JP6870826B2 - 側方多視点から試料を定量化するように構成された方法及び装置 - Google Patents
側方多視点から試料を定量化するように構成された方法及び装置 Download PDFInfo
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Description
本出願は、2016年1月28日に出願された「側方多視点から試料を定量化するように構成された方法及び装置」と題する米国仮特許出願第62/288、362号に対する優先権を主張し、その開示はその全体が参照により本明細書に援用される。
式1 VSP=HSP×Wi2Pi/4
式2 VSB=(HSB×Wi2Pi/4)−{1/2Wi2+(Pi/24)Wi3}
102 試料容器
104 ラック
105 ローディングエリア
106、108、110 分析装置
121 トラック
122 キャリア
122H ホルダ
124 ロボット
130、130A 品質チェックモジュール
143 コンピュータ
147 LISシステム
212 試料
212SB 沈降した血液部分
212SP 血清又は血漿部分
212T 管
214 キャップ
215 識別情報
218 ラベル
313 ゲルセパレータ
440A〜440C カメラ
444A〜444F 光源
Claims (18)
- 試料容器内に収容された試料を定量化する方法であって、
試料を提供し、
異なる公称波長を有する複数のスペクトル及び複数の異なる露光時間で前記試料の画像を取得し、
前記複数のスペクトルのそれぞれにおける前記複数の異なる露光時間の前記画像から、最適に露光された画素を選択し、前記複数のスペクトルのそれぞれについて最適に露光された画像データを生成し、
血清又は血漿部分と、沈降した血液部分と、ゲルセパレータを使用する場合はゲルセパレータと、空気と、管と、ラベル、又はキャップのうちの1つ以上を含む1つ以上のクラスの種類に前記試料を分類し、
前記空気と前記血清又は血漿部分の間の気液界面(LA)の位置と、
前記血清又は血漿部分と前記沈降した血液部分の間の血清と血液の界面(SB)の位置と、
前記ゲルセパレータを使用する場合には、前記血清又は血漿部分と前記ゲルセパレータとの間の血清とゲルの界面(SG)の位置と、
前記ゲルセパレータを使用する場合には、前記沈降した血液部分と前記ゲルセパレータとの間の血液とゲルの界面(BG)の位置と、
血清又は血漿部分の体積又は深さの少なくとも1つと、
前記沈降した血液部分の体積又は深さの少なくとも1つと、
のうちの1つ以上をモンテカルロシミュレーション法を用いて判定することにより前記試料を定量化する
ことを有する方法。 - 前記複数のスペクトルと前記複数の露光時間における前記試料の画像を取得することは、各視点に設けたカメラで複数の異なる視点から行う請求項1に記載の方法。
- 前記複数の異なる視点は3つ以上である請求項2に記載の方法。
- 前記試料は、前記沈降した血液部分と、前記血清又は血漿部分とを含む遠心分離された試料である請求項1〜3のいずれか1つに記載の方法。
- マルチクラス分類器に基づき前記試料を分類する請求項1〜4のいずれか1つに記載の方法。
- 前記マルチクラス分類器は、複数のトレーニングセットから生成される請求項5に記載の方法。
- 前記マルチクラス分類器は、さらにサポートベクトルマシンを有する請求項5又は6に記載の方法。
- 前記血清又は血漿部分と、
前記沈降した血液部分と、
前記空気と前記血清又は血漿部分との間の気液界面と、
ゲルセパレータが存在する場合には血清とゲルとの界面又は血清と沈降した血液との界面と、
を識別する請求項1〜7のいずれか1つに記載の方法。 - 前記空気と前記血清又は血漿部分との間の気液界面の位置を識別する請求項1〜8のいずれか1つに記載の方法。
- 血清と沈降した血液との界面の位置を識別する請求項1〜9のいずれか1つに記載の方法。
- 血清とゲルとの界面の位置を識別する請求項1〜10のいずれか1つに記載の方法。
- 前記血清又は血漿部分の体積を計算する請求項1〜11のいずれか1つに記載の方法。
