JP2020185374A - 医療画像で病変の視覚化を補助する方法およびこれを利用した装置 - Google Patents
医療画像で病変の視覚化を補助する方法およびこれを利用した装置 Download PDFInfo
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Abstract
Description
220:プロセッサ
Claims (6)
- 医療画像で病変の視覚化を補助する方法であって、
前記医療画像で病変領域を示す病変マスクを修正するために、前記医療画像から一地点を選択するユーザ入力を受信する段階、
受信した前記ユーザ入力に応じて修正された病変マスクを生成する段階、および
前記医療画像と前記修正された病変マスクをともに提供する段階
を含み、
前記修正された病変マスクを生成する段階は、
前記ユーザ入力によって決定される選択領域に対応する3次元パッチに関する情報に基づいて互いに異なる複数の候補病変マスクを生成するように予め学習されたニューラルネットワークにより、互いに異なる複数の候補病変マスクを生成する段階、
前記複数の候補病変マスクがそれぞれ適用された候補医療画像を提供する段階、および
前記候補医療画像のうちからユーザ入力によって選択された候補医療画像に対応する病変マスクを、前記修正された病変マスクとして決定する段階
を含み、
前記互いに異なる複数の候補病変マスクを生成する段階は、
前記一地点を基準として互いに異なる形態で決定される、複数の選択領域それぞれを前記病変マスクから取り除くか、前記複数の選択領域それぞれを前記病変マスクに追加することによって生成する、
病変視覚化補助方法。 - 前記生成する段階において、
前記ユーザ入力が前記病変マスクの内部地点を選択する第1ユーザ入力に対応する場合、前記内部地点に対応する所定の領域を取り除くことによって前記修正された病変マスクが生成され、
前記ユーザ入力が前記病変マスクの外部地点を選択する第2ユーザ入力に対応する場合、前記外部地点に対応する所定の領域を追加することによって前記修正された病変マスクが生成される、
請求項1に記載の病変視覚化補助方法。 - 前記生成する段階において、
予め学習されたニューラルネットワークで前記ユーザ入力に応じて前記医療画像に対して出力される複数の病変マスクのうち、予め設定された条件に基づいて選択されたいずれか1つの病変マスクを前記修正された病変マスクとして決定する、
請求項1に記載の病変視覚化補助方法。 - 請求項1項に記載の方法をコンピュータ装置によって実行するように実現される命令語(instructions)を含む、機械読み取り可能な非一時的な記録媒体に記録された、コンピュータプログラム。
- 医療画像で病変の視覚化を補助するコンピュータ装置であって、
病変領域を示す病変マスクが結合された医療画像において、前記病変マスクを修正するための前記医療画像から一地点を選択するユーザ入力を感知する通信部、および
受信した前記ユーザ入力に対応する修正された病変マスクを生成するプロセッサ
を含み、
前記プロセッサは、
前記通信部と連動する出力装置により、前記修正された病変マスクが結合された医療画像が提供されるように支援し、
前記プロセッサは、
前記ユーザ入力によって決定される選択領域に対応する3次元パッチに関する情報に基づき、互いに異なる複数の候補病変マスクを生成するように予め学習されたニューラルネットワークにより、互いに異なる複数の候補病変マスクを生成し、
前記複数の候補病変マスクがそれぞれ適用された候補医療画像を外部エンティティに提供し、
前記候補医療画像のうちからユーザ入力によって選択された候補医療画像に対応する病変マスクを前記修正された病変マスクとして決定し、
前記複数の候補病変マスクは、
前記一地点を基準として互いに異なる形態によって決定される複数の選択領域それぞれが前記病変マスクから取り除かれるか、前記複数の選択領域それぞれが前記病変マスクに追加されることによって生成される、
コンピュータ装置。 - 前記病変マスクの内部地点を選択する第1ユーザ入力が感知された場合、前記プロセッサは、前記内部地点に対応する所定の領域を取り除くことによって前記修正された病変マスクを生成し、
前記病変マスクの外部地点を選択する第2ユーザ入力が感知された場合、前記プロセッサは、前記外部地点に対応する所定の領域を追加することによって前記修正された病変マスクを生成する、
請求項5に記載のコンピュータ装置。
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US20210398650A1 (en) * | 2020-06-23 | 2021-12-23 | Virtual Radiologic Corporation | Medical imaging characteristic detection, workflows, and ai model management |
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