Title:
非演色色空間を介して変換されたビデオコンテンツからの周囲光のためのドミナントカラーの抽出
Document Type and Number:
Japanese Patent JP2008509453
Kind Code:
A
Abstract:
Extracting and processing video content encoded in a rendered color space to be emulated by an ambient light source, comprising extracting dominant color information from a video signal and transforming the color information through unrendered color space using tristimulus primary matrices to form a second rendered color space for ambient distribution. Steps include quantizing the rendered color space to form an assigned color distribution, such as by reducing possible color states, or binning to form superpixels; and selecting a dominant color using a mode, mean, median, or weighted average of pixel chromaticities. A color of interest can be further analyzed to produce a true dominant color, and past video frames can guide selection of dominant colors in future frames.
Inventors:
Srinifus footer
Mark Jay Eltzing
Mark Jay Eltzing
Application Number:
JP2007518782A
Publication Date:
March 27, 2008
Filing Date:
June 27, 2005
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
G06T1/00; G09G3/20; G09G3/34; H04N1/46; H04N1/60; H04N5/66; H04N9/64; H05B37/02
Domestic Patent References:
| JPH0676958A | 1994-03-18 | |||
| JPH06267664A | 1994-09-22 | |||
| JP2000173783A | 2000-06-23 |
Foreign References:
| WO2003101098A1 | 2003-12-04 |
Attorney, Agent or Firm:
Kenji Sugimura
Kosaku Sugimura
Shiro Fujitani
Kiyoshi Kuruma
Kosaku Sugimura
Shiro Fujitani
Kiyoshi Kuruma