Title:
ダイナミック偽輪郭効果の補償を改善したビデオ画像の処理方法およびビデオ画像の処理装置
Document Type and Number:
Japanese Patent JP2005531799
Kind Code:
A
Abstract:
The invention relates to a method for processing video pictures for display on a display device having a plurality of luminous elements corresponding to the pixels of a picture wherein the time of a video frame or field is divided into a plurality of N sub-fields (SF) during which the luminous elements can be activated for light emission in small pulses corresponding to a sub-field code word of n bits used for coding the p possible video levels lighting a pixel, comprising the steps of : determining if pictures are static pictures or moving pictures, in case of static pictures, processing video pictures using a first sub-field encoding method adapted to pictures when no motion is detected, and in case of moving pictures, processing video pictures using a second encoding method reducing dynamic false contour effect adapted to pictures when motion is detected. The invention applies to plasma display panels.
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Inventors:
Sebastian Weitbruch
Cedric Tebort
Carlos Correa
Ingo dozer
Cedric Tebort
Carlos Correa
Ingo dozer
Application Number:
JP2004516777A
Publication Date:
October 20, 2005
Filing Date:
June 17, 2003
Export Citation:
Assignee:
Thomson Licensing
International Classes:
G09G3/36; G06T5/00; G06T5/20; G06T7/20; G09G3/20; H04N5/66; G09G3/28; (IPC1-7): G09G3/28; G09G3/20; G09G3/36; H04N5/66
Domestic Patent References:
| JP2000352954A | 2000-12-19 | |||
| JPH11231824A | 1999-08-27 | |||
| JPH1039831A | 1998-02-13 | |||
| JP2001034229A | 2001-02-09 | |||
| JPH11231831A | 1999-08-27 | |||
| JPH11212517A | 1999-08-06 | |||
| JPH10319903A | 1998-12-04 |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard