JP7018856B2 - 医用画像処理装置、方法およびプログラム - Google Patents
医用画像処理装置、方法およびプログラム Download PDFInfo
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Description
判別処理部は、医用画像から医用画像の特徴量マップを生成する第1判別部と、
特徴量マップの対称軸を基準として特徴量マップを反転して反転特徴量マップを生成する第2判別部と、
特徴量マップおよび反転特徴量マップを重ね合わせ、重ね合わせた特徴量マップおよび反転特徴量マップを用いて、医用画像における疾病領域を判別する第3判別部とを有する。
医用画像から医用画像の特徴量マップを生成し、
特徴量マップの対称軸を基準として特徴量マップを反転して反転特徴量マップを生成し、
特徴量マップおよび反転特徴量マップを重ね合わせ、重ね合わせた特徴量マップおよび反転特徴量マップを用いて、医用画像における疾病領域を判別する。
医用画像から医用画像の特徴量マップを生成する手順と、
特徴量マップの対称軸を基準として特徴量マップを反転して反転特徴量マップを生成する手順と、
特徴量マップおよび反転特徴量マップを重ね合わせ、重ね合わせた特徴量マップおよび反転特徴量マップを用いて、医用画像における疾病領域を判別する手順とをコンピュータに実行させる。
記憶された命令を実行するよう構成されたプロセッサとを備え、プロセッサは、
線対称な構造物を含む医用画像における疾病領域を判別する処理であって、
医用画像から医用画像の特徴量マップを生成し、
特徴量マップの対称軸を基準として特徴量マップを反転して反転特徴量マップを生成し、
特徴量マップおよび反転特徴量マップを重ね合わせ、重ね合わせた特徴量マップおよび反転特徴量マップを用いて、医用画像における疾病領域を判別する処理を実行する。
2 3次元画像撮影装置
3 画像保管サーバ
4 ネットワーク
11 CPU
12 メモリ
13 ストレージ
14 ディスプレイ
15 入力部
21 画像取得部
22 判別処理部
23 表示制御部
30 CNN
31 第1判別部
32 第2判別部
33 第3判別部
40R,40L 脳溝
A1 出血領域
A2,A3 特徴
B0 脳画像
F1 特徴量マップ
F2 反転特徴量マップ
F3 重ね合わせマップ
R1 判別結果
Claims (7)
- 線対称な構造物を含む医用画像における疾病領域を判別する判別処理部を備え、
前記判別処理部は、前記医用画像から該医用画像よりも低解像度の特徴量マップを生成する第1判別部と、
前記特徴量マップの対称軸を基準として該特徴量マップを反転して反転特徴量マップを生成する第2判別部と、
前記特徴量マップおよび前記反転特徴量マップを重ね合わせ、重ね合わせた前記特徴量マップおよび前記反転特徴量マップを用いて、前記医用画像における前記疾病領域を判別する第3判別部とを有する医用画像処理装置。 - 前記第1判別部、前記第2判別部および前記第3判別部は、それぞれが少なくとも1つの処理層を有するニューラルネットワークからなる請求項1に記載の医用画像処理装置。
- 前記医用画像は脳のCT画像であり、前記疾病領域は前記脳内の疾病領域である請求項1または2に記載の医用画像処理装置。
- 前記疾病領域は出血領域または梗塞領域である請求項3に記載の医用画像処理装置。
- 前記疾病領域が判別された前記医用画像を表示部に表示する表示制御部をさらに備えた請求項1から4のいずれか1項に記載の医用画像処理装置。
- 線対称な構造物を含む医用画像における疾病領域を判別処理部により判別する医用画像処理方法であって、
前記医用画像から該医用画像よりも低解像度の特徴量マップを生成し、
前記特徴量マップの対称軸を基準として該特徴量マップを反転して反転特徴量マップを生成し、
前記特徴量マップおよび前記反転特徴量マップを重ね合わせ、重ね合わせた前記特徴量マップおよび前記反転特徴量マップを用いて、前記医用画像における前記疾病領域を判別する医用画像処理方法。 - 線対称な構造物を含む医用画像における疾病領域を判別する処理をコンピュータに実行させる医用画像処理プログラムであって、
前記医用画像から該医用画像よりも低解像度の特徴量マップを生成する手順と、
前記特徴量マップの対称軸を基準として該特徴量マップを反転して反転特徴量マップを生成する手順と、
前記特徴量マップおよび前記反転特徴量マップを重ね合わせ、重ね合わせた前記特徴量マップおよび前記反転特徴量マップを用いて、前記医用画像における前記疾病領域を判別する手順とをコンピュータに実行させる医用画像処理プログラム。
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CN110111313B (zh) * | 2019-04-22 | 2022-12-30 | 腾讯科技(深圳)有限公司 | 基于深度学习的医学图像检测方法及相关设备 |
JP7234364B2 (ja) * | 2019-06-28 | 2023-03-07 | 富士フイルム株式会社 | 医用画像処理装置、方法およびプログラム |
CN111584066B (zh) * | 2020-04-13 | 2022-09-09 | 清华大学 | 基于卷积神经网络与对称信息的脑部医学影像诊断方法 |
JP7413147B2 (ja) * | 2020-05-21 | 2024-01-15 | キヤノン株式会社 | 画像処理装置、画像処理方法、及びプログラム |
JPWO2022059799A1 (ja) * | 2020-09-18 | 2022-03-24 | ||
CN113808735B (zh) * | 2021-09-08 | 2024-03-12 | 山西大学 | 一种基于脑影像的精神疾病评估方法 |
US11941825B2 (en) | 2021-10-28 | 2024-03-26 | Canon Medical Systems Corporation | Method and apparatus for registering image volumes |
KR102584545B1 (ko) * | 2023-03-06 | 2023-10-04 | 주식회사 젠젠에이아이 | 3차원 공간에서 일관성 있는 의료 볼륨 데이터 생성 모델 학습 방법 및 장치 |
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