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i100 Series Scanners
Image Processing Guide
User’s Guide
A-61517
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ISIS is a registered trademark of Pixel Translations, a division of Input Software, Inc. Windows and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.
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1 Introduction Kodak i100 Series Scanners The Kodak i100 Series Scanners are low-volume production scanners which include image processing technology, can improve image quality and sometimes make the reproduction better than the original. You can use the applications based on the ISIS Driver or TWAIN Data source to enable image processing (both are available on the CD included with the scanner). Kodak Capture Software is also available as a choice for your scanning application. O
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This manual provides the following: About this manual Chapter 1, Introduction includes a brief summary of the Kodak i100 Series Scanners, a list of features available for each scanner and the support drivers. Chapter 2, Best Practices includes information to use when setting up applications, recommendations on how to handle jam recoveries, controlling print strings, electronic color drop-out and much more. Chapter 3, Using the TWAIN Data source information on using the dialog box
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i100 Series Scanners can return bi-tonal, grayscale or color images to Image outputs the host. Below is a description of the valid combinations. The i150 Scanner is a simplex scanner. This means that only one side of the document may be captured. The i160 Scanner is a duplex scanner. This means both the front and the rear side of each document may be captured. For each side captured, the scanner can be configured to return either one or two images per side: • Single output (one image p
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These image files can be controlled through 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 simultaneous output where all four images are returned to the host would create the following four files: • Front grayscale: FG.jpg. This image file represents the contents of the front side of the document using 8-bits per pixel. • Front bi-tonal/binary: FB.tif. This image file represents the contents
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These image files can be controlled through the application independently. FG.jpg (front FB.tif (front RG.jpg (rear RB.tif (rear grayscale) bi-tonal/binary) grayscale) bi-tonal/binary) A-61517 October 2004 1-5
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2 Best Practices This chapter provides you with recommendations for program logic, which will allow you to interact efficiently with the i100 Series Scanner. This high-level information is not intended to be used as a programming guide. The following information is provided in this chapter: • Basic image capture • Controlling image transfer order – switching between color/grayscale and bi-tonal • Jam recovery • Image file storage locations • Bar code recognition • Controlling print
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Scanner setup To setup the scanner: 1. Setup your scanner operating conditions: • simplex/duplex • image order • transport timeout • transport timeout response • length detection status and response • multi-feed detection status and response • page-on-demand or batch count mode • starting document count • Energy Star timeout • confirmation tone For information on programming these conditions, see Chapters 3 or 4 (depending on your driver). For other vendor tool kits, refer to their
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Enable scanning The host must issue a Scan command to enable scanning before documents can be transported through the scanner. If scanning has not been enabled, the feeder and transport system will not turn on. Initiate polling Initiate host system polling of the scanner to ensure scanned document images are transferred from the image buffer to the host system. Polling should continue until scanning is disabled. For more information see the sections entitled, “Controlling image transfer o
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Error handling The scanner recognizes and reports a variety of error conditions. Some errors are reported to the host (via the 1394 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 current or deferred error. A current error results from a problem in processing the current scanner command. This can include sending an invalid command, trying to read from an empty image buffer, or an
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This section provides job stream examples which can be used in Controlling image scanning applications. transfer order The host application is responsible for determining the order in which the scanner returns images. Front images must always be retrieved before rear images. Single output This job stream is available for i160 Scanners. bi-tonal only duplex 1. Prepare documents. 2. Start the scanner to do bi-tonal duplex scanning (front bi-tonal and rear bi-tonal). 3. Setup the scann
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Single output This job stream is available for i160 Scanners. grayscale only duplex 1. Prepare documents. 2. Start the scanner to do grayscale duplex scanning (front grayscale and rear grayscale). 3. Setup the scanner to retrieve grayscale images. 4. Enable the scanner and start polling. Loop Read front grayscale image header Read front grayscale image Read rear grayscale image header Read rear grayscale image End loop Simultaneous output This job stream is available for i160 Sca
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Simultaneous output This job stream is available for i160 Scanners. bi-tonal and grayscale 1. Prepare documents. duplex 2. Start the scanner to do simultaneous output bi-tonal and grayscale duplex scanning (front bi-tonal, front grayscale, rear bi-tonal, rear grayscale). 3. Setup the scanner to retrieve bi-tonal images first. 4. Enable the scanner and start polling. Loop Read front bi-tonal image header Read front bi-tonal image Read front grayscale image header Read front graysca
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Single output This job stream is available for all i100 Series Scanners. color only simplex 1. Prepare documents. 2. Start the scanner to do color scanning. 3. Setup the scanner to retrieve color images. 4. Enable the scanner and start polling. Loop Read front color image header Read front color image End loop Single output This job stream is available for all i100 Series Scanners. grayscale only simplex 1. Prepare documents. 2. Start the scanner to do grayscale scanning. 3. Setu
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Simultaneous output This job stream is available for all i100 Series Scanners. bi-tonal and grayscale 1. Prepare documents. simplex 2. Start the scanner to do simultaneous output bi-tonal and grayscale scanning (front bi-tonal, front grayscale). 3. Setup the scanner to retrieve bi-tonal images first. 4. Enable the scanner and start polling. Loop Read front bi-tonal image header Read front bi-tonal image Read front grayscale image header Read front grayscale image End loop This se
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This section provides general recommendations regarding the impact Image file storage of image file storage locations on the overall throughput of the scanner. locations Depending upon your application, you can receive up to four image files per document. Decisions about where to write these files when retrieving them could impact the overall throughput of the scanner. In order to prevent overwriting data the scanner stops feeding paper when the internal image buffer is almost full. Sca
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When using Adaptive Threshold Processing, there are four imaging parameters which effect electronic color dropout: Threshold Value/Filter Threshold, Background Value/Background, Contrast %, and Threshold. The default settings are: Contrast% = 50 Threshold = 90 Color Filter = 175 Background = 245 If the values above do not give you the desired results, you may need to vary these values accordingly. When using iThresholding, there are three imaging parameters which effect electronic
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Following is a list of Pantone colors which may be used with the red, green and blue dropout options. 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 Rhodamine Red U 102 U 134 U 157 U Warm Red 197 U 380 U Yellow U 135 U 158 U 1765 U 198 U 236 U 386 U 106 U 136 U 1555 U 1775 U 199 U 237 U 387 U 107 U 137 U 1565 U 1785 U 203 U 238 U 393 U 108 U 1345 U 1575 U 1788 U 204 U 239 U 394 U 109 U 1355 U 1585 U 1767 U 205 U
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Green Dropout Complete Dropout 100 U 113 U 1345 U 3375 U 374 U 387 U 396 U 101 U 114 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 Yellow 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 386 U Green Dropout Near Complete Dropout 121 U 2975U 318 U 324 U 3242 U 344 U 358 U 148 U 304 U Blue Dropout Complete Dropout 100 U 256 U 2716 U 284 U 298
