Title:
カラー画像品質補償回路及びその補償方法
Document Type and Number:
Japanese Patent JP3571493
Kind Code:
B2
Abstract:
A color picture quality compensation circuit e.g. for skin color compensation comprising a device for detecting whether a reference color signal is present in a color signal representing a color of a video image; a device for determining a respective one of a plurality of types of reference color corresponding to a detected reference color signal; a device for providing preset compensation values, each value corresponding to a respective one of said plurality of types of reference color; and a device for adjusting the picture quality of the video image in accordance with one of said compensation values corresponding to said respective type of reference color.
Inventors:
Lee Kang-Chun
Hayeon-ho
Hong Kyung-Chul
Hayeon-ho
Hong Kyung-Chul
Application Number:
JP12734697A
Publication Date:
September 29, 2004
Filing Date:
May 16, 1997
Export Citation:
Assignee:
LG Electronics Co., Ltd.
International Classes:
H04N1/60; H04N9/64; H04N9/68; (IPC1-7): H04N9/64; H04N1/60; H04N9/68
Domestic Patent References:
| JP6123489A | ||||
| JP4150690A | ||||
| JP62229478A | ||||
| JP4267691A | ||||
| JP7288836A |
Attorney, Agent or Firm:
Takashi Ishida
Jun Tsuruta
Shimichi Akihisa
Masaya Nishiyama
Higuchi Souji
Jun Tsuruta
Shimichi Akihisa
Masaya Nishiyama
Higuchi Souji