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    • 2. 发明授权
    • Object motion estimating device, object motion estimating method, program, and recording medium
    • 物体运动估计装置,物体运动估计方法,程序和记录介质
    • US08805023B2
    • 2014-08-12
    • US13202751
    • 2010-01-25
    • Noboru SebeEitaku NobuyamaShuichi Enokida
    • Noboru SebeEitaku NobuyamaShuichi Enokida
    • G06K9/00
    • G06T7/269
    • An embodiment of the present invention provides an object motion estimating device and the like, which solve a problem of assuming translational movement (that is, a spatial gradient is 0) of an optical flow and are suitable to estimation of an optical flow by an image analysis of captured images. The object motion estimating device performs the image analysis of the captured images of the object to estimate motion of the object. The object motion estimating device includes an image analyzing unit 15. The image analyzing unit 15 assumes time invariance of the optical flow while not assuming the translational movement, and the image analyzing unit 15 estimates the optical flow with intensity at each point of the captured images as measurement variable while simultaneously estimating a spatial gradient of the optical flow. The assumption about the translational movement of the optical flow is an assumption about the optical flow that is actually unknown. The proposed object motion estimating device can relax this assumption of the translational movement of the optical flow as much as possible.
    • 本发明的一个实施例提供了一种对象运动估计装置等,其解决了假设光流的平移运动(即,空间梯度为0)的问题,并且适合于通过图像估计光流 拍摄图像的分析。 物体运动估计装置对被摄体的拍摄图像执行图像分析,以估计物体的运动。 物体运动估计装置包括图像分析单元15.图像分析单元15在不进行平移运动的同时假设光流的时间不变性,并且图像分析单元15估计所捕获图像的每个点的强度的光流 作为测量变量,同时估计光流的空间梯度。 关于光流的平移运动的假设是关于实际上未知的光流的假设。 所提出的对象运动估计装置可以尽可能地放松光流的平移运动的假设。
    • 3. 发明申请
    • OBJECT MOTION ESTIMATING DEVICE, OBJECT MOTION ESTIMATING METHOD, PROGRAM, AND RECORDING MEDIUM
    • 对象运动估计装置,对象运动估计方法,程序和记录介质
    • US20110299739A1
    • 2011-12-08
    • US13202751
    • 2010-01-25
    • Noboru SebeEitaku NobuyamaShuichi Enokida
    • Noboru SebeEitaku NobuyamaShuichi Enokida
    • G06K9/00
    • G06T7/269
    • An embodiment of the present invention provides an object motion estimating device and the like, which solve a problem of assuming translational movement (that is, a spatial gradient is 0) of an optical flow and are suitable to estimation of an optical flow by an image analysis of captured images. The object motion estimating device performs the image analysis of the captured images of the object to estimate motion of the object. The object motion estimating device includes an image analyzing unit 15. The image analyzing unit 15 assumes time invariance of the optical flow while not assuming the translational movement, and the image analyzing unit 15 estimates the optical flow with intensity at each point of the captured images as measurement variable while simultaneously estimating a spatial gradient of the optical flow. The assumption about the translational movement of the optical flow is an assumption about the optical flow that is actually unknown. The proposed object motion estimating device can relax this assumption of the translational movement of the optical flow as much as possible.
    • 本发明的一个实施例提供了一种对象运动估计装置等,其解决了假设光流的平移运动(即,空间梯度为0)的问题,并且适合于通过图像估计光流 拍摄图像的分析。 物体运动估计装置对被摄体的拍摄图像执行图像分析,以估计物体的运动。 物体运动估计装置包括图像分析单元15.图像分析单元15在不进行平移运动的同时假设光流的时间不变性,并且图像分析单元15估计所捕获图像的每个点的强度的光流 作为测量变量,同时估计光流的空间梯度。 关于光流的平移运动的假设是关于实际上未知的光流的假设。 所提出的对象运动估计装置可以尽可能地放松光流的平移运动的假设。