Image display apparatus and control method therefor
Contents
1. shows a display screen example when the user designated selected a thumbnail of an image in the figure a thumbnail in an upper left position As a method of designation selection a selection subject may be changed by operating upward downward leftward rightward keys provided on the console 102 Further it may be arranged such that a status where a cursor interlocked with a pointing device such as a mouse is positioned on the corresponding thumbnail or on an icon on the thumbnail is regarded as a designated selected status In any case when a thumbnail Image 1 is designated detailed information 700 ofthe positioning infor mation portion of the image corresponding to the designated thumbnail is displayed As the detailed information 700 in the case of FIG 7A in addition to the position information obtained from a GPS satellite signal information on position ing using GPS such as the number of satellites upon acqui sition of the position information and positioning reliability are displayed The number of satellites and the positioning reliability are recorded as a part of Exif 2 3 standard tag information 0057 Note that the display ofthe detailed information 700 is made not with the designation of thumbnail as a trigger but with detection of GPS icon on the thumbnail or detection of a pointer such as a mouse cursor on the GPS icon as a trigger In such case it is possible to select the image data itself by clicking2. Note that the screen in FIG 12 in the second embodiment may be displayed as one of the screens in FIGS 4A to 4C Further the map display button 1201 may be displayed not in the screen in FIG 12 but in the display screen in FIG 4C and FIG 10 0088 As described above the respective embodiments of the present invention have been described however the present invention is not limited to an application executed on a PC The present invention is applicable to any apparatus as long as it stores and manages image files and displays them For example the invention may be realized with a digital camera or a cellular phone 0089 Further in the above described embodiment upon display of image files in list form thumbnails of the respec tive image files are displayed and icons indicating presence absence of positioning information and the type of position ing method are superimposed However the image files may be distinguished with a list of file names and character colors ortype icons and file names may be displayed Note that since it is desirable for the user to check images displayed in list form to some degree the superimposition of the icons on the thumbnails as described in the above embodiment is prefer able Other Embodiments 0090 Aspects ofthe present invention can also be realized by a computer of a system or apparatus or devices such as a CPU or MPU that reads out and executes a program recorded on a memory devic
3. ON THUMBNAIL IMAGE SECOND POSITIONING METHOD IN IMAGE DATA INDICATES MANUAL DISPLAY SMALL MANUAL OPERATION ICON ON THUMBNAIL IMAGE SECOND POSITIONING METHOD IN IMAGE DATA INDICATES CELLID DISPLAY SMALL CELLID ON THUMBNAIL IMAGE RETURN 650 Patent Application Publication Nov 20 2014 Sheet 11 of 11 US 2014 0344758 A1 FIG 12 ST OF IMAGES Image 1 FIG WE 2 Z Z 7 I AC WE F ALL an 1302 US 2014 0344758 A1 IMAGE DISPLAY APPARATUS AND CONTROL METHOD THEREFOR TECHNICAL FIELD 0001 The present invention relates to an apparatus which displays a list of images and its control method BACKGROUND ART 0002 Recently some digital cameras and mobile termi nals with a built in camera are capable of recording position information as attribute information of image data obtained by image sensing Further some personal computer PC applications display image data where the above described position information is recorded distinctively from image data where position information is not recorded For example Japanese Patent Laid Open No 2007 323543 discloses a technique of displaying an icon which indicates whether or not position information is recorded as attribute information ofimage data to be described so as to distinguish such image data where position information is recorded from image d
4. Otherwise it may be arranged such that when the user inputs an instruction from the console 102 the image display application is started In any case upon start of the image display application the CPU 103 reads the image display application program from the secondary storage device 105 to the primary storage device 104 and the CPU 103 executes the program 0045 First atstep S101 the CPU 103 analyzes image files stored in a designated folder in the secondary storage device 105 and displays thumbnails of the image files in list form as shown in FIG 4A on the display 101 At this time the posi tion related icons are not superposed on the thumbnail images 0046 At step S502 the CPU 103 determines whether or not the display selection button 401 has been operated and when it determines that the operation of the display selection button has not been performed waits until the operation is performed When the operation ofthe display selection button 401 is detected the CPU 103 proceeds with the processing to step 5503 At step 503 the CPU 103 analyzes the image data files to be displayed and regarding each of the image data files determines whether or not the positioning information portion is recorded in the image data file When the CPU 103 determines that the positioning information portion is described the CPU 103 proceeds with the processing to step S504 while it determines that the positioning information portion is not de
5. TIME 20110615 18 56 Image 11 US 2014 0344758 A1 Patent Application Publication Nov 20 2014 Sheet 8 of 11 FIG 9 ss I 10 FIG NN AV A Image 7 Image 12 1000 Patent Application Publication Nov 20 2014 Sheet 9 of 11 US 2014 0344758 A1 S601 FIG 11A NO POSITIONING METHOD RECORDED IN IMAGE DATA YES S602 FIRST POSITIONING METHOD IN IMAGE DATA INDICATES GPS SATELLITE YES S606 NO DISPLAY GPS ICON S603 ON THUMBNAIL IMAGE FIRST POSITIONING YES METHOD IN IMAGE DATA INDICATES RADIO COMMUNICATION S607 NO DISPLAY WIRELESS LAN ICON S604 ON THUMBNAIL IMAGE FIRST POSITIONING METHOD IN IMAGE DATA INDICATES MANUAL POSITIONING YES 5608 DISPLAY MANUAL OPERATION ICON ON THUMBNAIL IMAGE POSITIONING METHOD IN IMAGE DATA INDICATES CELLID DISPLAY CELLID NO ON THUMBNAIL IMAGE DISPLAY PIN ICON ON THUMBNAIL IMAGE S610 Patent Application Publication Nov 20 2014 Sheet 10 of 11 US 2014 0344758 A1 S611 FIG 11B NO SECOND POSITIONING METHOD EXISTS YES 5612 SECOND POSITIONING METHOD IN IMAGE DATA INDICATES GPS SATELLITE YES S616 DISPLAY NO SMALL GPS ICON S613 ON THUMBNAIL IMAGE SECOND POSITIONING METHOD IN IMAGE DATA INDICATES WIRELESS LAN YES 617 DISPLAY SMALL WIRELESS LAN ICON
