MV Tool user`s guide
Contents
1. 8 4 Divide Selecting this option divides the selected image into the image in the topmost child window The resulting image replaces the one in the topmost child window 8 5 And Selecting this option logically ANDs the selected image with the image in the topmost child window The resulting image replaces the one in the topmost child window 8 6 Or Selecting this option logically ORs the selected image with the image in the topmost child window The resulting image replaces the one in the topmost child window 8 7 Xor Selecting this option logically XORs the selected image with the image in the topmost child window The resulting image replaces the one in the topmost child window MV Tool User s Guide Rev 1 1 Page 31 of 46 RW Automation LLC 8 8 Max Each pixel of the selected image is compared to the corresponding pixel in the image in the topmost child window The greater of the two pixels values is chosen for the resulting image The resulting image replaces the one in the topmost child window 8 9 Min Each pixel of the selected image is compared to the corresponding pixel in the image in the topmost child window The lesser of the two pixels values is chosen for the resulting image The resulting image replaces the one in the topmost child window MV Tool User s Guide Rev 1 1 Page 32 of 46 RW Automation LLC 9 Fourier menu 2 D Fourier transforms can be performed on images They can be used to better2. m Interpolation type Nearest Neighbor Bilinear Cancel The user may select to scale the images independently in X and Y otherwise the X scale and Y scale edit boxes will maintain the same scaling factor and the resulting image will retain the aspect ratio of the original image Refer to the MV Lib user s guide for information regarding scaling factors and interpolation types When OK is pressed the image in the topmost child window is scaled per the parameters entered into the dialog box and the new scaled image replaces the original image in the child window MV Tool User s Guide Rev 1 1 Page 14 of 46 RW Automation LLC 6 2 Scale to fit Selecting this option makes the following dialog appear Scale image to fit This is similar to the scale option except the user can select the exact size in pixels that the image will be scaled to When OK is pressed the image in the topmost child window is scaled per the parameters entered into the dialog box and the new scaled image replaces the original image in the child window MV Tool User s Guide Rev 1 1 Page 15 of 46 RW Automation LLC 6 3 Subsample Selecting this option makes the following dialog appear Subsample image x T Independent X Y Scaling 2 X Skip 2 Y Skip Cancel This is an alternative form of scaling in which the image is scaled down in size by subsampling skipping pixels at the user select
3. Pro ainia 36 TOP iii a 37 10 5 Perspective plot iii tits 38 TI AA E aE elven tuiceseacede a E E EE 39 A a e A E E E E E a EE E as 39 11 2 Search normalized correlation cccecccscecseesseescessceeeceecesecesecaeceecesecsecsaecsaecsaecseecaeeeaeeeeeeeseeereeas 39 11 3 Search normalized correlation options ceccecseesseesceesceeeceeeesecaeceeecseecaeeeseeeseseeeeeeeeseeeeeeneeeerees 40 11 4 Localize Educa aiii 41 12 A O 42 DB ina 42 12 2 Water iaa 44 13 NR OS 45 A O A 45 E ET E E C A E A AA NN 45 13 3 Arrange O 45 ER E E E E R E E E E 45 t4 Help Meni mero e E AE A AE E ET O E O dee 46 TEMA MV Tool minei E E E E RE O E E A EE O texstenees 46 MV Tool User s Guide Rev 1 1 Page 3 of 46 RW Automation LLC 1 Legal Notices 1 1 Copyright All material presented in this user s manual is subject to the copyright laws of the United States of America Copyright O 2005 RW Automation LLC All rights reserved RW Automation LLC reserves the right to make changes and improvements to its products and to this document without notification 1 2 License agreement The software executables and files packaged with the MV Tool application are intended for use as is Any alteration of the software is strictly forbidden without written permission of RW Automation LLC Any bundling re packing or re distribution of any of the software files included in the original MV Tool distribution file is strictly forbid
