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1. 发明申请

US20220417535A1 IMAGE ENCODING AND DECODING METHODS, IMAGE PROCESSING DEVICE, AND COMPUTER STORAGE MEDIUM 有权
公开(公告)号：US20220417535A1
公开(公告)日：2022-12-29
申请号：US17902022
申请日：2022-09-02
申请人： TONGJI UNIVERSITY , ZTE CORPORATION
发明人： Tao LIN , Ming LI , Ping WU , Guoqiang SHANG , Zhao WU
IPC分类号： H04N19/176 , H04N19/17 , H04N19/70 , H04N19/186 , H04N19/593 , H04N19/182
摘要： Disclosed are an image encoding and decoding method, image processing device, and computer storage medium. the image coding method includes: when copying coding is performed on a current coding block by using one of the at least two different palette and pixel string copying coding manners, generating a new palette color according to pixels of the current coding block; generating a palette for the current coding block according to the new palette color and a palette color candidate set shared by the at least two different palette and pixel string copying coding manners; and performing palette and pixel string copying coding by using the palette for the current coding block, and generating a video bitstream comprising a copying manner and a copying parameter.

2. 发明申请

US20190110079A1 ENCODING AND DECODING METHOD AND DEVICE FOR DATA COMPRESSION 审中-公开
公开(公告)号：US20190110079A1
公开(公告)日：2019-04-11
申请号：US16090101
申请日：2017-02-10
申请人： TONGJI UNIVERSITY , ZTE CORPORATION
发明人： Tao LIN , Liping ZHAO , Kailun ZHOU , Shuhui WANG , Ming LI , Ping WU , Zhao WU
IPC分类号： H04N19/70 , H04N19/103 , H04N19/176 , H04N19/46
CPC分类号： H04N19/70 , H04N19/103 , H04N19/11 , H04N19/176 , H04N19/42 , H04N19/46 , H04N19/463 , H04N19/52 , H04N19/537 , H04N19/593 , H04N19/61
摘要： Provided is an encoding and decoding method and device for data compression. The encoding method includes: adaptively selecting a constrained string mode from a plurality of preset constrained string modes; and performing, according to the selected constrained string mode, string-matching encoding on a coding block to obtain information of a constrained string encoded in the selected constrained string mode and to obtain a bitstream of a syntax element of the constrained string encoded in the selected constrained string mode.

3. 发明申请

US20210312588A1 IMMERSIVE VIDEO BITSTREAM PROCESSING 有权
公开(公告)号：US20210312588A1
公开(公告)日：2021-10-07
申请号：US17346668
申请日：2021-06-14
申请人： ZTE Corporation
发明人： Zhao WU , Ming LI , Ping WU
IPC分类号： G06T3/00 , G06T3/60 , G06T9/00 , H04N19/597 , H04N19/105 , H04N19/85 , H04N19/17
摘要： Techniques for encoding or decoding digital video or pictures include acquiring a video bitstream that includes an encoded video image that is a two-dimensional image comprising multiple regions of a panoramic image in three-dimensional coordinates, extracting neighboring information for the multiple regions, performing, using the neighboring information, post-processing of a video image decoded from the video bitstream, and generating a display image from the video image after the post-processing.

4. 发明申请

US20210218965A1 VIDEO ENCODING AND DECODING METHODS AND APPARATUS 有权
公开(公告)号：US20210218965A1
公开(公告)日：2021-07-15
申请号：US17214520
申请日：2021-03-26
申请人： ZTE Corporation
发明人： Ming LI , Ping WU , Zhao WU
IPC分类号： H04N19/119 , H04N19/124 , H04N19/436 , H04N19/70 , H04N19/174
摘要： Techniques for encoding, decoding, and extracting one or more bitstreams to form one or more sub-bitstreams are described. In one example aspect, a method for video or picture processing includes partitioning a picture into one or more tiles and generating one or more bitstreams using one or more configurations based on the one or more tiles. Generating each of the one or more bitstreams includes partitioning each of the one or more tiles into one or more slices, and performing, for each slice among the one or more slices a first encoding step to encode a tile identifier in a header of the slice, and a second encoding step to encode, in the header of the slice, a second address of the slice that indicates a location of the slice in the tile.

