Title:
PREDICTION VECTOR GENERATION METHOD, PREDICTION VECTOR GENERATION DEVICE, PREDICTION VECTOR GENERATION PROGRAM, IMAGE ENCODING METHOD, IMAGE ENCODING DEVICE, IMAGE ENCODING PROGRAM, IMAGE DECODING METHOD, IMAGE DECODING DEVICE, AND IMAGE DECODING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2012/153440
Kind Code:
A1
Abstract:
A motion vector indicating the amount of movement from past texture images is predicted and a texture image is encoded, for each block being part of an area configuring a texture image comprising brightness values for each pixel, and a prediction vector generation unit generates a prediction vector on the basis of: a motion vector for one block among the blocks; a motion vector for an adjacent block adjacent to the one block; a block for a depth map being a region corresponding to the one block, among depth maps comprising depth values indicating the distance from each pixel viewpoint; and a block for a reference depth map being a region corresponding to the one block, among reference depth maps being depth maps corresponding to the one block and encoded or decoded in the past. As a result, a prediction vector generation method, an image encoding method, and an image decoding method, etc., that achieve excellent coding efficiency are provided.
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Inventors:
YAMAMOTO YOSHIYA
Application Number:
PCT/JP2011/079631
Publication Date:
November 15, 2012
Filing Date:
December 21, 2011
Export Citation:
Assignee:
SHARP KK (JP)
YAMAMOTO YOSHIYA
YAMAMOTO YOSHIYA
International Classes:
H04N7/32
Domestic Patent References:
| WO2010064396A1 | 2010-06-10 |
Foreign References:
| JP2009543508A | 2009-12-03 | |||
| JP2010534878A | 2010-11-11 | |||
| JP4938884B2 | 2012-05-23 |
Other References:
SHIN'YA SHIMIZU ET AL.: "Efficient Multi-view Video Coding using Multi-view Depth Map", THE JOURNAL OF THE INSTITUTE OF IMAGE INFORMATION AND TELEVISION ENGINEERS, vol. 63, no. 4, April 2009 (2009-04-01), pages 524 - 532
JACEK KONIECZNY ET AL.: "Depth-Based Inter-View Prediction of Motion Vectors for Improved Multiview Video Coding, 3DTV- Conference", THE TRUE VISION-CAPTURE, TRANSMISSION AND DISPLAY OF 3D VIDEO (3DTV- CON), 2010, 7 June 2010 (2010-06-07), pages 1 - 4
KIRAN NANJUNDA IYER ET AL.: "Multiview Video Coding Using Depth Based 3D Warping", IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO (ICME), 2010, 19 July 2010 (2010-07-19), pages 1108 - 1113
JACEK KONIECZNY ET AL.: "Depth-Based Inter-View Prediction of Motion Vectors for Improved Multiview Video Coding, 3DTV- Conference", THE TRUE VISION-CAPTURE, TRANSMISSION AND DISPLAY OF 3D VIDEO (3DTV- CON), 2010, 7 June 2010 (2010-06-07), pages 1 - 4
KIRAN NANJUNDA IYER ET AL.: "Multiview Video Coding Using Depth Based 3D Warping", IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO (ICME), 2010, 19 July 2010 (2010-07-19), pages 1108 - 1113
Attorney, Agent or Firm:
FUNAYAMA Takeshi et al. (JP)
Takeshi Funayama (JP)
Takeshi Funayama (JP)
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Claims:
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