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    • 3. 发明授权
    • Method for encoding a first and a second data word
    • 用于编码第一和第二数据字的方法
    • US08311090B2
    • 2012-11-13
    • US11212122
    • 2005-08-25
    • Markus SchuPeter RiederMarko HahnGuenter SchefflerChristian Tuschen
    • Markus SchuPeter RiederMarko HahnGuenter SchefflerChristian Tuschen
    • H04N7/12
    • H03M7/30H04N19/186H04N19/593
    • A method for encoding first and second data words, which may represent differential data values (e.g., luminance and chrominance difference data values), onto an encoded data word includes: assigning a first code word to a first approximation value for a first data value, and assigning a second code word to second approximation value for a second data value; mapping the first and the second code words onto respective first and second data segments of the encoded data word; determining a first difference value between the first data value and the first approximation value and determining a second difference value between the second data value and the second approximation value; and at least partial mapping a first difference data word representing the first difference value and/or a second difference data word representing the second difference value onto at least one additional data segment of the encoded data word.
    • 一种用于将可能表示差分数据值(例如,亮度和色度差数据值)的第一和第二数据字编码到编码数据字上的方法包括:将第一码字分配给第一数据值的第一近似值, 以及将第二码字分配给第二数据值的第二近似值; 将第一和第二码字映射到编码数据字的相应第一和第二数据段上; 确定第一数据值和第一近似值之间的第一差值,并确定第二数据值和第二近似值之间的第二差值; 并且至少部分地将表示第一差分值的第一差分数据字和/或表示第二差分值的第二差分数据字映射到编码数据字的至少一个附加数据段上。
    • 5. 发明申请
    • Method for encoding a first and a second data word
    • 用于编码第一和第二数据字的方法
    • US20060045178A1
    • 2006-03-02
    • US11212122
    • 2005-08-25
    • Markus SchuPeter RiederMarko HahnGuenter SchefflerChristian Tuschen
    • Markus SchuPeter RiederMarko HahnGuenter SchefflerChristian Tuschen
    • H04N11/04H04N11/02H04N7/12H04B1/66
    • H03M7/30H04N19/186H04N19/593
    • A method for encoding first and second data words, which may represent differential data values (e.g., luminance and chrominance difference data values), onto an encoded data word includes determining a first approximation value, to which a first code word is assigned, for a first data value, and determining a second approximation value, to which a second code word is assigned, for a second data value; mapping the first and second code words onto first and second data segments, respectively, of the encoded data word; determining a first difference value between the first data value and the first approximation value and determining a second difference value between the second data value and the second approximation value; and at least partial mapping of a first difference data word representing the first difference value and/or a second difference data word representing the second difference value onto at least one additional data segment of the encoded data word. The first and second data values are represented by first and second data words, respectively, each containing a number of data bits. The first approximation value is formed in that a position is determined for the highest relevant data bit for the value of the first data word and the power of two is formed for this bit position. The second approximation value is formed in that a position is determined for the highest relevant data bit for the value of the second data word and the power of two is formed for this bit position. Each data bit position of the first data word is assigned at least one first code word that is individual to this bit position, and each data bit position of the second data word is assigned at least one second code word that is individual to this bit position. Each bit position of the first data word is assigned a first sequence number and each bit position of the second data word is assigned a second sequence number.
