Kodak Document Scanner 9500 with/without Image Manager 9500 Instrukcja Użytkownika Strona 63
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A-61124 March 1999 A-1
Appendix A Glossary
Batch
A number of documents to be scanned as a group.
Bi-tonal image
An unscreened image that consists of pixels which are either
black or white (1 bit/pixel), as opposed to gray scale (screened)
images which consist of pixels which are assigned a value based
upon a range of gray shades.
Calibration
An operation that determines any system nonuniformity for which
the scanner must compensate during scanning. The unit must be
calibrated at least once a day or after power has been turned on.
Charge-coupled device (CCD)
A light-sensitive, solid-state device used to convert image
information (light) to electrical signals as a document is scanned.
Compression
Compression is used to reduce the number of bytes needed for
scanned document images, thus saving storage space and/or
transmission time. This is accomplished with special algorithms
that use run-length encoding.
Continuous tone images
Images, such as photographs, which can assume all possible
shades of gray.
Cropping
Technique used to capture a desired portion of an image. Allows
the entire document to be scanned without all document data
being stored.
Digitized image
Image data represented by binary ones and zeros.
- Integrator’s 1
- 1 Introduction 2
- About this guide 3
- 2 Scanning Concepts 4
- Error handling 5
- A-61124 March 1999 2-3 6
- Fault recovery 7
- 3 Image Headers 8
- Image Addresses 9
- Assigning 9
- A-61124 March 1999 3-3 10
- Image header format 11
- A-61124 March 1999 3-5 12
- Default Image Header Format 13
- Retrieving images and 14
- Recommended retrieval 15
- Host to scanner 16
- Scanner to host 16
- SCSI data rates 16
- 5 The SCSI Interface 17
- SCSI interface signal 18
- Issuing SCSI 18
- A-61124 March 1999 5-3 19
- SCSI status responses 20
- SCSI message responses 21
- SCSI conformance 22
- SCSI commands 23
- Command block descriptor 24
- A-61124 March 1999 5-9 25
- Define Window Parameters data 26
- Get Window command 28
- Get Window descriptor bytes 30
- Get Window Parameters data 31
- Inquiry command 33
- Inquiry data 34
- Read command 35
- Release Unit command 36
- Request Sense command 37
- Request Sense data 38
- A-61124 March 1999 5-23 39
- Reserve Unit command 40
- Scan command 40
- Send command 41
- Using the Send 42
- Test Unit Ready command 43
- 6 Scanner-unique Commands 44
- Command summary 45
- A-61124 March 1999 6-3 46
- Commands 47
- BX/Y/Z — Scan resolution 48
- CX — Clear buffers 48
- DC — Sequential ID 48
- DX — No scan 49
- EX — Bit order 49
- FX/Y/Z — Compression 50
- GC — Last image 50
- GX — End of job 51
- HA — Set mode 51
- HC — Next image address 51
- JA — Define mode 52
- JX/Y/Z — Scan threshold 53
- KX/Y/Z — Scan contrast 54
- LX/Y/Z — Dither pattern 54
- (screen) 54
- MC — Count Only mode 54
- MX/Y/Z — Image 55
- NF — Level of next 55
- NX/Y/Z — Noise filter 55
- SX/Y/Z — Reverse image 56
- TX — Simplex/duplex 56
- YX/Y/Z — Border 57
- Reduction 57
- WX/Y/Z — Skew 57
- Correction 57
- Scanner-unique 58
- Recommended usage of 61
- Protocol 62
- Sample interfaces 62
- Appendix A Glossary 63
- A-2 A-61124 March 1999 64
- Kodak Digital Science 65
- A-4 A-61124 March 1999 66
- Ordering publications 67
- A-61124 March 1999 C-1 68
- C-2 A-61124 March 1999 69
- Image processing 70
- D-2 A-61124 March 1999 71
- Table D-2 — Scanner 9500 72
- Appendix E Image Processing 74
- Auto-cropping 75
- Scanner-unique Commands 77
- , Scanner-unique Commands 78
- Noise filter 80
- Resolution 82
- Screening/Dithering 83
- Adaptive Threshold 86
- Processor (ATP) accessory 86
- Image Manager capabilities 89
- Example 1 91
- Example 2 91
- 12 “ - Full width of Scanner 92
- Border reduction 93
- Skewed Document 93
- Scanned images 94
- Printed Images 94
- Computer-generated images 95
- Photographic images 95
- Evaluation criteria 96
- Staircasing 97
- Aliasing 97
- Image resolution 98
- Noise and dynamic range 99
- Brightness 100
- DOCUMENT 101
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