DE69314833T2 - Korrektur der optischen Defokussierung eines Bildes - Google Patents

Korrektur der optischen Defokussierung eines Bildes

Info

Publication number
DE69314833T2
DE69314833T2 DE69314833T DE69314833T DE69314833T2 DE 69314833 T2 DE69314833 T2 DE 69314833T2 DE 69314833 T DE69314833 T DE 69314833T DE 69314833 T DE69314833 T DE 69314833T DE 69314833 T2 DE69314833 T2 DE 69314833T2
Authority
DE
Germany
Prior art keywords
correction
image
optical defocusing
defocusing
optical
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.)
Expired - Fee Related
Application number
DE69314833T
Other languages
English (en)
Other versions
DE69314833D1 (de
Inventor
Ned J Seachman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of DE69314833D1 publication Critical patent/DE69314833D1/de
Application granted granted Critical
Publication of DE69314833T2 publication Critical patent/DE69314833T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/00013—Reading apparatus
    • 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
    • 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
    • H04N1/00034—Measuring, i.e. determining a quantity by comparison with a standard
    • 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
    • H04N1/00045—Methods therefor using a reference pattern designed for the purpose, e.g. a test chart
    • 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
    • H04N1/00053—Methods therefor out of service, i.e. outside of normal operation
    • 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
    • H04N1/00063—Methods therefor using at least a part of the apparatus itself, e.g. self-testing
    • 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
    • H04N1/00071—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for characterised by the action taken
    • H04N1/00082—Adjusting or controlling
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement
DE69314833T 1992-03-27 1993-03-23 Korrektur der optischen Defokussierung eines Bildes Expired - Fee Related DE69314833T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/858,828 US5307175A (en) 1992-03-27 1992-03-27 Optical image defocus correction

Publications (2)

Publication Number Publication Date
DE69314833D1 DE69314833D1 (de) 1997-12-04
DE69314833T2 true DE69314833T2 (de) 1998-05-20

Family

ID=25329292

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69314833T Expired - Fee Related DE69314833T2 (de) 1992-03-27 1993-03-23 Korrektur der optischen Defokussierung eines Bildes

Country Status (4)

Country Link
US (1) US5307175A (de)
EP (1) EP0562814B1 (de)
JP (1) JPH0654182A (de)
DE (1) DE69314833T2 (de)

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Also Published As

Publication number Publication date
US5307175A (en) 1994-04-26
JPH0654182A (ja) 1994-02-25
EP0562814B1 (de) 1997-10-29
DE69314833D1 (de) 1997-12-04
EP0562814A1 (de) 1993-09-29

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Legal Events

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8339 Ceased/non-payment of the annual fee