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Multiview video decoding apparatus and multiview video decoding method

A technology for moving images and decoding devices, applied in image communication, television, digital video signal modification, etc., can solve problems such as insufficient suppression of decoded image disorder, inability to select and repair erroneous images, and inability to use images for the right eye.

Inactive Publication Date: 2012-02-01
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the right-eye image at the same time is decoded after the left-eye image, the right-eye image cannot be used for error correction.
[0022] As described above, in the above-mentioned prior art, it is impossible to select an image more suitable for repairing errors, and it is impossible to sufficiently suppress disturbance of a decoded image.

Method used

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  • Multiview video decoding apparatus and multiview video decoding method
  • Multiview video decoding apparatus and multiview video decoding method
  • Multiview video decoding apparatus and multiview video decoding method

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Embodiment approach 1

[0053] According to the multi-view video decoding device according to the first embodiment, the motion data including the coded first video information of the first viewpoint and the second video information of the second viewpoint coded with reference to the first video information A multi-view video decoding device for decoding video streams, comprising: a decoding unit that decodes the video stream; an error detection unit that detects errors from the video stream; and an error repair unit that converts errors detected by the error detection unit Error recovery; the error recovery unit includes: a decoding control unit that, when an error is detected in the first coded image information contained in the first moving image information by the error detection unit, controls the decoding unit so that The second encoded image information included in the second moving image information decoded after the first encoded image information is decoded; An error detected by the error de...

Embodiment approach 2

[0121] The multi-view video decoding device according to Embodiment 2 is characterized in that, when an error occurs in video information referred to from other video information, it decodes the other video information and performs motion compensation processing on the decoded result, In this way, repair image information is generated, and the error image information is replaced with the generated repair image information.

[0122] In addition, the configuration of the multi-view video decoding device according to the second embodiment is figure 1 The shown configuration of the multi-view video decoding device 100 according to Embodiment 1 is the same, so description thereof will be omitted.

[0123] Hereinafter, the operation of the multi-view video decoding device according to Embodiment 2 will be described.

[0124] Image 6 It is a flowchart showing an example of the operation when an error occurs in the operation of the multi-view video decoding device according to the ...

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Abstract

A multiview video decoding apparatus which sufficiently suppresses artifact in a decoded image even when an error occurs in the to-be-decoded image. It decodes a video stream including first coded video information of a first viewpoint and second coded video information of a second viewpoint, and includes: a decoding unit which decodes the video stream; and an error detecting unit which detects an error in the video stream; and an error concealing unit which conceals the error and includes (i) a decoding control unit which, when the error is in first coded image information in the first coded video information, causes said decoding unit to decode second coded image information included in the second coded video information and to be decoded after the first coded image information and (ii) a concealment processing unit which conceals the detected error, using decoded image information generated by decoding the second coded image information.

Description

technical field [0001] The present invention relates to a multi-view video decoding device for decoding a video stream in which video information from multiple viewpoints is coded for stereoscopic viewing, and in particular to decoding video information from one viewpoint with reference to video information from another viewpoint A multi-view video decoding device for encoded video streams. Background technique [0002] As one of techniques for compressing and encoding moving image information, an encoding technique based on the MPEG (Moving Picture Experts Group) standard is known. In recent years, MPEG2, MPEG4, MPEG4 AVC, and the like are known as major MPEG standards that have spread. [0003] The main feature of these compression techniques is to encode the difference between a picture to be coded (hereinafter referred to as a picture to be coded) and a picture that has already been coded and reconstructed (hereinafter referred to as a reference picture). Specifically,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N13/04H04N7/32H04N13/02H04N19/102H04N19/134H04N19/139H04N19/157H04N19/166H04N19/423H04N19/44H04N19/50H04N19/503H04N19/513H04N19/597H04N19/65H04N19/67H04N19/85H04N19/89H04N19/895
CPCH04N19/00769H04N19/00733H04N19/00939H04N19/895H04N19/51H04N19/597
Inventor 谷户丈志重信优也
Owner PANASONIC CORP
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