公开(公告)号：US10904523B2

公开(公告)日：2021-01-26

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 ,  H04N19/176 ,  H04N19/42 ,  H04N19/593

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：US20200280718A1

公开(公告)日：2020-09-03

申请号：US16700399

申请日：2019-12-02

Applicant: Tongji University ,  ZTE Corporation

Inventor： Tao Lin ,  Ming Li ,  Guoqiang Shang

IPC: H04N19/119 ,  H04N19/176 ,  H04N19/51 ,  H04N19/517 ,  H04N19/12 ,  H04N19/513

Abstract: The disclosure discloses a method and device for coding an image and a method and device for decoding an image. The coding includes that: a coding block is partitioned into L micro-blocks, wherein L is a preset number of micro-block partitions in the decoding block; Displacement Vectors (DVs) between the micro-blocks and reference micro-blocks in a preset reconstructed pixel sample set are determined, wherein the DVs are vectors between pixel positions of the reference micro-blocks and pixel positions of the micro-blocks in a preset pixel coordinate system: and the DVs are coded and written into a bitstream. By the methods and the devices, the problem of low image compression and decompression efficiency during image coding and decoding in the related technology is solved, and tire effect of improving image coding and decoding efficiency is further achieved.

公开(公告)号：US10666971B2

公开(公告)日：2020-05-26

申请号：US15551945

申请日：2016-01-25

Applicant: TONGJI UNIVERSITY ,  ZTE Corporation

Inventor： Tao Lin ,  Ming Li ,  Guoqiang Shang ,  Zhao Wu

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/59 ,  H04N19/105 ,  H04N19/136 ,  H04N19/182 ,  H04N19/176 ,  H04N19/593 ,  H04N19/70

Abstract: The present disclosure provides a method and device for image coding and a method and device for image decoding, and the method includes: a representative pixel set of a coding block is constructed, and information for constructing the representative pixel set is determined; predicted values of pixel samples in the coding block are constructed, a generation manner for the predicted values including: constructing the predicted values of the pixel samples according to reconstructed pixel samples in an image region outside the coding block and pixel values of the representative pixel set; and the information for constructing the representative pixel set and information for constructing the predicted values are coded and written into a video bitstream.

公开(公告)号：US10659813B2

公开(公告)日：2020-05-19

申请号：US14783852

申请日：2014-03-25

Applicant: ZTE Corporation

Inventor： Hongwei Li ,  Ming Li ,  Ping Wu ,  Guoqiang Shang ,  Yutang Xie

IPC: H04N19/176 ,  H04N19/597 ,  H04N13/161 ,  H04N19/44

Abstract: Disclosed is a method for coding and decoding depth information, and the method includes: data in original Depth Look-up Tables (DLTs) of selected views are combined to establish a unified DLT, a value of the number of elements in the unified DLT and each element in the unified DLT are coded respectively and a coded value and each coded element are transmitted to a decoder; and depth information of each view is coded by taking the unified DLT as a whole or in portions and coded depth information of each view is transmitted to the decoder. Further disclosed are a system and device for coding and decoding depth information; by means of the disclosure, it is possible to reduce redundancy of coding information and improve coding and decoding efficiency.

公开(公告)号：US10341651B2

公开(公告)日：2019-07-02

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 ,  H04N19/186 ,  H04N19/176 ,  H04N19/182 ,  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：US10194150B2

公开(公告)日：2019-01-29

申请号：US15108614

申请日：2014-12-29

Applicant: TONGJI UNIVERSITY ,  ZTE Corporation

Inventor： Tao Lin ,  Ming Li ,  Guoqiang Shang

IPC: H04N19/124 ,  H04N19/46 ,  H04N19/154 ,  H04N19/176 ,  H04N19/70 ,  H04N19/146

Abstract: Provided are a method and device for coding an image, a method and device for decoding an image. The method for coding the image includes that: coding mode parameters and parameter groups of one coding block are divided into multiple types of coding mode parameters and parameter groups corresponding to the multiple types of coding mode parameters according to a specified rule respectively; Quantization Parameters (QPs) included in the multiple types of coding mode parameters are determined according to a preset target bit rate; a QP of the coding block is determined according to reconstruction quality for the coding block; a coding mode parameter to be used is selected from the multiple types of coding mode parameters according to the QP of the coding block, a parameter group corresponding to the selected coding mode parameter is set, and a QP difference is calculated; and the coding mode parameter, the parameter group used by the coding block and the QP difference are written into a video bitstream.