- 前記沈降した血液部分の体積を計算する請求項1〜12のいずれか1つに記載の方法。
- 前記試料容器の物理的寸法特徴を判定する請求項1〜13のいずれか1つに記載の方法。
- 高ダイナミックレンジ(HDR)画像に基づいて、前記モンテカルロシミュレーション法によって到達した、前記LA、前記SB、前記SG又は前記BGの判定を検証する、請求項1〜14のいずれか1つに記載の方法。
- 試料を定量化するように構成された品質チェックモジュールであって、
異なる公称波長を有する複数のスペクトル及び複数の露光時間で、かつ異なる視点から、前記試料の画像を取得するように構成された複数のカメラと、
コンピュータであって、
前記複数のスペクトルのそれぞれにおける前記複数の異なる露光時間の前記画像から、最適に露光された画素を選択し、複数のスペクトルのそれぞれに対して最適に露光された画像データを生成し、
血清又は血漿部分と、沈降した血液部分と、ゲルセパレータを使用する場合はゲルセパレータと、空気と、管と、ラベル、又はキャップのうちの1つ以上を含む1つ以上のクラスの種類に前記試料を分類し、
前記空気と前記血清又は血漿部分との間の気液界面(LA)の位置と、
前記血清又は血漿部分と前記沈降した血液部分との間の血清と血液の界面(SB)の位置と、
前記ゲルセパレータを使用する場合には、前記血清又は血漿部分と前記ゲルセパレータとの間の血清とゲルの界面(SG)の位置と、
前記ゲルセパレータを使用する場合には、前記沈降した血液部分と前記ゲルセパレータの間の血液とゲルの界面(BG)の位置と、
前記血清又は血漿部分の体積又は深さの少なくとも1つと、
前記沈降した血液部分の体積又は深さの少なくとも1つと、
のうちの1つ以上をモンテカルロシミュレーション法を用いて判定することにより前記試料を定量化する
ように構成され操作可能なコンピュータと、
を有する品質チェックモジュール。 - 試料を処理する試料検査装置であって、
トラックと、
前記トラック上の品質チェックモジュールであって、
異なる公称波長を有する複数のスペクトル及び複数の異なる露光時間で、かつ異なる視点から、前記試料の画像を取得するように構成された複数のカメラと、
コンピュータであって、
前記複数のスペクトルのそれぞれにおける前記複数の異なる露光時間の前記画像から、最適に露光された画素を選択し、前記複数のスペクトルのそれぞれに対して最適に露光された画像データを生成し、
血清又は血漿部分と、沈降した血液部分と、ゲルセパレータを使用する場合はゲルセパレータと、空気と、管と、ラベル、又はキャップのうちの1つ以上を含む1つ以上のクラスの種類に前記試料を分類し、
前記空気と前記血清又は血漿部分との間の気液界面(LA)の位置と、
前記血清又は血漿部分と前記沈降した血液部分との間の血清と血液の界面(SB)の位置と、
前記ゲルセパレータを使用する場合は、前記血清又は血漿部分と前記ゲルセパレータとの間の、血清とゲルの界面(SG)の位置と、
前記ゲルセパレータを使用する場合は、前記沈降した血液部分と前記ゲルセパレータとの間の血液とゲルの界面(BG)の位置と、
前記血清又は血漿部分の体積又は深さの少なくとも1つと、
前記沈降した血液部分の体積又は深さの少なくとも1つと、
のうちの1つ以上をモンテカルロシミュレーション法を用いて判定することにより前記試料を定量化する
ように構成され操作可能なコンピュータと、
を有する品質チェックモジュールと、
を有する試料検査装置。 - 前記試料容器内に収容された前記試料を定量化する方法であって、
前記試料容器に収容された前記試料を画像化位置に提供し、
前記試料の画像を取得し、
少なくとも血清又は血漿部分と沈降した血液部分とを含む前記試料の領域を判定し、
多変量レベルモデルからの前記LA、前記SB、前記SG又は前記BGのレベル推定仮説を抽出し、
画像空間へレベル推定仮説をマッピングし、
前記領域内の信頼性を統合し、
それぞれの前記領域内の信頼性を最大化し、
信頼性を最大化するレベル推定仮説を選択する
ことを有する、請求項1〜15のいずれか1つに記載の方法。
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