6. and small icon indicating a low level contribution positioning method are displayed 0064 The above description has been made with the GPS icon as an example however a similar editing menu is dis played upon right click ofthe wireless LAN icon the manual operation icon and the pin icon Further in a status where Nov 20 2014 information of some icon is copied when right click is per formed on image data with no icon display only the item is displayed as an editing menu When the icon add is selected the detailed information such as the spot informa tion and the positioning method information is added to the right clicked image data It is not necessary to add all the detailed information For example only the positioning method information may be added 0065 As described above in the present embodiment by referring to the positioning method information described as attribute information of image data indicating not only exist ence absence of positioning information of the image but the type of the positioning method is superimposed on a thumb nail image With this arrangement it is possible for the user to easily check the positioning method used upon acquisition of spot information of the image data 0066 Note that in the present embodiment every time the display selection button 401 is operated the display format is looped FIG 4A gt FIG 4B gt FIG 4C gt FIG 4A How ever it may b
7. ES S508 SUPERIMPOSE DISPLAY ICON CORRESPONDING TO POSITIONING METHOD 4 S509 NO ALL DATA PROCESSED YES END Patent Application Publication Nov 20 2014 Sheet 5 of 11 US 2014 0344758 A1 START 5601 FIG 6 NO POSITIONING METHOD RECORDED IN IMAGE DATA YES S602 FIRST POSITIONING METHOD IN IMAGE DATA INDICATES GPS SATELLITE YES S606 DISPLAY GPS ICON ON THUMBNAIL IMAGE FIRST POSITIONING METHOD IN IMAGE DATA INDICATES RADIO COMMUNICATION DISPLAY WIRELESS LAN ICON ON THUMBNAIL IMAGE POSITIONING METHOD IN IMAGE DATA INDICATES MANUAL POSITIONING DISPLAY MANUAL OPERATION ICON ON THUMBNAIL IMAGE DISPLAY CELLID ON THUMBNAIL IMAGE DISPLAY PIN ICON ON THUMBNAIL IMAGE RETURN S650 POSITIONING METHOD IN IMAGE DATA INDICATES CELLID Patent Application Publication Nov 20 2014 Sheet 6 of 11 US 2014 0344758 A1 FIG 7A 700 2 772 VI E 2 5 77 LATITUDE 123 45 67 890 Imag 7 2 LONGITUDE 184 58 789 77 7 NUMBER OF GPS SATELLITES 3 POSTON RELIABILITY 2D up SS SS NSE NT Z Z Z Z Z N LATITUDE 123 45 67 890 LONGITUDE 12 34 56 789 2 BASE STATION MACAddress 12 34 56 78 90 12 34 56 701 Patent Application Publication Nov 20 2014 Sheet 7 of 11 US 2014 0344758 A1 FIG 8A ZEBE 2 LATITUDE 123 45 67 890 ZA LONGITUDE 12 34 56 789 RECORDING DATE AND
8. In the present embodiment a file format in conformity with Exif standard is employed 0028 Image data 201 is stored and managed in the sec ondary storage 205 as a file When the image processing apparatus 100 processes the image data 201 the image data 201 is temporarily copied in the primary storage 204 in some cases Image header portion 202 holds information attached to the image data For example the attached information includes date and time of image sensing a shutter speed f number ISO film speed and the like A positioning informa tion portion 203 exists as a portion of the image header portion 202 The positioning information portion 203 holds GPS related information handled in the present embodiment An image data portion 204 holds an image data main body 0029 Note that the image header portion 202 and the positioning information portion 203 are not necessarily lim itedto the Exif format For example the image header portion 202 and the positioning information portion 203 may be recorded in other file than the image data or may be recorded in a database of the image processing apparatus 100 0030 FIG 3 shows an example of information held in the positioning information portion 203 North south latitude information 15 latitude information having a value indicating north latitude or south latitude Latitude information indi cates a latitude East west longitude information is longitude information having a value indicati
9. PTION OF DRAWINGS 0009 The accompanying drawings which are incorpo rated in and constitute a part of the specification illustrate embodiments and together with the description serve to explain the principles of the invention 0010 FIG 1 is a block diagram showing an image pro cessing apparatus according to an embodiment 0011 FIG 2 illustrates a data structure of an image file 0012 FIG 3 illustrates a data structure of position infor mation portion 0013 FIGS 4A to 4C are display examples of images in list form in the first embodiment 0014 FIG 5 is a flowchart showing a processing proce dure in the first embodiment 0015 FIG 6 is a flowchart showing the details of step S508 in FIG 5 0016 FIGS 7 and 7B are display examples of details of position information in balloon form 0017 FIGS 8A and 8B are other display examples of details of position information in balloon form 0018 FIG 9 is a display example of an editing menu for position information 0019 FIG 10 is a display example of images in list form in a second embodiment 0020 FIGS 11A and 11B are flowcharts showing the details of step S508 in FIG 5 in the second embodiment 0021 FIG 12 is a display example of images in list form in a third embodiment and 0022 FIG 13 is a display example of a map in the third embodiment DESCRIPTION OF EMBODIMENTS 0023 Hereinbelow embodiments of the present invention will be de
10. US 20140344758A1 a2 Patent Application Publication Pub US 2014 0344758 1 as United States Kozakura 43 Pub Date Nov 20 2014 54 IMAGE DISPLAY APPARATUS AND 52 U S CONTROL METHOD THEREFOR CPG s GO6F 3 04817 2013 01 G06F 3 04845 2013 01 G06F 3 04842 2013 01 CU Applicant CANON KABUSHIKI KAISHA 715 835 Tokyo JP 72 Inventor Kozue Kozakura Tokyo JP 57 ABSTRACT 21 Appl No 14 372 249 22 PCT Filed Jan 9 2013 86 PCT PCT JP2013 050706 8371 c l 2 4 Date Jul 15 2014 30 Foreign Application Priority Data Jan 23 2012 JP iiie 2012 011507 Publication Classification 51 Int CI G06F 3 0481 2006 01 G0GF 3 0484 2006 01 An image display control apparatus enables determination as to whether or not an image file includes position information and further facilitates checking of positioning method of the position information Accordingly in the apparatus position ing information in the image file is analyzed and it is deter mined whether or not a positioning method indicating a posi tioning method for the position information is described Further when it is determined that the positioning method is described the type of the positioning method is determined Then an icon for discrimination of the presence absence of positioning method and type of the positioning method is superimposed on a thumbnail of an image indicated with a corre
