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1. (WO2018199793) GEODESIC INTRA-PREDICTION FOR PANORAMIC VIDEO CODING

Pub. No.:    WO/2018/199793    International Application No.:    PCT/RU2017/000271
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Fri Apr 28 01:59:59 CEST 2017
IPC: H04N 19/105
H04N 19/593
H04N 19/11
H04N 19/182
Applicants: HUAWEI TECHNOLOGIES CO., LTD
IKONIN, Sergey Yurievich
Inventors: IKONIN, Sergey Yurievich
Title: GEODESIC INTRA-PREDICTION FOR PANORAMIC VIDEO CODING
Abstract:
According to a first aspect a video encoder is provided. The video encoder comprises an input unit that is configured to receive frames of spherical video, each of the frames comprising blocks of pixels. The video encoder further comprises an intra-prediction unit that is configured to generate a set of residuals for a current block to be encoded, by performing intra-prediction along a geodesic curve for the current block to be encoded. The video encoder further comprises an output unit that is configured to provide an encoded bitstream based on sets of residuals generated by the intra-prediction performed on the blocks to be encoded.