公开(公告)号：US20170332073A1

公开(公告)日：2017-11-16

申请号：US15529998

申请日：2015-11-17

Applicant: TONGJI UNIVERSITY ,  ZTE CORPORATION

Inventor： Tao LIN ,  Ming LI ,  Guoqiang SHANG

IPC: H04N19/103 ,  H04N19/182 ,  H04N19/593 ,  H04N19/176 ,  H04N19/186

CPC classification number: H04N19/103 ,  H04N19/176 ,  H04N19/182 ,  H04N19/186 ,  H04N19/593

Abstract: Disclosed is an image coding method, including: determining a coding mode of a coding block; and performing coding on the coding block using multiple coding modes, including performing coding on pixel sample segments in the coding block using one of the multiple coding modes. Further disclosed is an image decoding method, including: parsing bitstream data of a decoding block, and determining decoding modes of pixel sample segments of the decoding block; and performing hybrid decoding on the decoding block using multiple decoding modes, including performing decoding on the pixel sample segments of the decoding block using corresponding decoding modes. The technical scheme described above can fully exploit and utilize the characteristics of each coding image region in the image to improve the image compression performance.

公开(公告)号：US20170302935A1

公开(公告)日：2017-10-19

申请号：US15505614

申请日：2015-08-21

Applicant: ZTE CORPORATION

Inventor： Ming LI ,  Ping WU ,  Guoqiang SHANG ,  Yutang XIE

IPC: H04N19/176 ,  H04N19/103 ,  H04N19/174 ,  H04N19/70

CPC classification number: H04N19/176 ,  H04N19/103 ,  H04N19/174 ,  H04N19/593 ,  H04N19/70

Abstract: 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.

公开(公告)号：US20170054988A1

公开(公告)日：2017-02-23

申请号：US15118980

申请日：2015-02-16

Applicant: TONGJI UNIVERSITY ,  ZTE Corporation

Inventor： Tao LIN ,  Ming LI ,  Guoqiang SHANG

IPC: H04N19/167 ,  H04N19/11 ,  H04N19/593 ,  H04N19/176 ,  H04N19/196 ,  H04N19/105 ,  H04N19/159

CPC classification number: H04N19/167 ,  H04N19/105 ,  H04N19/11 ,  H04N19/159 ,  H04N19/176 ,  H04N19/196 ,  H04N19/593

Abstract: Provided are methods and devices for coding or decoding an image. The coding method includes that: one coding manner is selected for predictive or matching coding of a current CU, according to characteristics of pixel samples of the current CU and an adjacent CU of the current CU, from A predetermined predictive coding manners and matching coding manners including at least one predictive coding manner with different prediction characteristics and matching coding manners with mutually different matching characteristics, and the selected coding manner is determined as an optimal coding manner, wherein the A predictive coding manners and matching coding manners include: a predictive coding manner, matching coding manner 1, matching coding manner 2, . . . and matching coding manner A-1, and A is an integer more than or equal to 2; and predictive coding or matching coding is performed on the current CU by adopting the optimal coding manner.

Abstract translation: 提供了用于对图像进行编码或解码的方法和装置。 编码方法包括：根据预定的预测编码方式和匹配的编码方式，根据当前CU的当前CU和相邻CU的像素样本的特性，选择一种编码方式来预测或匹配当前CU的编码 包括具有不同预测特性的至少一种预测编码方式和具有相互不同的匹配特性的匹配编码方式，并且将选择的编码方式确定为最佳编码方式，其中A预测编码方式和匹配编码方式包括：预测编码方式 ，匹配编码方式1，匹配编码方式2， 。 。 和匹配编码方式A-1，A是大于或等于2的整数; 并且通过采用最佳编码方式对当前CU执行预测编码或匹配编码。

公开(公告)号：US20170013259A1

公开(公告)日：2017-01-12

申请号：US15107585

申请日：2014-10-23

Applicant: ZTE Corporation

Inventor： Ming LI ,  Ping WU ,  Guoqiang SHANG ,  Yutang XIE

IPC: H04N19/105 ,  H04N19/184 ,  H04N19/187 ,  H04N19/597

CPC classification number: H04N19/105 ,  H04N19/184 ,  H04N19/187 ,  H04N19/30 ,  H04N19/433 ,  H04N19/463 ,  H04N19/597 ,  H04N19/70

Abstract: Provided are a method and a device for decoding a Picture Order Count (POC), and a method and a device for coding a POC, and electronic equipment. The method for decoding the POC includes that: parameters for Most Significant Bit (MSB) and Least Significant Bit (LSB) used in an alignment operation on the POC are acquired; an MSB value and an LSB value of a POC value of a current picture are determined according to the parameters for MSB and LSB; and the POC value of the current picture is calculated according to the MSB value and the LSB value. By means of the technical solution, the problems in the related art that the accuracy in decoding and outputting a multilayer video bitstream cannot be ensured and an extra overhead of network resources is increased in multilayer video coding and decoding processes are solved.

