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Image encoding method, image decoding method, image encoding apparatus, and image decoding apparatus
K Terada, T Nishi, T Toma, S Yoshikawa - US Patent 10,681,380, 2020 - Google Patents
2018-02-21 Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO.,
LTD. reassignment PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD …
LTD. reassignment PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD …
Encoding and decoding of pictures in a video
M Pettersson, K Andersson, S Ekström… - US Patent …, 2020 - Google Patents
There are provided mechanisms for encoding a picture of a video sequence in a video
bitstream. The picture comprises pixels wherein each pixel has a color value comprising at …
bitstream. The picture comprises pixels wherein each pixel has a color value comprising at …
High dynamic range video coding
A video sequence may include a first-temporal level picture and a second-temporal level
picture. The first-temporal level picture may be associated with a first temporal level, and the …
picture. The first-temporal level picture may be associated with a first temporal level, and the …
Temporal prediction of parameters in non-linear adaptive loop filter
Devices, systems and methods for temporal prediction of parameters in non-linear adaptive
loop filtering are described. In an exemplary aspect, a method for visual media processing …
loop filtering are described. In an exemplary aspect, a method for visual media processing …
Clip** parameter derivation in adaptive loop filter
Devices, systems and methods for temporal prediction of parameters in non-linear adaptive
loop filtering are described. In an exemplary aspect, a method for visual media processing …
loop filtering are described. In an exemplary aspect, a method for visual media processing …
Rate/distortion/RDcost modeling with machine learning
A method for encoding a block of a video stream includes generating, using pixel values of
the block, block features for the block; for each candidate encoding mode of candi date …
the block, block features for the block; for each candidate encoding mode of candi date …
Processing reference samples used for intra-prediction of a picture block
A Filippov, V Rufitskiy, H Yang, M Sychev - US Patent 10,728,548, 2020 - Google Patents
(57) ABSTRACT A method of coding implemented by a decoding device. The method
includes determining a prediction direction for a current block, determining a propagation …
includes determining a prediction direction for a current block, determining a propagation …
Up-conversion to content adaptive perceptual quantization video signals
Input minimal noise levels of are computed over input codeword bins based on image
content in input images of an input bit depth. The minimal noise levels are adjusted to …
content in input images of an input bit depth. The minimal noise levels are adjusted to …
Adaptive chroma quantization in video coding for multiple color imaging formats
T Lu, PU Fangjun, P Yin, T Chen - US Patent 10,477,212, 2019 - Google Patents
Methods to improve the quality of coding high-dynamic range (HDR) signals are presented.
Instead of using a single chroma quantization table for all color formats, a video encoder …
Instead of using a single chroma quantization table for all color formats, a video encoder …
Image coding apparatus and method thereof based on a quantization parameter derivation
S Kim, J Lim - US Patent 11,477,453, 2022 - Google Patents
According to an embodiment of the present invention, a picture decoding method performed
by a decoding apparatus is provided. The method comprises: decoding image infor mation …
by a decoding apparatus is provided. The method comprises: decoding image infor mation …