Mode uniformity signaling for intra-coding

M Karczewicz - US Patent 8,488,672, 2013 - Google Patents
US PATENT DOCUMENTS 5,815,601 A 9, 1998 Katata et al. 5,974,181 A 10, 1999 Prieto
6,157,676 A 12/2000 Takaoka et al. 6,476,805 B1 1 1/2002 Shum et al. 6,654,503 B1 1 …

Pixel-by-pixel weighting for intra-frame coding

M Karczewicz - US Patent 8,238,428, 2012 - Google Patents
Techniques for improving the accuracy of prediction in intra frame coding. A prediction mode
can specify a pixel along a direction independently of other pixels along the same direc tion …

Directional transforms for intra-coding

M Karczewicz - US Patent 8,406,299, 2013 - Google Patents
PREDICTION coded blocks using mode-dependent transform functions. In an embodiment,
an encoder selects a set of transform func tions to represent prediction error based on the …

Pixel-by-pixel weighting for intra-frame coding

M Karczewicz - US Patent 8,937,998, 2015 - Google Patents
(*) Notice: Subject to any disclaimer, the term of this 5,815.601 A 9, 1998 Katata et all patent
is extended or adjusted under 35 5.974 is 1 A 10, 1999 Prieto USC 154 (b) by 314 days …

Tree-based transform unit (TU) partition for video coding

HE Egilmez, V Seregin, A Said… - US Patent 11,323,748, 2022 - Google Patents
A video decoder may receive, in a bitstream that comprises an encoded representation of
video data, information indicating whether a residual block is partitioned and information …

Method and device for image compression

M Bethge, R Hosseini - US Patent 8,750,603, 2014 - Google Patents
A method for compressing a digital image includes selecting an image patch of the digital
image; assigning the selected image patch to a specific class (z); transforming the image …

[PDF][PDF] Natural Image Modelling using Mixture Models with compression as an application

R Hosseini - 2012 - depositonce.tu-berlin.de
This thesis mainly focuses on the problem of finding good generative models of natural
images. Two main approaches are used to cope with the high dimensional problem of …

A Comparative Study of Compensation Techniques in Directional DCT's

J Fu, B Zeng - 2007 IEEE International Symposium on Circuits …, 2007 - ieeexplore.ieee.org
A block-based directional DCT framework has been developed recently in which the first
transform may choose to follow a direction other than the vertical or horizontal one–the …

Methods and apparatus for transform selection in video encoding and decoding

J Sole, P Yin, Y Zheng, C Gomila - US Patent 9,774,864, 2017 - Google Patents
There are provided methods and apparatus for transform selection in video coding. An
apparatus includes a video encoder for encoding at least a block in a picture by selecting a …

[PDF][PDF] Natural Image Modelling using Mixture Models with compression as an application

R Hosseini - depositonce.tu-berlin.de
This thesis mainly focuses on the problem of finding good generative models of natural
images. Two main approaches are used to cope with the high dimensional problem of …