11. at the console 102 may have buttons levers a touch panel and the like The CPU 103 performs various calculations controls respective constituent elements ofthe image processing appa ratus 100 and performs processing related to display control for display in list form based on image file analysis and its result of analysis Further the CPU 103 performs processing for communication control The primary storage device 104 is used for storage of temporary data programs executed with the CPU 103 and is used as a work area The primary storage device 104 is typically a RAM The secondary storage device 105 which is used for storage of an operating system OS to control the image processing apparatus 100 various applica tion programs various files including image files and the like The secondary storage device 105 is typically a hard disk a nonvolatile semiconductor memory or the like The communication unit 106 is a wireless LAN interface for com munication with an external device It may be any type of apparatus such as a cable LAN interface a USB interface and the like as long as it communicates with the external device It is possible to receive image files from an external device for example a digital camera and a cellular phone via the communication unit 106 and manage the stored image files Position Information 0027 FIG 2 shows the data structure of an image file stored and managed in the image processing apparatus 100
12. ata where position information is not recorded 0003 However in the above described conventional tech nique while it is possible to know whether or not position information is recorded in image data it is not possible to determine the positioning method used to acquire the position information 0004 There area plurality of types of positioning methods to obtain position information For example in the case of a digital camera having a GPS Global Positioning System receiver under a condition where a signal can be received from a GPS satellite position information obtained based on the signal is recorded as attribute information of image data Further in the case of a digital camera or mobile terminal having a wireless LAN position information obtained from the nearest radio base station can be recorded in image data In addition arbitrary position information may be recorded by manual operation with a console in image data where no position information is recorded There is a probability of erroneous input due to manual operation As described above plural sets of position information exist in view of accuracy and credibility To check the accuracy and credibility of the position information it is insufficient to merely determine presence absence of position information SUMMARY OF INVENTION 0005 The present invention has been made to solve the above problem For example this disclosure provides an image display appara
13. ating a positioning method for the position exists and a display control unit configured to upon display ofthe list of image files stored in said storage unit in accordance with the result of determination by said determination unit display an image file including the position infor mation in a appearance distinguishable from an image file not including the position information while dis playing a type of the positioning method indicated with said positioning method information in the image file including the position information in a distinguishable appearance 2 The image display control apparatus according to claim 1 wherein said display control unit displays regarding the image file not including said position information a thumb nail ofan image represented with the image file while regard ing the image file including said position information super imposes an icon corresponding to the type of the positioning method indicated with said positioning method information on a thumbnail of an image represented with the image file 3 The image display control apparatus according to claim 2 wherein when said determination unit determines an image file including first positioning method information and sec ond positioning method information as said positioning method information said display control unit superimposes an icon having a first size corresponding to the type of the positioning method indicated with said first positi
14. ation is not GPS it proceeds with the pro cessing to step S613 0073 At step S613 the CPU 103 determines whether or not the second positioning method information of the image file of interest is WLAN When the CPU 103 determines that the second positioning method information is WLAN it proceeds with the process to step S617 At step S617 the wireless LAN icon is superimposed in a size smaller than that of the already displayed icon adjacent to the already dis played icon Then the CPU 103 returns through step S650 to the main processing Further when the CPU 103 determines at step S613 that the second positioning method information is not WLAN it proceeds with the process to step S614 0074 At step S614 the CPU 103 determines whether or not the second positioning method information of the image file of interest is MANUAL When the CPU 103 determines that the second positioning method information of the image file of interest is MANUAL it proceeds with the process to step S618 At step S618 the manual operation icon is super imposed in a size smaller than the already display icon adjacent to the already displayed icon Then the CPU 103 returns through step S650 to the main processing Further when the CPU 103 determines at step S614 that the second positioning method information ofthe image file of interest is not MANUAL it proceeds with the process to step S615 0075 At step S615 th
15. atus 0039 In FIG 4A image data Image 1 to Image 12 stored in the secondary storage 205 are displayed in list form These images are obtained from e g a digital camera or a cellular phone Further the images may be downloaded from a server or the like on a network Further thumbnails of image data in place of image data themselves may be used 0040 A display selection button 401 is used for selecting display of information related to position information When the display selection button 401 in the status shown in FIG 4A is designated by click operation or the like via the console 102 the screen changes to a screen shown in FIG 4B 0041 As shown in FIG 4B regarding image data to which position information is added a pin shaped icon herein below pin icon is superimposed on the thumbnail of the image That is the pin icon is displayed with respect to an image file having position information portion In this screen example latitude and longitude information are described as positioning information with respect to the Images 1 3 4 6 7 8 10 and 11 Note that the pin icon is not necessarily superimposed completely on the thumbnail It may be arranged such that a part of the pin icon is superposed or the pin icon is not superimposed on the thumbnail of the image data but displayed in the vicinity of the thumbnail as long as it is possible to distinguish image files having positioning information from images withou
