CFM TWAIN (STI) User Guide - CFM
Contents
1. e Lineart OCR drawings e Photo Letter e Drop Photo e Halftone Screening Output for printers e 16 grey levels e 256 grey levels IES 3D OCR e False colours with grey level scanners e 8 colours e 8 colours halftone e 256 colours e 256 colours diffusion e True colours RGB e True colours CMYK only available with certain applications depends on scanner type Corresponding to the selected scan mode a register card with additional settings is displayed Further information about the register cards are given in the relating chapter of this manual 17 Scan parameters Original In the list box the following options are available to suit the type of original you want to scan and depending on the installed hardware options of the scanner Flat bed Reflective Transparency Transparency option Frontpage ADF Backpage ADF Duplex ADF Duplex front page first ADF Duplex back page first ADF If you choose an ADF option in the field count you can select the desired number of pages to be scanned or use the all pages option If paper is to be fed between pauses the media wait option must be selected Original Count fa pages z If the selected application is only capable of importing one page at atime only a single page can be preselected when the application informs CFM TWAIN STI of this limitation Resolution Adjust the outp2. CFM TWAIN STI User Guide CFM TWAIN English p Lees Revision Rights Reproduction The information and data included in this manual may be revised without prior notice Unless otherwise indicated any company names other names or data referred to in this manual are entirely imaginary No part of this publication may be reproduced or transmitted in any form or by any means electronically or mechanically without the prior permission in writing from CFM Computer fur Menschen GmbH Trademarks and Registered Trademarks Microsoft Windows 98 Windows ME Windows 2000 Windows XP and Windows VISTA 32 Bit are registered trademarks of Microsoft Cor poration in the U S and in other countries Product names mentioned herein are for idenfication purposes only and me be trademarks and or registered trademarks of their respective compa nies This document is subject to change without notice errors and omissions excepted Copyright 1993 2008 CFM Computer fur Menschen GmbH D 58456 Witten Made in Germany 7th Edition November 2008 Contents Introduction u a 6 CFM TWAIN STI ers sueseee 6 Scanner Options nneaseennn 6 Supported Options Functions 7 Development uus 40srsnnnn en 7 Support ANERENERENERERE FNNENE SEEN NNEREREREE 7 System Requirements 8 GCOEmMPamDI Yan 8 Installation of the Scanner 8 Installing the CFM TWAIN STI driver 8 In
3. Delete 41 Descreening 25 Development 7 DIM 44 DPI 44 Drop Photo 17 32 DTP 44 Duplex See Original Dynamic Threshold 28 Background removal 29 Character enhancement 29 Normal 29 E Edge extraction 29 Endorser 41 Error Diffusion 34 IF Filter 24 30 34 35 36 Average 30 36 Colour filter 30 Descreening 25 Mirroring 27 MTF 30 36 Negative 26 Noise Reduction 25 Quality 25 USM 25 White Balance 26 Finescan 11 15 Finescan to the clipboard 11 15 Finish 16 Flat bed See Original Format 40 Apply 40 Delete 41 Move down 41 Move up 41 New 40 Format Input output 20 Frontpage See Original Functions and Operation 12 Cancel 16 Finescan 15 Finescan to the Clipboard 15 Finish 16 49 PER wi His Index Help 15 Overview 13 Copy 13 Paste 13 Prescan 14 Copy 14 Paste 14 Save 16 Status Line 16 G Gamma 38 Hard 39 Linear 39 Normal 39 Soft 39 Glossary 44 ASPI 44 CMS 44 DIM 44 DPI 44 DTP 44 Host Adapter 44 IES 44 LPI 44 OCR 44 PPI 44 TWAIN 45 Gradation 38 See Gamma Grey 35 Brightness 35 Colourfilter 30 36 Contrast 36 Filter 30 36 Average 30 36 MTF 30 36 H Halftone 34 Brightness 33 Contrast 33 Filter 34 35 Halftone 34 Help 15 Host Adapter 44 IES 44 Image 19 50 Index Image Size 21 Installation of the Scanner 8 Installing the CFM TWAIN STI Driver 8 Introduction 6 CFM TWAIN STI 6 Development 7 Scanner Options 6 Su
4. as well as copy right provisions Scanner About Scanner Scanner Into Filter 4 RICOH 15450 TAO 15450 Resolution 400 400 Version 5 20 0013 22 aera all a Registercards E Scanner Selection On the Scanner register card you will find a list box which shows the connected scanners ready for use Clicking on a scanner selects the desired device and makes it the current scanner The SCSI adapter and ID numbers of adapter and scan ner the scanner s technical identification name and the ROM and firmware versions are displayed In addition to this further information about the selected scanner is shown for example the optical resolution installed hardware options and available CFM TWAIN STI driver version Clicking the Rescan button starts a new search for scan ners which currently have the ready status All devices found are displayed in the dialog box for scanner selec tion Search for Scanners A click on the SCSI button starts a search for opera tional scanners and the devices found will be displayed and updated in the scanner selection list box 23 u Registercards Scanner Info About Scanner Scanner Info Filter a Scanned pages in ADF 6045 Scanned pages in flatbed 1917 Pernod of lamp turme on 12 Scanned pages of reverse site in ADF 2399 Pernod of lamp turne on of reverse site 0 Shows information about the con
5. two image input to output size selection boxes to suit your needs N vo 0 0 y 43 2 Output oe 14 8 T 21 0 cm Image Size 969 53 kB 20 yi Scan parameters TE There is a visual link between the two format selection boxes Click this link to break make the connection be tween these boxes If the boxes are linked the scan out put is identical to the preselected input format eg im age input A6 image output A6 If the link between input output size boxes is broken the output size can be selected as desired Input bonas ei o o ES 23 7 em vafoo v 42 0 Output H 21 0 T 247 CI Image Image Size 943 01 kB There are two ways of specifying the position ofthe scan area 1 By entering the exact position of the original in the fields XO und YO 2 By moving the frame in the overview or prescan window if the frame is smaller than the preview window Image Size Based on mode format and resolution the memory re quirements for the relevant image are automatically de termined and displayed 21 p TE Scan parameters Registercards About About Scanner Scanner Info Filter lol _ CFM Tman sz Copyright 1993 2000 Em Cowpelr ter Mavicher CFM Computer f r Menschen GmbH wttener Str 142 D 59456 Witten http ea cfm de Version 5 20 0159 Twain 1 8 Shows information about the CFM product installed for example version and release numbers
