Kodak i100 Series manuel d'utilisation

i100 Series Scanners Image Processing Guide User ’ s Guide A-61517[...]

ISIS is a registered trademark of Pixel T ranslations, a division of Input Software, Inc. Windows and Windows NT are either registered trademarks or trademarks of Microsoft Co rporation in the United S tates an d/or other countries.[...]

A-61517 October 2004 1-1 1 Introduction Kodak i100 Series Scanners The Kodak i100 Series Scanners are low-volume production scanners which include image proce ssing technology , can improve image quality and sometimes make the reproduction better than the origi nal. Y ou can use the applications based on the ISIS Driver or TW AIN Data source to ena[...]

A-61517 October 2004 1-2 About this manual This manual provides the following: Chapter 1, Introduction  includes a brief summary of the Kodak i100 Series Scanners, a list of features available for each scanner and the support d rivers. Chapter 2, Best Practices  includes information to use when setti ng up applications, recommend ations on ho[...]

A-61517 October 2004 1-3 Image output s i100 Series Scanners can return bi -tonal, grayscale or color imag es to the host. Below is a description of the valid combinatio ns. The i150 Scanner is a simplex scanner . This means that only one side of the document may be captured. The i160 Scanner is a dupl ex scanner . T his means both the front and th[...]

A-61517 October 2004 1-4 These image files can be controlled thro ugh the application independently . FB.tif (front bi-tonal) FC.jpg (front color) RB.tif (rear bi -tonal) RC.jpg (rear color) Another example of a simult aneous output where all four images are returned to the host would create the following four fil es: • Front grayscale : FG .jpg.[...]

A-61517 October 2004 1-5 These image files can be controlled thro ugh the application independently . FG .jpg (front grayscale) FB.tif (front bi-tonal/binary) RG .jpg (rear grayscale) RB.tif (rear bi-tonal/binary)[...]

A-61517 October 2004 2-1 2 Best Practices This chapter provides you with recommendatio ns for program logic, which will allow you to interact ef ficiently with the i100 Series Scanner . Thi s high-level information is not intended to be used as a programming g uide. The follo wing information is provided in this chapter: • Basic image capture •[...]

A-61517 October 2004 2-2 Scanner setup T o setup the scann er: 1. Setup your scanner operating condition s: • simplex/duplex • image order • transport timeout • transport timeout response • length detection statu s and response • multi-feed detection st atus and response • page-on-demand o r batch count mode • starting do cument cou[...]

A-61517 October 2004 2-3 Enable scanning The host must issue a Scan command t o enable scanning before documents can be tran sported through the scan ner . If scanning has not been enabled, the feeder and tran sport system wil l not turn on. Initiate polling Initiate host system polling of the scanner to ensure scanne d document images are transfer[...]

A-61517 October 2004 2-4 Error handling The scanner recognizes a nd reports a variety of error conditio ns. Some errors are reporte d to the host (via the 13 94 interface) or via the LEDs on the scanner while others are reported to both the host and the LEDs. An error (via the 1394 interface ) is defined as either a curre nt or deferred error . A c[...]

A-61517 October 2004 2-5 Controlling image transfer order This section provides job strea m examples which can be used in scanning applications. The host application is resp onsible for determinin g the order in which the scanner return s images. Front images must alway s be retrieved before rear images. Single output bi-tonal only duplex This job [...]

A-61517 October 2004 2-6 Single output grayscale only duplex This job stream is available for i160 Sca nners. 1. Prepare document s. 2. S tart the scanner to do grayscal e duplex scanning (front grayscale and rear grayscale). 3. Setup the scanner to retrieve grayscale image s. 4. Enable the scanner and st art polling. Loop Read front grayscale imag[...]

A-61517 October 2004 2-7 Simult aneous output bi-tonal and grayscale duplex This job stream is available for i160 Sca nners. 1. Prepare document s. 2. S tart the scanner to do simult aneous output bi-tonal and grayscale duplex scanni ng (front bi-tonal, front grayscale, rear bi-tonal, rear grayscale). 3. Setup the scanner to retrieve bi-tonal image[...]

