DE602007010493D1 - Räumliche Maskierung unter Verwendung eines örtlichen Aktivitätsmaßes - Google Patents

Räumliche Maskierung unter Verwendung eines örtlichen Aktivitätsmaßes

Info

Publication number
DE602007010493D1
DE602007010493D1 DE602007010493T DE602007010493T DE602007010493D1 DE 602007010493 D1 DE602007010493 D1 DE 602007010493D1 DE 602007010493 T DE602007010493 T DE 602007010493T DE 602007010493 T DE602007010493 T DE 602007010493T DE 602007010493 D1 DE602007010493 D1 DE 602007010493D1
Authority
DE
Germany
Prior art keywords
activity measure
local activity
spatial masking
masking
spatial
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.)
Active
Application number
DE602007010493T
Other languages
English (en)
Inventor
Xiaoan Lu
Jiefu Zhai
Cristina Gomila
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing 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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE602007010493D1 publication Critical patent/DE602007010493D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/40—Analysis of texture
    • G06T7/41—Analysis of texture based on statistical description of texture

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Probability & Statistics with Applications (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
DE602007010493T 2006-09-29 2007-09-18 Räumliche Maskierung unter Verwendung eines örtlichen Aktivitätsmaßes Active DE602007010493D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84829606P 2006-09-29 2006-09-29
PCT/US2007/020227 WO2008042112A2 (en) 2006-09-29 2007-09-18 Spatial activity metric and method for evaluating the same

Publications (1)

Publication Number Publication Date
DE602007010493D1 true DE602007010493D1 (de) 2010-12-23

Family

ID=39268952

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007010493T Active DE602007010493D1 (de) 2006-09-29 2007-09-18 Räumliche Maskierung unter Verwendung eines örtlichen Aktivitätsmaßes

Country Status (7)

Country Link
US (1) US20090268981A1 (de)
EP (1) EP2070048B1 (de)
JP (1) JP5048071B2 (de)
KR (1) KR20090068222A (de)
CN (1) CN101523441B (de)
DE (1) DE602007010493D1 (de)
WO (1) WO2008042112A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102567961B (zh) * 2010-12-30 2016-05-18 意法半导体研发(深圳)有限公司 感知块屏蔽估算系统
CN103428523B (zh) * 2012-05-22 2015-07-08 华为技术有限公司 评估视频质量的方法和装置
GB2513112B (en) * 2013-04-08 2020-01-08 Snell Advanced Media Ltd Video sequence processing
JP6300565B2 (ja) 2014-02-19 2018-03-28 株式会社メガチップス 動画像符号化装置、プログラム、および、集積回路
US10356283B2 (en) 2015-07-24 2019-07-16 Hp Indigo B.V. Gray component replacement in a digital image to generate a color transformed image
WO2019057846A1 (en) * 2017-09-21 2019-03-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. CONCEPT FOR VARYING A CODING QUANTIFICATION PARAMETER IN AN IMAGE, ADJUSTING A CODING QUANTIFICATION PARAMETER AND ADAPTING A CODING QUANTITY PARAMETER OF A MULTI-CHANNEL IMAGE

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960010392B1 (ko) * 1990-09-29 1996-07-31 니뽕 빅터 가부시끼가이샤 적응 양자화를 이용한 화상 신호 부호화 복호화 장치
US5214507A (en) * 1991-11-08 1993-05-25 At&T Bell Laboratories Video signal quantization for an mpeg like coding environment
US5764307A (en) * 1995-07-24 1998-06-09 Motorola, Inc. Method and apparatus for spatially adaptive filtering for video encoding
US5974181A (en) * 1997-03-20 1999-10-26 Motorola, Inc. Data compression system, method, and apparatus
WO2001035677A1 (en) * 1999-11-11 2001-05-17 Stmicroelectronics Asia Pacific Pte Ltd. Video signal noise level estimator
US6580062B2 (en) * 2001-05-29 2003-06-17 Hewlett-Packard Development Company, L.P. Contrast focus figure-of-merit method that is insensitive to scene illumination level
US7062108B2 (en) * 2001-06-12 2006-06-13 Eastman Kodak Company Method for estimating the appearance of noise in images
CN101409835B (zh) * 2002-11-08 2014-09-17 苹果公司 利用拉格朗日乘子和视觉掩蔽来控制速率-失真折中的方法和装置
GB0228556D0 (en) * 2002-12-06 2003-01-15 British Telecomm Video quality measurement
KR100584552B1 (ko) * 2003-01-14 2006-05-30 삼성전자주식회사 동영상 부호화 및 복호화 방법과 그 장치
CN100591102C (zh) * 2003-04-10 2010-02-17 汤姆森许可贸易公司 用于在编码视频上仿真胶片颗粒的技术
FR2857205B1 (fr) * 2003-07-04 2005-09-23 Nextream France Dispositif et procede de codage de donnees video
JP2006067302A (ja) * 2004-08-27 2006-03-09 Toshiba Corp 画像符号化装置、画像符号化方法および画像符号化プログラム
FR2893738B1 (fr) * 2005-11-18 2007-12-28 Pascal Hannequin Reduction de bruit dans une image numerique par transformee en cosinus discrete.

Also Published As

Publication number Publication date
JP2010505342A (ja) 2010-02-18
EP2070048A2 (de) 2009-06-17
JP5048071B2 (ja) 2012-10-17
WO2008042112A2 (en) 2008-04-10
CN101523441B (zh) 2012-01-18
KR20090068222A (ko) 2009-06-25
WO2008042112A3 (en) 2008-05-29
US20090268981A1 (en) 2009-10-29
EP2070048B1 (de) 2010-11-10
CN101523441A (zh) 2009-09-02

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