NO985823L - Kalibreringsmetode og -system for billeddannende anordninger - Google Patents

Kalibreringsmetode og -system for billeddannende anordninger

Info

Publication number
NO985823L
NO985823L NO985823A NO985823A NO985823L NO 985823 L NO985823 L NO 985823L NO 985823 A NO985823 A NO 985823A NO 985823 A NO985823 A NO 985823A NO 985823 L NO985823 L NO 985823L
Authority
NO
Norway
Prior art keywords
pixel
pixel cell
conversion function
response
representing
Prior art date
Application number
NO985823A
Other languages
English (en)
Other versions
NO985823D0 (no
Inventor
Tielang Cao
Jouni Ilari Pyyhtio
Konstantinos Evange Spartiotis
Original Assignee
Simage Oy
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 Simage Oy filed Critical Simage Oy
Publication of NO985823D0 publication Critical patent/NO985823D0/no
Publication of NO985823L publication Critical patent/NO985823L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • H04N25/571—Control of the dynamic range involving a non-linear response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/30—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming X-rays into image signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Measurement Of Radiation (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Recording Measured Values (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

Et billeddannende system som har en billeddannende, billedelementbasert anordning kalibreres for å ta hensyn til faktorer slik som en billedelementcelles ikke-lineære respons og/eller forskjeller mellom billedelementceller. Det defineres en tabell som inneholder en oppføring for hver billedelementcelle. Det gjøres tilgang til denne for å anvende en konverteringsfunksjon fastlagt for billedelementcellen på en verdi avgitt fra billedelementcellen, for derved å beregne en korrigert verdi som representerer strålingen som faller inn på billedelementcellen. Konverteringsfunksjonen kan inneholde en responsfunksjon for hver billedelementcelle, som representerer et ikke lineært forhold mellom billedelement-utgangsverdier og forhåndsbestemte, eksternt varierte billed- element-inngangsverdier, slik som tilbakestående spenningsverdier (VR), og en skalaparameter for hver billedelementcelle, som representerer ulikheter mellom billedelementceller. Alternativt kan konverteringsfunksjonen for hver billedelementcelle representere respektive billedutgangsverdier som reaksjon på en rekke forskjellige mengder stråling som påføres den billeddannende anordning.
NO985823A 1996-06-14 1998-12-11 Kalibreringsmetode og -system for billeddannende anordninger NO985823L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9612534A GB2314227B (en) 1996-06-14 1996-06-14 Calibration method and system for imaging devices
PCT/EP1997/002993 WO1997048225A1 (en) 1996-06-14 1997-06-09 Calibration method and system for imaging devices

Publications (2)

Publication Number Publication Date
NO985823D0 NO985823D0 (no) 1998-12-11
NO985823L true NO985823L (no) 1999-02-15

Family

ID=10795342

Family Applications (1)

Application Number Title Priority Date Filing Date
NO985823A NO985823L (no) 1996-06-14 1998-12-11 Kalibreringsmetode og -system for billeddannende anordninger

Country Status (8)

Country Link
EP (1) EP0904655B1 (no)
JP (1) JP4169787B2 (no)
AT (1) ATE260014T1 (no)
AU (1) AU3033397A (no)
DE (1) DE69727673T2 (no)
GB (1) GB2314227B (no)
NO (1) NO985823L (no)
WO (1) WO1997048225A1 (no)

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JP3754989B2 (ja) 2000-11-10 2006-03-15 アークレイ株式会社 センサ出力の補正方法
EP1301031A1 (de) * 2001-09-29 2003-04-09 Philips Corporate Intellectual Property GmbH Verfahren zur Korrektur unterschiedlicher Umwandlungscharakteristiken von Bildsensoren
GB0205482D0 (en) 2002-03-08 2002-04-24 Bae Systems Plc Improvements in or relating to infra red camera calibration
JP2004077709A (ja) * 2002-08-15 2004-03-11 Konica Minolta Holdings Inc 画像入力装置及び画像入力方法
DE10239994B4 (de) * 2002-08-27 2006-12-14 Robert Bosch Gmbh Verfahren zur Korrektur von Ungleichmäßigkeiten eines Bildsensorsystems
US7443431B2 (en) 2002-09-13 2008-10-28 Eastman Kodak Company Fixed pattern noise removal in CMOS imagers across various operational conditions
EP1429542A1 (en) 2002-12-11 2004-06-16 Dialog Semiconductor GmbH Fixed pattern noise compensation with low memory requirements
EP1795918B1 (en) 2004-07-06 2013-02-27 Oy Ajat Ltd. High energy, real time capable, direct radiation conversion x-ray imaging system for CD-TE and CD-ZN-TE based cameras
US20060011853A1 (en) 2004-07-06 2006-01-19 Konstantinos Spartiotis High energy, real time capable, direct radiation conversion X-ray imaging system for Cd-Te and Cd-Zn-Te based cameras
US8049293B2 (en) 2005-03-07 2011-11-01 Sony Corporation Solid-state image pickup device, electronic apparatus using such solid-state image pickup device and method of manufacturing solid-state image pickup device
TWI429066B (zh) 2005-06-02 2014-03-01 Sony Corp Semiconductor image sensor module and manufacturing method thereof
DE102005043048A1 (de) * 2005-09-09 2007-03-22 Siemens Ag Verfahren zur Korrektur eines Bilddatensatzes sowie Verfahren zur Erstellung eines Bildes
DE102005047595A1 (de) * 2005-10-05 2007-04-12 Carl Zeiss Sms Gmbh Verfahren zur Ermittlung der Empfindlichkeit von Sensorarrays
EP1959674A1 (de) * 2007-02-08 2008-08-20 Texmag GmbH Vertriebsgesellschaft Kamera und Verfahren zu deren Betrieb
JP4895391B2 (ja) * 2007-09-03 2012-03-14 キヤノン株式会社 画像読み取り装置
US10866332B2 (en) 2018-04-20 2020-12-15 Sharp Kabushiki Kaisha Imaging system, control method of imaging system, and storage medium
JP6790054B2 (ja) * 2018-04-20 2020-11-25 シャープ株式会社 撮像システム、撮像システムの制御方法、および制御プログラム

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EP0024470A3 (en) * 1979-08-21 1981-05-06 Ball Corporation Method and apparatus for compensating for sensitivity variations in an image sensor
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Also Published As

Publication number Publication date
EP0904655B1 (en) 2004-02-18
DE69727673T2 (de) 2005-01-13
EP0904655A1 (en) 1999-03-31
GB2314227A (en) 1997-12-17
GB2314227B (en) 1998-12-23
JP4169787B2 (ja) 2008-10-22
NO985823D0 (no) 1998-12-11
JP2000513518A (ja) 2000-10-10
ATE260014T1 (de) 2004-03-15
AU3033397A (en) 1998-01-07
WO1997048225A1 (en) 1997-12-18
GB9612534D0 (en) 1996-08-14
DE69727673D1 (de) 2004-03-25

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