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Patent Searching and Data


Title:
IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/212016
Kind Code:
A1
Abstract:
This image processing device is provided with an acquisition unit (3), a construction unit (4), and an extraction unit (5). The acquisition unit (3) acquires: a pseudo-output that simulates, as an actual output, a perspective image in which respective luminances derived from a plurality of objects including a target object and a non-target object other than the target object are superimposed; and a pseudo-state quantity that simulates, as an actual state quantity, a superimposed pattern in which the luminance derived from the target object and the luminance derived from the non-target object are superimposed on each other. The construction unit (4) constructs, on the basis of the pseudo-output and the pseudo-state quantity acquired by the acquisition unit (3), a stochastic state space model in which an observable output is stochastically generated from an unobservable state quantity that transitions stochastically. The extraction unit (5) estimates a stochastically probable maximum likelihood estimator of the actual state quantity on the basis of the stochastic state space model constructed by the construction unit (4) and the perspective image, and extracts, from this maximum likelihood estimator, the luminance derived from the target object as a target object.

Inventors:
HOMMA, Noriyasu (2-1-1 Katahira, Aoba-ku, Sendai-sh, Miyagi 77, 〒9808577, JP)
ICHIJI, Kei (2-1-1 Katahira, Aoba-ku, Sendai-sh, Miyagi 77, 〒9808577, JP)
SHINDO, Masahiro (2-1-1 Katahira, Aoba-ku, Sendai-sh, Miyagi 77, 〒9808577, JP)
SUGITA, Norihiro (2-1-1 Katahira, Aoba-ku, Sendai-sh, Miyagi 77, 〒9808577, JP)
YOSHIZAWA, Makoto (2-1-1 Katahira, Aoba-ku, Sendai-sh, Miyagi 77, 〒9808577, JP)
TAKAI, Yoshihiro (7-115 Yatsuyamada, Koriyama-sh, Fukushima 52, 〒9638052, JP)
Application Number:
JP2019/017226
Publication Date:
November 07, 2019
Filing Date:
April 23, 2019
Export Citation:
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Assignee:
TOHOKU UNIVERSITY (2-1-1, Katahira Aoba-ku, Sendai-sh, Miyagi 77, 〒9808577, JP)
International Classes:
A61B6/03; A61B6/00; G06T7/00; G06T7/143
Attorney, Agent or Firm:
SANADA, Tamotsu (NMF Kichijoji-honcho Bldg. 5th Floor, 10-31 Kichijoji-honcho 1-chome, Musashino-sh, Tokyo 04, 〒1800004, JP)
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