Enhanced multiple transforms for prediction residual

X Zhao, S Lee, J Chen, L Zhang, X Li, Y Chen… - US Patent …, 2019 - Google Patents
Example techniques are described to determine transforms to be used during video
encoding and video decoding. A video encoder and a video decoder may select transform …

Signaling selected directional transform for video coding

M Karczewicz, MZ Coban, P Chen, HC Chuang… - US Patent …, 2015 - Google Patents
In one example, an apparatus for encoding video data includes a video encoder configured
to select an intra-prediction mode to use to encode a block of video data, determine whether …

Coding syntax elements for adaptive scans of transform coefficients for video coding

M Karczewicz, MZ Coban, P Chen, HC Chuang… - US Patent …, 2017 - Google Patents
In one example, an apparatus for encoding video data includes a video encoder configured
to scan a two-dimensional block of transform coefficients to produce a one-dimensional …

Coding of a spatial sampling of a two-dimensional information signal using sub-division

H Kirchhoffer, M Winken, P Helle, D Marpe… - US Patent …, 2020 - Google Patents
US10771822B2 - Coding of a spatial sampling of a two-dimensional information signal
using sub-division - Google Patents US10771822B2 - Coding of a spatial sampling of a two-dimensional …

Image encoding device, image encoding method, image decoding device, image decoding method, program, and storage medium

Y Tokumo - US Patent 8,644,382, 2014 - Google Patents
2018-04-02 Assigned to CORTLAND CAPITAL MARKET SERVICES LLC, AS
COLLATERAL AGENT reassignment CORTLAND CAPITAL MARKET SERVICES LLC, AS …

Region merging and coding parameter reuse via merging

P Helle, S Oudin, M Winken, D Marpe… - US Patent …, 2020 - Google Patents
(57) ABSTRACT A favorable merging or grou** of simply connected regions into which
the array of information samples is sub-divided, is coded with a reduced amount of data. To …

Constrained block-level optimization and signaling for video coding tools

X Zhao, V Seregin, RL Joshi, A Said, X Li… - US Patent …, 2020 - Google Patents
An example device for decoding encoded video data includes storage media and
processing circuitry. The storage media are configured a portion of the encoded video data …

Intra prediction mode coding with directional partitions

WJ Chien, Y Zheng, M Karczewicz - US Patent 9,532,058, 2016 - Google Patents
A video coder can determine a most probable mode for a block of video data using non-
square partitions based on the direction of the non-square partitions. When the direction of …

Image coding method and image decoding method based on edge direction

V Drugeon, T Wedi, T Palfner, H Sasai - US Patent 8,442,334, 2013 - Google Patents
Provided is an image coding method for performing intra prediction achieving higher coding
efficiency. The method for coding image data on a block-by-block basis includes: generating …

Region merging and coding parameter reuse via merging

P Helle, S Oudin, M Winken, D Marpe… - US Patent …, 2019 - Google Patents
Pittman, LLP (57) ABSTRACT A favorable merging or grou** of simply connected regions
into which the array of information samples is sub-divided, is coded with a reduced amount …