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3.6.1 Barcode Detection

This image filter recognizes the barcodes in the scanned images. Refer to the scanning application’s
operating manual how to use the barcode. If the barcodes cannot be recognized properly, the quality of the
scanned images can be improved by using another image filter, examples of which are given in Table 9,
"Example of Image Filters with Descriptions".

In order to obtain the ideal image quality and speed for barcode detection, it is recommended that the
settings of the image filters be adjusted while scanning a test document.

Property

Description

Deskew

Straightens out the image skew

Noise Removal

Reduces the image noise

Line Removal

Restores the barcode lines

Smooth

Smooths out the barcode lines

Table 9: Example of Image Filters with Descriptions

Barcode Property

Description

Symbologies to
check

If the barcode type is known ahead of time, clear the check boxes at the
sides of the barcode types which will not be used. The fewer barcodes
selected, the faster the processing.

Orientation

When Horizontal or Vertical is selected, barcodes inclined less than 15
degrees from the horizontal or vertical are detected. Use Diagonal to
recognize barcodes inclined at a greater angle.

Vertical barcodes are

detected slightly more slowly. Recognizing inclined barcodes adds
additional processing time. If the barcode orientation is known ahead of
time, the processing speed is improved by selecting only the required
orientation. Conversely, if the barcode orientation is not known, all the
orientations must be selected.

Decode Symbol

The data does not appear as ASCII character strings with some barcode
types such as Code128. Special characters are used for Code39 and other
barcode types. When the

Decode Symbol

check box is selected, the data

of these barcodes is changed into readable ASCII character strings.

Note:

It is recommended that Decode be enabled unless it is clear that the

barcode detection results must not be converted into ASCII character
strings.

Table 10: Barcode Properties and Descriptions

«
...
37
38
39
40
41
...
»

Содержание Tr?per

Страница 1: ...Trūper Advanced Features Manual Color Scanner Part Number S006078 Rev B ...

Страница 2: ...cation may be reproduced distributed modified displayed transmitted stored in a retrieval system or translated into any human or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of the copyright owner Bowe Bell Howell Scanners L L C 760 South Wolf Road Wheeling IL 60090 6232 USA Bowe Bell Howell S...

Страница 3: ...0 406 Fax 44 1784 410 303 Technical Support 44 1784 410 207 In Asia China No 2 room 601 Tower W3 Oriental Plaza No 1 East Chang An Ave Dong Cheng Dist Beijing 100738 China PRC Telephone 86 10 85181839 Fax 86 10 85181839 In Asia Malaysia 1005 Level 10 Block B Phileo Demansara 1 9 Jalan 16 11 Petaling Jaya 46350 Malaysia Telephone 60 3 7662 3353 ...

Страница 4: ... ImageControls are registered trademarks of Kofax Image Products ISIS and PixTools are registered trademarks of Pixel Translations a division of Captiva Software Corporation Adobe Acrobat and Reader are registered trademarks of Adobe Systems Incorporated Pentium is a registered trademark of Intel Corporation USB is a registered trademark of the USB Implementers Forum Trūper is a registered tradema...

Страница 5: ... the Operator Manual In this location you can deskew straighten an image before saving the document Names of files directories folders paths windows dialog boxes Web pages URLs and e mail addresses These items appear in normal typeface Examples Run the setup exe to start installation software To view our Website go to www bbhscanners com References to sections of documents and citations of message...

Страница 6: ...eed 15 2 3 3 Feeding Speed 15 2 3 4 Single Color Dropout 15 2 3 5 Multiple Colors Dropout 15 2 3 6 Manual Feed Mode 16 2 3 7 Time Out 16 2 4 Other Settings 17 2 4 1 Side 17 2 4 2 White Level From Paper 18 2 4 3 Automatic Separation 18 2 4 4 Binary Dynamic Threshold 18 2 4 5 Color Matching 18 2 4 6 Dither Q 18 2 4 7 Gamma 19 2 4 7 1 Creating Gamma Pattern Files 20 2 4 8 Image Processing 20 2 4 9 No...

Страница 7: ...10 Paper Source 30 3 2 More Settings 31 3 2 1 Side 31 3 2 2 Detect Double Feed 31 3 2 3 Feeding Speed 32 3 2 4 Single Color Dropout 32 3 2 5 Multiple Color Dropout 32 3 2 6 Manual Feed Mode 32 3 2 7 Time Out 32 3 3 Other Settings 33 3 4 Scan Area 34 3 4 1 Select Setting Side 34 3 4 2 Page Size 35 3 4 3 Page Layout 35 3 4 4 Feed 35 3 4 5 Area 35 3 5 Sub Area 36 3 5 1 Side 36 3 5 2 Dither 37 3 5 3 B...