A-61517 October 2004 2-8 Single output color only simplex This job stream is available for all i100 Serie s Scanners. 1. Prepare document s. 2. S tart the scanner to do color scan ning. 3. Setup the scanner to retrieve color imag es. 4. Enable the scanner and st art polling. Loop Read front color image header Read front color image End loop Single [...]

A-61517 October 2004 2-9 Simult aneous output bi-tonal and grayscale simplex This job stream is available for all i100 Serie s Scanners. 1. Prepare document s. 2. S tart the scanner to do simult aneous output bi-tonal and grayscale scanning (front bi -tonal, front grayscale). 3. Setup the scanner to retrieve bi-tonal image s first. 4. Enable the sc[...]

A-61517 October 2004 2-10 Image file storage locations This section provides gen eral recommendations regarding the imp act of image file storage locations on the overall throughp ut of the scanner . Depending upon your appl ication, you can receive up to four image files per document. De cisions about whe re to write these files when retrieving th[...]

A-61517 October 2004 2-1 1 When using Adaptive Threshold Processing, there a re four imaging para meters which ef fect electronic color dropout: Threshold V alue/Filter Threshol d, Background V alue/Background, Contrast %, and Threshold. The default settings are: Contrast% = 50 Threshold = 90 Color Filter = 175 Background = 245 If the values above [...]

A-61517 October 2004 2-12 Following is a list of Pantone colors which may be use d with the red, green and blue dropout opti ons. Red Dropout  Complete Dropout 100 U 129 U 155 U 177 U 1925 U 231 U 372 U 101 U 130 U 156 U 178 U 196 U 232 U 379 U 102 U 134 U 157 U Warm Red 197 U Rhodamine Red U 380 U Y ello w U 135 U 158 U 1765 U 198 U 236 U 386 U[...]

A-61517 October 2004 2-13 Green Dropout  Complete Dropout 100 U 1 13 U 1345 U 3375 U 374 U 387 U 396 U 101 U 1 14 U 155 U 351 U 375 U 388 U 3935 U 102 U 120 U 2706 U 352 U 379 U 389 U 3945 U Y ello w U 1205 U 317 U 365 U 380 U 393 U 3955 U 106 U 1215 U 3245 U 366 U 381 U 394 U 3965 U 107 U 127 U 331 U 372 U 382 U 395 U 108 U 134 U 332 U 373 U 38[...]

A-61517 October 2004 2-14 Image header information An image header is associated with eve ry image captured by the scanner . Following is a list of information available in the image header . Image length  size of the image dat a in bytes. Image identifier  indicates whether the imag e is front bi-tonal, rear bi-tonal, front color , rear colo[...]

A-61517 October 2004 2-15 Zone processing Zone processing is available on the i100 Serie s Scanners. Some applications have a requireme nt to store part of an image in color or grayscale and th e rest of the image in bi-tonal format (this saves stora ge space by not storin g the entire image in color or grayscale). Zone proce ssing is a fixed crop [...]

A-61517 October 2004 2-16 3. Setup the scanner to retrieve bi-tonal image s first. 4. Setup front bi-tonal for auto cropping. 5. Setup front color for relative cropping and define the appropriate area. 6. Enable the scanner and st art polling. Loop Read front bi-tonal image header Read bi-tonal image (will return full image) Read front color image [...]

A-61517 October 2004 3-1 3 Using the TW AIN Dat a Source Inst allation The TW AIN Dat a Source is included with the scanne r . Y ou can install the data source from the CD. 1. Insert the CD into the drive. 2. Follow the instructions on each screen as prompted. After inst allation is complete, inst all your application softwa re on the host PC. Afte[...]

A-61517 October 2004 3-2 1. Select St art>Run or select Programs>Kodak>Document Imaging>Scan V alidation T ool . Enter the filename or choose Browse to locate the ScanV alidation.exe file. 2. Select TW AIN for the Driver T ype and the Kodak Scanner i100 as the Driver . The Scan V alidation T ool dialog box will be displayed. 3. Double-c[...]

A-61517 October 2004 3-3 Scan V alidation T ool dialog box The Scan V alidation T ool dialog box allows you to verify scanner functionality through the TW AIN Data Source. Button Description Displays the user interface for the select ed driver either the ISIS Driver or T W AIN Data Source. Allows you to select the directory to store scanned images [...]