4. understand the frequency content of an image 9 1 Forward transform Selecting this option will cause a forward Fourier transform to be run on the image in the topmost child window The Fourier transform of the image replaces the image in the child window As with all complex images only the real component is displayed in the child window 9 2 Inverse transform Selecting this option will cause an inverse Fourier transform to be run on the image in the topmost child window The Fourier transform of the image replaces the image in the child window As with all complex images only the real component is displayed in the child window 9 3 Magnitude This option will only work on complex images Selecting this option will cause the magnitude of each complex pixel to be computed for the image in the topmost child window The resulting image then replaces the one in the child image 9 4 Phase This option will only work on complex images Selecting this option will cause the phase of each complex pixel to be computed for the image in the topmost child window The resulting image then replaces the one in the child image MV Tool User s Guide Rev 1 1 Page 33 of 46 RW Automation LLC 10 Analysis menu This menu holds some basic image analysis options 10 1 Statistics When selected the image in the topmost child window is analyzed and its statistics are presented to the user in a dialog like the example shown below Imag
5. Tool User s Guide Rev 1 1 Page 40 of 46 RW Automation LLC 11 4 Localize fiducial Before selecting this option the user must first select a region of interest in the image that is to have a fiducial localized Once the region of interest has been selected the user can choose to localize the fiducial in X Y or Both by selecting the appropriate sub menu option Once selected a search for the fiducial is conducted on the image in the topmost child window The location of the fiducial is displayed on the image and the coordinates and normalized auto convolution scores are displayed in a dialog box like the example shown below Search Results xi X position 50 000000 X score 1 000000 Y position 50 000000 Y score 1 000000 MV Tool User s Guide Rev 1 1 Page 41 of 46 RW Automation LLC 12 Blob menu Binary and watershed segmentation blob finding algorithms can be run through this menu 12 1 Binary Selecting this option will allow the user to run a connectivity analysis on a binary image The user can set parameters to restrict the size and number of blobs found using the following dialog box Blob analysis MV Tool User s Guide Rev 1 1 Page 42 of 46 RW Automation LLC Once OK is pressed a connectivity analysis is run on the image in the topmost child window using the user specified parameters The result will be a dialog box similar to the one shown in the example below Blob an
6. is put into the profile state This state is displayed in the status bar When a user clicks on an image and drags the cursor over the image a line from the starting point to the current cursor point is drawn and updated real time as the cursor is moved Releasing the cursor causes all image pixels under the line to be gather and displayed in a separate window This user selected 1 D slice of the image is the profile see example below amp C Documents and Settings Admi_ a E Once the profile is complete MV Tool returns to the normal mode allowing rectangular regions of interest to be selected with the cursor MV Tool User s Guide Rev 1 1 Page 37 of 46 RW Automation LLC 10 5 Perspective plot Before selecting this option the user must select a region of interest in the desired image window Once this option is selected a new window is created and displays the pixels in the region of interest as a 3 D perspective plot An example is shown below amp C Documents and Settings Administrator D esktop Perspective plot of C At Ol x A SS S TPS SSS SRS EOS LISA RT i j hs Se OSCAR eae 0000 higar pi i eS Se i Y WN SY tA CA LA OS e re CA at ASA e e CA gt gt CS gt CA QA sy e Note regions of interest over 50x50 pixels are scaled to a maximum of 50 pixels in either dimension This perspective plot is itse
7. noise This menu item has three sub menu selections detailed in the sub sections below Refer to the MV Lib user s guide for details of how these noise generator algorithms operate 6 14 1 Salt and pepper noise Selecting this option makes the following dialog appear Probability of pepper black pixe 0 25 Probability of salt white pixel 0 25 Cancel The user must select the probability of white and dark pixels occurring When OK is pressed salt and pepper noise is added to the image in the topmost child window MV Tool User s Guide Rev 1 1 Page 22 of 46 RW Automation LLC 6 14 2 Uniform noise Selecting this option makes the corresponding dialog appear Add Uniform Noise The user must select the mean and standard deviation of the uniform noise function When OK is pressed uniform noise is added to the image in the topmost child window 6 14 2 Gaussian noise Selecting this option makes the corresponding dialog appear Add Gaussian Noise The user must select the mean and standard deviation of the Gaussian noise function When OK is pressed Gaussian noise is added to the image in the topmost child window MV Tool User s Guide Rev 1 1 Page 23 of 46 RW Automation LLC 7 Filter menu The options in this menu allow the user to perform filtering operations on images 7 1 Average Selecting this option makes the following dialog appear 2 X horizontal filter siz