Страница 8: ... 3 6 14 Smoothing 45 4 Using Adobe Acrobat with the TWAIN Driver 46 4 1 Kofax VRS Properties 47 4 1 1 Source 47 4 1 2 Resolution DPI 47 4 1 3 Paper Size 47 4 1 4 Color Mode 48 4 1 5 Orientation 48 4 1 6 Simplex Duplex 48 4 2 Advanced Properties 48 ...

Страница 9: ...ted in this manual For information on the properties not explained in this manual refer to your application s user manual This guide assumes the following A Trūper scanner is properly installed VRS software is installed Either VRS VRS TWAIN or VRS ISIS drivers are installed You have previous experience using scanners and scanner applications You have a moderate to advanced skill level using scanne...

Страница 10: ... on the Imaging Menu on page 22 2 6 Image Filters using VRS Adjustment Controls on page 24 Â Note For detailed information on using the functionality described in this section refer to your application s user manual To select the VRS driver 1 Select Scanner from the Source menu 2 Click Bowe Bell Howell 3200 with SVRS from the Select Scan Source drop down list and then click the OK button The scann...

Страница 11: ...DF and Duplex are selected both sides of the document are scanned but the top loaded side is output to the PC first followed by the back side 2 1 2 Destination This property is not available with BBH scanners 2 1 3 Resolution DPI This function specifies the resolution DPI dots per inch for the main and subdocument scanning parameters The available resolution setting ranges are 100 to 600 dpi The t...

Страница 12: ...ds to the documents length If for instance Length Control is not selected when A4 and A5 width documents are scanned continuously the documents with the A5 width will also be scanned in the A4 size and the roller will be scanned for the parts corresponding to their bottom halves Conversely if Length Control is selected and A4 documents and A5 width documents are scanned in the same session the A4 ...

Страница 13: ... document are scanned but the top loaded side is output to the PC first followed by the back side 2 2 Advanced Settings The Advanced Settings window allows you to set the page layout and which edge of the document will be fed to the scanner To view the Advanced Settings window 1 Select Advanced Properties from the Source menu 2 Select Scanner Driver Settings from the Tools menu The Advanced Settin...

Страница 14: ...r bottom and Landscape right or left 2 3 More Settings The More Settings window allows you to specify feeding features such as detecting double feed errors and the intensity in which they are identified scanning speed and color options To view the More Settings window 1 Select Advanced Properties from the Source menu 2 Select Scanner Driver Settings from the Tools menu 3 Click the More button on t...

Страница 15: ...r of scanned image sheets When scanning a document containing paper in different sizes double feed can be detected when this function is selected 2 3 3 Feeding Speed There are two settings for the Feeding Speed Slow and Normal It is recommended that you select Slow when scanning thin paper badly creased paper fragile paper etc In this mode documents are fed at about one half of the speed as in the...

Страница 16: ...t a time Each time a page is inserted into the ADF Automatic Document Feeder it is automatically scanned Start Button When documents are placed in the ADF Automatic Document Feeder press the START STOP button to begin scanning Once all documents have been scanned the scanner returns to the wait status When placing another batch of documents in the ADF Automatic Document Feeder scanning begins agai...

Страница 17: ...g features and more To view the Other Settings window 1 Select Advanced Properties from the Source menu 2 Select Scanner Driver Settings from the Tools menu 3 Click the More button on the Advanced Settings window 4 Click the Other button on the More Settings window The Other Settings window appears 2 4 1 Side For information on the Side property refer to your application s user manual ...

Страница 18: ...rop Deskew or Margin This function cannot be used in the Color mode 2 4 3 Automatic Separation This function enables the scanner to automatically differentiate between text areas and photo areas and scan them accordingly Text areas are scanned in the Binary mode whereas photo areas are scanned using the Dither halftone pattern specified in 3 1 3 1 Custom Dither Halftone Patterns on page 28 Â Note ...

Страница 19: ...iles on page 20 2 Click the Download button and select the gamma pattern file PXG 3 Select the pattern files by clicking the Binary Gray Red Blue or Green button In the case of color the pattern files must be set for Red Blue and Green Normal This is the most common setting used when scanning business documents For CRT This is the recommended setting if the primary objective of scanning documents ...

Страница 20: ...etect Control Sheet For information on the Detect Control Sheet property refer to the VRS User s Manual 2 4 11 Skip Control Sheet For information on the Skip Control Sheet property refer to the VRS User s Manual 2 4 12 JPEG Quality For information on the JPEG Quality property refer to the VRS User s Manual 2 4 13 Image Features For information on the Image Features properties refer to the VRS User...

