KR19990037083A - 이미지 스캐너 및 투과 이미지 매체 상의 표면 결점 검출 방버부 - Google Patents

이미지 스캐너 및 투과 이미지 매체 상의 표면 결점 검출 방버부 Download PDF

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Publication number
KR19990037083A
KR19990037083A KR1019980042990A KR19980042990A KR19990037083A KR 19990037083 A KR19990037083 A KR 19990037083A KR 1019980042990 A KR1019980042990 A KR 1019980042990A KR 19980042990 A KR19980042990 A KR 19980042990A KR 19990037083 A KR19990037083 A KR 19990037083A
Authority
KR
South Korea
Prior art keywords
light
image
light source
point
medium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
KR1019980042990A
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English (en)
Korean (ko)
Inventor
도날드 제이 스타벨리
다니엘 엠 블룸
에이미 이 바틀즈
데이비드 케이 케ㅁ벨
이 오스카 알 헤레라
Original Assignee
디. 크레이그 노룬드
휴렛트-팩카드 캄파니
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 디. 크레이그 노룬드, 휴렛트-팩카드 캄파니 filed Critical 디. 크레이그 노룬드
Publication of KR19990037083A publication Critical patent/KR19990037083A/ko
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/896—Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
    • H04N1/00023—Colour systems
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00037—Detecting, i.e. determining the occurrence of a predetermined state

Landscapes

  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Input (AREA)
  • Facsimile Scanning Arrangements (AREA)
KR1019980042990A 1997-10-14 1998-10-14 이미지 스캐너 및 투과 이미지 매체 상의 표면 결점 검출 방버부 Abandoned KR19990037083A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8/949,507 1997-10-14
US08/949,507 US5969372A (en) 1997-10-14 1997-10-14 Film scanner with dust and scratch correction by use of dark-field illumination

Publications (1)

Publication Number Publication Date
KR19990037083A true KR19990037083A (ko) 1999-05-25

Family

ID=25489185

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019980042990A Abandoned KR19990037083A (ko) 1997-10-14 1998-10-14 이미지 스캐너 및 투과 이미지 매체 상의 표면 결점 검출 방버부

Country Status (4)

Country Link
US (1) US5969372A (enExample)
JP (1) JP4183807B2 (enExample)
KR (1) KR19990037083A (enExample)
TW (1) TW376637B (enExample)

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Publication number Priority date Publication date Assignee Title
US4647196A (en) * 1981-01-20 1987-03-03 Hitachi Metals, Ltd. Surface flaw detection method
JPH05149889A (ja) * 1991-11-29 1993-06-15 Sumitomo Metal Ind Ltd 光学式疵検査装置の感度調整方法および感度調整用試片
JPH06207910A (ja) * 1993-01-11 1994-07-26 Fuji Photo Film Co Ltd 表面検査装置
JPH09163133A (ja) * 1995-12-12 1997-06-20 Fuji Photo Film Co Ltd フィルムスキャナ装置
JPH09251528A (ja) * 1996-03-15 1997-09-22 Sony Corp フィルム画像読み取り装置

Also Published As

Publication number Publication date
JP4183807B2 (ja) 2008-11-19
US5969372A (en) 1999-10-19
JPH11185028A (ja) 1999-07-09
TW376637B (en) 1999-12-11

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