5. 发明申请

US20200351507A1 METHOD AND APPARATUS FOR DECODING VIDEO BITSTREAM, METHOD AND APPARATUS FOR GENERATING VIDEO BITSTREAM, STORAGE MEDIUM, AND ELECTRONIC DEVICE 审中-公开
公开(公告)号：US20200351507A1
公开(公告)日：2020-11-05
申请号：US16957760
申请日：2018-12-19
申请人： ZTE Corporation
发明人： Ming LI , Zhao WU , Ping WU
IPC分类号： H04N19/174 , H04N19/44 , H04N19/85 , H04N19/70
摘要： A method and apparatus for decoding a video bitstream, a method and apparatus for generating a video bitstream, storage medium and an electronic device are provided. The method for decoding the video bitstream includes that: a first parameter of a reference position of a slice in a video picture is acquired; a second parameter of the slice is acquired, the second parameter being used for determining a starting position of the slice in the video picture; and a starting position coordinate parameter of the slice in the video picture is calculated according to the first parameter and the second parameter.

6. 发明申请

US20170302958A1 METHOD, DEVICE AND ELECTRONIC EQUIPMENT FOR CODING/DECODING 审中-公开
公开(公告)号：US20170302958A1
公开(公告)日：2017-10-19
申请号：US15513495
申请日：2015-09-22
申请人： ZTE CORPORATION
发明人： Ming LI , Ping WU , Guoqiang SHANG , Yutang XIE
IPC分类号： H04N19/55 , H04N19/174 , H04N19/132 , H04N19/82 , H04N19/105
CPC分类号： H04N19/55 , H04N19/105 , H04N19/117 , H04N19/132 , H04N19/157 , H04N19/164 , H04N19/174 , H04N19/176 , H04N19/426 , H04N19/436 , H04N19/593 , H04N19/70 , H04N19/82
摘要： Method, device and electronic equipment for coding/decoding are provided. The coding method includes: restricting range information about Block copying Vector(s) (BV(s)) of an Intra Block Copying (IBC) mode is determined; and the restricting range information is written into a bitstream. In the present disclosure, the problem of reduction in data processing efficiency caused by the fact that a BV range may not be determined when using IBC in the related technology is solved, the data processing efficiency may be improved, and meanwhile, smooth implementation of a coding or decoding process may also be ensured.

7. 发明申请

US20150358623A1 Method for encoding and decoding at picture layer and slice layer, coder and decoder 审中-公开
标题翻译：图像层和切片层编码和解码方法，编码器和解码器
公开(公告)号：US20150358623A1
公开(公告)日：2015-12-10
申请号：US14650942
申请日：2012-11-01
申请人： ZTE CORPORATION
发明人： Ming LI , Ping WU
IPC分类号： H04N19/159 , H04N19/82 , H04N19/117 , H04N19/174 , H04N19/172
CPC分类号： H04N19/159 , H04N19/107 , H04N19/117 , H04N19/137 , H04N19/14 , H04N19/164 , H04N19/172 , H04N19/174 , H04N19/46 , H04N19/70 , H04N19/82
摘要： Disclosed are methods for coding and decoding at picture layer and slice layer, and corresponding coder and decoder. The method comprises: coder selecting, according to network transmission state and video characteristic, different constrained loop filter (CLF) and/or constrained intra-prediction (CIP) control modes for one of the following three objects: 1: different video sequences; 2: pictures in different periods in the same video sequence; 3: different slices in the same picture; according to the selected CLF and/or CIP control mode, coding CLF and/or CIP control flag bits in picture layer parameter set and slice layer parameter set; and a decoder parsing slice layer bitstream containing header information, picture layer parameter set and/or slice layer parameter set, and according to the obtained CLF and/or CIP control flag bits, decoding picture and slice by using the corresponding CLF and/or CIP control mode. Through the present invention, a desirable tradeoff can be achieved between coding efficiency and error resilience performance.
摘要翻译：公开了图像层和切片层以及对应的编码器和解码器的编码和解码方法。该方法包括：根据网络传输状态和视频特征，对以下三个对象之一的不同约束环路滤波器（CLF）和/或约束帧内预测（CIP）控制模式进行编码器选择：1：不同视频序列; 2：同一视频序列中不同时期的图片; 3：同一张图片中的不同切片; 根据选择的CLF和/或CIP控制模式，对图层参数集和切片层参数集中的CLF和/或CIP控制标志位进行编码; 以及解码器解码包含标题信息，图像层参数集和/或片层参数集的片层比特流，并且根据获得的CLF和/或CIP控制标志位，通过使用相应的CLF和/或CIP解码图片和片控制模式。通过本发明，可以在编码效率和错误恢复性能之间实现期望的折衷。

