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Advanced merge/skip mode and advanced motion vector prediction (AMVP) mode for 3D video

A technology of skip mode and motion vector, applied in the field of video decoding

Active Publication Date: 2015-09-30
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Spatial or temporal prediction leads to predictive blocks of decoded blocks

Method used

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  • Advanced merge/skip mode and advanced motion vector prediction (AMVP) mode for 3D video
  • Advanced merge/skip mode and advanced motion vector prediction (AMVP) mode for 3D video
  • Advanced merge/skip mode and advanced motion vector prediction (AMVP) mode for 3D video

Examples

Experimental program
Comparison scheme
Effect test

no. 4 example

[0231] In a fourth example, the following pairs of motion vector candidates are compared (if both are available):

[0232] When LTMV is available, (LMV, IPMVC derived from disparity vector);

[0233] (LMV, from A 1 space merge candidates);

[0234] When RTMV is available, (RMV, IPMVC derived from disparity vector)

[0235] (RMV, from A 1 space merge candidates).

[0236] In a fifth example, the following (up to five) pairs of motion vector candidates are compared (if two of them are available):

[0237] When LTMV is available, (LMV, IPMVC derived from disparity vector);

[0238] (LMV, from A 1 space merge candidates);

[0239] When RTMV is available, (RMV, IPMVC derived from disparity vector);

[0240] (RMV, from A 1 space merge candidates);

[0241] When both LTMV and LTMV are available, (RMV, LMV).

[0242] Figure 7 To illustrate a block diagram of an example video encoder 20 that may implement the techniques described in this disclosure, including the inter-vie...

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Abstract

Techniques are described where if an inter-view predicted motion vector candidate (IPMVC) and an inter-view disparity motion vector candidate (IDMVC) are derived based on a shifted disparity vector, where the amount by which the disparity vector is shifted for the IPMVC and IDMVC is different. The techniques also prioritize the inclusion of the IPMVC over the IDMVC in a candidate list, and prune the IPMVC and the IDMVC if there is a duplicated IPMVC or IDMVC in the candidate list.

Description

[0001] This application claims the benefit of: [0002] U.S. Provisional Application No. 61 / 734,929 filed December 7, 2012, and [0003] US Provisional Application No. 61 / 747,350, filed December 30, 2012, the entire contents of each of which applications are incorporated herein by reference. technical field [0004] The present invention relates to video coding. Background technique [0005] Digital video capabilities can be incorporated into a wide range of devices, including digital television, digital broadcast systems, wireless broadcast systems, personal digital assistants (PDAs), laptop or desktop computers, tablet computers, e-book readers, digital Cameras, digital recording devices, digital media players, video game devices, video game consoles, cellular or satellite radiotelephones, so called "smart phones", video teleconferencing devices, video streaming devices and the like. Digital video devices implement video compression techniques such as the standards defin...

Claims

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Application Information

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IPC IPC(8): H04N19/597H04N19/51
CPCH04N19/103H04N19/52H04N19/00696H04N19/597
Inventor 张莉陈颖马尔塔·卡切维奇
Owner QUALCOMM INC
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