ATE194445T1 - Optimale graustufenabbildung in elektronischen kameras - Google Patents

Optimale graustufenabbildung in elektronischen kameras

Info

Publication number
ATE194445T1
ATE194445T1 AT96920224T AT96920224T ATE194445T1 AT E194445 T1 ATE194445 T1 AT E194445T1 AT 96920224 T AT96920224 T AT 96920224T AT 96920224 T AT96920224 T AT 96920224T AT E194445 T1 ATE194445 T1 AT E194445T1
Authority
AT
Austria
Prior art keywords
grayscale image
image
electronic cameras
gamma curve
tone scale
Prior art date
Application number
AT96920224T
Other languages
English (en)
Inventor
Julian G Bullitt
Allan C Green
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of ATE194445T1 publication Critical patent/ATE194445T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
AT96920224T 1995-05-18 1996-05-16 Optimale graustufenabbildung in elektronischen kameras ATE194445T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/443,680 US5539459A (en) 1995-05-18 1995-05-18 Optimal tone scale mapping in electronic cameras
PCT/US1996/006977 WO1996037072A1 (en) 1995-05-18 1996-05-16 Optimal tone scale mapping in electronic cameras

Publications (1)

Publication Number Publication Date
ATE194445T1 true ATE194445T1 (de) 2000-07-15

Family

ID=23761777

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96920224T ATE194445T1 (de) 1995-05-18 1996-05-16 Optimale graustufenabbildung in elektronischen kameras

Country Status (7)

Country Link
US (1) US5539459A (de)
EP (1) EP0826285B1 (de)
JP (1) JPH11505393A (de)
AT (1) ATE194445T1 (de)
CA (1) CA2221281A1 (de)
DE (1) DE69609180T2 (de)
WO (1) WO1996037072A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6163344A (en) * 1995-08-31 2000-12-19 Nikon Corporation Electronic camera that transfers signals to an external device
KR20000016553A (ko) * 1997-04-07 2000-03-25 요트.게.아. 롤페즈 감마 보정 회로
US6667494B1 (en) * 1997-08-19 2003-12-23 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and semiconductor display device
US6717179B1 (en) 1997-08-19 2004-04-06 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and semiconductor display device
JP3980178B2 (ja) 1997-08-29 2007-09-26 株式会社半導体エネルギー研究所 不揮発性メモリおよび半導体装置
JPH11143379A (ja) * 1997-09-03 1999-05-28 Semiconductor Energy Lab Co Ltd 半導体表示装置補正システムおよび半導体表示装置の補正方法
JPH11154240A (ja) 1997-11-20 1999-06-08 Nintendo Co Ltd 取込み画像を用いて画像を作成するための画像作成装置
US6435969B1 (en) 1998-11-03 2002-08-20 Nintendo Co., Ltd. Portable game machine having image capture, manipulation and incorporation
JP3632505B2 (ja) * 1999-06-18 2005-03-23 セイコーエプソン株式会社 画像表示装置
US6894686B2 (en) 2000-05-16 2005-05-17 Nintendo Co., Ltd. System and method for automatically editing captured images for inclusion into 3D video game play
US7740437B2 (en) * 2006-09-22 2010-06-22 Asm International N.V. Processing system with increased cassette storage capacity
US8290295B2 (en) * 2009-03-03 2012-10-16 Microsoft Corporation Multi-modal tone-mapping of images

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600506A (en) * 1969-03-03 1971-08-17 Magnavox Co Background sensing and black level setting circuit
US4394744A (en) * 1981-02-12 1983-07-19 The United States Of America As Represented By The Secretary Of The Navy Real-time amplitude histogram shaper
JPS61115183A (ja) * 1984-11-09 1986-06-02 Toshiba Corp 濃淡画像処理における濃度階調変換方式
US4663667A (en) * 1985-11-25 1987-05-05 Polaroid Corporation Contrast control circuit
US4825293A (en) * 1986-10-16 1989-04-25 Fuji Photo Film Co., Ltd. Sensitivity compensating method for solid-state image pickup element used in electronic still camera
JPH0220977A (ja) * 1988-01-07 1990-01-24 Fuji Photo Film Co Ltd 逆光補正方式
AU607033B2 (en) * 1988-01-12 1991-02-21 Sanyo Electric Co., Ltd. Auto iris/gamma correction apparatus for making automatic exposure adjustment and/or automatic gamma correction in response to video signal and image sensing apparatus comprising such auto iris/gamma correction apparatus
JP2539488B2 (ja) * 1988-06-03 1996-10-02 株式会社日立製作所 撮像装置
JPH089606B2 (ja) * 1988-07-08 1996-01-31 三菱化学株式会社 無水マレイン酸の製造法
US4939581A (en) * 1988-11-23 1990-07-03 Hanoch Shalit Method and system in video image hard copy reproduction
JP2924079B2 (ja) * 1990-05-14 1999-07-26 ソニー株式会社 ガンマ補正回路
US5047861A (en) * 1990-07-31 1991-09-10 Eastman Kodak Company Method and apparatus for pixel non-uniformity correction
US5287122A (en) * 1990-08-23 1994-02-15 Schlumberger Technology Corporation System and method of selecting the reproducible colors in a discrete reproduction system
EP0529635B1 (de) * 1991-08-30 1998-11-04 Matsushita Electric Industrial Co., Ltd. Bildverarbeitungsgerät
US5162902A (en) * 1991-12-16 1992-11-10 Thomson Consumer Electronics, Inc. Non-linear luminance signal processor responsive to average picture level (APL) of displayed image
US5345265A (en) * 1992-12-31 1994-09-06 Samsung Electronics Co., Ltd. Gamma correction circuit for a video camera

Also Published As

Publication number Publication date
EP0826285B1 (de) 2000-07-05
US5539459A (en) 1996-07-23
DE69609180T2 (de) 2000-12-14
CA2221281A1 (en) 1996-11-21
EP0826285A1 (de) 1998-03-04
WO1996037072A1 (en) 1996-11-21
JPH11505393A (ja) 1999-05-18
DE69609180D1 (de) 2000-08-10

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Legal Events

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