JP2023528806A - 白血球および/または白血球サブタイプを非侵襲的毛細血管ビデオから検出するための方法 - Google Patents
白血球および/または白血球サブタイプを非侵襲的毛細血管ビデオから検出するための方法 Download PDFInfo
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Abstract
Description
本出願は、米国特許法第119条、第120条、第363条、第365条、および米国特許法施行規則(37 C.F.R.)第1.55条および第1.78条の下で、2021年5月27日に出願された米国特許出願第17/331,893号の利益および優先権を主張し、その出願および本出願はまた、米国特許法第119条、第120条、第363条、第365条、および米国特許法施行規則第1.55条および第1.78条の下で2020年5月28日に出願された米国仮特許出願第63/031,117号の利益および優先権を主張し、米国特許出願第17/331,893号および米国仮特許出願第63/031,117号のそれぞれは、本参照により本明細書に組み込まれている。
14 光学デバイス
16 フレーム
18 フレーム
20 フレーム
22 フレーム
24 フレーム
26 対象領域
28 毛細血管
40 爪郭
42 指
44 被験者
50 光源
52 光
54 鏡
60 反射した光
64 OAG
70 処理サブシステム
72 注釈付き情報
74 OAG参照テーブル
76 フレーム識別子
78 フレーム識別子
82 第2の複数の画像
84 画像またはフレーム
86 画像またはフレーム
88 画像またはフレーム
90 画像またはフレーム
92 画像またはフレーム
94 画像またはフレーム
96 高度光学デバイス
100 画像
108 ルックアップテーブル
110 フレーム識別子
120 注釈付き情報
122 時空的に注釈付けされた第2の複数の画像
124 マシン学習サブシステム
129 プロット
132 OAG信号
134 高度光信号
136 高度光信号
138 高度光信号
140 ピーク
142 ピーク
144 ピーク
146 ピーク
148 ピーク
150 ピーク
170 結果データ
172 グラウンドトゥルースデータ
174 結果データ
Claims (24)
- 非侵襲的毛細血管ビデオから白血球および/または白血球サブタイプを検出するための方法であって、
光学デバイスでキャプチャされた非侵襲的毛細血管ビデオから被験者の所定のエリアの1つまたは複数の毛細血管を含む対象領域の第1の複数の画像を取得するステップと、
前記第1の複数の画像を処理して前記毛細血管内に位置する1つまたは複数の光吸収ギャップを判定するステップと、
前記第1の複数の画像において検出された任意の光吸収ギャップの指示で前記第1の複数の画像に注釈を付けるステップと、
白血球および白血球サブタイプの細胞構造を解像することができる高度光学デバイスで同じ前記毛細血管の同じ前記対象領域の第2の複数の画像を取得するステップと、
前記第2の複数の画像において検出された任意の白血球および/または検出された任意の白血球のサブタイプの指示で前記第2の複数の画像に時空的に注釈を付けるステップと、
白血球の存在および/または前記1つまたは複数の光吸収ギャップに存在する任意の白血球のサブタイプを判定するように構成されたマシン学習サブシステムに前記第1の複数の画像および前記第1の複数の画像からの注釈付き情報および時空的に注釈付けされた前記第2の複数の画像からの注釈付き情報を入力するステップと
を含む、前記方法。 - 前記マシン学習サブシステムがさらに、前記第1の複数の画像において検出された任意の光吸収ギャップの白血球サブタイプを判定するように構成された、請求項1に記載の方法。
- 前記マシン学習サブシステムがさらに、完全な白血球差異測定結果および/または部分的白血球差異測定結果を判定するように構成された、請求項2に記載の方法。
- 前記第1の複数の画像を時空的に注釈付けされた前記第2の複数の画像に時間的に位置合わせするステップをさらに含む、請求項1に記載の方法。
- 前記時間的に位置合わせするステップが、前記光学デバイスおよび前記高度光学デバイスで同じ対物レンズを使用することによって前記対象領域および同じ前記対象領域を作成するステップを含む、請求項4に記載の方法。
- 前記時間的に位置合わせするステップが、前記光学デバイスおよび前記高度光学デバイスの焦点を前記毛細血管内の同じ位置に合わせることによって前記対象領域および同じ前記対象領域を作成するステップを含む、請求項4に記載の方法。
- フレーム識別子および前記第1の複数の画像において検出された任意の光吸収ギャップの指示を含む光吸収ギャップ参照データを生成するステップをさらに含む、請求項4に記載の方法。
- フレーム識別子および存在する任意の白血球の前記サブタイプの指示を含む時空的に注釈付けされたルックアップデータを生成するステップをさらに含む、請求項7に記載の方法。
- 前記第1の複数の画像を時空的に注釈付けされた前記第2の複数の画像に前記時間的に位置合わせするステップが、前記第1の複数の画像の前記フレーム識別子を視覚的に時空的に注釈付けされた前記第2の複数の画像の前記フレーム識別子に時間的に位置合わせするステップを含む、請求項8に記載の方法。
