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1. 发明授权

US5541669A Motion adaptive luminance signal and color signal separation filter 失效
标题翻译：运动自适应亮度信号和彩色信号分离滤波器
公开(公告)号：US5541669A
公开(公告)日：1996-07-30
申请号：US387632
申请日：1995-02-13
申请人： Noriyuki Yamaguchi , Takuji Kurashita , Mitsuru Ishizuka , Junko Taniguchi , Masaharu Yao
发明人： Noriyuki Yamaguchi , Takuji Kurashita , Mitsuru Ishizuka , Junko Taniguchi , Masaharu Yao
IPC分类号： H04N9/78
CPC分类号： H04N9/78
摘要： A filter is used for separating luminance and color signals from a composite color television signal in which the frequency of the color signal is multiplexed over the high-frequency region of the luminance signal. When a picture is detected with respect to its motion under frame correlation and if that motion is relatively small, the separation of luminance and color signals is performed based on the interframe correlation. If the motion is relatively large, the separation of luminance and color signals is made based on the interfield correlation. The luminance and color signal separation based on the interfield correlation is attained from a correlation with signals in a field spaced forwardly away from the subject field by one field. This is accomplished by selecting a calculation having the highest correlation in calculations for an objective sample point and a plurality of sample points located about the objective sample point. Such a correlation is determined by checking the correlation of image signals in the set of sample points which are spaced apart from one another by one frame and located around the objective sample point.
摘要翻译：滤波器用于从彩色信号的频率在亮度信号的高频区域上复用的复合彩色电视信号中分离亮度和颜色信号。当相对于帧相关下的运动检测到图像时，如果该运动相对较小，则基于帧间相关性执行亮度和颜色信号的分离。如果运动相对较大，则基于场间相关性来进行亮度和色彩信号的分离。基于场间相关性的亮度和颜色信号分离是从与目标场间隔开一个场的场中的信号的相关性获得的。这通过选择在客观采样点的计算中具有最高相关性的计算和围绕客观采样点定位的多个采样点来实现。这样的相关性通过检查彼此间隔开一帧并且位于物镜采样点周围的采样点集合中的图像信号的相关性来确定。

2. 发明授权

US5475445A Motion adaptive luminance signal and color signal separation filter 失效
标题翻译：运动自适应亮度信号和彩色信号分离滤波器
公开(公告)号：US5475445A
公开(公告)日：1995-12-12
申请号：US279894
申请日：1994-07-25
申请人： Noriyuki Yamaguchi , Takuji Kurashita , Mitsuru Ishizuka , Junko Taniguchi , Masaharu Yao
发明人： Noriyuki Yamaguchi , Takuji Kurashita , Mitsuru Ishizuka , Junko Taniguchi , Masaharu Yao
IPC分类号： H04N9/78
CPC分类号： H04N9/78
摘要： A filter is used for separating luminance and color signals from a composite color television signal in which the frequency of the color signal is multiplexed over the high-frequency region of the luminance signal. When a picture is detected with respect to its motion under frame correlation, and if that motion is relatively small, the separation of luminance and color signals is performed based on interframe correlation. If the motion is relatively large, the separation of luminance and color signals is made based on interfield correlation. The luminance and color signal separation based on the interfield correlation is attained from a correlation with signals in fields spaced forwardly and rearwardly away from the subject field by one field. This is accomplished by selecting a calculation having the highest among a plurality of calculations for an objective sample point and a plurality of sample points located about the objective sample point. Such a correlation is determined by checking the correlation of image signals in the set of sample points which are spaced apart from one another by one frame and located around the objective sample point.
摘要翻译：滤波器用于从彩色信号的频率在亮度信号的高频区域上复用的复合彩色电视信号中分离亮度和颜色信号。当检测到相对于其在帧相关下的运动的图像时，如果该运动相对较小，则基于帧间相关性执行亮度和颜色信号的分离。如果运动相对较大，则基于场间相关性来进行亮度和色彩信号的分离。基于场间相关性的亮度和颜色信号分离是从与被摄体场向前和向后隔开一个场的场中的信号的相关性获得的。这是通过在客观采样点的多个计算中选择具有最高的计算和围绕客观采样点定位的多个采样点来实现的。这样的相关性通过检查彼此间隔开一帧并且位于物镜采样点周围的采样点集合中的图像信号的相关性来确定。

