IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD

WIPO Patent Application WO/2023/218844

A1

An image processing device according to one embodiment of the present invention performs first hierarchical matching processing for obtaining first parallax in image region units of a first size by identifying an image block which has a high degree of similarity to a first image block contained in one image among two images from a first search range based on a prescribed first search width in the other of the two images, and second hierarchical matching processing for obtaining second parallax in image region units of a second size by identifying the same from a second search range based on the first parallax and a prescribed second search width in the other image, and performs a search by broadening the first search width or the second search range when an image block which has a high degree of similarity to the first image block is present at an end within the first search range during the first hierarchical matching processing.

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UCHIDA YUSUKE (JP)
INATA KEISUKE (JP)
TAKADA MASASHI (JP)
NONAKA SHINICHI (JP)

PCT/JP2023/014886

November 16, 2023

April 12, 2023

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HITACHI ASTEMO LTD (JP)

G06T7/593

JP2017045283A	2017-03-02
JP2020140497A	2020-09-03
JP2020140344A	2020-09-03

SHIN-YU INTERNATIONAL PATENT FIRM (JP)

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