Determining regions when performing intra block copying

A technology of intra-frame copy and intra-block, applied in the field of video decoding

Active Publication Date: 2016-04-06
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology has several technical improvements that can improve its performance over existing technologies for various applications such as communication systems.

Problems solved by technology

This patented describes how different types of content have been compressed differently depending on their importance level during transmission over networks that support them.

Method used

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  • Determining regions when performing intra block copying
  • Determining regions when performing intra block copying
  • Determining regions when performing intra block copying

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Embodiment Construction

[0037] Aspects of this disclosure relate generally to video coding and compression. In some examples, techniques may relate to High Efficiency Video Coding (HEVC) range extension, where color spaces other than YCbCr4:2:0 may be supported. The techniques may also involve HEVC screen content coding extensions to HEVC. ITU-TQ6 / 16 and ISO / IEC / JTC1 / SC29 / WG11 titled "Proposed Joint Requirements for Decoding of Screen Content" may be presented at the meeting in San Jose, CA on 17 January 2014 More information on the Screen Content Coding Extension for HEVC can be found in the documentation of the Visual Coding Group at http: / / www.itu.int / en / ITU-T / studygroups / com16 / video / Documents / CfP-HEVC-coding-screen-content.pdf.

[0038] HEVC is a video coding standard recently developed by the Joint Collaborative Team on Video Coding (JCT-VC) of ITU-TWP3 / 16 and ISO / IECJTC1 / SC29 / WG11. The range extension of HEVC includes extensions to video coding for color spaces other than YCbCr4:2:0 (eg, YC...

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Abstract

In general, techniques are described for performing an intra block copying process to code video data. A video decoding device that includes a memory and one or more processors may perform the techniques. The memory may be configured to store a current block of a picture. The processors may be configured to perform an intra block copying process to decode the current block using a prediction block that is from a same slice or a same tile as that in which the coded current block resides, the prediction block restricted to be within a search region that only includes the same slice or the same tile as that in which the coded current block resides.

Description

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Claims

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Application Information

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Owner QUALCOMM INC
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