Tuesday, August 07, 2018 10:20:36 AM
Vanam , et al. August 7, 2018
Temporal filter for denoising a high dynamic range video
Abstract
Systems, methods, and instrumentalities are disclosed for denoising high dynamic range video using a temporal filter. A frame of an uncompressed video stream may be received. The frame may include a plurality of pixels. It may be determined that a chroma component of a pixel of the plurality of pixels belongs to a predefined region. The region may be predefined on the basis of one or more chroma components. The predefined region may be a CbCr space. The chroma component of the pixel may be compared with a chroma component of a co-located pixel to determine if the chroma component of the co-located pixel belongs to the predefined region. The pixel may be filtered using a denoising filter. The denoising filter may be a temporal filter. The denoising filter may be a Crawford filter. The uncompressed video stream including the filtered pixel may be encoded.
Inventors:
Vanam; Rahul (San Diego, CA), Reznik; Yuriy (Seattle, WA)
Applicant:
Name
City
State
Country
Type
VID SCALE, INC.
Wilmington
DE
US
Assignee:
VID SCALE, INC. (Wilmington, DE)
Family ID:
1000003455979
Appl. No.:
14/441,205
Filed:
November 6, 2013
PCT Filed:
November 06, 2013
PCT No.:
PCT/US2013/068752
371(c)(1),(2),(4) Date:
May 07, 2015
PCT Pub. No.:
WO2014/074601
PCT Pub. Date:
May 15, 2014
Prior Publication Data
Document Identifier
Publication Date
US 20150288856 A1 Oct 8, 2015
Related U.S. Patent Documents
Application Number
Filing Date
Patent Number
Issue Date
61723715 Nov 7, 2012
Current U.S. Class: 1/1
Current CPC Class: H04N 5/21 (20130101); G06T 5/00 (20130101); G06T 5/002 (20130101); G06T 7/90 (20170101); H04N 9/643 (20130101); H04N 9/646 (20130101); H04N 19/117 (20141101); H04N 19/167 (20141101); H04N 19/186 (20141101); H04N 19/85 (20141101); G06K 9/4652 (20130101); G06T 2207/20182 (20130101); G06T 2207/10016 (20130101); G06T 2207/10024 (20130101); G06T 2207/20012 (20130101)
Current International Class: H04N 5/21 (20060101); H04N 9/64 (20060101); G06T 7/90 (20170101); G06T 5/00 (20060101); H04N 19/117 (20140101); H04N 19/186 (20140101); H04N 19/167 (20140101); H04N 19/85 (20140101); G06K 9/46 (20060101)
PPP
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