6. way a quasi negative effect is created This function is very suitable for colour negative slides 26 Registercards Da Mirroring This scanner option lets you flip an image to create a mirrored effect The output will be a mirror reflection of the original Lineart Scannen Info Filter Lineart Gamma 4 a Brightness m gt Contrast m i gt Threshold H ik Speckle removal OFF Binary filter Ott Z Filter No fte O Smaotkirg On this registercard you can adjust the following set tings ifthey are supported by the active scanner Brightness The brightness can be controlled via slider Thenumber of brightness stages varies with the scanner model with the default setting being 0 The image is made uniformly lighter by setting positive values while negative values will darken it uniformly A selected gamma curve is modified accordingly Contrast The contrast can be adjusted by means of the scroll handle The number of contrast stages depends on the scanner type with the default setting being 0 27 Registercards Using positive values will brighten the light areas in an image and darken the dark ones while negative values result in darkening the lighter areas and lightening the dark image sections Threshold Internally the scanning operation performed by the scan ner is based on the processing of tonal value scales In the Lineart mode for archiving fax documents etc the thres
7. 0 days the previous version must be deleted from the computer and the original disks must be physically destroyed 4 LIMITED WARRANTY CFM or the resellers warrant that a the software will perform substantially in accordance with the accompanying product manual s for a period of ninety 90 days from the date of receipt and b software will be free from defects in materials and workmanship under normal use and service for a period of one year from the date of receipt Any implied warranties on the software are limited to ninety 90 days 5 CUSTOMER REMEDIES CFM s and reseller s entire liability and your exclusive remedy shall be at CFM s and reseller s option either a return of the price paid or b repair or replacement of the software that does not meet CFM s and resellers Limited Warranty and which is returned to CFM or reseller with a copy of your receipt This Limited Warranty is void if failure of the software has resulted from accident abuse or misapplication Any replacement software will be warranted for the remain der of the original warranty period or thirty 80 days whichever is longer No other warranties CFM or resellers disclaims all other warranties either express or implied including but not limited to implied warranties of merchantability and fitness for a particular purpose with respect to the software the accompanying product manual s and written mate rials This limited warranty gives you spe
8. Eaj teren See rund pa en en ee Ey Me lie Ar N ap bel a Drie Dea Scans alee Be ad ce ee sis aie ures Td Se i some a Dem ae ae ee re een ra P bE s OK ath ae ih fs site bri ee ee le eel ee cee we fe Bere nn re ay BT i S TAi lose If desired you can copy the content of the overview win dow to the clipboard by clicking the right mouse button within the displayed overview and then import it into various other applications by using paste 13 Functions and Operation Prescan Clicking this button starts the scanning operation based on all preset parameters and low resolution If you have chosen the feeder in the list box original the number of pages to scan will be automatically set to one page and the first page in the document feeder will be scanned for the prescan The selected scanning area is displayed in the external preview window to enable selection assessment and if necessary correction of parameters The size of the preview selection frame can be varied by dragging the handles as desired If the frame is smaller than the preview window the frame as a whole can be moved sa Prescan Live ast Cliant Servar CFM TWAIN L sung Turn miky Alma ened cell ara A ea i vage fe i ote erential uel carves Pears a a a ea ee a A ah el drla Mgt Sd Ser a oe Tiere Furl ite Ae HiL ach Piisi s ai de bk Bill iiia ain ey Hiii Gr PAA eer bee wo ihe ba A uaap de i i A re eg r
9. H were E ae Be Pr ee ee ee ee aad ae A SiS re i epi Sel ieee ered yd i RE Fm Sk a Rr ga arma TL Te a A ee er ifen i ee ee b i G yaba Fali I ee Sl I 7 A ier ee aha eo ee Cel ei Tr any W eee HT 49 ram Takad AAH Ti p st EEE al bom Ba DOE A ia Log Pot l amg yy You have the possibility to copy the content of the over view window to the clipboard by clicking the right mouse button within the displayed overview and then import it into various other applications by using paste 14 Functions and Operation Vo Recommended If you want to establish the scanning area quickly without considering other parameters se lect the option overview for previewing and afterwards switch to the desired final scanning mode Finescan Starts the main scanning operation based on all preset parameters After the original has been scanned the im age is transmitted to the application Finescan to Clipboard Clicking on this button will start the main scanning op eration based on all preset parameters After the origi nal has been scanned the image is copied to the clip board and can then be imported into various other ap plications by using paste Help The integrated HELP function explains the most impor tant program characteristics Click on the question mark in the top right corner and then click on the element you need information about click on the help button or press F1 If you ne
