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Apparatus and method for generating/recovering motion information based on predictive motion vector index encoding, and apparatus and method for image encoding/decoding using same

A technology for predicting motion vectors and motion vectors, which is applied in the field of video coding/decoding, and can solve problems such as coding that does not consider time characteristics, difficult to achieve coding, etc.

Active Publication Date: 2013-09-25
SK TELECOM CO LTD
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Problems solved by technology

However, since the candidate motion vector index encoding method as described above does not consider encoding according to temporal characteristics of images, it is difficult to achieve efficient encoding

Method used

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  • Apparatus and method for generating/recovering motion information based on predictive motion vector index encoding, and apparatus and method for image encoding/decoding using same
  • Apparatus and method for generating/recovering motion information based on predictive motion vector index encoding, and apparatus and method for image encoding/decoding using same
  • Apparatus and method for generating/recovering motion information based on predictive motion vector index encoding, and apparatus and method for image encoding/decoding using same

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Embodiment Construction

[0066] Hereinafter, at least one embodiment of the present disclosure will be described in detail with reference to the accompanying drawings. Hereinafter, like reference numerals designate like elements, although elements are shown in different drawings. Also, in the following description of at least one embodiment, detailed descriptions of known functions and configurations incorporated herein will be omitted for clarity and simplicity.

[0067] A video encoding device and / or a video decoding device according to one or more embodiments may correspond to devices such as PC (Personal Computer), Notebook Computer, PDA (Personal Digital Assistant), PMP (Portable Multimedia Player), PSP (Portable Game Station) ), wireless communication terminals, smart phones, TV and other user terminals. A video encoding device and / or a video decoding device according to one or more embodiments may correspond to a server terminal such as an application server, a server for service, or the like....

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Abstract

Disclosed are an apparatus and a method for generating / recovering motion information based on predictive motion vector index encoding, and to an apparatus and a method for image encoding / decoding using the same. The image encoding / decoding apparatus according to an embodiment of the present invention comprises an image encoder which generates information on the index for a predictive motion vector of a current block based on the motion vector of identically located blocks of a reference frame and the motion vector of blocks existing near the current block, and generates motion information on the current block, including a differential motion vector obtained by subtracting the predictive motion vector from the motion vector of the current block, a reference frame index information and a predictive motion vector index information, when performing inter-prediction for the current block using the reference frame; and an image decoder which recovers the predictive motion vector based on the predictive motion vector index information, adds the recovered predictive motion vector and the differential motion vector to recover the motion vector of the objective block to be decoded, and recovers the objective block based on the recovered motion vector of the objective block.

Description

technical field [0001] In one or more embodiments, the present disclosure relates to an apparatus and method for generating / restoring motion information based on predicted motion vector index encoding and an apparatus and method for video encoding / decoding using the apparatus and method. More specifically, the present disclosure relates to an apparatus and method for generating / restoring motion information based on predicted motion vector index coding and an apparatus and method for video encoding / decoding using the motion information, which can be achieved by setting a co-located block of a reference frame Compression and decoding efficiency is improved by efficiently encoding / decoding motion information of a current block in consideration of temporal characteristics of an image with information of a co-located block having the same size as the current block and using a reference frame in encoding an index value of a candidate motion vector. Background technique [0002] MP...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/32
CPCH04N19/52H04N19/61H04N19/105H04N19/51H04N21/4821H04N19/615
Inventor 宋振翰林晶娟金海光文柱禧李英烈韩钟基全炳宇
Owner SK TELECOM CO LTD
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