A-61517 October 2004 3-4 Button Description Opens the image viewer to display one image at a time. Opens the image viewer to displ ay two images at a time. Opens the image vie wer to display four images at a time. Opens the image viewer to display eight image s at a time. Display Every  enter the sampling rate of the images you wi sh to display [...]

A-61517 October 2004 3-5 Buttons on the Kodak Scanner Properties dialog box Following are descriptions of the butt ons located at the bottom of the dialog box. Default s  when y ou select Default s , the message Reset all values to factory defaults? will be displayed. Clicking Ye s will reset all values on all tabs to the factory default setting[...]

A-61517 October 2004 3-6 The Imaging t ab The Imaging tab allows you to define image processing values that can be applied to your scanner . Camera Selection box  list s the available si des (front and rear) of any document where you can define in di vidual image processing values. Y ou can select any individual camera (i.e., Front Color , Rear [...]

A-61517 October 2004 3-7 Scanning bi-tonal images The descriptions below are for scanni ng bi-tonal images only . Binarization  these settings ef fect the bi-tonal image. T wo of the options are iThresholding and Adaptive Thresholding. These options are applied to grayscale scanned imag es and output s a bi-tonal electronic image. Their strength[...]

A-61517 October 2004 3-8 When Adaptive Thresholding is selected , Contrast values may range from 1 to 100. Fixed thresholding A TP disabled A TP enabled Fixed Processing  used for black-and-white and o ther high contrast documents. A single level is set to determine the bla ck-and-white transition. The threshold is prog ramm able over the entire[...]

A-61517 October 2004 3-9 Noise Filter  occasional ly small dots or spe cks appear in the background of a scan ned image. The se specks increase file compression size and usually cont ain no image information. Using the Noise Filter on document s containing very fine detail (e.g., the dot on an "i" in 4-point type) may cause information[...]

A-61517 October 2004 3-10 Contrast %  sets the image contrast by adjusting the dif ference between black and white, thereby maki ng an image sharper or soft er . In a low-contrast setting, the dif ference between bla ck and white is small, so the image is softe r . In a high-contrast setting, the dif ference between black and white is large, so [...]

A-61517 October 2004 3-1 1 200 d pi; 80 Threshold; 20 Contras t 200 d pi; 80 Threshold; 100 Contras t Resolution or dot s per inch (dpi)  indi cates the scanning resoluti on, which largely determine s the quality of the scanned image. The greater the resolution, the better the reprod uction. However , scanning at a higher resolution also increas[...]

A-61517 October 2004 3-12 Polarity  the host computer provides information to the scann er defining whether the image should be stored in st andard or reve rse polarity . The default polarity is Black on a White background. Reve rse polarity is White on a Black background. Black on White polarity White on Black polarity Color T able  Not appl[...]

A-61517 October 2004 3-13 Scanning color images The descriptions below are for scanni ng color images only . Resolution or dot s per inch (dpi)  indi cates the scanning resoluti on, which largely determine s the quality of the scanned image. The greater the resolution, the better the reprod uction. However , scanning at a higher resolution also [...]

A-61517 October 2004 3-14 Paper Source  provides the following option: • ADF: select this option wh en using the scanner in co ntinuous feed mode. Calibrate  calibratio n optimizes the o ptical system in y our scanner in order to achieve the best overall qu ality of scanned images. Freq uent calibration is not needed or recommended. When Ca[...]

A-61517 October 2004 3-15 Scanning grayscale images The descriptions below are for scannin g grayscale images only . Resolution or dot s per inch (dpi)  indi cates the scanning resoluti on, which largely determine s the quality of the scanned image. The greater the resolution, the better the reprod uction. However , scanning at a higher resoluti[...]

A-61517 October 2004 3-16 Convert Color to Gray sc ale  enable this option when you want the captured image to be 8-bit grayscale in stead of 24-bit color . Paper Source  provides the following option: • ADF: select this option wh en using the scanner in co ntinuous feed mode. Calibrate  calibratio n optimizes the o ptical system in y ou[...]