10. ails of scanner installation Installing the CFM TWAIN STI Driver Before installing CFM TWAIN STI you should have completed connection of the scanner When the scanner is READY to operate you can turn on your computer Detailed information about installation deinstallation of the CFM TWAIN STI are given in the installation guide that corresponds to the ver sion of Windows that you are using Installing the CFM TWAIN STI Driver E Choosing an Application Select an application to suit your scanning job and make the required basic settings as given in the application manual Recommended To save system resources and attain a satisfactory working speed close all other running applications and open windows before starting the scanning operation When working under DOS clear as much free conventional memory below 640 K as possible If tolerated by a given application do not reserve all the memory for this application as a rule do not exceed 75 Selecting CFM TWAIN STI Before you can start up your CFM TWAIN STI module and begin with the scanning job you must select the TWAIN module once as source in your application 1 In your application choose under FILE the SELECT SOURCE option 2 Now select CFM TWAIN STI In Picture Publisher for example you choose the source with FILE SETTINGS SCANNER TWAIN In OmniPage you shall choose TWAIN scanner a a ar Choosing an Application Acti
11. al character recognition software package supports 3D OCR scanning is carried out in 256 greyscale mode Please follow the recommendations given in the user s guide of your application Image The image dimensions for the selected format are dis played in the IMAGE field which is divided into two sec tions Image input and output size Moreover the respective unit is shown 19 Scan parameters Format Input output CFM TWAIN STI enables you to preselect standard formats By clicking on a given parameter you choose the desired scanning area This setting governs the prescan and as well the finescan function and is dis played in the selection window For example Maximum size Executive 7 25 x 10 5 A4 210 x 297 mm Photo 150 x 100 mm A5 148 x 210 mm Photo 130 x 90 mm A6 105 x 148 mm Slide 60 x 70 mm B5 176 x 275 mm Slide 70 x60 mm B6 125 x 176 mm Slide 24 x 36 mm B7 88 x 125 mm Slide 36 x 24 mm Additionally you can establish a user defined format Enter desired width and height figures into the respec tive fields The following units are available in the list box Pixels inches centimeters and millimeters CFM TWAIN STI supplies a list of common formats Using the Format register card you can adapt the list to your needs ie you can create new user defined formats delete existing formats and change the order in which the formats appear in the list box You can choose from the
12. aracters Type of character Capital letters A Z Numbers 0 9 Characters The following is created automatically Date time and a consecutive number by including the following placeholders which have to be entered in lower case letters date date time time count serialnumber user name of the user logged on to the PC The print layout of date and time refers to the date and time settings of the operating system The serialnumber can have 5 places as amaximum its starting value is entered in the field Start volume while the increment size is entered below 42 Registercards Po Support amp Information CFM Computer f r Menschen GmbH Wittener Str 142 D 58456 Witten Germany Telephone 49 0 2302 970 30 O Fax 49 0 2302 970 30 30 Internet http www cfm de support cfm de 43 bee Glossary Glossary ASPI Adaptec has made ASPI Advanced SCSI Programming Interface a quasi standard for communication between manufacturer independ ent SCSI host adapters and SCSI devices CMS Colour Management System software used for the generation of device specific calibration curves particularly for the correct colour value reproduction in different colour systems eg C l E L ab DPI Dots per inch Pixels Printer resolution in the Line Art mode DIM Document Imaging archiving DTP Desktop publishing describes the electronic preparation of all types of publ
13. cific legal rights Limitations on liability In no event shall CFM or resellers be liable for any damages whatsoever including without limitation damages for loss of business profits business interruption loss of business information or other pecuniary loss arising out of the use of or inability to use this CFM product even if CFM has been advised of the possibility of such damages in any case CFM s or resellers entire liability under any provision of this agreement shall be limited to the amount actually paid by you for the software This Agreement is governed by the laws of Germany Jurisdiction is the place of business and legal seat of CFM or the reseller 47 bes Index Index Symbole 16 grey levels See Grey 256 colours See Colour 256 colours diffusion 17 See Colour 256 grey levels 17 See Grey 8 colours halftone See Colour A About 22 Activating CFM TWAIN STI 10 Aquire 10 ADF See Original Apply 40 Aquire 10 ASPI 44 Average 30 36 B Background removal 29 Backpage See Original Binary filter 29 Bold lining 29 Edge extraction 29 Bold lining 29 Brightness 27 33 35 37 C Cancel 16 CFM Licence Agreement 46 CFM TWAIN STI 6 Character enhancement 29 Choosing an Application 9 Select source 9 Selecting CFM TWAIN STI 9 CMS 44 Colour 37 Brightness 37 Contrast 37 Colourfilter 30 36 Compatibility 8 Contents 5 Contrast 27 33 36 37 Copy 13 14 48 Index ee D
14. ed further information about icons dialog boxes or a pulldown menu move the mouse cursor to the rel evant location The name will be displayed as a tool tip In the status line of CFM TWAIN STI additional infor mation about the function is provided u Output Br as 15 3 i Jigs Jem H J Image Size 1 857 MB Save Starts the overview scan 15 Cancel Finish Functions and Operation Save The currently selected settings will be stored when click ing on the Save button Cancel A click on the Cancel button terminates the current scan ning process or closes CFM TWAIN STI if no scan process is active The currently selected settings will not be saved Finish Click on the button Finish to terminate CFM TWAIN STI save all current settings and transfer the scan to the application unless this is automatically controlled by the relevant application Status Line The status line provides useful information about the current scanning operation and image transfer to the application Image Size 469 94 kB Save Cancel Finish 16 Functions and Operation Vo Scan parameters Scan parameters Mode Lineart ii Original uplex Count fan pages Scan mode By clicking on one of the options shown in the MODE box you can determine the information scope for a given scanning task The parameters available with the se lected scanner are displayed for example