16. cal to those in the flowchart of FIG 6 Accordingly these steps have the same reference numerals and hereinbelow processing at step S611 and the subsequent steps will be described 0070 Note that in the processing up to step S610 the icon of the initial positioning method is already superimposed on the thumbnail image 0071 At step S611 the CPU 103 analyzes the positioning information portion of the image file of interest and deter mines whether or not the second positioning method is recorded When the CPU 103 determines as a result of deter mination that the second positioning method is recorded it proceeds with the processing to step S612 On the other hand when the CPU 103 determines that the second positioning method is not recorded then at step S650 it returns to step S509 in the flowchart of FIG 5 0072 At step S612 the CPU 103 determines whether or not the second positioning method information of the image US 2014 0344758 A1 file of interest is GPS When the CPU 103 determines that the second positioning method information is GPS it pro ceeds with the processing to step S616 At step S616 the GPS icon in a size smaller than the first positioning method icon is superimposed adjacent to the first positioning method icon Then the CPU 103 proceeds with the processing to step S650 and returns to the main processing Further when the CPU 103 determines at step S612 that the second positioning method inform
17. d rightward 0084 Further when the user operates the mouse to move the cursor to a desired pin position and clicks on the position the CPU 103 scrolls screen such that the thumbnail of an image corresponding to the pin is positioned within the image display region 1302 Further the CPU 103 displays the thumbnail with a bold frame the color of the frame may be changed to be distinguished from other thumbnails 0085 Asa result of the above arrangement it is also pos sible to check an image obtained by image sensing in the position of image sensing by designating the pin icon on the map 0086 Further one of specific displays in the screen shown in FIG 13 is icon display in the list display region In FIG 12 the pin icons are uniformly displayed while in FIG 13 icons US 2014 0344758 A1 corresponding to the positioning methods of the respective image data the GPS icon the wireless LAN icon the cell icon and the pin icon are displayed In the map display status as the user is interested in position information the more detailed information regarding the position information is necessary 0087 As described above in the third embodiment as to whether or not the screen is for map display i e whether or not the screen is for utilization of position information the form of icon related to position information is changed With this arrangement it is possible for the user to more easily check the necessary information
18. d with respect to image data having latitude and longitude information regard less of positioning method information With respect to an image file without latitude and longitude information the pin icon is not displayed Further the image list screen has a map display button 1201 0082 When the map display button 1201 is clicked with a mouse or the like the CPU 103 determines a rectangular range of a map to be displayed as a default from a mean position of the latitudes and longitudes of all the pin icon superimposed image files latitude mean value and longitude mean value and latitude maximum and minimum values and longitude maximum and minimum values Then the CPU 103 obtains a map image from the map database enlarges reduces it to be displayed in the display region and displays the pin icon in the position of each image data file indicated with latitude and longitude 0083 FIG 13 shows a display screen example of the pin icons displayed on the above described map This screen is briefly formed with a map region to display a map image and a list display region 1302 to display scrollable list of thumb nail images in a vertical direction When the list display button 1301 is clicked the CPU 103 performs processing to return the map display status in the figure to the list display as shown in FIG 12 A slider bar 1303 is used for control of map scale direction key group 1304 is used for scroll ofthe map upward downward leftwar
19. e CPU 103 determines whether or not the second positioning method information of the image file of interest is CELLID When the CPU determines that the second positioning method information of the image file of interest is CELLID it proceeds with the process to step 619 At step S619 the cell icon is superimposed in a size smaller than the already display icon adjacent to the already displayed icon Then the CPU 103 returns through step S650 to the main processing 0076 Then when the CPU 103 determines at step S616 that the second positioning method information of the image file of interest is not it returns through step S650 to the main processing Note that when the determination result at step S615 is No it can be considered that some unknown data or unknown positioning information is described as the second positioning method information In this case as the spot information itself is described it may be arranged such that the pin icon is continuously displayed or an icon indicating known positioning information is superim posed 0077 The processing of displaying an icon in accordance with positioning method on a thumbnail image of each image data in the second embodiment is as described above 0078 Note that the display screen in FIG 10 in the second embodiment has been described as an example in place of FIG 4C however it may be arranged such that in the screen shown in FIG 4C when t
20. e arranged such that one of the display types is directly designated from the display menu and the display is made in accordance with the designated display type Accord ingly the present invention is not limited to the above example Second Embodiment 0067 In the above described first embodiment an icon indicating the type of positioning information is superim posed on a thumbnail based on the first positioning method information described as the attribute information of an image file In the second embodiment when the second posi tioning method information exists it is displayed too 0068 FIG 10 shows a display example of images in list form in the second embodiment In FIG 10 an image file positioned at an upper left corner is subjected to positioning using two positioning methods GPS and WLAN The first positioning method GPS is a first sized icon and the second positioning method WLAN is a second sized icon smaller than the first size and they are superposed on the thumbnail reduce a region of the thumbnail image hidden with the icons the second positioning method icon is smaller 0069 When the display screen in FIG 10 is a display example in place ofthat shown in FIG 4C in the first embodi ment at step S508 in FIG 5 the CPU 103 performs process ing in accordance with the flowcharts of FIGS 11A and 11B Note that steps S601 to S610 and step S650 in the flowcharts of FIGS 11A and 11B are identi