A-61517 October 2004 3-17 The Paper t ab The Paper tab allows you to define valu es relating to image output (i.e., cropping values, rot ation, paper size and units of measure). Camera selection box  list s the available sides of an image that you can define individual image pro cessing values. The display window on the right will display the cr[...]

A-61517 October 2004 3-18 Cropping values Cropping allows you to capture a po rtion of the document being scanned. Y ou can define the cropping area by the x and y of fset values, width and len gth. Cropping options can be used inde pendently with color/grayscale and bi-tona l images and are also front/rear indepe ndent. Only one cropping option ca[...]

A-61517 October 2004 3-19 Enter the x and y offset which d efines the upper left corner of the zone relative to the upper lef t corner of the desired document. Enter the length and width of the zone to be captured. Original Bi-tonal image Relative to Document Y ou can enter the desired v alues in the fields or use the arro w keys to define the desi[...]

A-61517 October 2004 3-20 Automatic Deskew  select this option to automatically de skew a document within ±0.3 degrees of the document’ s leading edge. This option is not available when you have Fixed to T ransport cropping selected. Automatic Deske w is always enabled when usin g Aggressive or Relative to Document cropping. NOTE: T o prevent[...]

A-61517 October 2004 3-21 Overscan values Overscan allows you to add a spec ified value (inches/mm) before and after the edge of the image. Oversca n values can be applied to the top and bottom of an image and/or the lef t and right of an image. Overscan is used in applications where auto m atic feeding of excessively skewed documents is likely . O[...]

A-61517 October 2004 3-22 The Compression t ab The Compression ta b allows you to compress image f iles. Camera Selection box  list s the available sides (Front Colo r , Rear Color , etc.) of an image th at you can define individ ual image proces sing values. For more information about the se selections, see the section entitled “Image outputs[...]

A-61517 October 2004 3-23 The following color/grayscale co mpression options are available: • JPEG  JPEG compression of fers a JPEG quality of Draf t , Good, Better , Best, Superior . • Draft : small est file size with draft imag e quality • Good : larger file size with good image quality • Better : larger file size with better image qua[...]

A-61517 October 2004 3-24 The Dropout t ab Electronic Color Dropout is used to eliminate a form’ s background so that a document management system may automatically (through OCR and ICR technology) read pertinent dat a without interference from the lines and boxes of the form. The i100 Series Scanners can dropout either red, green or blue. The Dr[...]

A-61517 October 2004 3-25 Background  this value will be substituted in the grayscale (pre-thresholded) image fo r the color being removed. Therefore, this value should be higher than the threshol d value selected on the Imaging tab for this pixel to becom e the background color . For example, if you are scanning a white docu ment with a green f[...]

A-61517 October 2004 3-26 The Multifeed t ab Multi-feed Detection aids in document proces sing by detecting documents th at may go through the feeder overlapped . Multi-feeds can occur due to stapl ed document s, adhesives on document s, or electrostatically charg ed document s. Multi-feed Detection combine s ultrasonics (amplitude and pha se) with[...]

A-61517 October 2004 3-27 Document Ultrasonic Monitor  controls how aggressively the scanner will work to deter mine if more than one document is fed into the transport. Multi-feeds are trigge red by detecting air gap s between documents. This allo ws multi-feed detection to be used with applications containin g document s with mixed thicknesses[...]

A-61517 October 2004 3-28 The Options t ab The Options tab allows you to set Image T ransfer and T ransport control. Image T ransfer Order  if you are using simult aneous output scanni ng (bi-tonal and color/grayscale) for ei ther side, this option cont rols the order in which the scanner returns im ag e data. For example, if you are scanning co[...]

A-61517 October 2004 3-29 The Setup t ab The Setup tab allows you to download firmware and set the sca nner clock. Th e Setup tab is o nly available when running the Scan V alidation T ool, via the TW AIN Data Source. Package  the scanner firmwa re runs your Kodak i100 Series Scan ner . The value displayed in the Current field is the version of [...]

A-61517 October 2004 3-30 The Info t ab The Info tab allows you to have acce ss to the Scanner Data. Info  shows the followi ng information about your scanner: Scann er Model, Serial Number , Firmware Revisio n, Accessories, Date/T ime, Power-On, Lamp, First Scan, T otal Pages scanned and the Name and Company of the pe rson who install ed the sc[...]

