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 …

Adaptive coefficient scanning for video coding

Y Ye, M Karczewicz - US Patent 8,488,668, 2013 - Google Patents
PREDICTIONMODE, PARTITION SIZE AND MOTION WECTORS adjustment to the scan
order can be made in order to better ensure that non-Zero coefficients are grouped together …

Separable directional transforms

Y Ye, M Karczewicz - US Patent 8,619,853, 2013 - Google Patents
This disclosure describes techniques for transforming residual blocks of video data. In
particular, a plurality of different transforms selectively applied to the residual blocks based …

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 …

Adaptive coefficient scanning in video coding

Y Ye, M Karczewicz - US Patent 8,571,104, 2013 - Google Patents
Related US Application Dat e pplication Uata Primary Examiner—Gregory Sefcheck (60)
Provisional application No. 61/030,443, filed on Feb.(74) Attorney, Agent, or Firm—Todd E …

Apparatus and methods for compressing video content using adaptive projection selection

A Abbas - US Patent 10,313,686, 2019 - Google Patents
Apparatus and methods for encoding panoramic content, such as by a wide field of view and
large image size. In one implementation, a panoramic image may be mapped to a cube …

Separable directional transforms

Y Ye, M Karczewicz - US Patent 9,578,331, 2017 - Google Patents
This disclosure describes techniques for transforming residual blocks of video data. In
particular, a plurality of different transforms selectively applied to the residual blocks based …

Adaptive coding of video block prediction mode

Y Ye, M Karczewicz - US Patent 8,428,133, 2013 - Google Patents
This disclosure describes techniques for coding of header information of video blocks. In
particular, the techniques of this disclosure select one of a plurality of prediction modes for …

Image and video compression using sparse orthonormal transforms

O Harmanci, OG Guleryuz, OG Sezer - US Patent 8,437,564, 2013 - Google Patents
A method and apparatus is disclosed herein for performing compression with sparse
orthonormal transforms. One method includes receiving a block of data; classifying the block …

Video coding with large macroblocks

P Chen, M Karczewicz, Y Ye - US Patent 8,948,258, 2015 - Google Patents
Techniques are described for encoding and decoding digital video data using macroblocks
that are larger than the macroblocks prescribed by conventional video encoding and …