JP7317306B2 - Ct画像基盤の部位別の大脳皮質収縮率の予測方法及び装置 - Google Patents
Ct画像基盤の部位別の大脳皮質収縮率の予測方法及び装置 Download PDFInfo
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Description
Claims (11)
- 入力条件としてCT画像を有し、出力条件としてセグメンテーション情報を有する複数の学習データを通じて、ディープラーニングネットワークに前記CT画像と前記セグメンテーション情報との相関関係を学習させるディープラーニング段階と、
CT画像のそれぞれに対応するセマンティック特徴情報をセグメンテーション情報のそれぞれに基づいて抽出する特徴抽出段階と、
セマンティック特徴情報のそれぞれに対応する多数の部位別の大脳皮質収縮率を追加獲得した後、マシンラーニングモデルにセマンティック特徴情報と部位別の大脳皮質収縮率との相関関係を学習させるマシンラーニング段階と、
分析対象画像が入力されれば、前記ディープラーニングネットワークを通じて分析対象画像に対応するセグメンテーション情報を獲得するセグメンテーション段階と、
セグメンテーション情報に基づいて分析対象画像に対応するセマンティック特徴情報を抽出した後、前記マシンラーニングモデルを通じてセマンティック特徴情報に対応する部位別の大脳皮質収縮率を予測及び通報する予測段階と、
を含む、CT画像基盤の部位別の大脳皮質収縮率の予測方法。 - 前記ディープラーニングネットワークは、ユーネットモデルとして具現されることを特徴とする、請求項1に記載のCT画像基盤の部位別の大脳皮質収縮率の予測方法。
- 前記セグメンテーション情報は、MRI画像基盤として抽出され、白質領域情報、灰白質領域情報、及び脳室領域情報を含むことを特徴とする、請求項1に記載のCT画像基盤の部位別の大脳皮質収縮率の予測方法。
- 前記セマンティック特徴情報は、白質の3次元体積比、灰白質の3次元体積比、白質と灰白質との3次元体積比の総和、脳室の3次元体積、白質の2次元面積比、灰白質の2次元面積比、白質と灰白質との2次元面積比の総和、脳室の2次元面積を含むことを特徴とする、請求項1に記載のCT画像基盤の部位別の大脳皮質収縮率の予測方法。
- 前記マシンラーニングモデルは、正規化されたロジスティック回帰モデル、線形判別分析モデル、ガウスナイーブベイズモデルのうち少なくとも1つを用いて間接多数決投票モデルとして具現されることを特徴とする、請求項1に記載のCT画像基盤の部位別の大脳皮質収縮率の予測方法。
- 多数患者のCT画像または分析対象画像が入力されれば、剛体変換を通じて画像整合した後、頭蓋骨画像を除去する画像前処理動作を行う段階をさらに含むことを特徴とする、請求項1に記載のCT画像基盤の部位別の大脳皮質収縮率の予測方法。
- 多数患者のCT画像または分析対象画像が入力されれば、剛体変換を通じて画像整合した後、頭蓋骨画像を除去するCT画像前処理部と、
CT画像のそれぞれに対応するセグメンテーション情報のそれぞれを追加獲得した後、ディープラーニングネットワークにCT画像とセグメンテーション情報との相関関係を学習させるディープラーニング部と、
分析対象画像に対応するセグメンテーション情報を、前記ディープラーニングネットワークを通じて獲得及び出力するセグメンテーション部と、
CT画像または分析対象画像に対応するセマンティック特徴情報をセグメンテーション情報のそれぞれに基づいて抽出する特徴抽出部と、
CT画像のセマンティック特徴情報のそれぞれに対応する多数の部位別の大脳皮質収縮率を追加獲得した後、マシンラーニングモデルにセマンティック特徴情報と部位別の大脳皮質収縮率との相関関係を学習させるマシンラーニング部と、
前記マシンラーニングモデルを通じて分析対象画像のセマンティック特徴情報に対応する部位別の大脳皮質収縮率を予測及び通報する予測部と、
を含む、CT画像基盤の部位別の大脳皮質収縮率の予測装置。 - 前記ディープラーニングネットワークは、ユーネットモデルとして具現されることを特徴とする、請求項7に記載のCT画像基盤の部位別の大脳皮質収縮率の予測装置。
- 前記セグメンテーション情報は、白質領域情報、灰白質領域情報、及び脳室領域情報を含むことを特徴とする、請求項7に記載のCT画像基盤の部位別の大脳皮質収縮率の予測装置。
- 前記セマンティック特徴情報は、白質の3次元体積比、灰白質の3次元体積比、白質と灰白質との3次元体積比の総和、脳室の3次元体積、白質の2次元面積比、灰白質の2次元面積比、白質と灰白質との2次元面積比の総和、脳室の2次元面積を含むことを特徴とする、請求項7に記載のCT画像基盤の部位別の大脳皮質収縮率の予測装置。
- 前記マシンラーニングモデルは、正規化されたロジスティック回帰モデル、線形判別分析モデル、ガウスナイーブベイズモデルのうち少なくとも1つを用いて間接多数決投票モデルとして具現されることを特徴とする、請求項7に記載のCT画像基盤の部位別の大脳皮質収縮率の予測装置。
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020190109863A KR102276545B1 (ko) | 2019-09-05 | 2019-09-05 | Ct 영상 기반 부위별 대뇌 피질 수축율 예측 방법 및 장치 |
