FR2939950B1 - METHOD FOR CONTROLLING PIXELS OF A HIGH DYNAMIC IMAGE SENSOR - Google Patents

METHOD FOR CONTROLLING PIXELS OF A HIGH DYNAMIC IMAGE SENSOR

Info

Publication number
FR2939950B1
FR2939950B1 FR0806998A FR0806998A FR2939950B1 FR 2939950 B1 FR2939950 B1 FR 2939950B1 FR 0806998 A FR0806998 A FR 0806998A FR 0806998 A FR0806998 A FR 0806998A FR 2939950 B1 FR2939950 B1 FR 2939950B1
Authority
FR
France
Prior art keywords
image sensor
dynamic image
high dynamic
controlling pixels
pixels
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
FR0806998A
Other languages
French (fr)
Other versions
FR2939950A1 (en
Inventor
Thierry Ligozat
Nicolas Ferrand
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.)
Teledyne e2v Semiconductors SAS
Original Assignee
e2v Semiconductors SAS
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 e2v Semiconductors SAS filed Critical e2v Semiconductors SAS
Priority to FR0806998A priority Critical patent/FR2939950B1/en
Publication of FR2939950A1 publication Critical patent/FR2939950A1/en
Application granted granted Critical
Publication of FR2939950B1 publication Critical patent/FR2939950B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—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
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • H04N25/571—Control of the dynamic range involving a non-linear response
    • H04N25/575—Control of the dynamic range involving a non-linear response with a response composed of multiple slopes
    • 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
    • H04N25/58—Control of the dynamic range involving two or more exposures
    • H04N25/581—Control of the dynamic range involving two or more exposures acquired simultaneously
    • H04N25/583—Control of the dynamic range involving two or more exposures acquired simultaneously with different integration times
    • 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
    • H04N25/62—Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels
    • H04N25/621—Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels for the control of blooming
    • H04N25/623—Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels for the control of blooming by evacuation via the output or reset lines
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
FR0806998A 2008-12-12 2008-12-12 METHOD FOR CONTROLLING PIXELS OF A HIGH DYNAMIC IMAGE SENSOR Expired - Fee Related FR2939950B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0806998A FR2939950B1 (en) 2008-12-12 2008-12-12 METHOD FOR CONTROLLING PIXELS OF A HIGH DYNAMIC IMAGE SENSOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0806998A FR2939950B1 (en) 2008-12-12 2008-12-12 METHOD FOR CONTROLLING PIXELS OF A HIGH DYNAMIC IMAGE SENSOR

Publications (2)

Publication Number Publication Date
FR2939950A1 FR2939950A1 (en) 2010-06-18
FR2939950B1 true FR2939950B1 (en) 2011-02-25

Family

ID=40802009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0806998A Expired - Fee Related FR2939950B1 (en) 2008-12-12 2008-12-12 METHOD FOR CONTROLLING PIXELS OF A HIGH DYNAMIC IMAGE SENSOR

Country Status (1)

Country Link
FR (1) FR2939950B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3039319B1 (en) 2015-07-24 2018-06-15 Pyxalis ACTIVE PIXEL IMAGE SENSOR WITH GLOBAL SHUTTER MODE OPERATION, SUBTRACTION OF RESET NOISE AND NON-DESTRUCTIVE READING

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3657780B2 (en) * 1998-06-30 2005-06-08 株式会社東芝 Imaging device
US7829832B2 (en) * 2005-08-30 2010-11-09 Aptina Imaging Corporation Method for operating a pixel cell using multiple pulses to a transistor transfer gate
FR2915652B1 (en) * 2007-04-27 2009-06-12 St Microelectronics Sa METHOD FOR CONTROLLING IMAGE SENSOR

Also Published As

Publication number Publication date
FR2939950A1 (en) 2010-06-18

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