Grouping of tiles for video coding

YK Wang, Y Chen, MZ Coban, M Karczewicz - US Patent 9,584,819, 2017 - Google Patents
Techniques described herein for coding video data include techniques for coding pictures
partitioned into tiles, in which each of the plurality of tiles in a picture is assigned to one of a …

Confusion of multiple filters in adaptive loop filtering in video coding

M Karczewicz, L Zhang, WJ Chien - US Patent 10,419,755, 2019 - Google Patents
An apparatus for encoding or decoding video data reconstructs one or more blocks of a
current picture of the video data. The one or more blocks of the current picture comprise …

Method for encoding and decoding image information to determine reference index in skip mode or merge mode and device using same

S Park, J Lim, Y Jeon, H Hendry, C Younghee… - US Patent …, 2018 - Google Patents
A decoding method includes entropy-decoding received information, performing inter
prediction on a current block based on the entropy-decoded information, and restoring …

Method and device for processing video signal

BK Lee, JY Kim - US Patent 10,554,969, 2020 - Google Patents
Provided is a method for decoding a video signal. The method includes generating a first
prediction sample by performing intra prediction on a current block, determining an intra …

Method and apparatus for in-loop filtering

CW Hsu, YW Huang - US Patent 8,913,656, 2014 - Google Patents
BACKGROUND Motion estimation is an effective inter-frame coding tech nique to exploit
temporal redundancy in video sequences. Motion-compensated inter-frame coding has …

Block-based adaptive loop filter (ALF) design and signaling

M Karczewicz, A Gadde, V Seregin… - US Patent 11,451,773, 2022 - Google Patents
A video encoder and video decoder may determine a set of adaptive loop filters, from among
a plurality of sets of adaptive loop filters, on a per-block basis. Each set of adaptive loop …

Flexible region based sample adaptive offset (SAO) and adaptive loop filter (ALF)

V Sze, M Budagavi - US Patent 9,344,743, 2016 - Google Patents
A method for in-loop filtering in a video encoder is provided that includes determining filter
parameters for each filtering region of a plurality of filtering regions of a reconstructed …

Video encoding method and video encoding apparatus and video decoding method and video decoding apparatus for signaling SAO parameters

E Alshina, A Alshin, J Park - US Patent 9,787,992, 2017 - Google Patents
The present disclosure relates to signaling of sample adap tive offset (SAO) parameters
determined to minimize an error between an original image and a reconstructed image in …

Method and apparatus for image and video coding using hierarchical sample adaptive band offset

W Kim, DK Kwon - US Patent 9,277,194, 2016 - Google Patents
A method and apparatus for image coding using hierarchical sample adaptive band offset.
The method includes decoding a signal of a portion of an image, determining a band offset …

Non-local adaptive loop filter

CY Chen, JL Lin, TD Chuang, YW Huang - US Patent 10,462,459, 2019 - Google Patents
Aspects of the disclosure provide a method for denoising a reconstructed picture. The
method can include receiving reconstructed video data corresponding to a picture, dividing …