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51. 发明授权

US09401031B2 Method and module for acquiring position information of transform block 有权
标题翻译：用于获取变换块位置信息的方法和模块
公开(公告)号：US09401031B2
公开(公告)日：2016-07-26
申请号：US14082313
申请日：2013-11-18
申请人： Huawei Technologies Co., Ltd.
发明人： Xiaozhen Zheng
IPC分类号： G06T9/00 , H04N19/176 , H04N19/119 , H04N19/122 , H04N19/46 , H04N19/61 , H04N19/96 , H04N19/136
CPC分类号： H04N19/176 , G06T9/007 , H04N19/119 , H04N19/122 , H04N19/136 , H04N19/46 , H04N19/50 , H04N19/61 , H04N19/96
摘要： An embodiment of the present invention provides a method for acquiring position information of a transform block. The method includes: obtaining a splitting manner of an image block; obtaining splitting direction information according to the splitting manner of the image block and a splitting layer number of a transform block, or obtaining splitting direction information according to the splitting manner of the image block and a numerical relationship between a width and a height of a transform block; and obtaining position information of a post-splitting transform block according to the splitting direction information. In embodiments of the present invention, splitting direction information is obtained directly according to a splitting manner of an image block and a layer number, and then, size information of a transform block is coded according to the splitting direction information, thereby effectively reducing complexity of a coding process.
摘要翻译：本发明的实施例提供一种用于获取变换块的位置信息的方法。该方法包括：获得图像块的分割方式; 根据图像块的分割方式和变换块的分割层数获得分割方向信息，或者根据图像块的分割方式获得分割方向信息，以及变换的宽度和高度之间的数值关系块; 以及根据分割方向信息获取分解后变换块的位置信息。在本发明的实施例中，根据图像块和层号的分割方式直接获取分割方向信息，然后根据分割方向信息对变换块的大小信息进行编码，从而有效降低复杂度编码过程。

52. 发明申请

US20130216146A1 Image Encoding and Decoding Methods and Related Devices 有权
标题翻译：图像编码和解码方法及相关设备
公开(公告)号：US20130216146A1
公开(公告)日：2013-08-22
申请号：US13848301
申请日：2013-03-21
申请人： Huawei Technologies Co., Ltd.
发明人： Haoping Yu , Xiaozhen Zheng , Sixin Lin , Jiantong Zhou
IPC分类号： G06T9/00
CPC分类号： G06T9/004 , G06T9/00 , H04N19/119 , H04N19/172 , H04N19/46 , H04N19/537
摘要： 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.
摘要翻译：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。

53. 发明公开

US20230421807A1 METHOD AND APPARATUS FOR PROCESSING INTRA PREDICTION MODE 审中-公开
公开(公告)号：US20230421807A1
公开(公告)日：2023-12-28
申请号：US18460383
申请日：2023-09-01
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Yongbing Lin , Xiaozhen Zheng
IPC分类号： H04N19/593 , H04N19/176 , H04N19/196 , H04N19/11
CPC分类号： H04N19/593 , H04N19/176 , H04N19/196 , H04N19/11
摘要： A method for processing an intra prediction mode includes: determining whether an intra prediction mode of each neighboring block in multiple neighboring blocks of a current block is applicable to the current block; and obtaining multiple mapped intra prediction modes of the current block according to a result of the determining, if it is determined that an intra prediction mode of a neighboring block is applicable to the current block, setting the intra prediction mode of the neighboring block as a mapped intra prediction mode of the current block, and if it is determined that the intra prediction mode of the neighboring block is not applicable to the current block, setting a specific intra prediction mode as the mapped intra prediction mode of the current block.

54. 发明授权

US11770556B2 Method and apparatus for processing intra prediction mode 有权
公开(公告)号：US11770556B2
公开(公告)日：2023-09-26
申请号：US17121263
申请日：2020-12-14
申请人： Huawei Technologies Co., Ltd.
发明人： Yongbing Lin , Xiaozhen Zheng
IPC分类号： H04N19/176 , H04N19/593 , H04N19/196 , H04N19/11
CPC分类号： H04N19/593 , H04N19/11 , H04N19/176 , H04N19/196
摘要： A method for processing an intra prediction mode includes: determining whether an intra prediction mode of each neighboring block in multiple neighboring blocks of a current block is applicable to the current block; and obtaining multiple mapped intra prediction modes of the current block according to a result of the determining, if it is determined that an intra prediction mode of a neighboring block is applicable to the current block, setting the intra prediction mode of the neighboring block as a mapped intra prediction mode of the current block, and if it is determined that the intra prediction mode of the neighboring block is not applicable to the current block, setting a specific intra prediction mode as the mapped intra prediction mode of the current block.

55. 发明公开

US20230262221A1 METHOD AND DEVICE FOR VIDEO CODING AND DECODING 审中-公开
公开(公告)号：US20230262221A1
公开(公告)日：2023-08-17
申请号：US18302761
申请日：2023-04-18
申请人： HUAWEI TECHNOLOGIES CO., LTD. , TSINGHUA UNIVERSITY
发明人： Xiaozhen Zheng , Zhen Mao , Ziyuan Wang , Yun He , Xiaozhong Xu , Jianhua Zheng
IPC分类号： H04N19/126 , H04N19/70 , H04N19/61 , H04N19/174 , H04N19/17 , H04N19/436 , H04N19/46
CPC分类号： H04N19/126 , H04N19/70 , H04N19/61 , H04N19/174 , H04N19/17 , H04N19/436 , H04N19/46 , H04N19/172
摘要： A method and device for coding and decoding are disclosed. The method includes: dividing a picture to be encoded into several slices, each containing macroblocks continuous in a designated scanning sequence in the picture; dividing slices in the picture into one or more slice sets according to attribute information of the slices, each slice set containing one or more slices; and encoding the slices in the slice sets according to slice and slice set division information to get a coded bit stream of the picture. The decoding method includes: obtaining slice and slice set division information from a bit stream to be decoded and decoding the bit stream according to the obtained slice and slice set division information. The invention improves the performance of video transmission effectively and realizes region based coding. The implementation of coding and decoding is simple and the complexity of coding and decoding systems is reduced.

