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Image processing device and image processing method

An image processing device and image technology, which are applied in the directions of image communication, electrical components, pulse modulated television signal transmission, etc., to achieve the effect of avoiding redundant transmission

Inactive Publication Date: 2014-04-23
SONY CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But in fact, many parameters stored in PPS have not changed relative to multiple pictures

Method used

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  • Image processing device and image processing method
  • Image processing device and image processing method
  • Image processing device and image processing method

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Embodiment Construction

[0053] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Note that, in the specification and the appended drawings, elements that have substantially the same function and structure are denoted with the same reference numerals and repeated explanation is omitted.

[0054] In addition, description is made in the following order.

[0055] 1. Exemplary configuration of the image encoding device according to the embodiment

[0056] 1-1. Exemplary overall configuration

[0057] 1-2. Overview of parameter set structure

[0058]1-3. Exemplary Configuration of Syntax Encoding Section

[0059] 2. Processing flow during encoding according to the embodiment

[0060] 2-1. Overview of processing

[0061] 2-2.APS encoding processing

[0062] 2-3. Title encoding processing

[0063] 3. Exemplary configuration of the image decoding device according to the embodiment

[0064] 3-1. Exemplary overall configuration ...

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Abstract

To avoid redundant transfer of parameters, in instances in which parameters of mutually different qualities are included in a common parameter set. Provided is an image processing device equipped with: an acquisition section for acquiring, from a parameter set of an encoded stream, a parameter group including one or more parameters for use when encoding or decoding an image, and an auxiliary identifier for identifying the parameter group in question; and a decoding section for decoding the image, using the parameters within the parameter group that has been looked up using the auxiliary identifier that was acquired by the acquisition section.

Description

technical field [0001] The present disclosure relates to an image processing device and an image processing method. Background technique [0002] In H.264 / AVC (one of the standard picture coding scheme specifications), in order to store parameters for encoding and decoding pictures, two types called sequence parameter set (SPS) and picture parameter set (PPS) are defined parameter set. The SPS is a parameter set mainly for storing parameters that can be changed for each sequence, and the PPS is a parameter set for mainly storing parameters that can be changed for each picture. But in fact, many parameters stored in the PPS remain unchanged relative to multiple pictures. [0003] In the standard for High Efficiency Video Coding (HEVC), which is a next-generation image coding scheme inherited from H.264 / AVC, Adaptive Parameter Set (APS) is introduced, which is a new one different from SPS and PPS parameter set (see Non-Patent Document 1 below). APS is a parameter set mainl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/61H04N19/117H04N19/597H04N19/82
CPCH04N19/00545H04N7/26H04N19/46H04N19/70H04N19/61H04N19/82
Inventor 田中润一
Owner SONY CORP
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