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A method for encoding an input video comprising a luma component and two chroma components, the method comprising reshaping of said input video based on reshaping functions

A technology of luminance component and chrominance component, which is used in digital video signal modification, image communication, electrical components, etc.

Active Publication Date: 2019-01-04
INTERDIGITAL CE PATENT HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0019] The disadvantage of this reshaping mechanism is that the HEVC codec and specification must be modified to combine it with HEVC

Method used

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  • A method for encoding an input video comprising a luma component and two chroma components, the method comprising reshaping of said input video based on reshaping functions
  • A method for encoding an input video comprising a luma component and two chroma components, the method comprising reshaping of said input video based on reshaping functions
  • A method for encoding an input video comprising a luma component and two chroma components, the method comprising reshaping of said input video based on reshaping functions

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Embodiment Construction

[0061] The present principles will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the principles are shown. The present principles may, however, be embodied in many alternative forms and should not be construed as limited to the examples set forth herein. Therefore, while the present principles allow for various modifications and alternative forms, specific examples thereof are shown by way of illustration in the drawings and will hereinafter be described in detail. It should be understood, however, that there is no intention to limit the present principles to the particular forms disclosed, but on the contrary the disclosure is to cover all modifications, equivalents and / or alternatives falling within the spirit and scope of the present principles as defined by the claims.

[0062] The terminology used herein is for the purpose of describing particular examples only, and is not intended to be limiting of the present pr...

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Abstract

The present principles relates to a method and device for encoding an input video comprising a luma component and two chroma components. The method comprises: reshaping of said input video by applying(610) piece-wise linear functions to the luma and chroma components; encoding (620) the reshaped video into a bitstream; and encoding (630) parameters representative of said piece-wise linear functions as side information; and the method is characterized in that reshaping of said input video further depends on a targeted range of a decoded reshaped video and the range of a reconstructed video after an inverse-reshaping is applied on the decoded reshaped video.

Description

technical field [0001] The present principles generally relate to video coding using the Color Remapping Information (CRI) Supplemental Enhancement Information (SEI) messages specified by HEVC standard version 2 to perform color volume mapping between two given color volumes (typically corresponding to different color gamuts and dynamic ranges). Background technique [0002] This section is intended to introduce the reader to various technical aspects that may be related to various aspects of the present principles that are described and / or claimed below. It is believed that this discussion is helpful to provide the reader with background information necessary to better understand various aspects of the principles of the invention. Accordingly, it should be understood that these statements are to be read in this fashion, and not as admissions of prior art. [0003] In the following, a picture contains one or several arrays of samples (pixel values) of a specific picture / vi...

Claims

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Application Information

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IPC IPC(8): H04N19/70H04N19/85
CPCH04N19/70H04N19/85H04N19/186
Inventor 弗兰克·伊龙爱德华·弗朗索瓦克里斯托夫·舍旺斯皮埃尔·安德里翁
Owner INTERDIGITAL CE PATENT HLDG
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