    • 一种用于将可能表示差分数据值(例如,亮度和色差差数据值)的第一和第二数据字编码到编码数据字上的方法包括:确定第一个近似值,第一个近似值被分配给第一个代码字, 第一数据值,并且为第二数据值确定分配了第二码字的第二近似值; 将第一和第二码字分别映射到编码数据字的第一和第二数据段上; 确定第一数据值和第一近似值之间的第一差值,并确定第二数据值和第二近似值之间的第二差值; 以及表示第一差分值的第一差分数据字和/或表示第二差值的第二差分数据字的至少部分映射到编码数据字的至少一个附加数据段。 第一和第二数据值分别由分别包含多个数据位的第一数据字和第二数据字表示。 形成第一近似值,其中为第一数据字的值的最高相关数据位确定位置,并且为该位位置形成二的幂。 形成第二近似值,其中为第二数据字的值的最高相关数据位确定位置,并且为该位位置形成两个的功率。 分配第一数据字的每个数据位位置至少一个第一代码字,该第一代码字对于该位位置是独立的,并且第二数据字的每个数据位位置被分配至少一个第二代码字,该第二代码字对于该位位置是独立的 。 第一数据字的每个比特位置被分配第一序列号,并且第二数据字的每个比特位置被分配第二序列号。
    • 7. 发明申请
    • METHOD FOR ESTIMATING THE MOTION IN IMAGE PROCESSING
    • 用于估计图像处理运动的方法
    • US20090115851A1
    • 2009-05-07
    • US12258178
    • 2008-10-24
    • Peter RiederGuenter SchefflerChristian TuschenMarko HahnMarkus Schu
    • Peter RiederGuenter SchefflerChristian TuschenMarko HahnMarkus Schu
    • H04N17/00
    • H04N19/51H04N19/56
    • A method is described for selecting a motion vector for a first image block of an image of an image sequence from a number of test vectors, wherein at least one of these test vectors is a motion vector of a further image block that is arranged temporally and/or spatially adjacent to the first image block, or a vector formed by modification of this motion vector, and wherein the method covers:Determining a distance measurement for each test vector, Determining a vector length of the test vectors and determining the test vector with the shortest vector length or a first subgroup of test vectors with the shortest vector lengths compared to the other test vectors, Determining a modified distance measurement to the shortest test vector or to the test vectors of the subgroup depending on the distance measurement determined to the respective test vector and depending on a length measurement, Comparing the modified distance measurement of the shortest motion vector or the modified distance measurement of the test vectors of the first subgroup to the distance measurements of the other test vectors and selecting one of the test vectors depending on this comparison.
    • 描述了一种用于从多个测试向量中选择图像序列的图像的第一图像块的运动矢量的方法,其中这些测试矢量中的至少一个是在时间上布置的另外的图像块的运动矢量, 或者与第一图像块空间相邻,或通过修改该运动矢量形成的矢量,并且其中该方法包括:确定每个测试向量的距离测量,确定测试向量的向量长度并确定测试向量与 最短矢量长度或与其他测试向量相比具有最短矢量长度的测试矢量的第一子组,根据对相应的测量向量确定的距离测量,确定对最短测试向量或子组的测试向量的修改的距离测量 测试矢量并根据长度测量,比较最短运动矢量的修改距离测量或修改距离me 将第一个子组的测试向量的测量与其他测试向量的距离测量值进行比较,并根据该比较选择一个测试向量。
    • 10. 发明授权
    • Method of estimating the motion in image processing
    • 估计图像处理中运动的方法
    • US08446950B2
    • 2013-05-21
    • US12258142
    • 2008-10-24
    • Peter RiederGuenter SchefflerChristian TuschenMarko HahnMarkus Schu
    • Peter RiederGuenter SchefflerChristian TuschenMarko HahnMarkus Schu
    • H04N7/12
    • H04N19/51H04N19/56
    • A method is described for selecting a motion vector for a first image block of an image of an image sequence from a number of test vectors, to which respectively a significance measurement is assigned, wherein at least one of these test vectors is a motion vector of a further image block that is arranged temporally and/or spatially adjacent to the first image block, or a vector formed by modification of this motion vector, and wherein the method covers: Determining a distance measurement for each test vector, Determining a modified distance measurement to each test vector depending on the distance measurement determined to this test vector and additionally at least on the significance measurement assigned to this test vector, Selecting one of the test vectors as motion vector depending on the modified distance measurements, Determining a new distance measurement of the test vector selected as motion vector depending on whether the selected motion vector meets at least one significance criterion, and assigning this new significance measurement as significance measurement to the motion vector for the selection of a motion vector for a third image block, in which the motion vector of the first image block or a vector formed by modification of this motion vector is selected as test vector.
    • 描述了一种从多个测试向量中选择图像序列的图像的第一图像块的运动矢量的方法,分别对其分配显着性测量值,其中这些测试矢量中的至少一个是运动矢量 在第一图像块的时间和/或空间上布置的另一个图像块,或通过修改该运动矢量形成的矢量,并且其中该方法覆盖:确定每个测试向量的距离测量,确定修改的距离测量 根据对该测试矢量确定的距离测量值和至少在分配给该测试矢量的显着度测量值,将每个测试矢量选择为根据修改的距离测量的运动矢量的测试矢量,确定新距离测量 根据所选择的运动矢量是否满足至少一个显着性,选择作为运动矢量的测试向量 并且将该新的重要性测量值作为对第三图像块的运动矢量的选择的运动矢量的有意义测量值的分配,其中,选择第一图像块的运动矢量或通过修改该运动矢量形成的矢量 作为测试载体。