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Title:
AN APPARATUS, A METHOD AND A COMPUTER PROGRAM FOR VIDEO CODING AND DECODING
Document Type and Number:
WIPO Patent Application WO/2018/002425
Kind Code:
A3
Abstract:
A method for video decoding comprising: decoding, from a bitstream, a first encoded region of a first equirectangular picture into a first preliminary reconstructed region (760); forming a first reconstructed region from the first preliminary reconstructed region, wherein the forming comprises downsampling and rearranging the first preliminary reconstructed region, wherein the rearranging comprises relocating and one or both of rotating and mirroring (762); and decoding at least a second region, wherein the first reconstructed region is used as a reference for prediction in decoding the at least second region (764) and the second region either belongs to a second picture and is spatially collocated with the first reconstructed region or belongs to the first picture.

Inventors:
HANNUKSELA, Miska (Rusthollinrinne 2, Tampere, 33610, FI)
LAINEMA, Jani (Kisakentänkatu 12 B 6, Tampere, 33230, FI)
AMINLOU, Alireza (Vaajakatu 5 G 152, Tampere, 33720, FI)
GHAZNAVI YOUVALARI, Ramin (Orivedenkatu 8 G 155, Tampere, 33720, FI)
Application Number:
FI2017/050448
Publication Date:
January 04, 2018
Filing Date:
June 15, 2017
Export Citation:
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Assignee:
NOKIA TECHNOLOGIES OY (Karaportti 3, Espoo, 02610, FI)
International Classes:
H04N19/167; G06T3/40; H04N5/232; H04N19/59; G03B37/00
Domestic Patent References:
WO2016076680A12016-05-19
WO2016064862A12016-04-28
WO2017127816A12017-07-27
Foreign References:
JP2002312778A2002-10-25
Other References:
YU , M. ET AL.: "Content Adaptive Representations of Omnidirectional Videos for Cinematic Virtual Reality", PROCEEDINGS OF THE 3RD INTERNATIONAL WORKSHOP ON IMMERSIVE MEDIA EXPERIENCES(IMMERSIVEME'15, 30 October 2015 (2015-10-30), pages 1 - 6, XP058074923, Retrieved from the Internet [retrieved on 20171020]
Attorney, Agent or Firm:
NOKIA TECHNOLOGIES OY et al. (Ari Aarnio, IPR DepartmentKarakaari 7, Espoo, 02610, FI)
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