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Method for managing a reference picture list, and apparatus using same

A technology of reference pictures and long-term reference pictures, which is applied in image communication, pulse modulation TV signal transmission, electrical components, etc., and can solve the problems of increased transmission costs and storage costs

Inactive Publication Date: 2014-03-05
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, when video data is transmitted using a medium such as an existing wired or wireless broadband line or stored in an existing storage medium, its transmission cost and storage cost increase

Method used

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  • Method for managing a reference picture list, and apparatus using same
  • Method for managing a reference picture list, and apparatus using same
  • Method for managing a reference picture list, and apparatus using same

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Embodiment Construction

[0021] While the present invention can be modified in various forms and have various embodiments, specific embodiments thereof will be described in detail with reference to the accompanying drawings. However, it should be understood that the present invention is not limited to specific embodiments and includes all modifications, equivalents and replacements included in the technical spirit and scope of the present invention. In the figures, the same elements are referenced by the same reference numerals.

[0022] Terms such as 'first' and 'second' may be used to describe various elements, but the elements are not limited to these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and likewise a second element could be termed a first element, without departing from the scope of the present invention. The term "and / or" includes a combination of multiple related elements, or any one of multipl...

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Abstract

Provided are a method for managing a reference picture list, and an apparatus using same. An image decoding method comprises the steps of: decoding one picture of second-highest temporal layer pictures in a hierarchical picture configuration; and decoding top temporal layer pictures which precede and follow the second-highest temporal layer pictures with respect to a picture order count (POC) in a POC sequence, respectively. Therefore, available reference pictures remain in a decoded picture buffer (DPB), thereby improving image-encoding efficiency.

Description

technical field [0001] The present invention relates to a video decoding method and a video decoder, and more particularly, to a method of managing a reference picture list and an apparatus using the method. Background technique [0002] In recent years, demands for high-resolution and high-quality videos such as high-definition (HD) video and ultra-high-definition (UHD) video have increased in various application fields. However, since video has higher resolution and higher quality, the data volume of video has increased more than existing video data. Therefore, when video data is transmitted using a medium such as an existing wired or wireless broadband line or stored in an existing storage medium, its transmission cost and storage cost increase. High-efficiency video compression techniques may be used to address such problems due to enhancement of resolution and quality of video data. [0003] Such as an inter-prediction technique of predicting a pixel value included in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/573H04N19/31H04N19/577H04N19/423
CPCH04N19/00484H04N19/0043H04N19/00533H04N19/00715H04N19/00721H04N19/31H04N19/423H04N19/573H04N19/577H04N7/24H04N19/00H04N19/44H04N19/503H04N19/103H04N19/172
Inventor 林宰显朴胜煜金廷宣朴俊永崔瑛喜全柄文全勇俊
Owner LG ELECTRONICS INC
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