High-fidelity full reference and high-efficiency reduced reference encoding in end-to-end single-layer backward compatible encoding pipeline
(57) ABSTRACT 3D mapping statistics are generated for a first image of a first dynamic
range and a second image of a second dynamic range different from the first dynamic range …
range and a second image of a second dynamic range different from the first dynamic range …
Image debanding method
KH Lee - US Patent 11,587,207, 2023 - Google Patents
An image debanding method includes selecting a first and a second comparison pixel from
a plurality of adjacent pixels within a preset pixel distance range in a straight pixel direction …
a plurality of adjacent pixels within a preset pixel distance range in a straight pixel direction …
Hardware efficient sparse FIR filtering in layered video coding
GM Su, Q Chen, P Yin, S Qu - US Patent 10,182,235, 2019 - Google Patents
In a decoder, a processor extracts a control map of false contour filtering from a part of a
multi-layer video signal that includes a low dynamic range image mapped from an original …
multi-layer video signal that includes a low dynamic range image mapped from an original …
Electro-optical transfer function conversion and signal legalization
A device includes an electronic processor configured to define a first set of sample pixels
from a set of sample pixels determined from received video data according to a first electro …
from a set of sample pixels determined from received video data according to a first electro …
Method to smooth edge of image
CF Chuang - US Patent 11,222,408, 2022 - Google Patents
(57) ABSTRACT A method to smooth periphery pixels of an image includes operations. First,
an image includes periphery pixels is provided. Each periphery pixel includes periphery sub …
an image includes periphery pixels is provided. Each periphery pixel includes periphery sub …
Reducing banding artifacts in HDR imaging via adaptive SDR-to-HDR reshaping functions
Methods and systems for reducing banding artifacts when displaying high-dynamic-range
images are described. Given an input image in a first dynamic range, and an input backward …
images are described. Given an input image in a first dynamic range, and an input backward …