21. e to perform the functions of the above described embodiments and by a method the steps of which are performed by a computer of a system or apparatus by for example reading out and executing a program recorded on a memory device to perform the functions of the above de scribed embodiments For this purpose the program is pro vided to the computer for example via a network or from a recording medium of various types serving as the memory device e g computer readable medium 0091 While the present invention has been described with reference to exemplary embodiments it is to be understood that the invention is not limited to the disclosed exemplary embodiments The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions 0092 This application claims the benefit of Japanese Patent Application No 2012 011507 filed Jan 23 2012 which is hereby incorporated by reference herein in its entirety 1 An image display control apparatus which performs control to display a list of image files stored in a storage unit comprising a determination unit configured to analyze each image file stored in said storage unit and determine whether or not the image file includes position information indicating a Nov 20 2014 position and whether or not when the image file includes the position information positioning method information indic
22. eived from single or plural wireless LAN access points and the current position is estimated from the inten sities of the respective radio waves and the positions of the access points 0033 The third positioning method information is GPS of positioning method using information received from plural satellites The current position is calculated from the received information 0034 The fourth positioning method information is MANUAL generally indicating position information input ted by a user s manual operation The input of this value greatly depends on packaging For example when latitude and longitude are directly inputted or when latitude and lon gitude are inputted by the user s designation of a particular point on a map this value may be used 0035 Horizontal error information indicates a horizontal error of the spot information i e an error between the lati tude information and the longitude information The error is set in accordance with positioning conditions For example in the case of GPS system the error is estimated from a DOP value the number of GPS satellites from which radio wave have been received and the intensities of the radio waves 0036 Note that in the example of FIG 3 the current position is at 35 degrees 34 minutes 0 3 seconds north lati tude 139 degrees 40 minutes 49 5 seconds east longitude and 30 78 meters altitude The positioning method information indicates the GPS and the horizontal error i
23. ge file of interest Then the CPU 103 proceeds with the processing to step S650 then returns to the main processing FIG 5 0052 At step S603 the CPU 103 determines whether or not the first positioning method information of the image data is WLAN i e the first positioning method in the image data uses a wireless LAN When the CPU 103 determines at step S603 that the first positioning method is WLAN it proceeds with the processing to step S607 At step S607 a wireless LAN icon in place of the pin icon is superposed on the thumbnail ofthe image file of interest Then the CPU 103 proceeds with the processing to step S650 On the other hand when the CPU 103 determines at step S603 that the position ing method is not WLAN it proceeds with the processing to step S604 0053 At step S604 the CPU 103 determines whether or not the first positioning method information in the image data is MANUAL 1 the spot information in the image data is manually added When the CPU 103 determines at step S604 that the first positioning method information is MANUAL it proceeds with the processing to step S608 At step S608 the manual operation icon in place of the pin icon is superim posed on the thumbnail of the image file of interest and the process proceeds with the processing to step S650 Further when the CPU 103 determines at step S604 that the first positioning method information is not MANUAL it pro ceeds
24. he display selection button 401 is operated then the display screen in FIG 10 is displayed next Nov 20 2014 Third Embodiment 0079 Inathird embodiment it is possible to display a map on the PC side Note that as many parts of the third embodi ment correspond to those in the first embodiment the expla nations of the corresponding parts will be omitted and a part specific to the present embodiment will be mainly described Note that the secondary storage device 105 previously holds a map database to output a map image including a given position retrieved using the position as a key That is it is possible to designate a position indicated with latitude and longitude and retrieve the position and obtain map data in a designated scale from the database Note that since a tech nique of retrieval using a position from a map database typified by car navigation is well known the detailed description of the technique will be omitted 0080 FIG 12 is a display example of images in list form in the third embodiment In the screen shown in FIG 12 the list of image files is displayed along with their thumbnail images Image data which cannot be displayed within the screen can be displayed by scroll operation 0081 In the third embodiment with respect to an image file having at least latitude and longitude information the pin icon is superimposed on the thumbnail of the image file In this screen the pin icon is uniformly displaye
25. hese processes are repeated until it is determined at step S509 that all the display subjects have been processed 0049 The details of the processing at step 9508 in FIG 5 will be described below with reference to the flowchart of FIG 6 This processing corresponding to the processing at step S508 is performed when an image file of interest has a positioning information portion 0050 First at step S601 the CPU 103 analyzes the image file of interest and determines whether or not there is a description of a positioning method When the CPU 103 determines that a positioning method is recorded it proceeds with the processing to step S602 When the CPU 103 deter mines at step S601 that any positioning method is not recorded it proceeds with the processing to step S610 0051 At step S602 the CPU 103 refers to the positioning method information in the header information of the image file of interest and determines whether or not the first posi tioning method information described at first in the image data is GPS i e whether or not the positioning method uses a GPS When the CPU 103 determines that the first positioning method information is GPS it proceeds with the processing to step S606 When the CPU 103 determines that the first positioning method information is not GPS it proceeds with the processing to step S603 At step S605 the GPS icon in place of the pin icon is superimposed on a thumbnail of the ima
