公开(公告)号：US20170201769A1

公开(公告)日：2017-07-13

申请号：US14992820

申请日：2016-01-11

Applicant: QUALCOMM Incorporated

Inventor： Jaehong Chon ,  In Suk Chong ,  Xianglin Wang ,  Cheng-Teh Hsieh

IPC: H04N19/593

CPC classification number: H04N19/593 ,  H04N19/11 ,  H04N19/119 ,  H04N19/14 ,  H04N19/147

Abstract: An example method includes determining a respective variance value for pixels of each respective sub-block of at least four sub-blocks of a current block of video data of a particular block size; determining an average of the determined variance values for the at least four sub-blocks; determining a maximum difference value for the current block based on the average and the variance values for the at least four sub-blocks; determining whether pixels of the current block are homogeneous based on whether the maximum difference value for the current block satisfies a threshold difference value; and in response to determining that the pixels of the current block are homogeneous, selectively including block sizes that are greater than or equal to a threshold block size in a sub-set of block sizes to evaluate for use when intra encoding the pixels of the current block.

公开(公告)号：US20160261886A1

公开(公告)日：2016-09-08

申请号：US15060273

申请日：2016-03-03

Applicant: QUALCOMM Incorporated

Inventor： Jaehong Chon ,  In Suk Chong ,  Wei-Jung Chien ,  Xianglin Wang ,  Marta Karczewicz

IPC: H04N19/593 ,  H04N19/119 ,  H04N19/139 ,  H04N19/423 ,  H04N19/147 ,  H04N19/70 ,  H04N19/11 ,  H04N19/176

CPC classification number: H04N19/139 ,  H04N19/103 ,  H04N19/107 ,  H04N19/119 ,  H04N19/147 ,  H04N19/176 ,  H04N19/19 ,  H04N19/513 ,  H04N19/61

Abstract: To encode video data, a video encoder partitions a 2N×2N block of video data into four N×N blocks, determines encoding modes for each of the four N×N blocks, calculates values representative of encoded versions of the four N×N blocks using the encoding modes for each of the four N×N blocks, determines whether to skip testing of at least one non-square partitioning mode for the 2N×2N block based on the calculated values, and encodes the 2N×2N block based at least in part on the determination of whether to skip testing of the at least one non-square partitioning mode.

Abstract translation: 为了对视频数据进行编码，视频编码器将2N×2N视频数据块划分为四个N×N块，确定四个N×N块中的每一个的编码模式，计算表示四个N×N块的编码版本的值 使用四个N×N块中的每一个的编码模式，基于计算出的值来确定是否跳过用于2N×2N块的至少一个非平方分割模式的测试，并且至少编码2N×2N块 部分地决定是否跳过对至少一个非平方分区模式的测试。