2019 Fiscal Year Final Research Report
Artificial intelligence pathological diagnosis by hyperspectral nonlinear Raman scattering imaging
Project/Area Number |
17H02793
|
Research Category |
Grant-in-Aid for Scientific Research (B)
|
Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Optical engineering, Photon science
|
Research Institution | Hokkaido University |
Principal Investigator |
|
Co-Investigator(Kenkyū-buntansha) |
高松 哲郎 京都府立医科大学, 医学(系)研究科(研究院), 教授 (40154900)
加藤 祐次 北海道大学, 情報科学研究院, 助教 (50261582)
三宅 淳 大阪大学, 国際医工情報センター, 特任教授 (70344174)
新岡 宏彦 大阪大学, データビリティフロンティア機構, 特任准教授(常勤) (70552074)
|
Project Period (FY) |
2017-04-01 – 2020-03-31
|
Keywords | 深層学習 / 非線形ラマン散乱 / ハイパースペクトルイメージング |
Outline of Final Research Achievements |
By reducing the noise of observation data and improvement of observation time using deep learning, we succeeded in the imaging rate improvement of 1.6–1.2 image/min. to 12.5-4.0 image/min. In tissue classification by machine learning of nonlinear Raman scattering images, pre-training with fluorescence images significantly improved the segmentation ability. Besides, we have developed a new microscope for acquiring a large number of hyperspectral nonlinear Raman scattering images and succeeded in increasing the speed 14 times and reducing the excitation light peak irradiance 1/12 compared to the conventional method. It was shown that hyperspectral images of cultured cells were classified by deep learning, and that unsupervised learning could classify cells with different culture conditions.
|
Free Research Field |
生体光計測
|
Academic Significance and Societal Importance of the Research Achievements |
近年の病理医不足の解消には,一人の病理医が処理できる病理診断数の向上が課題であり,病理検査の効率化,自動化を行なうと共に,自動的に病理診断およびそのスクリーニングを行なうシステムの開発が重要である.従来にない新しいイメージング手法と人工知能の組み合わせにより,イメージング速度の向上や分別能力の向上が示された.医師の負担削減によりより多くの人々の健康な生活のサポートが可能となる.
|