Tuesday, April 24, 2018 9:47:57 AM
Ye , et al. April 24, 2018
Systems and methods for providing 3D look-up table coding for color gamut scalability
Abstract
Systems and methods for improving efficiency in three-dimensional (3D) look-up table (LUT) coding and/or reducing table size of a 3D LUT may be provided. For example, octants associated with the 3D LUT may be provided for color space segmentation and coding may be performed on an octree associated with the octants where coding may include encoding nodes of the octree associated with the octants and corresponding vertices of the 3D LUT belonging to the nodes. Conversion parameters represented by the nodes are lossy coded with reduced precision. The 3D LUT may also be signaled (e.g., based on a sequence and/or picture level).
Inventors:
Ye; Yan (San Diego, CA), Dong; Jie (San Diego, CA), He; Yuwen (San Diego, CA)
Applicant:
Name
City
State
Country
Type
Vid Scale, Inc.
Wilmington
DE
US
Assignee:
VID SCALE, Inc. (Wilmington, DE)
Family ID:
1000003252827
Appl. No.:
15/022,386
Filed:
September 19, 2014
PCT Filed:
September 19, 2014
PCT No.:
PCT/US2014/056608
371(c)(1),(2),(4) Date:
March 16, 2016
PCT Pub. No.:
WO2015/042432
PCT Pub. Date:
March 26, 2015
Prior Publication Data
Document Identifier
Publication Date
US 20160295219 A1 Oct 6, 2016
Related U.S. Patent Documents
Application Number
Filing Date
Patent Number
Issue Date
61880715 Sep 20, 2013
Current U.S. Class: 1/1
Current CPC Class: H04N 19/186 (20141101); G06T 9/40 (20130101); H04N 1/64 (20130101); H04N 19/147 (20141101); H04N 19/96 (20141101); H04N 19/34 (20141101); H04N 19/463 (20141101); H04N 19/597 (20141101); H04N 19/33 (20141101)
Current International Class: G06K 9/36 (20060101); H04N 19/96 (20140101); H04N 19/186 (20140101); H04N 1/64 (20060101); G06T 9/40 (20060101); H04N 19/463 (20140101); H04N 19/597 (20140101); H04N 19/33 (20140101); H04N 19/34 (20140101); H04N 19/147 (20140101)
PPP
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