A-61517 October 2004 4-1 4 Using the ISIS Driver Inst allation The ISIS driver is included with the scanner . Y ou can install the d river from the CD. 1. Insert the CD into the drive. 2. Follow the instructions on each screen as prompted. After inst allation of the driver is compl ete, install your application software on the host PC. After your a[...]

A-61517 October 2004 4-2 2. Select the ISIS driver for th e Drive T ypes and the Kod ak Scanner i160 as the Driver . The Scan V alidation T ool dialog box will be displayed. NOTE: If you are using the TWAIN Dat a Source go to Chapter 3. 3. Double-click the Scanner icon. The Setup dialog box will be displayed: 4. Select the compression value for eac[...]

A-61517 October 2004 4-3 Scan V alidation T ool dialog box The Scan V alidation T ool dialog box allows you to verify scanner functionality through the ISIS driver . Button Description Displays the user interface for the select ed driver either the ISIS driver or TW AIN Data Source. Allows you to select the directory to store scanned images and the[...]

A-61517 October 2004 4-4 Button Description Opens the image viewer to display one image at a time. Opens the image viewer to displ ay two images at a time. Opens the image vie wer to display four images at a time. Opens the image viewer to display eight image s at a time. Display Every  enter the sampling rate of the images you wi sh to display [...]

A-61517 October 2004 4-5 Scanner Settings dialog box The section provides a description of the Scanne r Settings dialog box. This main dialog box provides hi gh-le vel access to the functionality of the scanner giving you the ability to control the charac teristics of all possible imaging combinati ons. NOTE: For the purpose of this manual, all dis[...]

A-61517 October 2004 4-6 Buttons on the Scanner Settings dialog box Following are descriptions of the butt ons located at the bottom of the dialog box. More  displays the More Scan ner Settings dialog box. This dialog box provides additional image pro cessing settings unique to i100 Seri es Scanners. Area  displ ays the Scan Area dialog box. [...]

A-61517 October 2004 4-7 Calibrate  calibratio n optimizes the o ptical system in y our scanner in order to achieve the best overall qu ality of scanning images. Frequent calibration is not necessary or recomme nded. T o calibrate the scanner: 1. Click Calibrate . The following message is displayed: 2. Place the 12- x 12-inch calibration target [...]

A-61517 October 2004 4-8 Camera settings are a The selections in the Camera a rea list the available sides (front and back) of an image where you can defin e individual image processing values. Options include: Front Color , Front Binary , Back Color and Back Binary . For more information about the Camera selections see the section entitled, “Ima[...]

A-61517 October 2004 4-9 Image Processing settings The other options on this di alog box allow you to define image processing values that can be appli ed to your scanner . Scan Source  the host computer provides info rmation to the scanner defining whether to scan one or b oth sides of the document. Simplex indicates that only one side (front si[...]

A-61517 October 2004 4-10 Binarization  the following descripti ons are for binary images only . T wo of the options are iThresholding an d Adaptive Thresholding. These options work on grayscale scanned images a nd outputs a bi-tonal electronic image. Their strength lies in the ability to separate the foreground information from the bac kg round[...]

A-61517 October 2004 4-1 1 When Adaptive Thresholding is selected , Contrast values may range from 1 to 100. A Contrast value of 100 is considered fully adaptive thresholding. Fixed thresholding A TP disabled A TP enabled • Dithering  a method used to simulate gray levels. When selected, the Dithering options are available. – 64-Level Bayer [...]

A-61517 October 2004 4-12 Cropping  allows you to capture a portion of the document bein g scanned. All cropping options can be u sed with color/grayscale and binary images. Front and Rear croppin g are independent, however , for simultane ous output scanning color/g rayscale and binary croppi ng must be the same per side. Onl y one cr opping op[...]

A-61517 October 2004 4-13 This option may be used in conju nction with auto cropping where a separate colo r or binary area to be sa ve d is desired. It is very usefu l in applications where a photograph, signature, embossment or se al appears in a consistent area for an appl ication (you may want that small area in color and the re st in binary). [...]

