发明授权
US4984068A Motion-adaptive device for separating luminance signal and color signal
失效
用于分离亮度信号和颜色信号的运动自适应装置
- 专利标题： Motion-adaptive device for separating luminance signal and color signal
- 专利标题（中）： 用于分离亮度信号和颜色信号的运动自适应装置
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申请号： US489167申请日： 1990-03-06
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公开(公告)号： US4984068A公开(公告)日： 1991-01-08
- 发明人: Kenji Sugiyama , Yasuyuki Katayama , Nobuyuki Suzuki , Tomoaki Uchida , Tatsushi Kouguchi
- 申请人： Kenji Sugiyama , Yasuyuki Katayama , Nobuyuki Suzuki , Tomoaki Uchida , Tatsushi Kouguchi
- 申请人地址： JPX
- 专利权人： Victor Company of Japan, Ltd.
- 当前专利权人： Victor Company of Japan, Ltd.
- 当前专利权人地址： JPX
- 优先权： JPX62-336121 19871229; JPX62-336122 19871229; JPX62-336123 19871229
- 主分类号： H04N9/78
- IPC分类号： H04N9/78
摘要：
A motion detector detects motion of pictures represented by a composite color television signal and generates a motion signal representing the detected motion of pictures. A spatiotemporal filter extracts a color signal from the composite color television signal. A subtractor subtracts the color signal from the composite color television signal and thereby generates a luminance signal. The spatiotemporal filter includes a spatial filter. A pass band of the spatial filler is varied in accordance with the motion signal.
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