Abstract translation: 提供了用于解码图像顺序计数（POC）的方法和装置，以及用于编码POC的方法和装置以及电子设备。 用于解码POC的方法包括：获取在POC上的对准操作中使用的用于最高有效位（MSB）和最低有效位（LSB）的参数; 根据MSB和LSB的参数确定当前图片的POC值的MSB值和LSB值; 并根据MSB值和LSB值计算当前图像的POC值。 通过技术方案，解决了多层视频编码和解码过程中相关技术中难以确保解码和输出多层视频比特流的精度以及网络资源的额外开销增加的问题。

公开(公告)号：US20220078479A1

公开(公告)日：2022-03-10

申请号：US17531518

申请日：2021-11-19

Applicant: ZTE Corporation

Inventor： Ming LI ,  Ping WU ,  Guoqiang SHANG ,  Yutang XIE

IPC: H04N19/55 ,  H04N19/105 ,  H04N19/176 ,  H04N19/164 ,  H04N19/426 ,  H04N19/70 ,  H04N19/157 ,  H04N19/117 ,  H04N19/436 ,  H04N19/593 ,  H04N19/132 ,  H04N19/174 ,  H04N19/82

Abstract: 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.

公开(公告)号：US20190327523A1

公开(公告)日：2019-10-24

申请号：US16349917

申请日：2017-10-28

Applicant: SHANGHAI JIAOTONG UNIVERSITY ,  ZTE CORPORATION

Inventor： Yiling XU ,  Wenjun ZHANG ,  Ying HU ,  Zhao WU ,  Ming LI ,  Ping WU ,  Guoqiang SHANG

IPC: H04N21/442 ,  H04N21/81 ,  H04N21/84 ,  H04N21/235 ,  H04N21/6587

Abstract: Provided are a media information processing method, apparatus and system. The method comprises: generating media indication information according to a media state and/or a media state change, wherein the media indication information at least comprises one of the following: a media identifier, a media state type, a media state change type, a media state description, and a media state change description; and sending or storing the media indication information. By means of the present disclosure, the problem in the relevant art that the covered content in media information is incomplete during a media interaction is solved, thereby achieving the effect of improving the media information integrity and expandability.

公开(公告)号：US20190289289A1

公开(公告)日：2019-09-19

申请号：US16084065

申请日：2017-03-18

Applicant: ZTE Corporation

Inventor： Cheolkon JUNG ,  Shengtao YU ,  Peng KE ,  Ming LI ,  Ping WU ,  Guoqiang SHANG ,  Zhao WU

IPC: H04N19/124 ,  H04N19/172 ,  H04N19/186 ,  H04N19/85 ,  H04N19/98 ,  H04N19/117 ,  H04N19/44

Abstract: Provided are picture encoding and decoding methods and apparatuses, and a picture encoding and decoding system. The picture encoding method includes: determining an adjustment factor according to pixel sampling values of a video picture; converting the video picture according to the adjustment factor, and encoding the converted video picture; and writing the adjustment factor into a bitstream obtained by encoding the converted video picture.

公开(公告)号：US20190268593A1

公开(公告)日：2019-08-29

申请号：US16322694

申请日：2016-07-08

Applicant: ZTE CORPORATION

Inventor： Ming LI ,  Ping WU ,  Guoqiang SHANG ,  Zhao WU

IPC: H04N19/117 ,  H04N19/105 ,  H04N19/132 ,  H04N19/42 ,  H04N19/176

Abstract: Disclosed are an encoding processing method and device, a decoding processing method and device, an encoder and a decoder. The encoding processing method includes: determining a filtering process to be applied to a pixel in a prediction reference block for an encoding block; filtering the pixel in the prediction reference block according to the filtering process; constructing a pixel prediction value for the encoding block according to a filtered pixel sampling value in the prediction reference block; and encoding the encoding block according to the pixel prediction value.

公开(公告)号：US20190014331A1

公开(公告)日：2019-01-10

申请号：US16067420

申请日：2016-11-15

Applicant: ZTE CORPORATION

Inventor： Ming LI ,  Ping WU ,  Zhao WU ,  Guoqiang SHANG

IPC: H04N19/196 ,  H04N19/174 ,  H04N19/117 ,  H04N19/154

Abstract: The present disclosure provides picture encoding and decoding methods, picture encoding and decoding devices as well as a decoder and an encoder. The picture decoding method includes: parsing a video bitstream to obtain candidate reshaping parameters from a picture-layer and/or slice-layer data unit of the video bitstream, and determining a reshaping parameter used for reshaping a reconstructed picture according to the obtained candidate reshaping parameters; and reshaping the reconstructed picture by using the reshaping parameter. The reconstructed picture is a picture obtained by decoding the video bitstream before performing the reshaping. The picture-layer and/or slice-layer data unit includes at least one of the following data units: a picture-layer parameter set and/or a slice-layer parameter set different from a picture parameter set (PPS), a parameter data unit which are included in an access unit (AU) corresponding to the reconstructed picture, slice header and a system-layer picture parameter data unit.

公开(公告)号：US20180048646A1

公开(公告)日：2018-02-15

申请号：US15557131

申请日：2016-03-21

Applicant: ZTE CORPORATION

Inventor： Lizhe YAO ,  Jun CHEN ,  Guoqiang SHANG

IPC: H04L29/06 ,  G10L17/06 ,  G10L17/24 ,  G10L17/04 ,  H04W12/06 ,  H04W12/08

CPC classification number: H04L63/0861 ,  G06F21/32 ,  G06F21/46 ,  G06F2221/2113 ,  G10L17/00 ,  G10L17/04 ,  G10L17/06 ,  G10L17/24 ,  H04L9/32 ,  H04L63/105 ,  H04W12/06 ,  H04W12/08

Abstract: Provided are a method and apparatus for managing a graded cipher. The method includes that: a corresponding relationship between different security grades and corresponding voice passwords is established, herein the voice password corresponding to each security grade in the corresponding relationship is a part or all of a preset voice password; and a voice password is received from a user, and the obtained corresponding relationship is searched for the security grade corresponding to the voice password matched with the received voice password.