| KR10-2019-0109863 | 2019-09-05 | ||
| PCT/KR2020/011790 WO2021045507A2 (ko) | 2019-09-05 | 2020-09-02 | Ct 영상 기반 부위별 대뇌 피질 수축율 예측 방법 및 장치 |
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| WO2020163539A1 (en) * | 2019-02-05 | 2020-08-13 | University Of Virginia Patent Foundation | System and method for fully automatic lv segmentation of myocardial first-pass perfusion images |
| US11640552B2 (en) * | 2019-10-01 | 2023-05-02 | International Business Machines Corporation | Two stage training to obtain a best deep learning model with efficient use of computing resources |
| KR102608203B1 (ko) * | 2022-02-09 | 2023-11-30 | 사회복지법인 삼성생명공익재단 | 2차원 mri를 이용한 치매 예측 방법 및 분석장치 |
| WO2023153839A1 (ko) * | 2022-02-09 | 2023-08-17 | 사회복지법인 삼성생명공익재단 | 2차원 mri를 이용한 치매 정보 산출 방법 및 분석장치 |
| JP7834513B2 (ja) * | 2022-03-09 | 2026-03-24 | キヤノン株式会社 | 情報処理装置および学習方法 |
| CN115908451B (zh) * | 2022-11-04 | 2025-12-23 | 北京航空航天大学 | 一种结合多视图几何及迁移学习的心脏ct影像分割方法 |
| KR102800156B1 (ko) * | 2022-12-13 | 2025-04-23 | 사회복지법인 삼성생명공익재단 | Tau-PET에서 치매 예측을 위한 관심 영역 추출 방법, CT와 Tau-PET을 이용한 치매 단계 예측 방법 및 분석장치 |
| CN116894812A (zh) * | 2023-06-14 | 2023-10-17 | 齐鲁理工学院 | 基于序列学习的个体化疾病预测方法、装置、介质、设备 |
| KR102712064B1 (ko) * | 2023-06-27 | 2024-09-27 | 사회복지법인 삼성생명공익재단 | 뇌 ct에서 예측한 부피를 이용한 치매 관련 정보 산출 방법 및 분석장치 |
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| KR101936302B1 (ko) | 2018-06-29 | 2019-01-08 | 이채영 | 딥러닝 네트워크에 기반한 퇴행성 신경질환 진단 방법 및 진단 장치 |
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| WO2007114238A1 (ja) | 2006-03-30 | 2007-10-11 | National University Corporation Shizuoka University | 脳萎縮判定装置、脳萎縮判定方法及び脳萎縮判定プログラム |
| WO2012032940A1 (ja) | 2010-09-07 | 2012-03-15 | 株式会社 日立メディコ | 認知症診断支援装置及び認知症診断支援方法 |
| WO2019044089A1 (ja) | 2017-08-29 | 2019-03-07 | 富士フイルム株式会社 | 医用情報表示装置、方法及びプログラム |
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| KR102276545B1 (ko) | 2021-07-15 |
| JP2022547909A (ja) | 2022-11-16 |
| EP4026498B1 (en) | 2024-05-01 |
| US12266110B2 (en) | 2025-04-01 |
| KR20210029318A (ko) | 2021-03-16 |
| US20220335611A1 (en) | 2022-10-20 |
| WO2021045507A2 (ko) | 2021-03-11 |
| EP4026498A4 (en) | 2023-03-29 |
| EP4026498A2 (en) | 2022-07-13 |
| WO2021045507A3 (ko) | 2021-04-29 |
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