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1. IN201847035681 - AN APPARATUS A METHOD AND A COMPUTER PROGRAM FOR VIDEO CODING AND DECODING

Office
India
Application Number 201847035681
Application Date 21.09.2018
Publication Number 201847035681
Publication Date 28.09.2018
Publication Kind A
IPC
H04N 19/55
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
50using predictive coding
503involving temporal prediction
51Motion estimation or motion compensation
55Motion estimation with spatial constraints, e.g. at image or region borders
Applicants NOKIA TECHNOLOGIES OY
Inventors HANNUKSELA, Miska
Priority Data 20165256 24.03.2016 FI
Title
(EN) AN APPARATUS A METHOD AND A COMPUTER PROGRAM FOR VIDEO CODING AND DECODING
Abstract
(EN)
There is provided a method comprising encoding an uncompressed constituent frame into a first encoded picture said encoding also resulting into a reconstructed first picture and said constituent frame having an effective picture area within the first reconstructed picture performing either of the following as a part of said encoding: inserting at least one sample value outside the effective picture area to form a boundary extension for the constituent frame in the reconstructed first picture; or saturating or wrapping oversample locations outside the effective picture area to be within the effective picture area. There is also provided a method comprising receiving an encoded picture decoding the encoded picture to form a reconstructed constituent frame of the picture having an effective picture area;and performing either of the following: filling an area outside the effective picture area to produce a padded reference picture wherein the filled area forms a boundary extension; or determining that when referring to sample locations outside the effective picture area in decoding said sample locations are saturated or wrapped over to be within the effective picture area.