8. users to import raw 8 bit images from other sources MV Tool User s Guide Rev 1 1 Page 8 of 46 RW Automation LLC 3 4 Close This will close the topmost child window 3 5 Save If the image path is already known this option will save the image to the known path overwriting the image that is already there if any If the path is not known the option is ignored 3 6 Save as A standard Save File dialog is presented to the user The user may select the file format see MV Lib user s guide by selecting an option from the save as type drop box Otherwise the file extension is used to determine if the image will be written in BMP GIF or MV format 3 7 Print This option will print the image in the topmost child window A standard Print dialog is presented to the user The content of this dialog will be dictated by the print driver s installed on the PC 3 8 Print setup A standard Print Setup dialog is presented to the user The content of this dialog will be dictated by the print driver s installed on the PC 3 9 Recent files The four most recently opened files are listed at the bottom of the menu Selecting one of these will open the image file if it still exists and will display the image in a new child window MV Tool User s Guide Rev 1 1 Page 9 of 46 RW Automation LLC 3 10 Exit Selecting this option will cause the MV Tool application to stop running and close MV Tool User s Guide
9. 2 50 max X Y 96 mins 71 85 maxx 78 This is the same dialog as used for connectivity analysis see section 12 1 except that some additional information specific to watershed analysis is displayed refer to MV Lib user s guide MV Tool User s Guide Rev 1 1 Page 44 of 46 RW Automation LLC 13 Window menu The Window menu contains four commonly used options for organizing and finding the child windows 13 1 Cascade Selecting this option causes the open child windows to be arranged in cascade order 13 2 Tile Selecting this option causes the open child windows to be arranged in tiled order 13 3 Arrange icons Selecting this option causes the minimized child windows to be arranged at the bottom of the main MV Tool window 13 4 Images displayed All child window titles image path names are displayed at the bottom of the menu with a check mark beside the topmost child window Selecting one of the listed images will select 1t and make it the topmost child window If the selected window is minimized it will be restored as it is brought to the front of the window order MV Tool User s Guide Rev 1 1 Page 45 of 46 RW Automation LLC 14 Help menu Currently the Help menu has one option detailed below 14 1 About MV Tool Selecting this option causes the following dialog to be displayed from which the user can determine the version of the MV Tool program Abou
10. RW Automation LLC MV Tool Machine Vision Library Demonstration Application USER S GUIDE Rev 1 1 October 2005 qb RW Automation LLC www rwautomation com MV Tool User s Guide Rev 1 1 Page of 46 RW Automation LLC Table of Contents 1 Lera NOUCES eid Sather ea otto ath eee O A Sete E es A Ns Tee SCOp yi Qt E daatos cts fed de oh oastan Lets E T E oe shlocstceted Lt slid Weshloak islets 1 2 License agreeme ii eta cust concussed dituse Canc ceca a ddudcssdiseee A ai 1 3 Tetmited swartanty O 1 4 Third party A 2 A sec eten de cin ie a E E e T e baud caseee ladies ieia 21 A PP AN 2 2 AAA eee 2 3 Rumning MV DA aia 3 File MO A eee O ON LY DP eee O ON BA COSE in EEE AR EA EO A A E E E ii BED SAV O E hg ses 3 6 SAVE A ERE A bec dees E E EAEE A AEN duds E A E I Prnt e O a SG AS ed cues nse Msc asa eee Ge 3 8 PLINES CLUP fee tees shoves ei oes ae es ala hess esis TN ee es ee AERE 3 9 Recent Mle ts ee ta Set ILMO XAG ii Ai ia AAA ess deieuces AN des ide cid 10 4 A A ION 11 A a oe 11 A O E No AN 11 AIN Paste to NEW A A A EE aed e e 11 LAS e a he cee ee 12 E A O E 12 5 View Ment 25 5 55 ON 13 DSL ROOM DAL O eee E Re en 13 S 2 Status aa ntete nou Read a A SOAR eA Gwe ei Ru OR en a ies 13 6 Transformmenus sis Ae Le eke coset wae A T e a E e Ra RGU AG AG Ra ARORA RES 14 OL Scale sche adi ea eA RAE elias RANG AeA ee ee GRE A a nents RA DA O 14 e ea da do 15 6 3 Subsamples nan a a a Maw A Gt ORR RA WA wean ath
11. Rev 1 1 Page 10 of 46 RW Automation LLC 4 Edit menu This menu is used to allow the user to do some simple editing operations on images 4 1 Copy Before using this option the user must first select the region of interest or the whole image of the topmost child window that is to be copied The copy option will copy the selected region of the image to the clipboard where it will be available to MV Tool and other applications Note regardless of the image type being copied the image copied to the clipboard will be an 8 bit monochrome image 4 2 Paste Before using this option the user must first select a region of interest or the whole image of the topmost child window in which the paste operation is to be applied The paste option will copy the image from the clipboard to the selected region If necessary the clipboard data will be converted to the image type of the paste region If the paste region is smaller than the clipboard image only the upper left part of the clipboard image is pasted into the region as much as will fit If the paste region is larger than the clipboard image the clipboard image is pasted into the top left corner of the paste region and the excess portion of the region is left as is 4 3 Paste to new This operation will create a new child window of the same size as the image in the clipboard The clipboard data is then pasted into the new image completely filling it MV Tool User s Gui
