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Sampling grid information for spatial layers in multi-layer video coding

A multi-layer video coding and video layer technology, applied in the direction of digital video signal modification, image communication, electrical components, etc., can solve the problems of complex video data transmission and/or coding

Active Publication Date: 2019-08-02
VID SCALE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Various configurations of these devices and / or network entities can complicate the transmission and / or encoding of video data

Method used

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  • Sampling grid information for spatial layers in multi-layer video coding
  • Sampling grid information for spatial layers in multi-layer video coding
  • Sampling grid information for spatial layers in multi-layer video coding

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Embodiment Construction

[0028] A detailed description of illustrative embodiments will now be described with reference to the various drawings. While this description provides detailed examples of possible implementations, it should be noted that these details are intended to be exemplary and in no way limit the scope of the application. The articles "one (a)" or "one (an)" used below are not for further quantification or characterization, but can be understood as "one or more" or "at least one".

[0029] Various digital video compression techniques can be used for efficient digital video communication, distribution and / or consumption. Examples of such standards for commercial deployment of digital video can be developed by ISO / IEC and ITU-T, such as H.26, MPEG-1, MPEG-2, H.263, MPEG-4part 2, H.264 / MPEG-4part10AVC and / or High Efficiency Video Coding (HEVC) (eg, which may be jointly developed by the ITU-T Video Coding Experts Group (VCEG) and the ISO / IEC Moving Picture Experts Group (MPEG)). For the...

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Abstract

Sampling grid information may be determined for multi-layer video coding systems. The sampling grid information may be used to align the video layers of a coding system. Sampling grid correction may be performed based on the sampling grid information. The sampling grids may also be detected. In some embodiments, a sampling grid precision may also be detected and / or signaled.

Description

[0001] This application is a divisional application of Chinese patent application 201380041977.1 entitled "Sampling grid information for spatial layers in multi-layer video coding" submitted on August 6, 2013. [0002] Cross References to Related Applications [0003] This application claims U.S. Provisional Patent Application No. 61 / 680,244, filed August 6, 2012, entitled "Signaling Of Sampling Grid Information Among Spatial Layers In Multi-Layer Video," and filed April 5, 2013, entitled "Signaling Of Sampling Grid Information Among Spatial Layers In Multi-Layer Video Coding," U.S. Provisional Patent Application No. 61 / 809,102, the disclosures of both applications are hereby incorporated by reference in their entirety into this application for all purposes. Background technique [0004] As video applications are implemented on smartphones and other WTRUs, video consumption can be accommodated on devices with varying capabilities (eg, computing power, memory / storage size, disp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/85H04N19/46H04N19/186H04N19/80H04N19/33H04N19/59
CPCH04N19/597H04N19/46H04N19/186H04N19/80H04N19/33H04N19/85H04N19/59H04N19/169
Inventor 叶琰贺玉文董洁
Owner VID SCALE INC