BRPI0605206A - método e dispositivo para processamento de imagens de vìdeo - Google Patents

método e dispositivo para processamento de imagens de vìdeo

Info

Publication number
BRPI0605206A
BRPI0605206A BRPI0605206-1A BRPI0605206A BRPI0605206A BR PI0605206 A BRPI0605206 A BR PI0605206A BR PI0605206 A BRPI0605206 A BR PI0605206A BR PI0605206 A BRPI0605206 A BR PI0605206A
Authority
BR
Brazil
Prior art keywords
video image
dithering
pixel values
display device
relates
Prior art date
Application number
BRPI0605206-1A
Other languages
English (en)
Portuguese (pt)
Inventor
Cedric Thebault
Carlos Correa
Rainer Zwing
Original Assignee
Thomson Licensing
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 filed Critical Thomson Licensing
Publication of BRPI0605206A publication Critical patent/BRPI0605206A/pt

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
    • G09G3/2029—Display of intermediate tones by time modulation using two or more time intervals using sub-frames the sub-frames having non-binary weights
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2044—Display of intermediate tones using dithering
    • G09G3/2051—Display of intermediate tones using dithering with use of a spatial dither pattern
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0266—Reduction of sub-frame artefacts
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
    • G09G3/293—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for address discharge

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Control Of Gas Discharge Display Tubes (AREA)
BRPI0605206-1A 2005-12-20 2006-12-06 método e dispositivo para processamento de imagens de vìdeo BRPI0605206A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05292769A EP1801769A1 (en) 2005-12-20 2005-12-20 Method and device for processing video pictures

Publications (1)

Publication Number Publication Date
BRPI0605206A true BRPI0605206A (pt) 2007-10-09

Family

ID=36273364

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0605206-1A BRPI0605206A (pt) 2005-12-20 2006-12-06 método e dispositivo para processamento de imagens de vìdeo

Country Status (5)

Country Link
US (1) US7598970B2 (enExample)
EP (1) EP1801769A1 (enExample)
JP (1) JP5160082B2 (enExample)
CN (1) CN1987966B (enExample)
BR (1) BRPI0605206A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2264691A1 (en) * 2009-06-18 2010-12-22 Thomson Licensing Method and apparatus for reducing driver energy consumption
CN101908313B (zh) * 2010-08-02 2012-10-17 福州大学 多路脉宽调制数字显示系统功率动态均衡的方法及装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216417A (en) * 1990-05-22 1993-06-01 Seiko Epson Corporation Multi-tone level displaying method by bi-level display devices and multi-tone level displaying unit
US5777599A (en) * 1992-02-14 1998-07-07 Oki Electric Industry Co., Ltd. Image generation device and method using dithering
US6661470B1 (en) * 1997-03-31 2003-12-09 Matsushita Electric Industrial Co., Ltd. Moving picture display method and apparatus
EP0982708B1 (en) * 1998-08-19 2011-05-11 Thomson Licensing Method and apparatus for processing video pictures, in particular for large area flicker effect reduction
EP0982707A1 (en) * 1998-08-19 2000-03-01 Deutsche Thomson-Brandt Gmbh Method and apparatus for processing video pictures, in particular for large area flicker effect reduction
JP4360450B2 (ja) * 1999-06-09 2009-11-11 株式会社日立プラズマパテントライセンシング 表示装置
JP2001109420A (ja) * 1999-10-07 2001-04-20 Mitsubishi Electric Corp マトリクス型表示パネルの駆動回路およびこれを備えるマトリクス型表示装置
EP1136974A1 (en) 2000-03-22 2001-09-26 Deutsche Thomson-Brandt Gmbh Method for processing video data for a display device
JP3634768B2 (ja) * 2000-04-21 2005-03-30 松下電器産業株式会社 データ書き込み時の消費電力の低減が図られた多階調画像表示装置
JP2002156942A (ja) * 2000-08-23 2002-05-31 Matsushita Electric Ind Co Ltd 画像表示装置
EP1262947B1 (en) 2001-06-01 2013-10-09 Thomson Licensing Method and apparatus for processing video picture data for a display device
EP1262942A1 (en) * 2001-06-01 2002-12-04 Deutsche Thomson-Brandt Gmbh Method and apparatus for processing video data for a display device
JP5157031B2 (ja) * 2001-08-23 2013-03-06 パナソニック株式会社 プラズマディスプレイパネルの駆動方法
US7098876B2 (en) * 2001-09-06 2006-08-29 Samsung Sdi Co., Ltd. Image display method and system for plasma display panel
EP1359749A1 (en) * 2002-05-04 2003-11-05 Deutsche Thomson-Brandt Gmbh Multiscan display mode for a plasma display panel
EP1387340A1 (en) * 2002-07-30 2004-02-04 Deutsche Thomson-Brandt Gmbh Method and device for processing video data for a display

Also Published As

Publication number Publication date
US7598970B2 (en) 2009-10-06
CN1987966B (zh) 2010-11-03
JP5160082B2 (ja) 2013-03-13
CN1987966A (zh) 2007-06-27
EP1801769A1 (en) 2007-06-27
JP2007171952A (ja) 2007-07-05
US20070139305A1 (en) 2007-06-21

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]