56. 发明授权

US10783621B2 Method and apparatus for processing high dynamic range image, and terminal device 有权
公开(公告)号：US10783621B2
公开(公告)日：2020-09-22
申请号：US15986184
申请日：2018-05-22
申请人： Huawei Technologies Co., Ltd.
发明人： Meng Li , Hai Chen , Xiaozhen Zheng , Jianhua Zheng
IPC分类号： G06T5/00 , H04N19/124 , H04N19/85 , H04N5/235 , H04N19/44 , H04N5/232
摘要： A method and an apparatus for processing a high dynamic range (HDR) image, and a terminal device to improve quantization quality, where the method includes obtaining brightness information of an image, processing the brightness information to obtain processed image information, quantizing the processed image information to obtain quantized image information, and encoding the quantized image information to obtain encoded image information.

57. 发明授权

US10455251B2 Methods and apparatuses for coding and decoding depth map 有权
公开(公告)号：US10455251B2
公开(公告)日：2019-10-22
申请号：US16012446
申请日：2018-06-19
申请人： Huawei Technologies Co., Ltd.
发明人： Xiaozhen Zheng
IPC分类号： H04N19/597 , H04N19/105 , H04N19/139 , H04N19/593 , H04N19/59 , H04N19/176 , H04N19/159 , H04N19/103
摘要： Methods and apparatuses for coding and decoding a depth map are provided. The coding method includes: obtaining prediction data corresponding to a current image block of the depth map, obtaining a predicted pixel value from the prediction data according to a preset step, and calculating a first average value of the prediction data according to the predicted pixel value, where the preset step is a positive integer except 1; obtaining a residual of the current image block according to the first average value of the prediction data and a pixel value of a pixel of the current image block; and coding the residual of the current image block. In this way, coding and decoding efficiency can be improved.

58. 发明申请

US20190166366A1 Method for Dividing Prediction Block, Encoding Device, and Decoding Device 审中-公开
公开(公告)号：US20190166366A1
公开(公告)日：2019-05-30
申请号：US16263779
申请日：2019-01-31
申请人： Huawei Technologies Co., Ltd.
发明人： Xiaozhen Zheng
IPC分类号： H04N19/119 , H04N19/162 , H04N19/139 , H04N19/176
CPC分类号： H04N19/119 , H04N19/139 , H04N19/162 , H04N19/176
摘要： A method for dividing a prediction block, an encoding device, and a decoding device, where the method includes acquiring a manner of division into the prediction block, where the manner of division into the prediction block is a horizontal division manner, a vertical division manner, or a square division manner, determining a horizontal division size and a vertical division size according to the manner of division into the prediction block, and dividing the prediction block into at least one prediction subblock according to the horizontal division size and the vertical division size.

59. 发明授权

US10154284B2 Method and apparatus for processing intra prediction mode 有权
公开(公告)号：US10154284B2
公开(公告)日：2018-12-11
申请号：US15684352
申请日：2017-08-23
申请人： Huawei Technologies Co., Ltd.
发明人： Yongbing Lin , Xiaozhen Zheng
IPC分类号： H04N19/176 , H04N19/593 , H04N19/196 , H04N19/11
摘要： A method and an apparatus for processing an intra prediction mode is disclosed. The method includes: determining whether an intra prediction mode of each neighboring block in multiple neighboring blocks of a current block is applicable to the current block; and obtaining multiple mapped intra prediction modes of the current block according to a result of the determining, if it is determined that an intra prediction mode of a neighboring block is applicable to the current block, setting the intra prediction mode of the neighboring block as a mapped intra prediction mode of the current block, and if it is determined that the intra prediction mode of the neighboring block is not applicable to the current block, setting a specific intra prediction mode as the mapped intra prediction mode of the current block.

60. 发明授权

US10123016B2 Method and apparatus for coding matrix and method and apparatus for decoding matrix 有权
公开(公告)号：US10123016B2
公开(公告)日：2018-11-06
申请号：US15387305
申请日：2016-12-21
申请人： Huawei Technologies Co., Ltd. , Tsinghua University
发明人： Yunfei Wang , Jianhua Zheng , Xiaozhen Zheng , Yun He
IPC分类号： H04N7/12 , H04N19/126 , H04N19/167 , H04N19/184 , H04N19/91
摘要： The present disclosure provides a method and an apparatus for coding or decoding a matrix, includes: dividing a matrix into layers according to a preset quantity of divided layers, and grouping matrix elements into different layers; performing, according to a determined layer number of a highest layer to be coded and in an order of layers one by one, coding processing on matrix elements at each layer to be coded; for a layer having a layer number less than or equal to the layer number of the highest layer to be coded, writing residual data between an original matrix element value corresponding to the layer and a corresponding matrix element predicted value into a bit stream; for a layer having a layer number greater than the layer number of the highest layer to be coded, writing no coded data of the layer into the bit stream.

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