公开(公告)号：US20180167623A1

公开(公告)日：2018-06-14

申请号：US15580893

申请日：2016-06-06

Applicant: TONGJI UNIVERSITY ,  ZTE CORPORATION

Inventor： Tao Lin ,  Ming Li ,  Ping Wu ,  Guoqiang Shang ,  Zhao Wu

IPC: H04N19/176 ,  H04N19/182

CPC classification number: H04N19/176 ,  H04N19/17 ,  H04N19/182 ,  H04N19/186 ,  H04N19/593 ,  H04N19/70

Abstract: Disclosed are an image encoding and decoding method, image processing device, and computer storage medium, comprising: when using one of a palette and a pixel-string encoding replication means to replicate the encoding of a currently encoded block, generating a new palette color according to the pixels of said currently encoded block; according to said new palette color and/or palette color candidate set shared by the palette and the pixel-string encoding replication means, generating the palette of said current encoded block; using said palette to replicate the encoding of the palette and the pixel string, and generate a video code stream comprising the replication means and replication parameters. The video code stream is parsed, and at least one of the following information is obtained: the replication means, replication parameters, and new palette color of the palette and pixel-string decoding replication; according to said new palette color and/or palette color candidate set shared by the palette and the pixel-string decoding replication means, generating a palette; using said palette to replicate the decoding of the palette and the pixel string.

公开(公告)号：US09960949B2

公开(公告)日：2018-05-01

申请号：US14402967

申请日：2013-04-19

Applicant: ZTE Corporation

Inventor： Lizhe Yao ,  Jun Chen ,  Guoqiang Shang

IPC: H04L12/24 ,  H04W4/20 ,  H04L29/08 ,  H04W84/10

CPC classification number: H04L41/046 ,  H04L41/18 ,  H04L67/16 ,  H04L67/28 ,  H04W4/203 ,  H04W84/10

Abstract: A Personal Area Network (PN) management method is disclosed. The method includes that a PN manager is set for a PN to manage the PN. Correspondingly, a PN system is disclosed. By the method and system, a user can set a PN manager and managed PN equipment of his/her own PN according to his/her own needs, and when a large amount of equipment exists in the PN, some PN equipment in the PN can be conveniently, rapidly and effectively managed through the PN manager.

公开(公告)号：US20160057452A1

公开(公告)日：2016-02-25

申请号：US14779308

申请日：2014-02-25

Applicant: ZTE CORPORATION

Inventor： Ming Li ,  Ping Wu ,  Hongwei Li ,  Guoqiang Shang ,  Yutang Xie

IPC: H04N19/597 ,  H04N19/91 ,  H04N13/00 ,  H04N19/44

CPC classification number: H04N19/597 ,  H04N13/161 ,  H04N19/44 ,  H04N19/91

Abstract: Disclosed are methods and devices for coding and decoding depth information, which relate to a Three-Dimensional Video (3DV) coding technology. The coding method includes: arranging all elements in a DLT in an ascending order of values, wherein the DLT is a data structure representing depth numerical values by index numbers; coding a value of a first element in the DLT, and writing the bits of the value into a bitstream; and coding a differential value between a value of each of the other elements except the first element in the DLT and a value of an element with an index number smaller than an index number of the each of other elements in the DLT respectively, and writing the value of the differential value into the bitstream. The method for decoding depth information and related coding and decoding devices are also provided. By the technical solutions of the disclosure, efficiency of coding and decoding depth information is improved, and resource occupation during depth information coding is reduced.

Abstract translation: 公开了与三维视频（3DV）编码技术相关的用于对深度信息进行编码和解码的方法和装置。 编码方法包括：按照升序排列DLT中的所有元素，其中DLT是通过索引号表示深度数值的数据结构; 编码DLT中的第一元素的值，并将该值的比特写入比特流; 并且分别编码除了DLT中的第一元素之外的每个其它元素的值之间的差分值，以及分别具有小于DLT中的每个其他元素的索引号的索引号的元素的值，并写入 差分值的值转换成比特流。 还提供了解码深度信息和相关编码和解码装置的方法。 通过本公开的技术方案，提高了编码和解码深度信息的效率，降低了深度信息编码期间的资源占用。

公开(公告)号：US20150271661A1

公开(公告)日：2015-09-24

申请号：US14435284

申请日：2013-08-19

Applicant: ZTE CORPORATION

Inventor： Guoqiang Shang ,  Lizhe Yao ,  Jun Chen

IPC: H04W8/18 ,  H04W4/00

CPC classification number: H04W8/18 ,  G06F9/46 ,  H04L67/145 ,  H04W4/06 ,  H04W4/50 ,  H04W8/30 ,  H04W36/0033

Abstract: A service processing method comprises: after receiving a service sharing request from another terminal, a terminal storing context information of a current state of the terminal, and then switching to the shared service; and when a fallback condition in a preset policy is satisfied, recovering to the state before the switch according to the context information. An embodiment of the present invention also provides a terminal Embodiments of the present invention allow fallback to the state before the service sharing, and thus avoid complex setting and operation of a user.

Abstract translation: 一种服务处理方法，包括：从另一终端接收到服务共享请求后，存储终端当前状态的上下文信息，然后切换到共享服务的终端; 并且当满足预设策略中的回退条件时，根据上下文信息恢复到切换之前的状态。 本发明的实施例还提供一种终端，本发明的实施例允许回退到服务共享之前的状态，从而避免了用户的复杂设置和操作。