15. er Filter True colour AGE Ge 4 o oe Brightness kb Contrast aa oe On this registercard you can adjust the following set tings if they are supported by the active scanner Brightness The brightness can be controlled via slider The number of brightness stages varies with the scanner model with the default setting being 0 The image is made uniformly lighter by setting positive values while negative values will darken it uniformly A selected gamma curve is modified accordingly Contrast The contrast can be adjusted by means of the scroll handle The number of contrast stages depends on the scanner type with the default setting being 0 Using positive values will brighten the light areas in an image and darken the dark ones while negative values result in darkening the lighter areas and lightening the dark image sections 37 ji pees Registercards Gamma Filter Lineart Gamma Format Endo_4 Use Gamma value 22 Hormal hi July 24th 1997 Native normal curve The gamma correction affects the contrast and bright ness of your image With the brightness function all the tone value levels of an image can be uniformly changed to lighter or darker as desired Using the contrast function permits the dark brightness levels to be uniformly varied between darker and brighter The gamma correction gradation function on the other hand enables an individual adjust
16. gs as well as Average and MTF filters More information about this functions is given under the respective headword 32 Registercards Po Halftone Scanner Info Filter Halftone Gamma Brightness ei Oe Contrast Os Halftone dwt 45 On this registercard you can adjust the following set tings if they are supported by the active scanner Brightness The brightness can be controlled via slider The number of brightness stages varies with the scanner model with the default setting being 0O The image is made uniformly lighter by setting positive values while negative values will darken it uniformly A selected gamma curve is modified accordingly Contrast The contrast can be adjusted by means of the scroll handle The number of contrast stages depends on the scanner type with the default setting being 0 Using positive values will brighten the light areas in an image and darken the dark ones while negative values result in darkening the lighter areas and lightening the dark image sections 33 VE Registercards Halftone Via the HALFTONE list box only activated when the Halftone MODE has been preset you define the half tone pattern to be applied to the scan For example Error diffusion e Pattern 1 screening e Pattern 2 screening e Pattern 3 screening e Pattern 4 screening i r ft ON In the error diffusion halftone mode a diffuse random like pattern is produced The error d
17. he relevant scanner or currently set mode they can not be activated In particular the window showing scanning options may considerably vary from what is said in the help and manual Current information about operation or settings are included in the ReadMe files Development CFM TWAIN STI is constantly updated to include state of the art functions and be ready for other operating systems as well Informa tion about the latest development status can be obtained from CFM GmbH Helpful suggestions from your side are always welcome and will be duly considered Please do not hesitate to contact us Support Support and update information are available to you under the follow ing address Computer fur Menschen GmbH Wittener Str 142 D 58456 Witten Germany Telephone 49 0 2302 970 30 0 Fax 49 0 2302 970 30 30 Internet http www cfm de support cfm de ies System Requirements Installation of the Scanner System Requirements The following configuration is required IBM PC AT or compatible computer Minimum 256 MB RAM to suit the individual operating system application and scanning job VGA or higher resolution monitor CD ROM or DVD Drive Supported Scanner SCSI or USB cable Supported Operating Systems Windows 98 98SE ME Windows 2000 Windows XP Windows VISTA 32 Bit Compatibility e TWAIN compliant application programs Installation of the Scanner Please refer to the Scanner Operator s Guide for det
18. he scanner discriminates the background colour of an original and sets the threshold automatically In this man ner a grey background of a document is shown white which will greatly improve the contrast in case of OCR Speckle Removal Using the speckle removal option allows you to elimi nate individual incoherent dots in an image in lineart mode to obtain a cleaned up scan The size of the search ma trix can be adjusted A larger matrix improves the effect but can also decompose signs Binary filter Bold Lining Using the Scanner Option Bold Lining thin lines or let ters can be intensified in lineart mode to attain better results for OCR or DIM jobs Edge Extraction Use this filter if you need the outlines of an image for design purposes etc 29 Registercards Filter Average By selecting the Average filter the average value of ad jacent pixels for example 2 x 2 4 pixels or2 x 1 2 pixels is taken as a basis This filter can be employed in lineart halftone and greyscale mode for soft focus ing effects 2 x 2 yields softer images than 2 x 1 MTF The MTF modulation transfer function is used with gray scales and colors to enhance and sharpen pale images so that they appear to be more lively In the lineart mode the thickness of thin lines is increased and image noise eliminated automatic threshold Colour filter Via the scanner inherent colour filter you can mask an unwanted colour and exclude it f
19. his is a legal agreement between you the end user and Computer f r Menschen GmbH D Witten Germany corporation CFM By installing the software you are agreeing to be bound by the terms of this agreement If you do not agree to the terms of this agreement promptly return the disk package and the acconpanying items including written materials and binders or other containers to the place you obtainded them for a full refund The enclosed CFM Product is a single user version unless your Product s packaging indicates otherwise or unless you have a written agreement with CFM Corporation CFM SOFTWARE LICENSE 1 GRANT OF LICENSE a CFM grants the end user a license to use one copy of the enclosed software program the Soft ware on a single terminal connected to a single computer The end user may copy the Software from one single terminal to another such single terminal or portable or home computer or terminal belonging to or used by the enduser provided that the Software is in use on only one computer at a time and is never installed on more than two computers at any one time and is used only by the end user If the Software package contains both 3 1 2 and 5 1 4 disks then the end user may install from only one set either the 3 1 2 or 5 1 4 of the disks provided b If the end user has multiple licenses for the Software then at any time the enduser may use as many copies of the Software as the end user has licenses If the
