JP2006166194A - 画素欠陥検出回路及び画素欠陥検出方法 - Google Patents

画素欠陥検出回路及び画素欠陥検出方法 Download PDF

Info

Publication number
JP2006166194A
JP2006166194A JP2004356473A JP2004356473A JP2006166194A JP 2006166194 A JP2006166194 A JP 2006166194A JP 2004356473 A JP2004356473 A JP 2004356473A JP 2004356473 A JP2004356473 A JP 2004356473A JP 2006166194 A JP2006166194 A JP 2006166194A
Authority
JP
Japan
Prior art keywords
pixel
defect
defective
signal
detection
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.)
Pending
Application number
JP2004356473A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006166194A5 (enExample
Inventor
Masato Yoneda
正人 米田
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP2004356473A priority Critical patent/JP2006166194A/ja
Priority to US11/298,384 priority patent/US7567278B2/en
Publication of JP2006166194A publication Critical patent/JP2006166194A/ja
Publication of JP2006166194A5 publication Critical patent/JP2006166194A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
    • 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
    • H04N25/68—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to defects
    • H04N25/683—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to defects by defect estimation performed on the scene signal, e.g. real time or on the fly detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Image Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2004356473A 2004-12-09 2004-12-09 画素欠陥検出回路及び画素欠陥検出方法 Pending JP2006166194A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004356473A JP2006166194A (ja) 2004-12-09 2004-12-09 画素欠陥検出回路及び画素欠陥検出方法
US11/298,384 US7567278B2 (en) 2004-12-09 2005-12-08 Circuit and method for detecting pixel defect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004356473A JP2006166194A (ja) 2004-12-09 2004-12-09 画素欠陥検出回路及び画素欠陥検出方法

Publications (2)

Publication Number Publication Date
JP2006166194A true JP2006166194A (ja) 2006-06-22
JP2006166194A5 JP2006166194A5 (enExample) 2007-10-18

Family

ID=36583322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004356473A Pending JP2006166194A (ja) 2004-12-09 2004-12-09 画素欠陥検出回路及び画素欠陥検出方法

Country Status (2)

Country Link
US (1) US7567278B2 (enExample)
JP (1) JP2006166194A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7667747B2 (en) * 2006-03-15 2010-02-23 Qualcomm Incorporated Processing of sensor values in imaging systems
JP4305777B2 (ja) * 2006-11-20 2009-07-29 ソニー株式会社 画像処理装置、画像処理方法、及びプログラム
JP2009188822A (ja) * 2008-02-07 2009-08-20 Olympus Corp 画像処理装置及び画像処理プログラム
JP2009302722A (ja) * 2008-06-11 2009-12-24 Nec Electronics Corp 欠陥画素処理装置および欠陥画素処理方法
US8208044B2 (en) * 2008-09-18 2012-06-26 Qualcomm Incorporated Bad pixel cluster detection
US9014504B2 (en) * 2012-05-31 2015-04-21 Apple Inc. Systems and methods for highlight recovery in an image signal processor
US9161029B1 (en) * 2014-07-03 2015-10-13 Interra Systems, Inc. Systems and methods for detecting defective pixels in a video sequence
US10440299B2 (en) * 2015-09-04 2019-10-08 Apple Inc. Correcting pixel defects based on defect history in an image processing pipeline
GB2555713B (en) * 2016-09-30 2021-03-03 Canon Kk Imaging device, imaging system, moving body, and control method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000101924A (ja) * 1998-09-21 2000-04-07 Olympus Optical Co Ltd 画像入力装置における欠陥検出補正装置
JP2001197372A (ja) * 1999-10-27 2001-07-19 Sanyo Electric Co Ltd 画像信号処理装置及び画素欠陥の検出方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5854655A (en) * 1995-08-29 1998-12-29 Sanyo Electric Co., Ltd. Defective pixel detecting circuit of a solid state image pick-up device capable of detecting defective pixels with low power consumption and high precision, and image pick-up device having such detecting circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000101924A (ja) * 1998-09-21 2000-04-07 Olympus Optical Co Ltd 画像入力装置における欠陥検出補正装置
JP2001197372A (ja) * 1999-10-27 2001-07-19 Sanyo Electric Co Ltd 画像信号処理装置及び画素欠陥の検出方法

Also Published As

Publication number Publication date
US20060125939A1 (en) 2006-06-15
US7567278B2 (en) 2009-07-28

Similar Documents

Publication Publication Date Title
JP3984936B2 (ja) 撮像装置および撮像方法
JP5631325B2 (ja) 撮像装置の欠陥検出方法及び撮像装置
JP3747909B2 (ja) 画素欠陥検出補正装置及び画素欠陥検出補正方法
US8711254B2 (en) Image processing apparatus and method having defective pixel detection and correction ability
US8643751B2 (en) Method for detecting dead pixels and computer program product thereof
US8648941B2 (en) Image processor, method of controlling the same, and storage medium
JP4591046B2 (ja) 欠陥検出補正回路及び欠陥検出補正方法
JP2005328421A (ja) 撮像装置および撮像方法
JP2006166194A (ja) 画素欠陥検出回路及び画素欠陥検出方法
US20050030412A1 (en) Image correction processing method and image capture system using the same
JP2011114473A (ja) 画素欠陥補正装置
JP2010258620A (ja) 画像処理装置、画像処理方法及びプログラム
JP2004241600A (ja) 欠陥検出回路及び欠陥検出方法
JP2009027289A (ja) ディジタル・カメラおよびその動作制御方法
JP2000217039A (ja) 点欠陥検出方法および点欠陥画素値補正方法
JP4331120B2 (ja) 欠陥画素検出方法
JP4471352B2 (ja) 欠陥画素補正装置及び方法及び撮像装置及びプログラム及び記憶媒体
JP2000101924A (ja) 画像入力装置における欠陥検出補正装置
JP3331666B2 (ja) 固体撮像装置及び固体撮像装置の欠陥検出補正方法
JP2008283620A (ja) 固体撮像装置
JP2005318337A (ja) 固体撮像素子の欠陥検出補正装置および撮像装置
JP5968145B2 (ja) 画像処理装置及びその制御方法
JP2009188624A (ja) 画像処理装置および電子カメラ、並びに許容値設定方法
JP2006100913A (ja) 画像処理装置および画像処理方法
JP2007228269A (ja) 画像信号処理装置及び方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070903

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070903

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20090817

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20091013

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100317

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100323

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100513

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20100615