12. age in the topmost child window is binarized according to the threshold entered into the dialog box The new binary image replaces the original image in the child window If cancel is pressed the image returns to it original state MV Tool User s Guide Rev 1 1 Page 19 of 46 RW Automation LLC 6 12 Pixel map Selecting this option makes the following dialog appear Pixel map x fo Old Gray level fo New Gray level Cancel The user may manually enter old pixel new pixel data pairs via the edit boxes or by clicking on the map area the map will change real time as the cursor is moved across the map area of the dialog box When OK is pressed the image in the topmost child window is mapped according to the pixel map entered into the dialog box The newly mapped image replaces the original image in the child window If cancel is pressed the image returns to it original state MV Tool User s Guide Rev 1 1 Page 20 of 46 RW Automation LLC 6 13 Dither Selecting this option makes the following dialog appear The user selects the size of the dithered image and the type of dithering algorithm When OK is pressed these parameters are used along with the image in the topmost child window to create a dithered image The new binary dithered image is placed into its own child window The original image is left as is MV Tool User s Guide Rev 1 1 Page 21 of 46 RW Automation LLC 6 14 Add
13. alysis results BLOB 1 area 415 moat 55 24 z area 415 minx Y 24 55 masx Y 45 area 280 mins 24 0 maxx 45 area 280 minX 0 24 max X Y 13 area 258 min X Y 55 87 max X Y 76 area 258 mins 87 55 max X Y 99 area 170 min X Y 0 87 max X Y 13 area 170 minx Y 87 0 max X Y 99 In addition the blobs found are highlighted in the child window holding the image All blobs found are shown in red except the one selected in the above dialog box which is shown in green By selecting a blob in the list the user can see where the blob appears in the image The image itself is not changed MV Tool User s Guide Rev 1 1 Page 43 of 46 RW Automation LLC 12 2 Watershed Selecting this option will allow the user to run a watershed analysis on a 8 bit image The user can set parameters to restrict the size and number of blobs found using the same dialog box as used for connectivity analysis see section 12 1 Once OK is pressed a watershed analysis is run on the image in the topmost child window using the user specified parameters The result will be a dialog box similar to the one shown in the example below Blob analysis results BLOB 1 2 minx Y 20 20 max X Y 80 80 min Y 24 3 max X Y 39 mins 3 55 max X Y 11 minX 4 28 masx Y 10 minx 89 58 max X Y 97 mins 63 88 max X Y 72 minx 26 90 max X Y 35 minX 8 21 maxx 16 minx Y 9
14. de Rev 1 1 Page 11 of 46 RW Automation LLC 4 4 Select all This option will select the entire image of the topmost child window A green rectangle representing the selected region will appear in the child window 4 5 Convert MV Lib supports images of several different types resolutions Refer to the MV Lib user s manual for details of these image types This option allows the user to convert the topmost child window into a different image type MV Tool User s Guide Rev 1 1 Page 12 of 46 RW Automation LLC 5 View Menu This menu is used to control the toolbar and status display 5 1 Toolbar The dockable toolbar may be enabled or disabled using this menu option osla e el 2 The toolbar options mirror the menu options from left to right new open save cut not supported copy paste print help 5 2 Status The status display may be enabled or disabled using this menu option 5 a Ready PROFILE xY 54 36 Ue The status display at the bottom of the MV Tool window is used to display image coordinates and whether the user is in the region of interest selection mode or profile mode MV Tool User s Guide Rev 1 1 Page 13 of 46 RW Automation LLC 6 Transform menu Transforms are used to transform an image into another one 6 1 Scale Selecting this option makes the following dialog appear Scale image x m Scale factor Independent X Y Scaling f x Scale fi Y Scale
