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Method for using a network abstract layer unit to signal an instantaneous decoding refresh during a video operation

A technology of video information and information indication, applied in the direction of digital video signal modification, pulse modulation TV signal transmission, TV, etc., can solve the problem of low efficiency of IDR implementation.

Active Publication Date: 2009-09-02
INTERDIGITAL CE PATENT HLDG
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] However, current IDR implementations are less efficient when dealing with the problem of MVC encoding situations where multiple views may need to be encoded

Method used

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  • Method for using a network abstract layer unit to signal an instantaneous decoding refresh during a video operation
  • Method for using a network abstract layer unit to signal an instantaneous decoding refresh during a video operation
  • Method for using a network abstract layer unit to signal an instantaneous decoding refresh during a video operation

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Embodiment Construction

[0021] The principles of the present invention can be applied to any intra- and inter-based coding standards. The term "picture" is used throughout this specification as a general term to describe various elements known in the art as "frames", "fields" and "slices", as well as the term "picture" itself. form of video image information. It should be noted that although the term picture is used to denote various elemental video information, AVC refers to the use of slices, where such a reference picture may use a slice from the same picture as a "reference picture" and, regardless of how the picture is subdivision, the principles of the present invention are applicable.

[0022] The principles of the present invention are typically described below in connection with an element called a Network Abstraction Layer, as defined in AVC. It should be understood that the principles of the present invention are also applicable to formats in which data is transmitted, such as data packe...

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Abstract

The invention provides a memory management technique for memory management for a memory used for storing reference pictures associated with a multiview coded video picture system. Based upon information received with coded picture information of an instantaneous refresh decode picture (620), a determination is made to delete reference pictures associated with a particular view (625), where such pictures to be deleted from the memory (630).

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application Serial No. 60 / 851,953, filed October 16, 2006, the entire disclosure of which is hereby incorporated by reference. technical field [0003] The present invention relates to the field of moving pictures, in particular to the problem of storage of reference pictures used for coding the moving pictures. Background technique [0004] Many inter-coding systems use reference pictures, and the use of such reference pictures helps reduce the size of the coded bitstream. The result of this type is that the coding efficiency is higher than that of using intra coding techniques alone. Many coding standards thus combine intra and inter coding techniques to code a bitstream from a series of moving pictures. As known in the prior art, different types of reference pictures are used for coding standards, such as "I" pictures (intra) that are coded only by using elements ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26
CPCH04N19/00781H04N7/26702H04N7/26313H04N7/26031H04N19/0003H04N7/50H04N19/00024H04N7/26015H04N19/00478H04N19/00769H04N19/00545H04N19/597H04N19/105H04N19/46H04N19/61H04N19/107H04N19/42H04N13/00
Inventor 普尔温·比贝哈斯·潘迪特苏叶平尹鹏
Owner INTERDIGITAL CE PATENT HLDG
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