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Weakly supervised semantic segmentation of tomographic images in the diagnosis of stroke Full article

Conference International Conference «Marchuk Scientific Readings
04-08 Oct 2021 , Новосибирск
Journal Journal of Physics: Conference Series
ISSN: 1742-6588 , E-ISSN: 1742-6596
Output data Year: 2021, Volume: 2099, Number: 1, Article number : 012021, Pages count : DOI: 10.1088/1742-6596/2099/1/012021
Authors Dobshik A.V. 1 , Tulupov A.A. 1,2 , Berikov V.B. 1,3
Affiliations
1 Novosibirsk State University, Pirogova str. 1, Novosibirsk, 630090, Russian Federation
2 International Tomography Center Sb Ras, Institutskaya str. 3a, Novosibirsk, 630090, Russian Federation
3 Sobolev Institute of Mathematics Sb Ras, Ac. Koptuga ave. 4, Novosibirsk, 630090, Russian Federation

Funding (1)

1 Russian Foundation for Basic Research 19-29-01175

Abstract: This paper presents an automatic algorithm for the segmentation of areas affected by an acute stroke in the non-contrast computed tomography brain images. The proposed algorithm is designed for learning in a weakly supervised scenario when some images are labeled accurately, and some images are labeled inaccurately. Wrong labels appear as a result of inaccuracy made by a radiologist in the process of manual annotation of computed tomography images. We propose methods for solving the segmentation problem in the case of inaccurately labeled training data. We use the U-Net neural network architecture with several modifications. Experiments on real computed tomography scans show that the proposed methods increase the segmentation accuracy. © 2021 Institute of Physics Publishing. All rights reserved.
Cite: Dobshik A.V. , Tulupov A.A. , Berikov V.B.
Weakly supervised semantic segmentation of tomographic images in the diagnosis of stroke
Journal of Physics: Conference Series. 2021. V.2099. N1. 012021 . DOI: 10.1088/1742-6596/2099/1/012021 Scopus OpenAlex
Identifiers:
Scopus: 2-s2.0-85123727143
OpenAlex: W3197468198
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