15. den without written permission of RW Automation LLC 1 3 Limited warranty RW AUTOMATION LLC MAKE NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE RW AUTOMATION LLC WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEROF 1 4 Third party trademarks Microsoft and Microsoft Windows are registered trademarks of Microsoft Corporation MV Tool User s Guide Rev 1 1 Page 4 of 46 RW Automation LLC 2 Introduction The MV Tool application was created to allow users to experience the features of the MV Lib machine vision library When reading this document it is helpful to refer to the MV Lib user s guide in order to understand the functionality presented in the MV Tool application UI 2 1 Features MV Tool allows the user to access the following features of MV Lib Several image types to allow processing of images over wide dynamic ranges Image creation copy paste load from disk save to disk Image graphics and image generation Image algebra Image transforms pixel mapping contrast manipulation geometric transforms Filters low pass high pass order statistic generic sliding window 2 D Fourier transforms Image morphology Normalized correlation search Fiducial localization Image segmentati
16. e 2 Y vertical filter size Cancel The user must enter the desired window size of the averaging filter Pressing OK will cause the image in the topmost child window to be filtered with the averaging filter of the specified size The original image is replaced with the filtered one MV Tool User s Guide Rev 1 1 Page 24 of 46 RW Automation LLC 7 2 Median Selecting this option makes the following dialog appear 2 X horizontal filter size 2 Y vertical filter size Cancel The user must enter the desired window size of the median filter Pressing OK will cause the image in the topmost child window to be filtered with the median filter of the specified size The original image is replaced with the filtered one MV Tool User s Guide Rev 1 1 Page 25 of 46 RW Automation LLC 7 3 Max Selecting this option makes the following dialog appear 2 X horizontal filter size 2 Y vertical filter size Cancel The user must enter the desired window size of the max filter Pressing OK will cause the image in the topmost child window to be filtered with the max filter of the specified size The original image is replaced with the filtered one MV Tool User s Guide Rev 1 1 Page 26 of 46 RW Automation LLC 7 4 Min Selecting this option makes the following dialog appear 2 X horizontal filter size 2 Y vertical filter size Cancel The user must enter the desired
17. e statistics Note the histogram is only displayed for binary and 8 bit images MV Tool User s Guide Rev 1 1 Page 34 of 46 RW Automation LLC 10 2 Scene angle The user may choose from unidirectional or bidirectional scene angle analysis In either case the image in the topmost child window is analyzed and a dialog like the one in the example below is displayed Scene angle x Bidirectional scene angle 0 122208 radians As well lines are overlaid onto the image in the child window in order to illustrate the scene angle found The image itself is left unchanged MV Tool User s Guide Rev 1 1 Page 35 of 46 RW Automation LLC 10 3 Projection Sub menus allow the user to choose from projection onto the X axis projection onto the Y axis or projection at an arbitrary angle In the case of projection onto an arbitrary angle the user must enter the angle in the following dialog Image projection x Projection angle C Degrees Radians fo ES Angle Cancel In any event once the type of projection is chosen the image in the topmost child window is projected onto the chosen axis The resulting projection is displayed in a separate window such as the one shown in the example below C Projection onto Y of C test bmp 32 bit image Of x MV Tool User s Guide Rev 1 1 Page 36 of 46 RW Automation LLC 10 4 Profile When the user selects the profile option MV Tool
18. eal time to display the region of the image selected by the user MV Tool User s Guide Rev 1 1 Page 6 of 46 RW Automation LLC 3 File menu This section describes the use of the options listed in the File menu 3 1 New When this option is selected the user is presented with the following dialog New image Xi 2 s ol s 2 ii s s fe 9 o 2 2 s o This dialog allows the user to generate an image using a variety of mathematical models Refer to the Image graphics section of the MV Lib user s guide for details on the types of images that can be generated Once OK is pressed an image will be generated using the chosen parameters and displayed in a new child window MV Tool User s Guide Rev 1 1 Page 7 of 46 RW Automation LLC 3 2 Duplicate A copy of the topmost selected image is made and is put into a new child window where it can be processed separately from the original image 3 3 Open A standard Open File dialog is presented to the user The user may select a single image file or multiple image files to open Each image file opened is put into its own child window within the MV Tool main window MV Tool will use the image I O functions of MV Lib to automatically determine the image file format BMP GIF or MV If MV Tool cannot determine the file format the user is presented with the following dialog Import raw binary image This dialog allows
