Movement vector detection device
    72.
    发明授权
    Movement vector detection device 失效
    运动矢量检测装置

    公开(公告)号:US5173770A

    公开(公告)日:1992-12-22

    申请号:US852494

    申请日:1992-03-17

    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。