Title:
動きベクトル検出方法及び動きベクトル検出装置
Document Type and Number:
Japanese Patent JP4001400
Kind Code:
B2
Abstract:
A motion vector detecting method determines a motion vector of a search block included in a search frame of a video signal by using motion vectors of processed neighboring blocks, wherein the search frame is divided into a multiplicity of blocks which include a set of processed blocks whose motion vectors have been determined, and the set of processed blocks contain the processed neighboring blocks which are neighboring blocks of the search block, by: (a) selecting an X-vector and an Y-vector among the motion vectors of the processed neighboring blocks, wherein the X-vector is a vector which is most similar to a horizontal vector the and the Y-vector is a vector which is most similar to a vertical vector, to thereby provide a group of candidate vectors which include the X-vector, the Y-vector and a 0 vector; (b) deciding a candidate motion vector among the group of candidate vectors; and (c) providing the candidate motion vector as the motion vector of the search block in case a distortion between the search block and a predicted block corresponding to the candidate motion vector is smaller than a predetermined threshold value and determining the motion vector of the search block by using a full search block matching method in case the distortion is not smaller than the predetermined threshold value.
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Inventors:
Huangdedong
Application Number:
JP29625696A
Publication Date:
October 31, 2007
Filing Date:
November 08, 1996
Export Citation:
Assignee:
Daewoo Electronics Corporation
International Classes:
G06T7/60; G06T7/20; H04N5/14; H04N7/24; H04N19/105; H04N19/134; H04N19/154; H04N19/176; H04N19/196; H04N19/423; H04N19/50; H04N19/51; H04N19/533; H04N19/57
Domestic Patent References:
| JP8079767A | ||||
| JP4323780A |
Attorney, Agent or Firm:
Kenji Sugimura
Eiji Fujiwara
Kosaku Sugimura
Eiji Fujiwara
Kosaku Sugimura