FR2711812B1 - Method and system for automatically controlling the diaphragm of the imaging device. - Google Patents

Method and system for automatically controlling the diaphragm of the imaging device.

Info

Publication number
FR2711812B1
FR2711812B1 FR9312812A FR9312812A FR2711812B1 FR 2711812 B1 FR2711812 B1 FR 2711812B1 FR 9312812 A FR9312812 A FR 9312812A FR 9312812 A FR9312812 A FR 9312812A FR 2711812 B1 FR2711812 B1 FR 2711812B1
Authority
FR
France
Prior art keywords
diaphragm
imaging device
automatically controlling
automatically
controlling
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 - Lifetime
Application number
FR9312812A
Other languages
French (fr)
Other versions
FR2711812A1 (en
Inventor
Jamal Baina
Jacques Dublet
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.)
Telediffusion de France ets Public de Diffusion
Original Assignee
Telediffusion de France ets Public de Diffusion
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 Telediffusion de France ets Public de Diffusion filed Critical Telediffusion de France ets Public de Diffusion
Priority to FR9312812A priority Critical patent/FR2711812B1/en
Publication of FR2711812A1 publication Critical patent/FR2711812A1/en
Application granted granted Critical
Publication of FR2711812B1 publication Critical patent/FR2711812B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N23/71—Circuitry for evaluating the brightness variation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Exposure Control For Cameras (AREA)
FR9312812A 1993-10-27 1993-10-27 Method and system for automatically controlling the diaphragm of the imaging device. Expired - Lifetime FR2711812B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9312812A FR2711812B1 (en) 1993-10-27 1993-10-27 Method and system for automatically controlling the diaphragm of the imaging device.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9312812A FR2711812B1 (en) 1993-10-27 1993-10-27 Method and system for automatically controlling the diaphragm of the imaging device.

Publications (2)

Publication Number Publication Date
FR2711812A1 FR2711812A1 (en) 1995-05-05
FR2711812B1 true FR2711812B1 (en) 1996-01-05

Family

ID=9452267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9312812A Expired - Lifetime FR2711812B1 (en) 1993-10-27 1993-10-27 Method and system for automatically controlling the diaphragm of the imaging device.

Country Status (1)

Country Link
FR (1) FR2711812B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19835284C2 (en) * 1998-08-05 2001-03-01 Tuhh Tech Gmbh Device and method for the automatic focusing and exposure of image recording systems
CN100399183C (en) * 2006-07-10 2008-07-02 南京邮电大学 Self-adaptive automatic focusing method used in digital camera

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5142380A (en) * 1989-10-23 1992-08-25 Ricoh Company, Ltd. Image data processing apparatus
WO1991019262A1 (en) * 1990-05-25 1991-12-12 Axiom Innovation Ltd. An image acquisition system
FR2675330B1 (en) * 1991-04-11 1995-12-15 Telediffusion Fse A METHOD AND SYSTEM FOR AUTOMATIC FOCUSING OF A CAMERA USING TCD.
US6512791B1 (en) * 1991-05-15 2003-01-28 Canon Kabushiki Kaisha Image processing apparatus having means for controlling exposure using an orthogonal transformation coefficient

Also Published As

Publication number Publication date
FR2711812A1 (en) 1995-05-05

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