19. ed rates When OK is pressed the image in the topmost child window is subsampled per the parameters entered into the dialog box and the new subsampled image replaces the original image in the child window MV Tool User s Guide Rev 1 1 Page 16 of 46 RW Automation LLC 6 4 Rotate Selecting this option makes the following dialog appear Rotate image x Rotation angle Degrees C Radians fo Angle Interpolation type Nearest Neighbor Bilinear Cancel This option allows the user to rotate an image about its center by the specified angle Refer to the MV Lib user s guide for information regarding image rotation When OK is pressed the image in the topmost child window is rotated per the parameters entered into the dialog box and the new rotated image replaces the original image in the child window 6 5 Transpose When this option is selected the image in the topmost child window is transposed and the new transposed image replaces the original image in the child window MV Tool User s Guide Rev 1 1 Page 17 of 46 RW Automation LLC 6 6 Mirror Selecting this option makes the following dialog appear Mirror image x Mirror about Y vertical axis Mirror about X horizontal axis Cancel When OK is pressed the image in the topmost child window is mirrored about the axis specified by the user The new mirrored image replaces the original image in t
20. ena S 16 O 4 ROE A e RR Ss 17 6 5 Frans pOse ii A Wa onan outa 17 0 6 MITON acc 8 oth a ie Hah di 18 O21 OOM LEI EE 5553 o E ctu ane tes 18 6 8 ENNER PATE EE O 19 6 9 a Lo Ee d iA E A AE A AE E E A E bilo selesteue ee ots tnct8 19 GO LOVING Caters ur ts cesado T E E E A 19 6 11 Binary threshold a e a a ae aa a Ta r E E A a EEEa a Eaa TEE aiee 19 A e A EE eee EET 20 VS STILL EEE EEE AEE EN E ATAT A E E E E T AN T 21 E A EE A ET 22 7 Filter oE a U ATE oa T ATS 24 TNA E e ed E E E E 24 TZ EE iT 1 EE PE E E AE A A 25 6 N E D E EEE E A eee A 26 O E E E 27 SS A O 28 7 6 User defined template noi ie 29 8 Algebra MA iaa 30 BVA NN 30 MV Tool User s Guide Rev 1 1 Page 2 of 46 RW Automation LLC 8 2 Subtr ctern snes eens RARER A ARMA AORN en hen RN Anes Aine ERR GH 31 3 Multiply scans enniira nian wad eae e tine Ganev aeheladn aman ne mana Gn 31 A he SG A A ae eatin ROR WAG A A Meyhiol AUR awe oe eh Reaan 31 AM ita ata To ia 31 NN 31 BED O Coolant EET 31 O Qe nee Re Ee eee eee 32 B29 MAI esses O e A TE ott tteat 32 9 A O E 33 9 1 Forward transform ccccesccesccseesseesceeseeeseeseceseceseeeseceseceaeceaecsaecaaecaeeeseeeseseneeeeseesseeneeenseceaeenaeeaeeaes 33 PAEAS Ae NAO ni ORTE EEEE asst iadacdbecean teed agegvbesgecceobiaiaesniebecgantestigites 33 A O TE A A A E 33 O O cit dt 33 TO Analysis Men idas oe ee tostado des ceda de de o do e O AE TS 34 A A tor E 40 O anette 34 10 2 SCene ia 35 10 3
21. he child window 6 7 Geometric Selecting this option makes the following dialog appear Geometric transform x kl rr e O E O O Cancel Refer to the MV Lib user s guides for details on geometric transforms The user may define a geometric transform by entering the desired parameters into the dialog box When OK is pressed the image in the topmost child window is transformed according to the parameters entered into the dialog box The new transformed image replaces the original image in the child window MV Tool User s Guide Rev 1 1 Page 18 of 46 RW Automation LLC 6 8 Linear stretch When this option is selected a linear contrast stretch is performed on the image in the topmost child window The new image replaces the original image in the child window 6 9 Equalize When this option is selected a histogram equalization is performed on the image in the topmost child window The new image replaces the original image in the child window 6 10 Negate When this option is selected a negation is performed on the image in the topmost child window The new image replaces the original image in the child window 6 11 Binary threshold Selecting this option makes the following dialog appear Binary threshold x 127 Cancel Threshold The user may adjust the threshold via the edit box or the slider and view the binary threshold results real time When OK is pressed the im
22. lf an image and may be saved and loaded just as any other image can be MV Tool User s Guide Rev 1 1 Page 38 of 46 RW Automation LLC 11 Search menu The search menu is used to allow users to access the normalized correlation search NCS and fiducial localization functionality of MV Lib 11 1 Train Before selecting this function the user must have already selected a region of interest within an image of no more the 256x256 pixels Once this option is selected a NCS model is trained and held internally 11 2 Search normalized correlation In order to use this option the user must first train a model by using the train option Once selected a search for the previously trained model is conducted on the image in the topmost child window The location of the target found is displayed on the image and the coordinates and normalized correlation score are displayed in a dialog box like the example shown below Search Results x x position 121 978768 Y position 8 992753 Score 1 000000 MV Tool User s Guide Rev 1 1 Page 39 of 46 RW Automation LLC 11 3 Search normalized correlation options By selecting this option the following dialog is presented to the user The parameters used to search for a model in an image can then be edited When OK is pressed the parameters are stored internally and are applied to all subsequent searches see section 11 2 Normalized correlation options x MV