26. icates that the image data has spot information obtained by manual operation The pin icon is superposed on the Image 3 This indicates that the image data has no positioning method information Note that when the Nov 20 2014 positioning method information is CELLID an icon differ ent from any of the pin icon the GPS icon the wireless LAN icon and the manual operation icon hereinbelow cell icon is superimposed on the image data 0043 As described above in the screen shown in FIG 4C anicon corresponding to positioning method is superimposed on image data With this arrangement it is possible for the user to easily check the positioning method used in the posi tioning of each image data Note that in the display screen in FIG 4C when the display selection button 401 is clicked the screen changes to the screen in FIG 4A That is every time the display selection button 401 is clicked the above de scribed three display screens are sequentially displayed 0044 Hereinbelow a thumbnail list display processing in the image display application according to the first embodi ment ofthe present invention will be described in accordance with the flowchart of FIG 5 Note that it may be arranged such that when the apparatus communicates with an external device via the communication unit 106 and image data file is received the image display application is started in accor dance with the reception of the image data file
27. n the icon delete is selected it is possible to delete the detailed information such as the position information the number of GPS satellites and the positioning reliability and the positioning method recorded in the image data and it is possible to delete the icon from the display screen When the icon add is selected only when has been selected in the editing menu for the icon of another image data prior to the selection of the icon add the detailed information of the above described other image data as a copy original data and the positioning method are added to the copy destination image data Note that it is not necessary to add all the detailed information For example it may be arranged such that only the positioning method information is added 0063 Further the icon indicating the positioning method of the above described other image data as the copy original data is additionally displayed on the copy destination image data Note that the detailed information added to the copy destination image data is recorded in MakerNote as one ofthe Exif 2 3 tags The positioning method added to the copy destination image data is recorded in the first GPS Processing Method tag and the positioning method initially recorded in the copy destination image data is re recorded in the second tag Then the icon display is changed and as described above an icon indicating a high level contribution position ing method
28. ng an east longitude or west longitude Longitude information indicates a longitude Altitude information indicates an altitude In the present embodiment the above described north south latitude infor mation latitude information east west longitude informa Nov 20 2014 tion longitude information and altitude information will be generally referred to as spot information Further positioning method information indicates a positioning method used in the positioning of the spot Note that all the devices do not have a function of describing positioning method informa tion Some devices describe only spot information in image data 0031 The positioning method information in the present embodiment may have four types of values The first posi tioning method information is CELLID of positioning method using cellular phone base station information To obtain a current position from the cellular phone base station the following various methods are available For example the position of a base station communicating with a cellular phone is obtained as the current position ofthe cellular phone Otherwise the current position is estimated from the differ ence among arrival time of radio waves from plural base stations and the positions of the respective base stations 0032 The second positioning method information is WLAN of positioning method using wireless LAN The acquisition of current position is made as follows Radio waves are rec
29. oning method information and an icon having a second size smaller than said firs size corresponding to the type ofthe positioning method indicated with said second positioning method infor mation on said thumbnail of the image represented with the determined image file 4 The image display control apparatus according to claim 1 further comprising a designation unit configured to designate one ofthe image files displayed in list form by said display control unit and a position information display unit configured to when the image file designated by the designation unit includes the position information display detailed information of said position information in a balloon form 5 The image display control apparatus according to claim 1 further comprising a designation unit configured to designate one ofthe image files displayed in list form by said display control unit a menu display unit configured to when the image file designated by said designation unit includes the position information and a predetermined operation is per formed display an editing menu including a plurality of editing items for said position information and an editing unit configured to when one of said displayed editing items is designated perform editing processing corresponding to said designated editing item with respect to the position information of said image file 6 The image display control apparatus according to claim 2 further compri
30. other part than the GPS icon This arrangement is similarly applicable to the other icons 0058 FIG 7B shows an example where the designated thumbnail has the wireless LAN icon In the example of FIG 7B detailed information 701 of the positioning information portion of Image 8 is displayed As the detailed information 701 in addition to the latitude and longitude information on positioning using a wireless LAN such as an address of a wireless LAN access point is displayed 0059 FIG 8A shows a display screen when the designated thumbnail has the manual operation icon In the example of FIG 8A detailed information 800 of the positioning infor mation portion of the image file Image 7 is displayed As the detailed information 800 in addition to the latitude and longitude time at which the position information has been added to the image data is displayed US 2014 0344758 A1 0060 FIG 8B shows a display screen when the designated thumbnail has the pin icon In the example of FIG 8B detailed information 801 of the positioning information por tion of the image file Image 3 is displayed In the pin icon indicating that there is no positioning method information latitude information and longitude information are displayed 0061 Note that in the screen shown in FIG 4B all the icons are pin icons In this screen when a thumbnail is selected latitude and longitude are displayed as in the case of FIG 8B regardles
