GB8505022D0 - Correcting picture signals - Google Patents

Correcting picture signals

Info

Publication number
GB8505022D0
GB8505022D0 GB858505022A GB8505022A GB8505022D0 GB 8505022 D0 GB8505022 D0 GB 8505022D0 GB 858505022 A GB858505022 A GB 858505022A GB 8505022 A GB8505022 A GB 8505022A GB 8505022 D0 GB8505022 D0 GB 8505022D0
Authority
GB
United Kingdom
Prior art keywords
picture signals
correcting picture
correcting
signals
picture
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.)
Granted
Application number
GB858505022A
Other versions
GB2154827A (en
GB2154827B (en
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of GB8505022D0 publication Critical patent/GB8505022D0/en
Publication of GB2154827A publication Critical patent/GB2154827A/en
Application granted granted Critical
Publication of GB2154827B publication Critical patent/GB2154827B/en
Expired 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
    • H04N1/40—Picture signal circuits
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
GB08505022A 1984-02-28 1985-02-27 Method for correcting picture signals in image input equipment Expired GB2154827B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59035336A JPS60180377A (en) 1984-02-28 1984-02-28 Picture signal correcting method in picture input device

Publications (3)

Publication Number Publication Date
GB8505022D0 true GB8505022D0 (en) 1985-03-27
GB2154827A GB2154827A (en) 1985-09-11
GB2154827B GB2154827B (en) 1987-04-01

Family

ID=12438992

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08505022A Expired GB2154827B (en) 1984-02-28 1985-02-27 Method for correcting picture signals in image input equipment

Country Status (4)

Country Link
JP (1) JPS60180377A (en)
DE (1) DE3506736A1 (en)
FR (1) FR2560471B1 (en)
GB (1) GB2154827B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6267686A (en) * 1985-09-19 1987-03-27 Furuno Electric Co Ltd Method and device for correcting light quantity distortion by pattern recognition technique
DE3629409C2 (en) * 1986-08-29 1994-02-17 Agfa Gevaert Ag Method and device for contrast evaluation in electronic image processing
JPH0335233A (en) * 1989-06-30 1991-02-15 Toshiba Corp Image forming device
US5355164A (en) * 1990-06-25 1994-10-11 Fuji Photo Film Co., Ltd. Method and apparatus of correction image read signals by removing the influence of dark current therefrom
JP3918479B2 (en) * 2001-09-11 2007-05-23 セイコーエプソン株式会社 Reference data setting method and image reading apparatus for shading correction
KR102092331B1 (en) 2018-06-05 2020-03-23 주식회사 필로포스 Compact oct spectrometer suitable for mobile environment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800078A (en) * 1972-12-18 1974-03-26 Ibm Digitally compensated scanning system
US3800079A (en) * 1972-12-18 1974-03-26 Ibm Compensation for a scanning system
JPS5511683A (en) * 1978-07-12 1980-01-26 Nec Corp Sensor correction device
US4287536A (en) * 1979-10-12 1981-09-01 Xerox Corporation Gain control for scanning arrays
JPS5660165A (en) * 1979-10-20 1981-05-23 Canon Inc Picture reader
US4524388A (en) * 1981-08-11 1985-06-18 Konishiroku Photo Industry Co., Ltd. Shading correction device
JPS594272A (en) * 1982-06-29 1984-01-11 Fujitsu Ltd Uneven density correcting system

Also Published As

Publication number Publication date
JPS60180377A (en) 1985-09-14
FR2560471A1 (en) 1985-08-30
FR2560471B1 (en) 1991-09-20
GB2154827A (en) 1985-09-11
DE3506736A1 (en) 1985-10-03
GB2154827B (en) 1987-04-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950227