20. hold function is used to determine the tone value at which a pixel is displayed and can be selected via slider Pixels brighter than the set threshold are shown white while pixels darker than the set threshold are shown in black The setting thus governs the tone value at which the scanned pixels are displayed eg using a medium thresh old and internally scanned 256 grey scales will result in tone values 0 127 to be deleted while tone values 128 255 are displayed A fixed threshold leads to rather coarse results There fore scanners for archiving purposes are capable of varying their threshold during scanning within predeter mined limits originals containing many tone value scales are shown in higher detail Also refer to Dynamic Threshold Dynamic Threshold Using the Dynamic Threshold DTC scanner option in lineart mode you can select a number of options that will improe the recognition of handwriting broken lines or pale originals This DTC option adapts the threshold automatically to the contrast level of the original Special DTC options my be used to limit or increase this automatic contrast adjustement to suit the requirements of the original 28 Registercards Po For example Normal Default setting the scanner sets the threshold automati cally to improve the scanned image Character enhancement Light or pale scripts characters are darkened to improve the quality of the scanned image Background removal T
21. ications comprising photos graphical elements as well as text Host Adapter The interface between mainboard and SCSI bus is termed host adapter It includes an integrated SCSI bus controller Normally up to 7 addi tional devices can be connected IES Image Editing Software electronic image processing LPI Lines per inch Screening lines Compromise based on resolution and tone value scope OCR Optical character recognition PPI Pixels per inch Designation used to define the scanner resolution 44 aera all Glossary E TWAIN TWAIN two linking two separated worlds scanners amp applications TWAIN is a standard for the communication between image input media eg scanners and their application programs TWAIN is in tended to enable scanners of various manufacturers to be controlled from within a given application program and software of various manu facturers to be easily used with a scanner The application does not need drivers for a given scanner and vice versa the scanner hard ware is no longer dependent on a certain application Prerequisite for this is however that both hardware and software products are based on the TWAIN specification A TWAIN module thus enables commu nication between TWAIN compliant application programs and TWAIN compliant scanners 45 o Licence Agreement CFM Licence Agreement ATTENTION Please read this document carefully before install ing the software T
22. iffusion feature is used with a lower resolu tion and when a desktop printer is used as output de vice By using this setting a moire pattern undesired Superimposed interference pattern can be avoided More background information is given under the RE SOLUTION chapter in the Manual Error Diffusion Scanner Info Filter Error Diffusion EPRE ILA oe Brightness m Contrast m oe Dyn Threshold Character enhancem In the error diffusion mode a diffuse random like pat 34 Registercards Po tern is produced The error diffusion feature is used with a lower resolu tion and when a desktop printer is used as output de vice By using this setting a moir pattern undesired superimposed interference pattern can be avoided More background information is given under the RE SOLUTION chapter in the Manual Additional settings you can adjust on this registercard are contrast brightness and Dynamic Threshold De tailed information about this options is given under the chapter Registercards Lineart Grey Scanner Info Filter Grep Gamma 4 a Brightness Os Contrast Os Filter No filter as On this registercard you can adjust the following set tings if they are supported by the active scanner Brightness The brightness can be controlled via slider The number of brightness stages varies with the scanner model with the default setting being 0O The i
23. ist of common formats Using the Format register card you can adapt the list to your requirements ie you can create new user defined formats delete existing formats and change the order in which the formats appear in the list box Filter Lineart Gamma Format Endo 4 gt Format DIN Ad 21 0 237 cm SS x 3 E secutive Half Letter DIN A3 DIN Ad Additionally you can establish a user defined format Enter desired width and height figures into the respec tive fields The following units are available in the list box Pixels inches centimeters and millimeters By clicking on the save button you can save the de fined format as default setting mj Format Apply Format New 40 Registercards P Format Delete Endorser Lineart Gamma Format Endorser 4 Use Endorser 7 Frnt Right bo Left Small font Maximum number of characters 19 Increment i 13 mm Start value foe if mm Rotation Format Hl The Endorser SCANNER OPTION is used to print al phanumeric characters on a document to facilitate filing ofthe scanned pages In the dialog box in the ENDORSER field you can enter the text you want to print Clicking the Endorser field will activate the Endorser Depending on the respective Endorser the following is to be noted 41 Registercards Maximum number of characters The endorsed message must for example not include more than 19 ch
24. l character recognition OCR and document imaging DIM capabilities CFM TWAIN STI allows you to connect your scanner to your com puter via an ASPI compatible SCSI host adapter Based on the TWAIN standard features the program options depend on the capabilities of the respective scanner as well as application requirements With the help of CFM TWAIN STI all functions of the scanners are supported Because of its variety of functions and options the scan results can be tailored to your wishes Scanner Options The concept of using a self reliant and regular TWAIN module conse quently tailored to the needs of a particular manufacturer offers many advantages to the user and his daily scanning work CFM TWAIN STI not only permits using the basic functions of scanners but also enables the other important functions and options inherent in every scanner model to be fully exploited This is of special interest to us ers operating on the PC platform under Windows Everything that can be done on the scanner s hardware level saves computing time and reduces memory requirements aera Introduction was Supported Options Functions etc The descriptive information in this manual is based on examples CFM TWAIN STI as furnished may deviate in a number of aspects Please note that the respective scanner or scanner drivers always affect the available parameters functions and options If these are found to be unsupported by t
