JP2022093314A - 画像復元を応用する光学システム及び光学画像処理方法 - Google Patents
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Abstract
【解決手段】該光学システムは、光源と、ピンホールと、検出プラットホームと、画像検知器と、画像処理装置を含む。ピンホールは、該光源の光伝達経路に設けられ、検出プラットホームは、該光源の該光伝達経路に設けられ、かつ該ピンホールが該光源と該検出プラットホームとの間に位置し、該検出プラットホームは、検出サンプルを放置する。画像検知器は、検出プラットホームの下方に設けられ、かつ検出サンプルを検出して光学回折信号を出力する。画像処理装置は、画像検知器に電気接続され、検出サンプルの光学回折信号に対して信号処理及び光学信号識別を行って検出サンプルの高画質画像を取得する。
【選択図】図1
Description
11 光源
12 ピンホール
13 検出プラットホーム
14 画像検知器
15 画像処理装置
151 画像特徴抽出モジュール
152 残差ネットワークモジュール
153 画像再構成モジュール
154 直列連結モジュール
31 光学回折信号
32 高画質画像
33 画像
S401~S405 ステップ
Claims (10)
- 画像復元を応用する光学システムであって、
光源と、ピンホールと、検出プラットホームと、画像検知器と、画像処理装置とを含み、
前記ピンホールは前記光源の光伝達経路に設けられ、
前記検出プラットホームは前記光源の前記光伝達経路に設けられ、かつ前記ピンホールが前記光源と前記検出プラットホームとの間に位置し、前記検出プラットホームは検出サンプルを載置するために用いられ、
前記画像検知器は前記検出プラットホームの下方に設置され、前記検出サンプルを検知して光学回折信号を出力し、
前記画像処理装置は前記画像検知器に電気接続され、前記検出サンプルの前記光学回折信号に対して信号処理及び光学信号識別を行って前記検出サンプルの高画質画像を取得することを特徴とする光学システム。 - 前記光源は、発光ダイオードからなる点光源であり、かつ前記ピンホールは、マイクロメートルサイズの光学ピンホール又は光ファイバからなることを特徴とする請求項1に記載の光学システム。
- 前記検出サンプルは、生体組織切片又は血液塗抹標本であることを特徴とする請求項1に記載の光学システム。
- 前記画像処理装置は、
前記検出サンプルの前記光学回折信号の複数の初期特徴を抽出するための画像特徴抽出モジュールと、
前記画像特徴抽出モジュールに接続され、前記複数の初期特徴に基づいて、前記検出サンプルの前記光学回折信号の複数の画像特徴を抽出するための残差ネットワークモジュールと、
前記残差ネットワークモジュールに接続され、前記残差ネットワークモジュールが抽出する前記画像の前記画像特徴に基づいてアップサンプリングし、前記検出サンプルの前記光学回折信号の元の解像度を復元する画像再構成モジュールと、
前記画像再構成モジュールに接続され、前記検出サンプルの前記複数の画像特徴を融合して、前記高画質画像を取得する直列連結モジュールとを含むことを特徴とする請求項1に記載の光学システム。 - 前記画像特徴抽出モジュールは、前記光学回折信号に対してサブサンプリングを行い、かつ前記残差ネットワークが畳み込み層、活性化層及び結合層を備えることを特徴とする請求項4に記載の光学システム。
- 前記画像再構成モジュールは、前記光学回折信号をサブサンプリングし、前記光学回折信号の元の解像度を復元することを特徴とする請求項5に記載の光学システム。
- 画像復元を応用する光学画像処理方法であって、
検出サンプルの高画質画像と複数の光学回折信号を光学画像システムの画像処理装置に入力して画像再構成と予測識別を行うことと、
検出対象の検出サンプルを検出プラットホームに載置し、光源調光とピンホールを介して、画像検知器により前記検出サンプルを検知して前記光学回折信号を出力することと、
画像特徴抽出モジュールにより前記検出サンプルの複数の初期特徴を抽出し、かつ残差ネットワークモジュールにより、複数の初期特徴に基づいて、前記検出サンプルの前記光学回折信号の複数の画像特徴を抽出し、画像再構成モジュールにより、前記残差ネットワークモジュールが抽出する前記光学回折信号の複数の前記画像特徴に基づいてアップサンプリングし、前記検出サンプルの前記光学回折信号の元の解像度を復元することと、
直列連結モジュールにより、前記検出サンプルの複数の前記画像特徴を融合し、高画質画像を取得することとを含むことを特徴とする光学画像処理方法。 - 前記画像特徴抽出モジュールは、前記光学回折信号をサブサンプリングし、前記光学回折信号の3つのサブネットワークの前記初期特徴を取得することを特徴とする請求項7に記載の光学画像処理方法。
- 前記残差ネットワークモジュールは、畳み込み層、活性化層及び結合層を含み、それぞれ、まず前記光学回折信号に対して前記畳み込み層により特徴を検索し、前記活性化層が前記光学回折信号の出力を線形正規化変換して勾配消失の問題を克服し、最後、結合層に元の入力と非線形変換した前記光学回折信号を重畳することを特徴とする請求項7に記載の光学画像処理方法。
- 前記光学画像処理方法は、畳み込みニューラルネットワーク(Convolutional Neural Network)を応用して前記光学回折信号の画像処理を行うことを特徴とする請求項7に記載の光学画像処理方法。
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