Страница 21: ...ngth Control function has the same functionality as the Auto Length Detection function However setting the Length Control function here overrides the Auto Length Detection function previously set 2 4 16 Detect Paper Width When Detect Paper Width is used the Size and Page Layout specified in Page Size settings are ignored and the scanner sets the page size as determined by the paper guide position ...

Страница 22: ...the Select Scan Source drop down list and then click the OK button The scanner resets the flatbed to the home position When the icons on the toolbar become active you are ready to begin 3 Select the desired property from the Imaging menu 2 5 1 Barcode Detection This image filter recognizes the barcodes in the scanned images Refer to the scanning application s operating manual how to use the barcod...

Страница 23: ...manual or the VRS User s Manual Property Description Types section If the barcode type is known ahead of time clear the check boxes at the sides of the barcode types which will not be used The fewer barcodes selected the faster the processing Patch Code The data does not appear as ASCII character strings with some barcode types such as Code128 Special characters are used for Code39 and other barco...

Страница 24: ...scanner resets the flatbed to the home position When the icons on the toolbar become active you are ready to begin 3 Select Advanced Properties from the Source menu 4 Select Scanner Driver Settings from the Tools menu The VRS Adjustment Control window appears 2 6 1 Brightness and Contrast The Brightness function adjusts the image brightness There are 3 preset modes Darken Normal and Lighten When t...

Страница 25: ...en noise is removed from the text areas the dots over the letters i and j and other information may also be removed in error To correct this select a value larger than the gap between the dots and other parts for the minimum gap setting Â Note When the Noise Removal and Crop functions are applied to the same image better results are yielded when Noise Removal is applied first In order to obtain th...

Страница 26: ...gs on page 27 3 2 More Settings on page 31 3 3 Other Settings on page 33 3 4 Scan Area on page 34 3 5 Sub Area on page 36 3 6 Image Filters on page 37 Â Note For detailed information on using the functionality described in this section refer to your application s user manual To select the ISIS driver 1 Select Select Scanner from the Scan menu 2 Click Bowe Bell Howell 3200 from the Select Scan Sour...

Страница 27: ...ode drop down list provides multiple scanning modes Table 6 Mode Options and Descriptions lists the available mode options and their descriptions Mode Description Black and White Bitonal image is threshold to either black or white 256 Level Gray High quality image large file size image is threshold to 256 shades of gray 24 bit Color High quality image large file size image is threshold to 24 bit c...

Страница 28: ...wnload option to select a customized dither pattern For information on creating custom dither patterns refer to the next section 3 1 3 1 Custom Dither Halftone Patterns on page 28 3 1 3 1 Custom Dither Halftone Patterns Using the ISlS driver the Halftone dither patterns can be customized This function specifies the DPI dots per inch for the main and subdocument scanning parameters The available re...

Страница 29: ...n how to set the scanning brightness automatically in the Black and White mode refer to 2 4 4 Binary Dynamic Threshold on page 18 There are independent back and front side settings for the brightness 3 1 5 Contrast The Contrast function sets the contrast between black and white images When using a Dither Halftone pattern or Grayscale or Color mode the values between dithers and contract are intera...

Страница 30: ...ng the page size initializes the Scanning Area and Sub Area Complete the settings before selecting these items If Automatic Crop or Detect Paper Width has been set the page size cannot be set or the setting becomes invalid 3 1 9 Feed The Feed section allows you to choose which edge of the document is to be fed first in the ADF Automatic Document Feeder the choices are Portrait top or bottom and La...

Страница 31: ... of more than one sheet at a time Ultrasonic waves are aimed at the document to detect double feed by the level at which the waves pass through the sheets This function can detect double feed even when sheets are superimposed exactly on top of each other but it may not detect properly with some paper thicknesses and when creasing and other factors are present The default for Detect Double Feed is ...

Страница 32: ...pi the paper is fed at the same speed as in the Normal mode even if the Slow mode has been specified This function cannot be used with flatbed scanning 3 2 4 Single Color Dropout For information on the Single Color Dropout property refer to the Trūper Operator Manual 3 2 5 Multiple Color Dropout For information on the Single Color Dropout property refer to the Trūper Operator Manual 3 2 6 Manual F...

Страница 33: ...nning preferences To modify the More Settings window 1 Select Preview Settings from the Scan menu 2 Click the More button on the Preview Settings window 3 Click the Other button on the More Settings window The Other Settings window appears Refer to 2 4 Other Settings on page 17 for detailed information about this window ...

Страница 34: ... The scanning area function cannot be used at the same time as Automatic Crop Deskew Margin Detect Paper Width Control Sheet or Length Control In the case of duplex scanning only X can be set separately for the front and back To access the Scan Area window 1 Select Preview Settings from the Scan menu 2 Click the Area button on the Preview Settings window The Scan Area window appears 3 4 1 Select S...