25. lation Therefore you must treat the Software like any other copyrighted material e g a book or musical recording except that if the software is not copy protected you may either a make one copy of the Software solely for backup or archival purposes or b transfer the Software to a single hard disk provided you keep the original solely for backup or archival purposes You may not copy the Product manual s or written materials accompanying the Software 46 Licence Agreement vn 3 OTHER RESTRICTIONS The Software and the enclosed written materials are copyrighted and for the avoidance of doubt the following are absolutely prohibited without the express prior written consent of CFM 1 Unauthorised copying of the Software or of the written materials including Software that has been modified merged or included with other software 2 Translating any of the Software 3 Reverse engineering disassembling decompiling or making any attempt to discover the source code of any of the Software 4 Sub licensing renting or leasing any portion ofthe Software or operating any ofthe Software on or from a network or mainframe system 5 Use a previous version of the Software for which you have acquired an upgrade or update except that for a period of ninety 90 days after you receive the upgrade or update you may use the previous version solely to convert existing documents to the upgraded or updated version At the end of the ninety 9
26. mage is made uniformly lighter by setting positive 35 Registercards values while negative values will darken it uniformly A selected gamma curve is modified accordingly Contrast The contrast can be adjusted by means of the scroll handle The number of contrast stages depends on the scanner type with the default setting being 0 Using positive values will brighten the light areas in an image and darken the dark ones while negative values result in darkening the lighter areas and lightening the dark image sections Filter Average By selecting the Average filter the average value of ad jacent pixels for example 2 x 2 4 pixels or2x 1 2 pixels is taken as a basis This filter can be employed in lineart halftone and greyscale mode for soft focus ing effects 2 x 2 yields softer images than 2 x 1 MTF The MTF modulation transfer function is used with gray scales and colors to enhance and sharpen pale images so that they appear to be more lively In the lineart mode the thickness of thin lines is increased and image noise eliminated automatic threshold Colour filter Via the scanner inherent colour filter you can mask an unwanted colour and exclude it from the scan In case of OCR and DIM operations the background of the origi nal is erased which will enhance character scanning You can easily choose the drop out colour for example red green or blue from the listbox 36 Registercards Hals Colour Scann
27. ment of the various individual tone value levels gray and color scale lev els The gamma correction is based on gamma curves Applying a gamma curve improves image quality with out discarding information inadvertently There are two possible ways of carrying out the gamma correction 1 Preselectable gamma curves by the CFM TWAIN STI module In colour mode all colour channels are determined by one gamma curve 38 Registercards es The following types of gamma curves can be selected from the Gamma register card Increasing the brightness of Name Shadows Midtones Highlights Normal slight medium slight Soft medium strong medium Hard hardly slight medium Linear Default setting outputs an image as scanned Name Effect of the gamma curves Normal Emphasizes contrast slightly to improve a scanned image Soft Weakens contrast to soften an image Hard Emphasizes contrast to sharpen an image Linear Outputs an image as scanned With the help of a gamma value Please activate the function Use Gamma value Adjust the Gamma value for the scan by setting the desired value with the slider or type it into the text box The Gamma value can be set with single incre ments from 0 1 to 10 Entering a value of 1 gives you a neutral curve linear gamma curve a smaller gamma value than 1 darkens the image a gamma value higher than 1 will lighten the image 39 Registercards Format CFM TWAIN STI supplies a l
28. nected scanner for example number of scanned pages in ADF scanned pages in flatbed period of lamp turned on This register card is only visible if the scanner provides the informa tion Filter Filter Linear Gamma Format Endo_4 Aualitn Quick Mode i USM Smoothing Strong Noise reductior Median 343 Y Descreening Miroring Negative White Balance 24 Registercards TE On this registercard you can adjust the following set tings if they are supported by the active scanner Quality Using the Quality option you can determine the scan quality Quick mode for high speed scanning good or very good quality for high quality images The standard setting is quick mode USM In the list box you can select between three sharpening and three smoothing filters The default setting provides for the filters to be deacti vated The Sharpen filter is used to sharpen blurred images Depending on the filter selected the contrast of neighboring pixels is increased so that the image as a whole will appear more distinct The Smoothing filter reduces the contrast between pixels to create a smoother blurred image Noise Reduction This filter removes interference from an image by align ing the pixels in a special area 3x3 5x5 to the sur rounding pixels Descreening With the Magazine filter 133 Ipi printed originals will be descreened The moir effect that
