Title:
IMAGE PROCESSING DEVICE, AND IMAGE PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/176189
Kind Code:
A1
Abstract:
A motion vector correction unit configured from a correction method determination unit 40 and an inter prediction unit 42 performs a scaling process on the motion vector of a current prediction block, e.g., a peripheral block, in a fisheye image captured using a fisheye lens, the scaling process being performed on the basis of fisheye information, e.g., a fisheye lens projection method, and the radius of the fisheye image. In the scaling process, the motion vector of the peripheral block is converted to a motion vector in an image free of fisheye distortion before being scaled, and the motion vector after scaling is converted to a motion vector in a fisheye image. Any difference between the motion vector of a current prediction block and a predicted motion vector is reduced by the scaling process, thereby making it possible to improve the efficiency of encoding a fisheye image.
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Inventors:
MATSUMOTO JUNICHI (JP)
Application Number:
PCT/JP2018/044524
Publication Date:
September 19, 2019
Filing Date:
December 04, 2018
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04N19/52; G06T3/00; G06T7/246; H04N5/232
Foreign References:
| JP2017536002A | 2017-11-30 | |||
| JP2011023885A | 2011-02-03 | |||
| JP2008193458A | 2008-08-21 | |||
| JP2017120980A | 2017-07-06 | |||
| JP2009290889A | 2009-12-10 |
Attorney, Agent or Firm:
MIYATA, Masaaki et al. (JP)
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