- 前記第1の複数の画像、前記光吸収ギャップ参照データ、および時空的に注釈付けされた前記ルックアップデータを前記マシン学習サブシステムに入力するステップをさらに含み、前記マシン学習サブシステムが、前記検出された任意の白血球および/または前記検出された任意の白血球のサブタイプの結果データを出力し、結果テーブルをグラウンドトゥルースデータと比較するように構成された、請求項9に記載の方法。
- 前記マシン学習サブシステムが、前記第1の複数の画像内の各光吸収ギャップの検出された前記任意の白血球および/または検出された任意の白血球のサブタイプの結果データを出力し、前記結果データをグラウンドトゥルースデータと比較するように構成された、請求項9に記載の方法。
- 前記第2の複数の画像に時空的に注釈を付ける前記ステップがさらに、前記白血球のサイズ、粒度、輝度、速度、伸長、および/または辺縁趨向および/または検出された白血球の位置から上流または下流に位置する赤血球の濃度の変化のうちの1つまたは複数を指示するステップを含む、請求項1に記載の方法。
- 前記白血球の前記サブタイプが、顆粒球、好中球、リンパ球、単球、好酸球または好塩基球を含む、請求項1に記載の方法。
- 前記光学デバイスが、高解像度カメラを含む、請求項1に記載の方法。
- 前記高度画像化デバイスが、スペクトルエンコード共焦点顕微鏡検査(SECM)デバイス、掃引共焦点平面励起(SCAPE)顕微鏡検査デバイス、散乱共焦点斜面画像化(SCOPI)デバイス、または傾斜背部照明顕微鏡検査(OBM)デバイスのうちの1つまたは含む、請求項1に記載の方法。
- 前記被験者の前記所定のエリアが、指、爪郭、足指、舌、歯茎、唇、網膜、および/または耳たぶのうちの1つまたは複数を含む、請求項1に記載の方法。
- 前記光学デバイスが、少なくとも1つの光吸収ギャップ信号を出力するように構成された、請求項1に記載の方法。
- 前記高度光学デバイスが、高度光信号を出力するように構成された、請求項1に記載の方法。
- 前記第2の複数の画像に時空的に注釈を付ける前記ステップが、人によって実行される、請求項1に記載の方法。
- 前記第2の複数の画像に時空的に注釈を付けるステップが、処理サブシステムによって実行される、請求項1に記載の方法。
- 前記第1の複数の画像および前記第1の複数の画像からの注釈付き情報および前記高度光学デバイスで取得された前記第2の複数の画像からの前記注釈付き情報を使用して白血球の前記存在および/または1つもしくは複数の光吸収ギャップに存在する白血球の前記サブタイプを学習および判定した前記マシン学習サブシステムからの情報を使用して前記白血球の存在および/または前記1つもしくは複数の光吸収ギャップに存在する任意の白血球の前記サブタイプを判定するステップをさらに含む、請求項1に記載の方法。
- 非侵襲的毛細血管ビデオから白血球および/または白血球サブタイプを検出するための方法であって、
光学デバイスでキャプチャされた非侵襲的毛細血管ビデオから被験者の所定のエリアの1つまたは複数の毛細血管を含む対象領域の第1の複数の画像を取得するステップと、
前記第1の複数の画像を処理して前記毛細血管内に位置する1つまたは複数の光吸収ギャップを判定するステップと、
前記第1の複数の画像において検出された任意の光吸収ギャップの指示で前記第1の複数の画像に注釈を付けるステップと、
前記第1の複数の画像および前記第1の複数の画像からの注釈付き情報、および前記高度光学デバイスで取得された第2の複数の画像からの注釈付き情報を使用して白血球の存在および/またはより多数の光吸収ギャップのうちの1つに存在する白血球の前記サブタイプを学習および判定したマシン学習サブシステムからの情報を使用して、白血球の前記存在および/または前記1つもしくは複数の光吸収ギャップに存在する任意の白血球の前記サブタイプを判定するステップと
を含む、前記方法。 - 非侵襲的毛細血管ビデオから赤血球の濃度を判定するための方法であって、
光学デバイスでキャプチャされた非侵襲的毛細血管ビデオから被験者の所定のエリアの1つまたは複数の毛細血管を含む対象領域の第1の複数の画像を取得するステップと、
前記第1の複数の画像を処理して前記毛細血管内に位置するヘモグロビン光吸収の1つまたは複数のエリアを判定するステップと、
前記複数の画像において検出されたヘモグロビン光吸収の任意のエリアの指示で前記第1の複数の画像に注釈を付けるステップと、
赤血球の細胞構造を解像することができる高度光学デバイスで同じ前記毛細血管の同じ前記対象領域の第2の複数の画像を取得するステップと、
前記第2の複数の画像において検出された任意の赤血球の濃度の指示で前記第2の複数の画像に時空的に注釈を付けるステップと、
前記1つまたは複数の光吸収ギャップに存在する前記任意の赤血球の濃度を判定するように構成されたマシン学習サブシステムに前記第1の複数の画像および前記第1の複数の画像からの注釈付き情報および時空的に注釈付けされた前記第2の複数の画像からの注釈付き情報を入力するステップと
を含む、前記方法。 - 赤血球数が、前記赤血球の濃度から判定される、請求項23に記載の方法。
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