CN1196628A - 图象扫描装置和方法 - Google Patents
图象扫描装置和方法 Download PDFInfo
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- CN1196628A CN1196628A CN98106697A CN98106697A CN1196628A CN 1196628 A CN1196628 A CN 1196628A CN 98106697 A CN98106697 A CN 98106697A CN 98106697 A CN98106697 A CN 98106697A CN 1196628 A CN1196628 A CN 1196628A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/047—Detection, control or error compensation of scanning velocity or position
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/107—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with manual scanning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/02406—Arrangements for positioning elements within a head
- H04N2201/02425—Self-adjusting arrangements, e.g. compensating for temperature fluctuations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/02406—Arrangements for positioning elements within a head
- H04N2201/02439—Positioning method
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
- H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
- H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
- H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
- H04N2201/0315—Details of integral heads not otherwise provided for
- H04N2201/03162—Original guide plate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
- H04N2201/0414—Scanning an image in a series of overlapping zones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04729—Detection of scanning velocity or position in the main-scan direction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04731—Detection of scanning velocity or position in the sub-scan direction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04734—Detecting at frequent intervals, e.g. once per line for sub-scan control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04737—Detection of scanning velocity or position by detecting the scanned medium directly, e.g. a leading edge
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04758—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
- H04N2201/04787—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area by changing or controlling the addresses or values of pixels, e.g. in an array, in a memory, by interpolation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04789—Control or error compensation of scanning position or velocity in the main-scan direction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04791—Control or error compensation of scanning position or velocity in the sub-scan direction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04794—Varying the control or compensation during the scan, e.g. using continuous feedback or from line to line
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Abstract
Description
TRANSFORM LOOP1(变换循环) { ∥初始化 y=Y1 xInc=(x2-x1)/(y2-y1) xInc’=(x2’-x1’)/(y2’-y1’) xD=x1+(y-y1)*xInc xD’=x1’+(y-y1’)*xInc’ ∥主循环 while(y<=Y2) { [X1,X2]=[Ceiling(xD),Flood(xD’)] x=X1 //内循环 while(x<=X2) 访问象素(x,y) <dp n="d24"/> xD+=xlnc xD’+=xInc’ y++; } }
TRANSFORM LOOP2(变换循环) { ∥初始化 y=Y1 xInc=(x2-x1)/(y2-y1) xInc’=(x2’-x1’)/(y2’-y1’) xD=x1+(y-y1)*xInc xD’=x1’+(y-y1’)*xInc’ aRowInc=(N-1)/(y2-y1) aRowInc’=(N-1)/(y2’-y1’) aD=(y-y1)*aRowInc aD’=(y-y1’)*aRowInc’ ∥主循环 while(y<=Y2) { [X1,X2]=[Ceiling(xD),Flood(xD’)] x=X1 aInc=(aD’-aD)/(xD’-xD) <dp n="d27"/> bInc=1/(xD’-xD) a=(x1-xD)*aInc b=(x1-xD)*bInc //内循环 while(x<=X2) { A=Floor(a) pixel[y][x]=BiLinear(I1,I2,A,a-A,b) a+=aInc b+=bInc } xD+=xInc xD’+=xInc’ aD+=aRowInc aD’+=aRowInc’ y++; } }