Страница 35: ...etting the Page Layout also determines how the documents are saved The choices are Portrait and Landscape Â Note Changing the page size initializes the Scanning Area and Sub Area Complete the settings before selecting these items If Automatic Crop or Detect Paper Width has been set the page size cannot be set or the setting becomes invalid 3 4 4 Feed The feed section allows you to choose which edg...

Страница 36: ...sed only when Image Type is set to the Black and White Bitonal mode It cannot be used when Margin Detect Paper Width Dynamic Threshold Automatic Separation Automatic Crop Deskew or Noise Reduction have been set Even if it can be set the setting is ignored Only one type of Halftone dither pattern can be configured Three areas can be specified for each scanning side To access the Scan Area window 1 ...

Страница 37: ...n s user manual Filter Description Barcode Detection Recognized barcodes Border Removal Removes the black areas around the images Crop Removes the white areas around the images Deskew Corrects the skew Dilation Makes the characters thicker etc Erosion Makes the characters finer etc Halftone Removal Removes the halftones Hole Removal Removes the images of punched holes Image Scaling Enlarges or red...

Страница 38: ...ers list box 6 If the Configure button is enabled click it to adjust the filter s settings For more detailed information on the available filters refer to the Image Filter help or the application s user manual To remove image filters in QuickScan 1 Click New Batch on the Scan menu The New Batch window appears 2 Select a profile from the list and then click the Add button 3 Click the Image Processi...

Страница 39: ...the sides of the barcode types which will not be used The fewer barcodes selected the faster the processing Orientation When Horizontal or Vertical is selected barcodes inclined less than 15 degrees from the horizontal or vertical are detected Use Diagonal to recognize barcodes inclined at a greater angle Vertical barcodes are detected slightly more slowly Recognizing inclined barcodes adds additi...

Страница 40: ...r to 3 6 9 Noise Removal on page 43 3 6 3 Dilation This image filter enlarges the black areas When it is used the image quality and legibility of the text are improved Property Description Number of passes Input the number of times the Dilate image filter is to be applied When this number is increased the text and patterns appear thicker Normally a setting of 1 is sufficient Diagonal The four pixe...

Страница 41: ...e plates Â Note Punched holes are not removed unless they are neatly round If text is superimposed on the punched holes the holes are not removed Depending on the images to be scanned the Hole Removal function may not work properly 3 6 7 Invert Image This image filter converts the white pixels into black pixels and vice versa Property Description Number of passes Input the number of times the Erod...

Страница 42: ...ng of the horizontal and vertical lines Straight line algorithm This setting is for detecting straight lines When used the ability to detect straight lines is improved When this check box is selected the minimum length maximum gap and curvature settings are ignored Min Length The minimum length to be detected is specified here Inches millimeters or points can be used as the unit for the setting In...

Страница 43: ...t The maximum height of what is to be considered as noise is set here Inches millimeters or points can be used as the unit for the setting Input mm or pt after the number respectively A fraction such as 1 1 00 can also be specified as the number Max width The maximum width of what is to be considered as noise is set here Inches millimeters or points can be used as the unit for the setting Input mm...

Страница 44: ... the image width and height are specified the image size is changed accordingly while retaining its original width to height ratio If the width to height ratio specified differs from the image s original width to height ratio the image size is changed to the maximum size that the width to height ratio can be retained within the specified width and height Even when the image size is changed using t...

Страница 45: ... they are compressed with no accompanying loss of image information Property Description Trim First The black pixels are processed before processing the white pixels Corner Black The protruding black pixels in the corners are removed Corner White The protruding white pixels in the corners are removed Note The pixel processed is the one which is surrounded by five or six pixels with the opposite co...

Страница 46: ...information on using the functionality described in this section refer to your application s user manual This section is for use with Adobe Acrobat 7 0 Standard To select the TWAIN driver 1 Open Adobe Acrobat 2 Select Create PDF from the File menu and then select From Scanner The Create PDF from Scanner window appears For information on the properties in this window refer to 3 1 Preview Settings o...

Страница 47: ... document are scanned but the top loaded side is output to the PC first followed by the back side 4 1 2 Resolution DPI This function specifies the resolution DPI dots per inch for the main and subdocument scanning parameters The available resolution setting ranges are 100 to 600 dpi The typical dpi setting is 200 for bitonal documents and 150 for color documents When the resolution is increased th...

Страница 48: ...t followed by the back side 4 2 Advanced Properties If you have VirtualReScan VRS installed on your computer you can set advanced features such as noise reduction skewing brightness and so on To view the advanced features with VRS 1 Open Adobe Acrobat 2 Select Create PDF from the File menu and then select From Scanner 3 Click Kofax Software VRS TWAIN from the Scanner drop down list on the Kofax VR...

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