Title:
IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/234171
Kind Code:
A1
Abstract:
An image processing device (1) comprises an input image creating unit (10), a first computing unit (20), and a second computing unit (30), and reduces noise in a target image (52) to create a noise-reduced image. The first computing unit (20) includes a first CNN processing unit (21) and a first CNN learning unit (22), and performs supervised pre-learning processing. A first input image (40) is an image in which pixel values in some regions have been changed on the basis of a teacher image (42). The second calculating unit (30) includes a second CNN processing unit (31) and a second CNN learning unit (32), and performs unsupervised learning processing. As a result, an image processing device is achieved that can easily reduce noise in a target image, by subjecting a CNN to supervised pre-learning followed by unsupervised learning.
Inventors:
ONISHI YUYA (JP)
HASHIMOTO FUMIO (JP)
HASHIMOTO FUMIO (JP)
Application Number:
PCT/JP2023/019509
Publication Date:
December 07, 2023
Filing Date:
May 25, 2023
Export Citation:
Assignee:
HAMAMATSU PHOTONICS KK (JP)
International Classes:
G01T1/164; A61B6/03; G01T1/161; G06T1/40; G06T5/00; G06T7/00
Domestic Patent References:
| WO2019218000A1 | 2019-11-21 |
Foreign References:
| JP2021071936A | 2021-05-06 | |||
| JP2020205030A | 2020-12-24 | |||
| JP2019211900A | 2019-12-12 | |||
| JP2021117866A | 2021-08-10 | |||
| JP2020128882A | 2020-08-27 | |||
| JP2020036877A | 2020-03-12 | |||
| JP2023059177A | 2023-04-26 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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