3. 发明授权

US5585861A Luminance and chrominance signals separating filter adaptive to movement of image 失效
标题翻译：亮度和色度信号分离过滤器适应图像的运动
公开(公告)号：US5585861A
公开(公告)日：1996-12-17
申请号：US344640
申请日：1994-11-09
申请人： Junko Taniguchi , Noriyuki Yamaguchi , Takuji Kurashita , Mitsuru Ishizuka , Masaharu Yao
发明人： Junko Taniguchi , Noriyuki Yamaguchi , Takuji Kurashita , Mitsuru Ishizuka , Masaharu Yao
IPC分类号： H03H17/02 , H03H21/00 , H04N9/78
CPC分类号： H04N9/78
摘要： A luminance (Y) and chrominance (C) signals separating filter includes a motion detecting circuit which partially detects a movement of an image utilizing a correlation between frames; an inter-frame YC separating circuit which performs a separation utilizing the inter-frame correlation when the motion detecting circuit detects a still image, and outputs intra-frame YC separated C signals and intra-frame YC separated Y signals; an intra-frame YC separating circuit which partially detects a correlation between fields or between frames and a correlation in a field when the motion detecting circuit detects a moving image, performs a separation utilizing the correlations, and outputs intra-frame YC separated C signals and intra-frame YC separated Y signals; a C signal mixing circuit which mixes the inter-frame YC separated C signals and the intra-frame YC separated C signals in accordance with an output of the motion detecting circuit and outputs motion adaptive YC separated C signals; and a Y signal mixing circuit which mixes the inter-frame YC separated Y signals and the intra-frame YC separated Y signals in accordance with the output of the motion detecting circuit and outputs motion adaptive YC separated Y signals.
摘要翻译：亮度（Y）和色度（C）信号分离滤波器包括运动检测电路，其利用帧之间的相关性部分地检测图像的移动; 帧间YC分离电路，当运动检测电路检测到静止图像时，利用帧间相关性进行分离，并输出帧内YC分离的C信号和帧内YC分离的Y信号; 帧内YC分离电路，当运动检测电路检测到运动图像时，部分地检测场之间或帧之间的相关性以及场中的相关性，利用相关性进行分离，并输出帧内YC分离的C信号和帧内YC分离Y信号; C信号混合电路，其根据运动检测电路的输出混合帧间YC分离C信号和帧内YC分离C信号，并输出运动自适应YC分离C信号; Y信号混合电路根据运动检测电路的输出混合帧间YC分离的Y信号和帧内YC分离的Y信号，并输出运动自适应YC分离的Y信号。

4. 发明授权

US5412434A Luminance and chrominance signals separating filter adaptive to movement of image 失效
标题翻译：亮度和色度信号分离过滤器适应图像的运动
公开(公告)号：US5412434A
公开(公告)日：1995-05-02
申请号：US850488
申请日：1992-03-12
申请人： Junko Taniguchi , Noriyuki Yamaguchi , Takuji Kurashita , Mitsuru Ishizuka , Masaharu Yao
发明人： Junko Taniguchi , Noriyuki Yamaguchi , Takuji Kurashita , Mitsuru Ishizuka , Masaharu Yao
IPC分类号： H03H17/02 , H03H21/00 , H04N9/78
CPC分类号： H04N9/78
摘要： A luminance (Y) and chrominance (C) signals separating filter includes a movement detecting circuit which partially detects a movement of an image utilizing a correlation between frames; an inter-frame YC separating circuit which performs a separation utilizing the inter-frame correlation when the movement detecting circuit detects a still image, and outputs intra-frame YC separated C signals and intra-frame YC separated Y signals; an intra-frame YC separating circuit which partially detects a correlation between fields or between frames and a correlation in a field when the movement detecting circuit detects a moving image, performs a separation utilizing the correlations, and outputs intra-frame YC separated C signals and intra-frame YC separated Y signals; a C signal mixing circuit which mixes the inter-frame YC separated C signals and the intra-frame YC separated C signals in accordance with an output of the movement detecting circuit and outputs movement adaptive YC separated C signals; and a Y signal mixing circuit which mixes the inter-frame YC separated Y signals and the intra-frame YC separated Y signals in accordance with the output of the movement detecting circuit and outputs movement adaptive YC separated Y signals.
摘要翻译：亮度（Y）和色度（C）信号分离滤波器包括移动检测电路，其利用帧之间的相关性部分地检测图像的移动; 帧间YC分离电路，当移动检测电路检测到静止图像时，利用帧间相关性进行分离，并输出帧内YC分离的C信号和帧内YC分离的Y信号; 帧内YC分离电路，当运动检测电路检测到运动图像时，部分地检测场之间或帧之间的相关性以及场中的相关性，利用相关性进行分离，并输出帧内YC分离的C信号和帧内YC分离Y信号; C信号混合电路，根据移动检测电路的输出混合帧间YC分离C信号和帧内YC分离C信号，并输出移动自适应YC分离C信号; Y信号混合电路根据移动检测电路的输出混合帧间YC分离的Y信号和帧内YC分离的Y信号，输出运动自适应YC分离的Y信号。

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