The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 2020
Filed:
Mar. 20, 2020
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Takayuki Ishida, Tokyo, JP;
Keiichi Chono, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/70 (2014.01); H04N 19/114 (2014.01); H04N 19/136 (2014.01); H04N 19/103 (2014.01); H04N 19/177 (2014.01); H04N 19/30 (2014.01); H04N 19/31 (2014.01);
U.S. Cl.
CPC ...
H04N 19/70 (2014.11); H04N 19/103 (2014.11); H04N 19/114 (2014.11); H04N 19/136 (2014.11); H04N 19/177 (2014.11); H04N 19/30 (2014.11); H04N 19/31 (2014.11);
Abstract
In a video encoding device, a transmission section sets a value corresponding to characteristics specified by ITU-R BT.709 to 1 in the transfer characteristics syntax when the dynamic range of the video signal is a SDR (Standard Dynamic Range), and sets a value corresponding to one of characteristics specified by HLG (Hybrid Log Gamma) to 18 or a value corresponding to one of characteristics specified by PQ (Perceptual Quantizer) to 16 when the dynamic range of the video signal is a HDR (High Dynamic Range).