31. p of upon display ofthe list of image files stored in said storage unit in accordance with the result of determination at said determination step dis playing an image file including the position information in a appearance distinguishable from an image file not including the position information while displaying a type ofthe positioning method indicated with said posi tioning method information in the image file including the position information in a distinguishable appear ance in by display control step 8 A non transitory computer readable storage medium storing a computer program read and execute by a computer to cause the computer to perform the steps of the method according to claim 7
32. s 12 meters 0037 Note that some of recent cellular phones with a built in camera perform so called hybrid type positioning of obtaining spot information with higher accuracy by com bined plural positioning methods In the present embodiment in this case all the utilized positioning methods are added to the positioning method information That is when position ing information is determined based on GPS and information on the wireless LAN access points the positioning method information is GPS WLAN Note that in the present embodiment the positioning methods are described in the order of contribution upon determination of positioning information The level of contribution 15 calculated based on error amount and the reliability of predetermined positioning method itself In the above described example of the GPS WLAN the GPS positioning method has higher level of contribution in comparison with the positioning method US 2014 0344758 A1 using cellular phone wireless LAN In the present embodi ment the first positioning method information and the second positioning method information are described however it may be arranged such that three or more positioning method information are described Screen Display 0038 Next an image data display method in the present embodiment will be described FIG 4A shows an example of a screen displayed on the display 101 when an image display application is started on the present appar
33. s of positioning method and positioning method specific information is not displayed This arrange mentis based on the supposition that the user pays attention to the position information itself in the screen of FIG 4B while the user pays attention to the positioning method in the screen of FIG 4C Further even when a thumbnail having a pin icon is selected for the purpose of displaying information in detail as much as possible information corresponding to the posi tioning method may be displayed 0062 FIG 9 is a display for editing an icon For example the CPU 103 displays an editing menu 900 having plural editing items in accordance with predetermined operation of e g moving the cursor on a GPS icon and right button click of the mouse The editing menu 900 has three editing items add and delete prepared so as to edit detailed information of the GPS icon and positioning method infor mation When any one of the editing item is designated the CPU 103 performs editing processing in accordance with the designated editing item For example when the item is selected it is possible to copy the detailed information such as the spot information the number of GPS satellites and the positioning reliability recorded in the image data ofthe right clicked GPS icon and the positioning method recorded in the image data in the temporary storage memory generally referred to as a clip board Whe
34. scribed the CPU proceeds with the process ing to step S505 At step S504 a thumbnail of image data on which the pin icon is superposed is displayed On the other hand regarding an image data file without positioning infor mation portion this processing is not performed These pro cesses are repeated until it is determined at step S505 that all the display subjects have been processed When the processes at steps S503 to S505 have been performed the screen changes to that as shown in FIG 4B 0047 At step S506 the CPU 103 waits until the display selection button 401 is operated When the operation of the display selection button 401 is detected the CPU 103 pro ceeds with the processing to step 9507 At step S507 the CPU 103 determines whether or not the positioning information portion is recorded in the image data file to be displayed When the CPU 103 determines that the positioning informa tion portion is recorded the CPU 103 proceeds with the US 2014 0344758 A1 processing to step S508 while it determines that the position ing information portion is not recorded proceeds with the processing to step S509 0048 At step S508 the CPU 103 superimposes an icon corresponding to the positioning method of the described positioning information portion and displays the thumbnail image The method of display will be described later This processing is not performed on an image file where no posi tioning information is recorded T
35. scribed in detail in accordance with the attached drawings 0024 Note that as an apparatus according to the embodi ments ofthe present invention a general purpose image pro cessing apparatus such as a personal computer hereinbelow PC will be used However since the present invention is applicable to any apparatus as long as it performs control to display a list of 1mage files such as a digital camera a cellular phone a so called tablet terminal anda car navigation system the present invention is not limited to the type of apparatus First Embodiment 0025 FIG 1 is a block diagram showing the configuration ofaPC which functions as an image processing apparatus 100 according to a first embodiment 0026 The image processing apparatus 100 has a display 101 a console 102 a CPU 103 a primary storage device 104 a secondary storage device 105 and a communication unit 106 The display 101 which is e g a liquid crystal display US 2014 0344758 A1 displays data such as characters and images and a so called graphical user interface such as a menu Note that the display 101 may be incorporated in the image processing apparatus 100 or may be separately provided That is the image pro cessing apparatus 100 may be any type of apparatus as long as it has at least an interface for connection with the display and controls the display The console 102 having a keyboard a mouse and the like receives a user s operation Note th
