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    • 4. 发明授权
    • Method and apparatus for rounding coordinate value of non-integer pixel position motion vector
    • 用于舍入非整数像素位置运动矢量坐标值的方法和装置
    • US09521408B2
    • 2016-12-13
    • US13946705
    • 2013-07-19
    • Huawei Technologies Co., Ltd.
    • Mingyuan YangSixin LinJiantong ZhouHaoping Yu
    • H04N7/34H04N7/36H04N19/51H04N19/513H04N19/533H04N19/523H04N19/59
    • H04N19/51H04N19/513H04N19/523H04N19/533H04N19/59
    • The present disclosure provides a method and an apparatus for rounding a coordinate value of a non-integer pixel position motion vector. The method includes: rounding a coordinate value of a non-integer pixel position motion vector, which includes: for each dimension of coordinates of the non-integer pixel position motion vector, when a coordinate in the dimension is a non-integer pixel position, rounding the coordinate value of the non-integer pixel position motion vector in the dimension to one of integer pixel coordinate positions A and B if distances from the coordinate of the non-integer pixel position motion vector in the dimension to the integer pixel coordinate positions A and B adjacent to the non-integer pixel position in the dimension are the same, where an integer pixel coordinate position is determined by a sign of the coordinate value of the non-integer pixel position motion vector in the dimension.
    • 本公开提供了用于舍入非整数像素位置运动矢量的坐标值的方法和装置。 该方法包括:舍入非整数像素位置运动矢量的坐标值,该坐标值包括:对于非整数像素位置运动矢量的坐标的每个维度,当维度中的坐标是非整数像素位置时, 将尺寸中的非整数像素位置运动矢量的坐标值舍入到整数像素坐标位置A和B之一,如果距维度中的非整数像素位置运动矢量的坐标到整数像素坐标位置A 和B相邻的尺寸上的非整数像素位置的坐标值相同,其中整数像素坐标位置由尺寸中的非整数像素位置运动矢量的坐标值的符号确定。
    • 5. 发明申请
    • Image Encoding and Decoding Methods and Related Devices
    • 图像编码和解码方法及相关设备
    • US20130216146A1
    • 2013-08-22
    • US13848301
    • 2013-03-21
    • Huawei Technologies Co., Ltd.
    • Haoping YuXiaozhen ZhengSixin LinJiantong Zhou
    • G06T9/00
    • G06T9/004G06T9/00H04N19/119H04N19/172H04N19/46H04N19/537
    • Image encoding and decoding methods and related devices are provided. An image encoding and decoding method includes: for a sub-image block obtained by partitioning an image block, determining at least two position parameters, in which the at least two position parameters include a first position parameter and a second position parameter, the first position parameter identifies whether the sub-image block is a rectangle or not a rectangle, and the second position parameter identifies endpoint information of the sub-image block; determining an encoding sequence of the first position parameter and the second position parameter according to a partition manner of the image block; and encoding the at least two position parameters according to the determined encoding sequence.
    • 提供图像编码和解码方法及相关设备。 图像编码和解码方法包括:对于通过划分图像块获得的子图像块,确定至少两个位置参数,其中所述至少两个位置参数包括第一位置参数和第二位置参数,所述第一位置 参数识别子图像块是矩形还是矩形,第二位置参数识别子图像块的端点信息; 根据图像块的分割方式确定第一位置参数和第二位置参数的编码序列; 以及根据所确定的编码序列对所述至少两个位置参数进行编码。
    • 6. 发明申请
    • METHOD FOR SCREEN CONTENT CODING
    • 屏幕内容编码方法
    • US20150264361A1
    • 2015-09-17
    • US14657744
    • 2015-03-13
    • Huawei Technologies Co., Ltd.
    • Thorsten LaudeJorn OstermannMarco MunderlohHaoping Yu
    • H04N19/172H04N19/136H04N19/119
    • H04N19/543H04N19/132H04N19/137H04N19/176H04N19/46H04N19/93
    • Coding of screen content includes identifying corresponding areas in one or more previously coded frames to code unchanged areas in current frames. An unchanged area in a current frame is coded by copying a corresponding area from a previously coded frame or several previously coded frames. Usage of a copy mode to be applied to the unchanged areas is signaled in an encoding bitstream. The copy mode can be signaled for each unchanged area or a single copy mode is signaled for a group of unchanged areas. The copy mode can be automatically applied to one or more unchanged areas contiguous to the group of unchanged areas without further signaling the copy mode. Copying the corresponding area from the previously coded frame includes copying palette entries from the previously coded frame. Palette entries copied from the previously coded frame are reordered according to frequency of appearance.
    • 屏幕内容的编码包括识别一个或多个先前编码的帧中的相应区域,以对当前帧中的不变区进行编码。 通过从先前编码的帧或多个先前编码的帧复制相应的区域来对当前帧中的未改变的区域进行编码。 将复制模式应用于不变区域的使用在编码比特流中被通知。 可以针对每个不变的区域发信号通知复制模式,或者为一组不变的区域发信号通知一个复制模式。 可以将复制模式自动应用于与该组未改变区域相邻的一个或多个不变区域,而不进一步发信号通知复制模式。 从先前编码的帧复制相应的区域包括从先前编码的帧中复制调色板条目。 从先前编码的帧复制的调色板条目根据外观频率重新排列。
    • 7. 发明申请
    • METHOD AND APPARATUS FOR ROUNDING COORDINATE VALUE OF NON-INTEGER PIXEL POSITION MOTION VECTOR
    • 非整数像素位置运动矢量坐标值的方法和装置
    • US20130315313A1
    • 2013-11-28
    • US13946705
    • 2013-07-19
    • Huawei Technologies Co., Ltd.
    • Mingyuan YangSixin LinJiantong ZhouHaoping Yu
    • H04N7/36
    • H04N19/51H04N19/513H04N19/523H04N19/533H04N19/59
    • The present disclosure provides a method and an apparatus for rounding a coordinate value of a non-integer pixel position motion vector. The method includes: rounding a coordinate value of a non-integer pixel position motion vector, which includes: for each dimension of coordinates of the non-integer pixel position motion vector, when a coordinate in the dimension is a non-integer pixel position, rounding the coordinate value of the non-integer pixel position motion vector in the dimension to one of integer pixel coordinate positions A and B if distances from the coordinate of the non-integer pixel position motion vector in the dimension to the integer pixel coordinate positions A and B adjacent to the non-integer pixel position in the dimension are the same, where an integer pixel coordinate position is determined by a sign of the coordinate value of the non-integer pixel position motion vector in the dimension.
    • 本公开提供了用于舍入非整数像素位置运动矢量的坐标值的方法和装置。 该方法包括:舍入非整数像素位置运动矢量的坐标值,该坐标值包括:对于非整数像素位置运动矢量的坐标的每个维度,当维度中的坐标是非整数像素位置时, 将尺寸中的非整数像素位置运动矢量的坐标值舍入到整数像素坐标位置A和B之一,如果距维度中的非整数像素位置运动矢量的坐标到整数像素坐标位置A 和B相邻的尺寸上的非整数像素位置的坐标值相同,其中整数像素坐标位置由尺寸中的非整数像素位置运动矢量的坐标值的符号确定。