IP Library Granted Patent US 10,321,146
Granted Patent B2
US 10,321,146 · App. 15/040,718 · Granted Jun 11, 2019

Tracking a reference picture on an electronic device

Inventors: Kiran Misra (Vancouver, WA); Sachin G. Deshpande (Camas, WA); Christopher A. Segall (Camas, WA)
Assignee: Dobly International AB
H04N19/503H04N19/423H04N19/44H04N19/573H04N19/58H04N19/587H04N19/70
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Quick Facts
Patent No.
US 10,321,146
App. No.
15/040,718
Granted
Jun 11, 2019
Kind
B2
Abstract

A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing. The method additionally includes decoding a picture based on the decoded reference picture.

Claims (19)

1. A system comprising:

A non-transitory computer-readable medium storing a bitstream comprising data representative of an image,

wherein the data representative of the image comprised a wrap indicator,

wherein the wrap indicator is used to track a previously decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing,

wherein the reduced overhead referencing is performed based on a designated picture,

wherein the wrap indicator indicates a transition between two sets of pictures, and,

wherein a current picture is encoded based on the previously decoded reference picture; and

one or more decoder processors configured to:

decode the current picture using the wrap indicator in the bitstream to generate a decoded picture.

2. The system of claim 1 , wherein tracking the decoded reference picture comprises determining a picture order count (POC) based on the designated picture.

3. An apparatus comprising:

a non-transitory computer-readable medium storing:

a bitstream comprising data representative of an image,

wherein the data representative of the image comprised a wrap indicator,

wherein the wrap indicator is used to track a previously decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing,

wherein the reduced overhead referencing is performed based on a designated picture,

wherein the wrap indicator indicates a transition between two sets of pictures, and

wherein a current picture is encoded based on the previously decoded reference picture; and

instructions that when executed by one or more decoder processors cause the one or more decoder processors to decode the current picture using the wrap indicator in the bitstream to generate a decoded picture.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 4, 2016
From: MISRA, KIRAN; DESHPANDE, SACHIN G.; SEGALL, CHRISTOPHER A.
To: SHARP LABORATORIES OF AMERICA, INC.
Reel/Frame 037894/0894 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 4, 2016
From: SHARP LABORATORIES OF AMERICA, INC.
To: DOLBY INTERNATIONAL AB
Reel/Frame 037894/0938 →
Continuity (3)
Continuation 14284233 · May 21, 2014
Continuation 13273191 · Oct 13, 2011
Related Publication 20160156923A1 · Jun 2, 2016
Cited By (1)
US 12,335,509