A-61517 October 2004 4-14 Page layout The Page Layout area allows you to sel ect paper size and viewi ng orientation. The default paper size is set when a scanner is first selected. Y ou can choose a dif ferent paper si ze using the drop-down list box. Use Scanner ’ s Maximum to enable auto cropping. The Page Layout selections also appea r on the[...]

A-61517 October 2004 4-15 • Manual  is always selected for bina ry images. Adjust the contr ast setting by dragging the Contrast slidin g bar to the left or right to achieve the desired contra st setting. Scan the document to check the contrast. • Automatic  not avail able for i100 Series Scanners. Threshold  thresholding is used to co[...]

A-61517 October 2004 4-16 More Scanner Settings dialog box Additional image processing value s unique to the i100 Series Scanners are available when you choose More on the Scann er Settings dialog box.[...]

A-61517 October 2004 4-17 Camera settings are a The selections in the Camera a rea list the available sides (front and back) of an image where you can defin e individual image processing values. For more information about the Camera sel ections see the section entitled, “Image output s” in Chapter 1. When startin g the configuration pr ocess, u[...]

A-61517 October 2004 4-18 JPEG Quality  JPEG compression of fers a JPEG quality of Draf t , Good, Better , Best and Superior . • Draf t  gives you the smallest file si ze with draft image qu ality . • Good  gives you the smallest file size with good image quality . • Better  gives you a larg er file size with better image quality [...]

A-61517 October 2004 4-19 Polarity  the host computer provides information to the scanner defining whether the image should be stored in st andard or reve rse polarity . The default polarity is Black on a White background. Reve rse polarity is White on a Black background. Black on White polarity White on Black polarity[...]

A-61517 October 2004 4-20 Noise Filter Occasionally small dot s or specks appe ar in the background of a scanned image. These specks increase file compression size and usually contai n no image information. Using the Noise Filter on documents cont aining very fine det ail (e.g., the dot on an "i" in 4-point type) may cause information to [...]

A-61517 October 2004 4-21 Color Dropout Electronic col or dropout is used to eliminate a form’ s background so that a document management system m a y automatically (through OCR and ICR technology) read pertinent dat a without interference from the lines and boxes of the form. Y o u can select the desired dropout col or , and alter the filter thr[...]

A-61517 October 2004 4-22 Scanner Control dialog box When you select the Scanner Co ntrol button on the More Scanner Settings dialog box, the Scanner Cont rol dialog box wi ll be displayed. This dialog box allows you to set multi-feed detection, Energy Saver values and transport timeo ut. The settings in this dialog box do n ot affect the quality o[...]

A-61517 October 2004 4-23 Setting Multi-feed detec tion Multi-feed Detection aids in document proces sing by detecting documents th at may go through the feeder overlapped . Multi-feeds can happen due to st apled document s, adhesives on docu ments, or electrostatically charg ed document s. Multi-feed Detection combine s ultrasonics (amplitude and [...]

A-61517 October 2004 4-24 Ultrasonic Detection Sensitivity  controls how aggre ssively the scanner will work to deter mine if more than one document is fed into the transport. Multi-feeds are trigge red by detecting air gap s between documents. This allows multi-feed detect ion to be used with job sets containin g document s with mixed thickness[...]

A-61517 October 2004 4-25 Defining the Scan Area The Scan Area dialog box is only available for images whe n the Cropping option selecte d on the Scanner Settings dialog box is either Fixed to T ransport cropping or Relative T o Document cropping. NOTE: Select the side and image to be define d by highlighting Front Color , Front Binary , Front Gray[...]

A-61517 October 2004 4-26 Page size and layout  the default paper size is set when a scanner is first selected. Y ou can choose a dif ferent p aper size using the drop-down list box. NOTE: The Page Size and Page Layout selectio ns also appear on the Scanner Settings dialog box. If you make a change on the Sca n Area dialog box, the same selectio[...]

EASTMAN KODAK COMP ANY Document Imaging Rochester , New Y ork 14650 Kodak is a trademark of Ea stman Kodak Company . Printed on recy cled paper . A-61517 10/04  Eastman Kodak Company , 2004 .[...]