公开(公告)号：US20200322645A1

公开(公告)日：2020-10-08

申请号：US16301929

申请日：2017-03-10

Applicant: ZTE CORPORATION

Inventor： Ming Li ,  Qiaozhou Lin ,  Guoqiang Shang ,  Zhao Wu ,  Shengtao Yu ,  Cheolkon Jung

IPC: H04N19/98 ,  G09G5/10 ,  G09G5/00 ,  H04N19/85 ,  H04N19/70 ,  H04B10/079 ,  G09G3/34

Abstract: Several embodiments of the present invention are described for a media data processing method, apparatus and system. An example method comprises: obtaining an optical signal of a sampling point by a collection device at the source end in an acquisition of media data; according to an opto-electronic transfer control parameter, performing opto-electronic transfer for the optical signal of the sampling point to obtain a transferred electrical signal, wherein the opto-electronic transfer control parameter is determined on the basis of an optical signal intensity of the optical signal of the sampling point; and encoding the electrical signal and opto-electronic transfer control parameter to obtain a bitstream. According to the embodiment of the present invention, the problem of the lower accuracy in the media data processing is solved, thereby obtaining the effect of improving the accuracy in the media data processing.

公开(公告)号：US10681350B2

公开(公告)日：2020-06-09

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

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：US12108091B2

公开(公告)日：2024-10-01

申请号：US17493759

申请日：2021-10-04

Applicant: ZTE CORPORATION

Inventor： Cheolkon Jung ,  Qiaozhou Lin ,  Shengtao Yu ,  Ming Li ,  Guoqiang Shang ,  Zhao Wu

IPC: H04N19/98 ,  H04N5/57 ,  H04N19/124 ,  H04N19/172 ,  H04N19/70

CPC classification number: H04N19/98 ,  H04N5/57 ,  H04N19/124 ,  H04N19/172 ,  H04N19/70

Abstract: Provided in embodiments of the present disclosure are a media data processing method, an apparatus and a system. The method comprises: obtaining an optical signal of a sampling point by a collection device at the source end in an acquisition of media data; acquiring an optical signal intensity of the optical signal of the sampling point and a display brightness of a display device at destination end; determining an opto-electronic transfer control parameter according to the optical signal intensity of the optical signal of the sampling point and the display brightness; performing opto-electronic transfer on the optical signal of the sampling point according to the opto-electronic transfer control parameter to obtain a transferred electrical signal; and encoding the electrical signal and the opto-electronic transfer control parameter to obtain a bitstream.

公开(公告)号：US11165944B2

公开(公告)日：2021-11-02

申请号：US16301929

申请日：2017-03-10

Applicant: ZTE CORPORATION

Inventor： Ming Li ,  Qiaozhou Lin ,  Guoqiang Shang ,  Zhao Wu ,  Shengtao Yu ,  Cheolkon Jung

IPC: H04N19/70 ,  G09G5/00 ,  H04N5/232 ,  H04N19/85 ,  H04N19/98 ,  G09G3/34 ,  G09G5/10 ,  H04B10/079

Abstract: Several embodiments of the present invention are described for a media data processing method, apparatus and system. An example method comprises: obtaining an optical signal of a sampling point by a collection device at the source end in an acquisition of media data; according to an opto-electronic transfer control parameter, performing opto-electronic transfer for the optical signal of the sampling point to obtain a transferred electrical signal, wherein the opto-electronic transfer control parameter is determined on the basis of an optical signal intensity of the optical signal of the sampling point; and encoding the electrical signal and opto-electronic transfer control parameter to obtain a bitstream. According to the embodiment of the present invention, the problem of the lower accuracy in the media data processing is solved, thereby obtaining the effect of improving the accuracy in the media data processing.