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    • 1. 发明申请
    • OVER-PARAMETERIZED VARIATIONAL OPTICAL FLOW METHOD
    • 超参数变化光流法
    • WO2008099399A2
    • 2008-08-21
    • PCT/IL2008/000194
    • 2008-02-14
    • TECHNION RESEARCH AND DEVELOPMENT FOUNDATION LTD.TAL, NirBRUCKSTEIN, Alfred, M.KIMMEL, Ron
    • TAL, NirBRUCKSTEIN, Alfred, M.KIMMEL, Ron
    • G06T7/20
    • G06T7/269
    • An optical flow estimation process based on a spatio-temporal model with varying coefficients multiplying a set of basis functions at each pixel. The benefit of over-parameterization becomes evident in the smoothness term, which instead of directly penalizing for changes in the optic flow, accumulates a cost of deviating from the assumed optic flow model. The optical flow field is represented by a general space-time model comprising a selected set of basis functions. The optical flow parameters are computed at each pixel in terms of coefficients of the basis functions. The model is thus highly over-parameterized, and regularization is applied at the level of the coefficients, rather than the model itself. As a result, the actual optical flow in the group of images is represented more accurately than in methods that are known in the art.
    • 基于具有变化系数的时空模型的光流估计过程与每个像素处的一组基函数相乘。 在平滑度项中,过参数化的优点变得明显,而不是直接影响光流变化,积累了偏离假想光流模型的成本。 光流场由包括所选择的一组基函数的一般时空模型表示。 根据基函数的系数,在每个像素处计算光流参数。 因此,该模型被高度过度参数化,并且在系数水平上应用正则化,而不是模型本身。 结果,与本领域已知的方法相比,图像组中的实际光流被更为准确地表示。
    • 6. 发明申请
    • PARALLEL PROCESSING MOTION ESTIMATION FOR H.264 VIDEO CODEC
    • H.264视频编解码器的并行处理运动估计
    • WO2008067501A2
    • 2008-06-05
    • PCT/US2007/085989
    • 2007-11-29
    • NOVAFORA, INC.BRONSTEIN, MichaelBRONSTEIN, AlexanderKIMMEL, RonRAKIB, Shlomo, Selim
    • BRONSTEIN, MichaelBRONSTEIN, AlexanderKIMMEL, RonRAKIB, Shlomo, Selim
    • G06F15/18
    • H04N19/176G06T7/215G06T7/223G06T2200/28G06T2207/10016H04N19/119H04N19/147H04N19/43H04N19/53H04N19/567H04N19/61
    • A genus of motion estimation processes is disclosed which is characterized by the following characteristics which all species in the genus will share 1) a process within this genus does not perform the motion estimation separately for each of the partitions and subpartitions defined in the H.264 standard; 2) a process within the genus computes for each motion vector in the search region the partial costs for all macroblock partitions and subpartitions, compares them to the best partial costs found so far, and for partitions and subpartitions having lower costs updates the corresponding best partial costs and records the current motion vectors as the one realizing them. 3) a process within the genus after finishing scanning the motion vectors in the search region, computes from the best partial costs the total costs for all possible macroblock partitioning modes and selects the one with the lowest total cost as the best macroblock partitioning mode, with the best motion vectors corresponding to each of the selected macroblock partitions and sub-partitions.
    • 公开了一类运动估计过程,其特征在于该属的所有物种将共享的以下特征:1)该属内的过程不针对每个分区单独执行运动估计 和H.264标准中定义的子分区; 2)属内的过程为搜索区域中的每个运动矢量计算所有宏块分区和子分区的部分成本,将它们与迄今为止发现的最佳部分成本进行比较,对于成本较低的分区和子分区,更新相应的最佳部分 花费并记录当前的运动矢量作为实现它们的一个。 3)在完成扫描搜索区域中的运动矢量之后,该属内的过程从最佳部分成本计算所有可能的宏块划分模式的总成本,并选择具有最低总成本的那个作为最佳宏块划分模式, 与每个所选宏块分区和子分区对应的最佳运动矢量。
    • 8. 发明申请
    • THREE-DIMENSIONAL VIDEO SCANNER
    • 三维视频扫描仪
    • WO2005067389A2
    • 2005-07-28
    • PCT/IL2005/000057
    • 2005-01-16
    • TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD.KIMMEL, Ron
    • KIMMEL, Ron
    • G01B11/25G06K9/00
    • G01B11/2513
    • Apparatus for analyzing light having at least one wavelength, the apparatus having a light deflector (12) for deflecting the light to provide a deflected light beam characterized by at least one wavelength dependent angle corresponding to the at least one wavelength of light, and encoder (20) capable of encoding the deflected light beam so as to provide an encoded light beam charaterized by at least one angle dependent polarization state corresponding to the at least one wavelength-dependent angle; and a decoder (24) for decoding the encoded light beam to determine at least one spectral component of the light.
    • 用于分析具有至少一个波长的光的设备,所述设备具有用于偏转所述光的光偏转器(12)以提供偏转的光束,所述偏转的光束的特征在于至少一个对应于所述至少一个波长 一个波长的光和编码器(20),所述编码器能够编码偏转的光束,从而提供以至少一个对应于所述至少一个取决于波长的角度的依赖于角度的偏振状态为特征的编码光束; 和解码器(24),用于解码编码的光束以确定光的至少一个光谱分量。