36. sing amap database to output a map image including a position indicated with a given position information in accor dance with the position information a display device having a list display region to display thumbnails of a plurality of image files in a scrollable form and a map region to display a map image and US 2014 0344758 A1 a map display unit configured to calculate a mean position from image files having the position information among the image files stored in said storage unit and obtain a map image using the mean position as a key from said map database and display said map image in said map region wherein said display control unit displays the thumbnails of the respective image files in said list display region and further regarding an image file having the position information displays a predetermined icon in a position indicated with said position information in said map image 7 A control method for an image display control apparatus which displays a list of image files stored in a storage unit comprising a determination step of analyzing each image file stored in said storage unit and determining whether or not the image file includes position information indicating a position and whether or not when the image includes the Nov 20 2014 position information positioning method information indicating a positioning method for the position exists in said determination step and a display control ste
37. sponding image file DISPLAY SELECTION Patent Application Publication Nov 20 2014 Sheet 1 of 11 US 2014 0344758 A1 FIG 1 100 101 104 105 PRIMARY SECONDARY DISPLAY STORAGE DEVICE STORAGE DEVICE COMMUNICATION CONSOLE UNIT 102 106 Patent Application Publication Nov 20 2014 Sheet 2 of 11 US 2014 0344758 A1 FIG 2 IMAGE DATA FILE 201 IMAGE HEADER PORTION 203 POSITIONING INFORMATION PORTION IMAGE DATA PORTION FIG 3 POSITIONING INFORMATION SPOT INFORMATION NORTH SOUTH LATITUDE INFORMATION N LATITUDE INFORMATION 35 34 0 3 EAST WEST LONGITUDE INFORMATION E LONGITUDE INFORMATION 139 40 49 5 ALTITUDE INFORMATION 30 78 POSITIONING METHOD INFORMATION GPS HORIZONTAL ERROR INFORMATION 12 US 2014 0344758 A1 Nov 20 2014 Sheet 3 of 11 Patent Application Publication FIG 4A DISPLAY SELECTION 401 FIG T DISPLAY SELECTION KNX SS D Ho DISPLAY SELECTION SS FIG T Patent Application Publication Nov 20 2014 Sheet 4 of 11 US 2014 0344758 A1 FIG 5 DISPLAY LIST OF IMAGES NO POSITION RELATED ICON S502 SELECTION BUTTON OPERATED NO YES S503 POSITION INFORMATION RECORDED IN IMAGE DATA YES SUPERIMPOSE DISPLAY PIN ICON ON IMAGE DATA S505 ALL DATA PROCESSED YES SELECTION BUTTON OPERATED YES 5507 POSITION INFORMATION RECORDED IN IMAGE DATA NO Y
38. t positioning information Note that in this screen the pin icon is superimposed on image data where the latitude and longitude information are described regardless of positioning method information It is possible for the user to easily know image data having posi tion information by checking the screen 0042 Further in the status shown in FIG 4B when the display selection button 401 is designated by click operation or the like the screen changes to a screen shown in FIG 4C As shown in the screen in FIG 4C it is possible to discrimi nate a positioning method by replacing the pin icon with an icon corresponding to positioning method For example an icon indicating a satellite hereinbelow GPS icon is super posed on the Images 1 4 10 and 11 This means that the positioning method information indicates GPS i e the positioning method information indicates that the image data has spot information obtained by using GPS An icon indi cating a radio wave hereinbelow wireless LAN icon is superimposed on the Images 6 and 8 This means that the positioning method information is WLAN i e the posi tioning method information indicates that the image data has spot information obtained by using wireless LAN An icon indicating a hand hereinbelow manual operation icon is superimposed on the Image 7 This means that the positioning method information is MANUAL i e the positioning method information ind
39. tus having the structure as follows 0006 That is there is provided an image display control apparatus which performs control to display a list of image files stored in storage means comprising determination means for analyzing each image file stored in the storage means and determining whether or not the image file includes position information indicating a position and whether or not when the image file includes the position information positioning method information indicating a positioning method for the position exists and display con trol means for upon display of the list of image files stored in the storage means in accordance with the result of determi nation by the determination means displaying an image file including the position information in a appearance distin guishable from an image file not including the position infor mation while displaying a type of the positioning method Nov 20 2014 indicated with the positioning method information in the image file including the position information in a distin guishable appearance 0007 According to the disclosure itis possible to not only determine whether or not an image file includes position information but also easily check a positioning method of obtaining the position information 0008 Further features of the disclosure will become apparent from the following description of exemplary embodiments with reference to the attached drawings BRIEF DESCRI
40. with the processing to step S605 0054 At step S605 the CPU 103 determines whether or not the first positioning method information in the image file of interest is CELLID i e the spot information in the Nov 20 2014 image data has been added using a cellular phone base station When the CPU 103 determines that the first positioning method information 15 it proceeds with the pro cessing to step S609 At step S609 the CPU 103 superim poses a cell icon in place of the pin icon on the thumbnail of the image file of interest and proceeds with the processing to step S650 Further when the CPU 103 determines at step S604 that the first positioning method information is not CELLID it proceeds with the processing to step S610 0055 At step S610 the cell icon in place of the pin icon is superimposed on the thumbnail of the image file of interest Note that when it is determined at step S605 that the first positioning method information in the image file of interest is not CELLID it may be determined that the positioning information portion is recorded but an unknown positioning method is described In this case it may be arranged such that an icon indicating the unknown positioning method in place of the pin icon is superimposed on the thumbnail otherwise superimposed image is not displayed As a result ofthe above processing the screen shown in FIG 4C is displayed Icon Operation 0056 FIG
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