JP2019141578A - 脈管叢構造の弾性マッピングを用いた画像処理方法および画像処理装置 - Google Patents
脈管叢構造の弾性マッピングを用いた画像処理方法および画像処理装置 Download PDFInfo
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Abstract
Description
2 顕微鏡
4 メモリアセンブリ
6 術前三次元画像データ
8 カメラアセンブリ
10 視野
12 生体軟組織
14 術中画像データ
14a 蛍光発光術中画像データ
14b 可視光術中画像データ
16 入力フレーム
18 入力フレームの時系列
20 画素
22 蛍光体
24 フィルタアセンブリ
26 鏡面反射を阻止するためのフィルタ装置
28 蛍光発光に対するバンドパスフィルタ装置
32 照射アセンブリ
34 照射光
40 画像プロセッサアセンブリ
42 データコネクション
44 入力インタフェース
46 パターンマッチングモジュール
48 脈管叢構造
50 弾性マッチングモジュール
52 画像形成モジュール
54 出力画像データ
55 出力インタフェース
56 ディスプレイアセンブリ
58 ポジションセンサ
60 ポジショニングデータ
62 光学レンズシステム
64 血流方向
66 ロケーション
Claims (14)
- 特に手術中にリアルタイムに、生体軟組織(12)の出力画像データ(54)を表示するための画像処理方法であって、前記画像処理方法は、
生体軟組織(12)の術前三次元画像データ(6)を準備するステップと、
可視光スペクトルと近赤外スペクトルとのうちの少なくとも一方において、前記生体軟組織(12)の術中画像データ(14)を取得するステップと、
少なくとも1つの脈管叢構造(48)を前記術中画像データ(14)において自動的に識別するステップと、
少なくとも1つの識別された前記脈管叢構造(48)を前記術前三次元画像データ(6)において識別するステップと、
少なくとも1つの識別された前記脈管叢構造(48)に基づき、前記術前三次元画像データ(6)を前記術中画像データ(14)に弾性マッチングさせるステップと、
弾性マッチングされた前記術前三次元画像データ(6)と前記術中画像データ(14)とから出力画像データ(54)を形成するステップと、
を有する画像処理方法。 - 識別される前記脈管叢構造(48)を、蛍光体(22)からの蛍光発光を用いて取得された術中画像データ(14)において識別する、
請求項1記載の画像処理方法。 - 前記術中画像データ(14)において識別された前記脈管叢構造(48)は、前記可視光スペクトルの光を用いて記録されていたものである、
請求項1または2記載の画像処理方法。 - 前記出力画像データ(54)を表示する、
請求項1から3までのいずれか1項記載の画像処理方法。 - 前記術中画像データ(14)を取得するために、鏡面反射を低減する少なくとも1つの光学フィルタ装置(26)を用いる、
請求項1から4までのいずれか1項記載の画像処理方法。 - 識別された前記脈管叢構造(48)における少なくとも1つのロケーション(66)において、血流方向(64)を計算する、
請求項1から5までのいずれか1項記載の画像処理方法。 - ポジショニングデータ(60)を取得し、
前記ポジショニングデータ(60)は、前記術中画像データ(14)を取得するために用いられる光学レンズシステム(62)の焦点距離、前記光学レンズシステム(62)の焦点深度、前記光学レンズシステム(62)の間隔設定、前記術中画像データ(14)の取得時点における前記光学レンズシステム(62)の視野(10)の大きさ、寸法および配向、のうちの少なくとも1つを表し、
前記ポジショニングデータ(60)を、前記術前三次元画像データ(6)における前記脈管叢構造(48)の識別、前記術中画像データ(14)への前記術前三次元画像データ(6)の弾性マッチング、および前記出力画像データ(54)の表示、のうちの少なくとも1つにおいて用いる、
請求項1から6までのいずれか1項記載の画像処理方法。 - 特に手術中に、生体軟組織(12)の出力画像データ(54)を生成するための医用観察装置(1)、例えば顕微鏡(2)または内視鏡であって、前記医用観察装置は、
生体軟組織(12)の術前三次元画像データ(6)を有するメモリアセンブリ(4)と、
可視光スペクトルと近赤外スペクトルとのうちの少なくとも一方において、前記生体軟組織(12)の術中画像データ(14)を取得するためのカメラアセンブリ(8)と、
画像プロセッサアセンブリ(40)と、
出力画像データ(54)を出力するための出力インタフェースと、
を有しており、
前記画像プロセッサアセンブリ(40)は、
少なくとも1つの脈管叢構造(48)を前記術中画像データ(14)において識別するための、および少なくとも1つの識別された前記脈管叢構造(48)を前記術前三次元画像データ(6)において識別するための、パターンマッチングモジュール(46)と、
少なくとも1つの識別された前記脈管叢構造(48)に基づき、前記術前三次元画像データ(6)を前記術中画像データ(14)に弾性マッチングさせるためのマッチングモジュール(50)と、
弾性マッチングされた前記術前三次元画像データ(6)の少なくとも一部を前記術中画像データ(14)と組み合わせて前記出力画像データ(54)を形成するための画像形成モジュール(52)と、
を有する医用観察装置(1)。 - 前記医用観察装置(1)は、さらに、前記出力画像データ(54)を表示するためのディスプレイアセンブリ(56)を有する、
請求項8記載の医用観察装置(1)。 - 前記カメラアセンブリ(8)は、鏡面反射を低減するための少なくとも1つのフィルタ装置(26)を有しており、前記フィルタ装置(26)は、少なくとも1つの交差偏光子ペアを有する、
請求項8または9記載の医用観察装置(1)。 - 前記カメラアセンブリ(8)は、少なくとも1つの蛍光体(22)の蛍光スペクトルにマッチされた通過帯域をもつ少なくとも1つのフィルタ装置(28)を有する、
請求項8から10までのいずれか1項記載の医用観察装置(1)。 - 前記カメラアセンブリ(8)は、光学レンズシステム(62)と、ポジショニングデータ(60)を取得するための少なくとも1つのポジションセンサ(58)と、を有しており、
前記ポジショニングデータ(60)は、前記光学レンズシステム(62)の焦点距離、焦点深度および間隔設定、視野(10)の大きさ、寸法および配向、のうちの少なくとも1つを表す、
請求項8から11までのいずれか1項記載の医用観察装置(1)。 - 前記画像プロセッサアセンブリ(40)は、識別された前記脈管叢構造(48)において血流方向(64)を計算するように構成されており、その際に前記画像形成モジュール(52)は、前記出力画像データ(54)における識別された前記脈管叢構造(48)を、前記血流方向(64)を表す時変的なマーカデータと組み合わせるように適合されている、
請求項8から12までのいずれか1項記載の医用観察装置(1)。 - 請求項1から7までのいずれか1項記載の画像処理方法をコンピュータに実行させるプログラムを記憶している、非一時的コンピュータ可読媒体。
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