23. on connectivity and watershed analysis Image projections Image statistics and scene angle finder 2 2 Installation The MV Tool application runs under Microsoft Windows 95 98 2000 XP operating systems It is distributed as a single self extracting setup executable file Simply run the setup file and follow the instructions The MV Tool application along with this document the MV Lib user s guide and an uninstall utility are all provided in the distribution file MV Tool User s Guide Rev 1 1 Page 5 of 46 RW Automation LLC 2 3 Running MV Tool When MV Tool is first started a reduced menu is available to the user as shown in the screen shot below This menu continues to be displayed until an image is loaded Each image will be displayed in a child window within the MV tool application amp MY Tool Of x File View Help Da fee 6 2 As shown in the screen shot below once any image is displayed the full menu is made available to the user With a few exceptions noted in later in this document the user options will operate on the image that is selected topmost child window MY Tool C Documents and Settings Administrator Desktop Untitled 8 bit Iof x File Edit View Transform Filter Algebra Fourier Analysis Search Blob window Help psal jaj al Regions of interest in an image may be selected by clicking the image and dragging the cursor over the image A green rectangle will be updated r
24. roducts gradient magnitude gradient orientation Once the filter size and operation have been selected the user must enter the filter coefficients into the coefficient edit boxes Pressing OK will cause the image in the topmost child window to be filtered with the specified filter The original image is replaced with the filtered one MV Tool User s Guide Rev 1 1 Page 29 of 46 RW Automation LLC 8 Algebra menu Selecting any of the image algebra options will cause a dialog box similar to the one below to be displayed Image agebra CAtestl bmp C test2 bmp The user must select an image from the list of currently opened images displayed in the dialog The selected image must be of the same size and type as the image in the topmost child window When OK is pressed the image is processed according to the menu option as described below 8 1 Add Selecting this option adds the selected image to the image in the topmost child window The resulting image replaces the one in the topmost child window MV Tool User s Guide Rev 1 1 Page 30 of 46 RW Automation LLC 8 2 Subtract Selecting this option subtracts the selected image from the image in the topmost child window The resulting image replaces the one in the topmost child window 8 3 Multiply Selecting this option multiplies the selected image by the image in the topmost child window The resulting image replaces the one in the topmost child window
25. t M Tool MV Tool User s Guide Rev 1 1 Page 46 of 46
26. window size of the min filter Pressing OK will cause the image in the topmost child window to be filtered with the min filter of the specified size The original image is replaced with the filtered one MV Tool User s Guide Rev 1 1 Page 27 of 46 RW Automation LLC 7 5 Small template This menu option has a sub menu with three options detailed in the subsections below 7 5 1 Sobel magnitude When this option is selected a Sobel gradient magnitude filter is run on the image in the topmost child window The original image is replaced with the filtered one 7 5 2 Sobel orientation When this option is selected a Sobel gradient orientation filter is run on the image in the topmost child window The original image is replaced with the filtered one 7 5 3 Laplacian When this option is selected a Laplacian filter is run on the image in the topmost child window The original image is replaced with the filtered one MV Tool User s Guide Rev 1 1 Page 28 of 46 RW Automation LLC 7 6 User defined template Selecting this option makes the following dialog appear User defined template x E Filter columns Sum of products E Gradient magnitude Filter rows Gradient orientation 1 00000 1 00000 1 00000 care By changing the filter columns and rows edit boxes the number of filter coefficient edit boxes will change up to 7x7 The user may also define the type of filtering process to be performed sum of p
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