Kodak 9500 manual Border reduction

Page 93

Border reduction	The border reduction feature only works when auto-cropping is
	turned off. Border reduction fills the area outside of the
	document edges with a white background within the fixed
	cropping width. The following illustration shows the effects of
	border reduction.
			Skewed Document
		Line Length = N x 16 pixels (Fixed Cropping)

Un-Skewed or Deskewed Document

Line Length = N x 16 pixels (Fixed Cropping)

E-20	A-61122/A-61124 March 1999

Image 93

Contents

Integrator’s Guide Document size IntroductionAbout this guide Setup Scanning ConceptsScanning documents Error handling March Interactive/online method Batch/offline method Fault recoveryImage Headers Image header contentsImage address ResolutionHeader flags Compression typeBar code header information Image Deskew FlagSkew Angle Image header format Offset Format Dynamic Data Set by CommandMarch Default Image Header Format Requested Resultant Last Transfer Retrieving images and headersTo read the header and then read the image Recommended retrieval methodsScsi data rates Scanner Host CommunicationsScsi overview Scsi bus Scsi InterfaceIssuing Scsi commands Scsi interface signal linesMarch Status Response Code Meaning Scsi status responsesMessage Code Direction Function/Action Scsi Spec Scsi message responsesScsi conformance Scsi command summary Scsi commandsCommand Op Command NumberCommand block descriptor Define Window Parameters commandCommand op code 24H Scsi Specification Section Define Window Parameters headerDefine Window descriptor bytes Descriptor Data Definition Define Window Parameters dataDescriptor Data Definition Command op code 25H Scsi Specification Section Get Window commandGet Window data Get Window Parameters headerGet Window Parameters header data Get Window descriptor bytes Get Window Parameters data Descriptor Data Definition Inquiry command Command op code 12H Scsi Specification SectionInquiry descriptor bytes Inquiry data Read command Command op code 28H Scsi Specification SectionRead data Command op code 17H Scsi Specification Section Release Unit commandRequest Sense command Command op code 03H Scsi Specification SectionRequest Sense descriptor bytes ILI Request Sense dataDescription Seq. Id# Required Error Trans Panel Scan command Reserve Unit commandCommand op code 16H Scsi Specification Section Command op code 1BH Scsi Specification SectionSend command Command op code 2AH Scsi Specification SectionSend data Command block Using the Send command for scanner- unique commandsCommand op code 00H Scsi Specification Section Test Unit Ready commandScanner-unique command format Scanner-unique CommandsScsi Command summaryMarch AX/Y/Z Cropping/ Auto Cropping CommandsDescription Values DX No scan EX Bit order Information returned is in the following format FX/Y/Z Compression GC Last image addressHC command sets the image address for the next document GX End of job HA Set mode HC Next image addressJA command Example JA Define modeJX/Y/Z Scan threshold Cont NX/Y/Z command selects the Noise filter for the current mode SX/Y/Z Reverse image TX Simplex/duplex status YX/Y/Z Border Reduction WX/Y/Z Skew Correction W command enables or disables document skew correctionTemporarily overriding a group of parameters Scanner-unique command samplesPermanently changing individual parameters Permanently changing a group of parameters Recommended usage of scanner-unique commands Diagnostic Interface J45/COIN3 Pin J45 SignalsUsage Protocol Pinouts Sample interfaces Appendix a Glossary Document image level Error diffusion modeGray scale image Gray levelsNoise Multilevel indexingNoise filter PatchScaling Scanner-unique commandScreening SeedAppendix B Reference Materials Accessory-specificOrdering publications United States and CanadaAppendix C Assigning Image Addresses March Image processing parameters Appendix D Image Processing Parameter DefaultsModes Parameter Command 13,17 14,18 11,15 12,16 Filter Table D-2 Scanner Recommended Image processing parameters∙ YX/Y/Z ∙ AX/Y/Z March Appendix E Image Processing TerminologyAdaptive Threshold Processing separates the foreground Image processing capabilities Auto-croppingReverse imaging Simplex/duplex selection Compression is used to reduce the number of bytes needed for Contrast without ATP 61122/A-61124 March 61122/A-61124 March Noise filter 61122/A-61124 March Product Resolution Base Resolution Dpi ResolutionScreening/Dithering Bit/pixel image. The thresholding value ranges from 0 to 61122/A-61124 March Adaptive Threshold Processor ATP accessory Image processing settings for the ATPATP Contrast settings Image a Image B Image C Image D ATP Threshold settings Skew Detection and Correction Scanner/MicroimagerCorrection and auto-cropping work Auto-croppingExample Full width of Scanner Border reduction Border reductionSource image types Evaluating scanned imagesScanned images Printed ImagesPhotographic images Computer-generated imagesTarget Evaluation criteriaAliasing StaircasingFigure C Image resolution61122/A-61124 March By counting the number of black and white steps BrightnessDocument A G I N G

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