TRANSFORM LOOP3(变换循环) { ∥初始化 y=Y1 xInc=(x2-x1)/(y2-y1) xInc’=(x2’-x1’)/(y2’-y1’) xD=x1+(y-y1)*xInc xD’=x1’+(y-y1’)*xInc’ aRowInc=(N-1)/(y2-y1) aRowInc’=(N-1)/(y2’-y1’) aD=(y-y1)*aRowInc <dp n="d29"/> aD’=(y-y1’)*aRowInc’ ∥主循环 while(y<=Y2) { [X1,X2]=[Ceiling(xD),Flood(xD’)] x=X1 A=Floor(A) a=aD-A vD=I1[A]*(1-a)+I1[A+1)*a A’=Floor(A’) a’=aD’-A’ vD’=I1[A’]*(1-a’)+I1[A’+1)*a’ vInc=(vD’-vD)/(xD’-xD) v=vD+(x1-xD)*vInc ∥内循环 while(x<=X2) { pixel[y][x]=v v+=vInc } xD+=xInc xD’+=xInc’ aD+=aRowInc <dp n="d30"/> aD’+=aRowInc’ y++; } }
∥初始化 y=Y1 xInc=(x2-x1)/(y2-y1) xInc’=(x2’-x1’)/(y2’-y1’) xD=x1+(y-y1)*xInc xD’=x1’+(y-y1’)*xInc’ aRowInc=(N-1)/(y2-y1) aRowInc’=(N-1)/(y2’-y1’) aD=(y-y1)*aRowInc aD’=(y-y1’)*aRowInc’ ∥主循环 while(y<=Y2) { [X1,X2]=[Ceiling(xD),Flood(xD’)] x=X1 <dp n="d34"/> aInc=(aD’-aD)/(xD’-xD) bInc=(M-1)/(xD’-xD) a=(x1-xD)*aInc b=(x1-xD)*bInc ∥内循环 while(x<=X2) { A=Floor(a) B=Floor(b) pixel[y][x]=BiLinear(IB,IB+1,A,a-A,b-B) a+=aInc b+=bInc } xD+=xInc xD’+=xInc’ aD+=aRowInc aD’+=aRowInc’ y++; } }
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97302519A EP0873003B1 (en) | 1997-04-14 | 1997-04-14 | Image scanning device and method |
EP97302519.0 | 1997-04-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1196628A true CN1196628A (zh) | 1998-10-21 |
CN1164072C CN1164072C (zh) | 2004-08-25 |
Family
ID=8229291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB981066976A Expired - Fee Related CN1164072C (zh) | 1997-04-14 | 1998-04-14 | 图象扫描装置和方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6249360B1 (zh) |
EP (1) | EP0873003B1 (zh) |
JP (2) | JPH10304149A (zh) |
CN (1) | CN1164072C (zh) |
DE (1) | DE69737495T2 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102694951A (zh) * | 2011-03-22 | 2012-09-26 | 精工爱普生株式会社 | 读取装置以及读取方法 |
CN106470288A (zh) * | 2015-08-21 | 2017-03-01 | 三星电子株式会社 | 移动装置、图像扫描装置和处理作业的方法 |
CN109297554A (zh) * | 2018-04-13 | 2019-02-01 | 东南大学 | 用于测量t型管内液相流量的方法 |
CN109819137A (zh) * | 2017-11-22 | 2019-05-28 | 东友科技股份有限公司 | 影像获取与输出方法 |
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- 1998-04-14 CN CNB981066976A patent/CN1164072C/zh not_active Expired - Fee Related
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CN102694951A (zh) * | 2011-03-22 | 2012-09-26 | 精工爱普生株式会社 | 读取装置以及读取方法 |
CN106470288A (zh) * | 2015-08-21 | 2017-03-01 | 三星电子株式会社 | 移动装置、图像扫描装置和处理作业的方法 |
CN106470288B (zh) * | 2015-08-21 | 2020-04-14 | 惠普发展公司,有限责任合伙企业 | 移动装置、图像扫描装置和处理作业的方法 |
CN109819137A (zh) * | 2017-11-22 | 2019-05-28 | 东友科技股份有限公司 | 影像获取与输出方法 |
CN109819137B (zh) * | 2017-11-22 | 2020-06-26 | 东友科技股份有限公司 | 影像获取与输出方法 |
CN109297554A (zh) * | 2018-04-13 | 2019-02-01 | 东南大学 | 用于测量t型管内液相流量的方法 |
CN109297554B (zh) * | 2018-04-13 | 2020-06-30 | 东南大学 | 用于测量t型管内液相流量的方法 |
Also Published As
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CN1164072C (zh) | 2004-08-25 |
EP0873003B1 (en) | 2007-03-21 |
US6249360B1 (en) | 2001-06-19 |
JPH10304149A (ja) | 1998-11-13 |
JP4327080B2 (ja) | 2009-09-09 |
EP0873003A1 (en) | 1998-10-21 |
DE69737495D1 (de) | 2007-05-03 |
JP2005129077A (ja) | 2005-05-19 |
DE69737495T2 (de) | 2008-01-10 |
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