29. number of persons who can access and use the Software exceeds the number of licenses that the end user has then the end user must have a reasonable mechanism or process in place to assure that the number of persons using the Software at the same time does not exceed the number of licenses c This license is not a sale of any of the rights of ownership of the original Software or any copy In particular CFM retains title and full rights of ownership in the original or any copy of the Software installed or copied or in use on all such physical media or on any other media such as but not restricted to floppy or hard disks CD ROM or similar storage devices or operating memory d As the end user is simply acquiring a licence to use this product it may therefore not be sold leased or transferred to anyone without the prior consent of CFM After written notification to CFM the end us may transfer all copies of the Software including the original and the documentation on a permanent basis to another person or entity provided that the end user retain no copies of the Soft ware or documentation and that any authorised transferee of the Software shall be bound by the terms and conditions of this Agreement If the Software is an update any transfer must include the update and all prior versions 2 COPYRIGHT The Software is owned by CFM and is protected by German copyright laws international treaty provi sions and all other applicable national legis
30. pport F Supported Options Functions etc 7 L Licence Agreement 46 Lineart 27 Average 30 Binary filter Bold lining 29 Edge extraction 29 Brightness 27 Contrast 27 Filter 30 Average 30 Colour filter 30 MTF 30 Smoothing 30 Speckle Removal 29 Threshold 28 LPI 44 M Mirroring 27 Moir 25 34 35 Move down 41 Move up 41 MTF 30 36 N Negative 26 New 40 Normal 29 O OCR 44 Original 18 Duplex 18 Flat bed 18 Transparency 18 Overview 11 13 Copy 13 Paste 13 51 Lees Index P Paste 13 14 Photo Letter 17 31 PPI 44 Prescan Ty 14 Copy 14 Paste 14 Quality 25 R Registercards About 22 Colour 37 Brightness 37 Contrast 37 Drop Photo 32 Endorser 41 Error Diffusion 34 Filter 24 Descreening 25 Mirroring 27 Negative 26 Noise Reduction 25 Quality 25 USM 25 White Balance 26 Format Apply 40 Delete 41 Move down 41 Move up 41 New 40 Gamma 38 Hard 39 Linear 39 Normal 39 Soft 39 Grey Brightness 35 Colourfilter 30 36 Contrast 36 Filter 30 36 Halftone 33 Brightness 33 Contrast 33 Halftone 34 52 Index Lineart 27 Binary filter 29 Brightness 27 Contrast 27 Dynamic Threshold 28 Smoothing 30 Threshold 28 Photo Letter 31 Scanner 22 Scanner Selection 23 Search for Scanners 23 Scanner Info 24 Reproduction 4 Resolution 18 Revision Rights 4 S Save 16 Scan mode 17 16 grey levels See Grey levels 256 grey levels See Grey levels Lineart 1 Scan paramete
31. rom the scan In case of OCR and DIM operations the background of the origi nal is erased which will enhance character scanning You can easily choose the drop out colour for example red green or blue from the listbox Smoothing With the SMOOTHING function irregularities encountered in the original can be eliminated in the LINEART mode for example to enable a more precise scanning for OCR and DIM operations 30 Registercards E Photo Letter Filter Strich auto Foto Gamma Foma Helligkeit J i kontrast m I Schwelle 1 Halbton Oud 45 Filter Kein Fitter This mode detects photo halftone areas and letter bi nary areas of the original so that the binaryareas are scanned in lineart mode and the halftone areas are scanned in halftone mode Additional settings you can adjust on this registercard are contrast brightness threshold halftone pattern and the Average and MTF filters Detailed information about this options is given under the chapter Registercards Lineart and Halftone 31 Registercards Drop Photo Scanner Info Filter Drop Photo Gam Ar Brightness kb U Contrast er m U Threshold Filter Average This mode detects photo areasin originals and excludes them while scanning the remaining letter binary areas of the original in lineart To improve your scan results you may additionally ad just the contrast brightness and threshold settin
32. rs 17 Format Input output 20 Image 19 Image Size 21 Original Duplex 18 Flat bed 18 Transparency 18 Scan mode 17 Scanner 22 Scanner Selection 23 Search for Scanners 23 Scanner Info 24 Scanner Options 6 Scanner Selection 23 Scanning in Brief 11 Finescan 11 Finescan to clipboard 11 Overview 11 Prescan 11 Search for Scanners 23 Select source 9 Selecting CFM TWAIN STI 9 Smoothing 30 Speckle Removal 29 Status Line 16 Support 7 53 ae Lee Index Supported Options Functions etc 7 System Requirements 8 Compatibility 8 T Threshold 28 Tradenames 4 Transparency See Original True colours RGB 17 See Colour TWAIN 45 TWAIN module 6 U USM 25 W White Balance 26 54
33. stallation Uninstallation 8 Choosing an Application 9 Selecting CFM TWAIN ST 9 Activating CFM TWAIN STI 10 Scanning in brief uuuuuseeeeneunnnn 11 Function and Operation A Z 12 OVEIVIEW sans en 13 Peer 14 FiINESCAN ann 15 Finescan to clipboard 15 SUD ee 15 SAVO seien 16 Cancel cantioecsaaamencitecaiamtedaenmanicsnabeinesed 16 FUMES a E 16 Status line issue 16 Scan parameters unnnnnnnnnennennnnnnn 17 Scan Mode annseech 17 SE A E 18 Resolution a 18 MAJ e 19 Format Input output ann 20 Image 74 cs csachacncnsansiscacessaasndnnessoass 21 Register cards About Scanner ee Scanner selection Search for scanners ece Scanner Info u nuunneenneennennnnnnenn Descreening scatexsncexneattnereeurocenopsies White Balance u uunnennennnn Negative ans acicnctcccedaeeaiesricce NET et ae Lineart uunsensenensennnnnnnnnnnnnnnnnnnnnnnnn Photo Letter sicccocescvcsssanicansvaarnesssveres Drop Photo en Halftone ou cece cecceecseeeeeseeesneeeeeees Error Diffusion una nanacennte Grey levels Ass Colour o Introduction Introduction CFM TWAIN STI CFM TWAIN STI is an independent standard TWAIN module for scan ner control and can be run from most applications supporting the TWAIN standard It opens up to your scanner all modern desktop publishing DTP optica