8. 发明申请

US20210243447A1 PLANAR PREDICTION MODE FOR VISUAL MEDIA ENCODING AND DECODING 有权
公开(公告)号：US20210243447A1
公开(公告)日：2021-08-05
申请号：US17181739
申请日：2021-02-22
申请人： ZTE Corporation
发明人： Ming LI , Ping WU , Zhao WU
IPC分类号： H04N19/132 , H04N19/105 , H04N19/159 , H04N19/176
摘要： Devices, systems and methods for deriving intra prediction samples when the intra prediction mode for a coding block is the planar mode are described. In an aspect, a method for video coding includes selecting a first set of reference samples that are reconstructed neighboring samples of a current block, and determining a prediction value for a prediction sample of the current block by interpolating at least one of the first set and a second set of reference samples, where a reference sample of the second set of reference samples is based on a weighted sum of a first sample and a second sample from the first set of reference samples, and where the reference sample is aligned horizontally with the first sample, aligned vertically with the second sample, and positioned on an opposite side of the prediction sample with respect to either the first or the second sample.

9. 发明申请

US20210067834A1 METHOD AND APPARATUS FOR PROCESSING VIDEO BITSTREAM, NETWORK DEVICE, AND READABLE STORAGE MEDIUM 有权
公开(公告)号：US20210067834A1
公开(公告)日：2021-03-04
申请号：US16958644
申请日：2018-12-06
申请人： ZTE CORPORATION
发明人： Ming LI , Zhao WU , Ping WU , Xiaoquan HUA
IPC分类号： H04N21/4728 , H04N21/2662 , H04N19/187 , H04N19/30 , H04N19/70 , H04N21/2343 , H04N19/174
摘要： Provided are a method and apparatus for processing a video bitstream, a network device and a readable storage medium. The method includes: parsing a bitstream to be extracted, and acquiring parameter information about an extractable sub-bitstream from a data unit of the bitstream to be extracted; determining a picture type parameter value of a random access picture in the sub-bitstream according to the parameter information; and configuring, in a process of extracting the sub-bitstream from the bitstream to be extracted, a picture type parameter value in a data unit of the sub-bitstream according to the picture type parameter value of the random access picture.

10. 发明申请

US20170302935A1 Predictive Coding/Decoding Method, Corresponding Coder/Decoder, and Electronic Device 审中-公开
公开(公告)号：US20170302935A1
公开(公告)日：2017-10-19
申请号：US15505614
申请日：2015-08-21
申请人： ZTE CORPORATION
发明人： Ming LI , Ping WU , Guoqiang SHANG , Yutang XIE
IPC分类号： H04N19/176 , H04N19/103 , H04N19/174 , H04N19/70
CPC分类号： H04N19/176 , H04N19/103 , H04N19/174 , H04N19/593 , H04N19/70
摘要： The predictive coding method includes: configuring types of slices; when coding a slice of an inter prediction type, configuring a picture where the slice is located as a reference picture for the slice, using a first coding scheme to code coding blocks employing an intra block copying (IBC) mode in the slice, and, when coding a slice of an intra prediction type, using a second coding scheme that is different from the first coding scheme to code coding blocks employing the IBC mode in the slice. Also provided are the corresponding decoding method, the corresponding coder/decoder, and the electronic device. Different coding schemes are employed to code coding blocks employing the IBC mode in the slice of an inter prediction type and those in the slice of an intra prediction type. Also provided are picture padding method and device.

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