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    • 8. 发明申请
    • ESTIMATING SUBJECT MOTION BETWEEN IMAGE FRAMES
    • 估计图像帧之间的主体运动
    • WO2012106314A2
    • 2012-08-09
    • PCT/US2012023287
    • 2012-01-31
    • EASTMAN KODAK COJASINSKI DAVID WPILLMAN BRUCE HAROLD
    • JASINSKI DAVID WPILLMAN BRUCE HAROLD
    • H04N5/232
    • H04N5/2327H04N5/235
    • A method for determining a motion estimate, comprising: capturing at least two digital images of a scene at different capture times; designating one of the digital images as a reference digital image; designating a plurality of image regions; determining motion estimates for each image region by shifting the image regions within the non-reference digital images according to each of a plurality of spatial offsets relative to the image region within the reference digital image, computing merit function values for each spatial offset providing an indication of a difference between the image region in the reference digital image and the shifted image regions, computing a fitting function that provides an estimated merit function value as a function of spatial offset; and determining the motion estimate responsive to the determined non-integer spatial offset. A combined motion estimate is determined using weighting coefficients determined responsive to the shapes of the fitting functions.
    • 一种用于确定运动估计的方法,包括:在不同的捕获时间捕获场景的至少两个数字图像; 指定一个数字图像作为参考数字图像; 指定多个图像区域; 通过根据相对于参考数字图像内的图像区域的多个空间偏移中的每一个来移位非参考数字图像内的图像区域来确定每个图像区域的运动估计,计算每个空间偏移的优值函数值, 计算参考数字图像中的图像区域与移位的图像区域之间的差值,计算提供作为空间偏移的函数的估计的评估函数值的拟合函数; 以及响应于所确定的非整数空间偏移来确定运动估计。 使用响应于拟合函数的形状而确定的加权系数来确定组合的运动估计。