34. t position The designa tion will be displayed on the monitor and in the status line on the far left hand side on the user interface additional information about the function can be read or the status of a started scan is displayed Some applications start a TWAIN module in hidden mode without User Interface Interaction or can be set to this mode particularly DIM or OCR programs In this case the CFM TWAIN STI driver is controlled from the respective application Note that not all applica tions are capable of doing this correctly If necessary you have to change settings for the TWAIN module in another application or scan in open mode again How you can make these settings and other tips and tricks are explained in the relating chapter of this manual and in the ReadMe files Adjustment capabilities of CFM TWAIN STI are described on the following pages 12 Functions and Operation Hals Overview With a click on the button you can start the scanning operation at low resolution in the best possible mode covering the whole scanning area This causes the whole scan area to be displayed on the monitor Using the frame you can define a scan area for the preview or the finescan For anew overview for example after changing the scan Original please open the overview once more and start a new preview of the whole scan area by clicking the overview button mF pm Uverview GientSever CFM TWAIN L zun fa 7 i
35. the top right corner 1 Insert Document Place the document to be scanned on the scanning surface observe guide mark 2 Settings From the displayed scan parameters choose the desired fea tures The image size based on mode format and resolution memory requirements for the image is automatically deter mined and displayed on the far left end of the user interface 3 Start the desired scan option ie Overview Ctrl W Prescan Crtl R j2a9 Finescan Ctrl A g Finescan to clipboard Ctrl C Detailed information about these buttons is given under the corre sponding headword 11 Das Scanning in Brief Functions and Operation CFM TWAIN STI offers a multitude of adjustment capabilities to obtain scan results meeting the user s needs The descriptive information in this manual is based on examples CFM TWAIN STI as furnished may deviate in a number of aspects Please note that the respective scanner or scanner drivers always affect the available parameters functions and options If these are found to be unsupported by the relevant scanner or currently set mode they can not be activated You can select adjustments in different ways Direct selection in pulldown menus and check boxes or input in dialog boxes of the user interface Functions and options are available via register cards If you need further information about icons dialog boxes or a pulldown menu move the mouse cursor to the relevan
36. ut resolution for the scan by setting the desired value with the slider or type it into the text box Resolution can be set with single dpi increments from 30 dpi to five times the scanner s optical resolution ca pability 18 Scan parameters es Resolution Output 200 dpi Problems may arise because a scanner sees by far better than can be displayed by most of the output de vices i e more tonal values such as grey and colour levels What is more it detects these characteristics other than the human eye does More often than not the resolution selected is too high for the intended purpose Please note that using high resolutions of grey levels and colours requires much time and excessive memory space The memory require ments are proportional to the square of the resolution We thus recommend that you try the lowest possible resolution for a given purpose and deepen your knowl edge by reading literature on the subject For Optical Character Recognition OCR and Document Imaging DIM you should use the scanning resolution your application provides for this purpose e g 300 or 400 dpi in the lineart mode Background colours and individual incoherent dots pixels can be faded out if they differ from the tonal value greyscale or colour of the text In this case you can suppress these imperfec tions by carefully adjusting the threshold value depend ing on the scanner manually or automatically If your optic
37. vating CFM TWAIN STI After you have selected CFM TWAIN STI as source you can start scanning from inside your TWAIN compliant application For exam ple choose ACQUIRE or IMPORT which will cause the CFM TWAIN STI module to appear Recommended In line with the TWAIN standard the two commands initiating scanning with the TWAIN module in every application are SELECT SOURCE and AQUIRE Please note however that some applications may have named these commands differently p CFM Twain32 RICOH 15450 1RO02 xl Scanner Info Filter Grey Gamma all ality GuickMode USM Smoothing tweak gt Moise reduction Median 3x3 Descreening Magazine 133 Ipi z Scan parameters Mode 256 grey scale Original Flat bed Fr fount all pages r Resolution Output er 200 dpi User defined Mirroring N O 0 0 Be 15 3 em io D 0 0 ie 19 8 Negative White Balance Output or 5 ne hss Ye ss em k k fo Image Size 1 857 MB Save Cancel Finish Starts the overview scan Further details about this are described in the chapter Functions and Operation 10 aera wall Activating CFM TWAIN vn Scanning in Brief If several scanners are connected you can select the desired scan ner on the register card scanner with the help of the displayed list box The chosen scanner appears in CFM TWAIN STI as active scanner in the scanner box in
38. will usually occur in a scanned image is eliminated 25 Registercards White Balance Using the WHITE BALANCE function enables you to blank out an undesired background in DIM and OCR jobs The WHITE BALANCE scanner option lets you declare the brightest value of the original as the brightest value the scanner is able to detect In this manner the gray background of a document for example is defined to be white which will greatly im prove the contrast when handling OCR DIM and draw ings scanning jobs Depending on the scanner type the White Balance func tion has various names eg automatic exposure dynamic threshold line drawing text mode etc However this function is not supported by all scanners As a rule but varying with scanner type white balancing is effected at the scanning area starting point There fore the document should be precisely positioned see scanner manual For example The tone value is measured within the first 3 mm of the selected scan area Therefore the back ground color should be dominant in this zone If this is not possible deactivate the option White Balance Some scanners with automatic threshold control em ploy a line by line balancing function In this case the dark background is eliminated only behind a text while it is retained in the area between the lines Negative This scanner option enables all scanned image pixels to be inverted during the scanning process In this
Download Pdf Manuals
Related Search