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公开(公告)号:US5192998A
公开(公告)日:1993-03-09
申请号:US902548
申请日:1992-06-22
申请人: Jun Tokumitsu , Minoru Yoshii , Shigeyuki Suda , Masayoshi Sekine
发明人: Jun Tokumitsu , Minoru Yoshii , Shigeyuki Suda , Masayoshi Sekine
CPC分类号: G02B7/36 , H04N5/23212
摘要: An in-focus detecting device is arranged to detect the width of a color transition area of an object image from the color components of a video signal and to determine an in-focus state by evaluating the width.
摘要翻译: 焦点检测装置被配置为根据视频信号的颜色分量来检测对象图像的颜色过渡区域的宽度,并且通过评估宽度来确定对焦状态。
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公开(公告)号:US5173770A
公开(公告)日:1992-12-22
申请号:US852494
申请日:1992-03-17
申请人: Toshiaki Kondo , Masayoshi Sekine
发明人: Toshiaki Kondo , Masayoshi Sekine
IPC分类号: G06T7/20
CPC分类号: G06T7/2026 , G06T7/2066
摘要: Movement vector detection device comprises a concentration difference operation circuit to compute a concentration difference between image planes, space gradient operation circuit to compute an average space gradient of a current image plane and a preceding image plane, concentration difference correction circuit to correct by the sign of space gradient the concentration difference obtained by concentration difference operation circuit, first totalizing circuit to computes the total sum in a prescribed block of the outputs from the concentration difference correction circuit, second totalizing circuit to compute the total sum in a prescribed block of the absolute value of average space gradient by the space gradient operation circuit and division circuit to divide the outputs from the first totalizing circuit by outputs from the second totalizing circuit.
摘要翻译: 运动矢量检测装置包括:浓度差运算电路,用于计算图像平面之间的浓度差;空间梯度运算电路,计算当前图像平面和前一图像平面的平均空间梯度;浓度差校正电路, 空间梯度,由浓度差运算电路得到的浓度差,第一累计电路,用于计算来自浓度差校正电路的输出的规定块中的总和,第二累加电路,用于计算规定的绝对值的总和 通过空间梯度运算电路和除法电路的平均空间梯度的平均空间梯度,以通过来自第二累加电路的输出来分频来自第一累加电路的输出。
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