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FR2658685B1 - VERY HIGH DYNAMIC CAMERA. - Google Patents

VERY HIGH DYNAMIC CAMERA.

Info

Publication number
FR2658685B1
FR2658685B1 FR9002151A FR9002151A FR2658685B1 FR 2658685 B1 FR2658685 B1 FR 2658685B1 FR 9002151 A FR9002151 A FR 9002151A FR 9002151 A FR9002151 A FR 9002151A FR 2658685 B1 FR2658685 B1 FR 2658685B1
Authority
FR
France
Prior art keywords
high dynamic
dynamic camera
camera
dynamic
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
FR9002151A
Other languages
French (fr)
Other versions
FR2658685A1 (en
Inventor
Georges Cornuejols
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.)
SCANERA SC STE CIVILE RECH
Original Assignee
SCANERA SC STE CIVILE RECH
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 SCANERA SC STE CIVILE RECH filed Critical SCANERA SC STE CIVILE RECH
Priority to FR9002151A priority Critical patent/FR2658685B1/en
Priority to JP91505293A priority patent/JPH05506971A/en
Priority to CA002074488A priority patent/CA2074488A1/en
Priority to EP91905495A priority patent/EP0515565A1/en
Priority to US07/920,302 priority patent/US5638119A/en
Priority to PCT/FR1991/000127 priority patent/WO1991012690A1/en
Publication of FR2658685A1 publication Critical patent/FR2658685A1/en
Application granted granted Critical
Publication of FR2658685B1 publication Critical patent/FR2658685B1/en
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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • 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
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
FR9002151A 1990-02-16 1990-02-16 VERY HIGH DYNAMIC CAMERA. Expired - Fee Related FR2658685B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9002151A FR2658685B1 (en) 1990-02-16 1990-02-16 VERY HIGH DYNAMIC CAMERA.
JP91505293A JPH05506971A (en) 1990-02-16 1991-02-18 Device for increasing the dynamic range of cameras
CA002074488A CA2074488A1 (en) 1990-02-16 1991-02-18 Device for increasing the dynamic range of a camera
EP91905495A EP0515565A1 (en) 1990-02-16 1991-02-18 Device for increasing the dynamic range of a camera
US07/920,302 US5638119A (en) 1990-02-16 1991-02-18 Device for increasing the dynamic range of a camera
PCT/FR1991/000127 WO1991012690A1 (en) 1990-02-16 1991-02-18 Device for increasing the dynamic range of a camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9002151A FR2658685B1 (en) 1990-02-16 1990-02-16 VERY HIGH DYNAMIC CAMERA.

Publications (2)

Publication Number Publication Date
FR2658685A1 FR2658685A1 (en) 1991-08-23
FR2658685B1 true FR2658685B1 (en) 1996-03-01

Family

ID=9393994

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9002151A Expired - Fee Related FR2658685B1 (en) 1990-02-16 1990-02-16 VERY HIGH DYNAMIC CAMERA.

Country Status (1)

Country Link
FR (1) FR2658685B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2866714B1 (en) * 2004-02-19 2006-08-25 Jean Claude Robin METHOD AND DEVICE FOR CAPTURING IMAGES WITH HIGH DYNAMIC LIGHT LEVEL

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351550A1 (en) * 1976-05-15 1977-12-09 Elliott Brothers London Ltd Optical viewing system preventing light saturation - has differential reduction in path of light to primary sensor via given field of view dependent on illumination intensity
JPS57194678A (en) * 1981-05-27 1982-11-30 Toshiba Corp Television camera
FR2604584A1 (en) * 1986-09-26 1988-04-01 Cornuejols Georges Device reducing or amplifying luminous contrasts for an audio-visual apparatus for filming, transferring or restoring images or for the human eye
JPH01296785A (en) * 1988-05-24 1989-11-30 Fujitsu Ltd Picture superimposing device

Also Published As

Publication number Publication date
FR2658685A1 (en) 1991-08-23

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Legal Events

Date Code Title Description
CA Change of address
ST Notification of lapse

Effective date: 20051031