Patent ID: 9124894
Filing Date: 2015-09-01
Classification: G06K,H04N

Abstract:
1. An apparatus for video decoding, the apparatus comprising: a processor which is configured for obtaining, from a bitstream, information about pixel value compensation and, when the information about pixel value compensation indicates one of a band type and an edge type, obtaining a plurality of offsets from the bitstream; a band type compensator which is configured for, when the information about pixel value compensation indicates the band type, applying an offset, among the plurality of offsets, to a pixel corresponding to a band among pixels of a current block; and an edge type compensator which is configured for, when the information about pixel value compensation indicates the edge type, applying an offset, among the plurality of offsets, to a pixel corresponding to an edge pattern among the pixels of a current block, wherein: the band is one of a plurality of bands, the edge pattern is one of a plurality of edge patterns, when the information about pixel value compensation indicates the band type, the plurality of offsets corresponds to the plurality of bands, and when the information about pixel value compensation indicates the edge type, the plurality of offsets corresponds to the plurality of edge patterns.