JP2013090847A - 個体判別装置および個体判別方法 - Google Patents
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Abstract
【解決手段】フレーム記憶部30は、ユーザの身体の少なくとも一部の領域が撮像された画像を記憶する。生命兆候信号検出部40は、フレーム記憶部30に記憶された所定フレーム数の撮像画像を用いて、ユーザの身体の複数の撮像領域から周期的に変動する生命兆候の信号列を検出する。相関計算部50は、身体の各撮像領域から検出された生命兆候の信号列の相関を求める。同一性判定部60は、身体の各撮像領域から検出された生命兆候の信号列の相関にもとづいて、身体の各撮像領域が同一ユーザに属するものであるか否かを判定する。
【選択図】図2
Description
"Heart rate measurement based on a time-lapse image", Medical Engineering and Physics, 2007
"Advancements in non-contact, multiparameter physiological measurements using a webcam", IEEE Trans Biomed Eng, 2010.
"Non-contact, automated cardiac pulse measurements using video imaging and blind source separation", Optics Express, 2010.
Claims (8)
- ユーザの身体の少なくとも一部の領域が撮像された画像を記憶する記憶部と、
前記記憶部に記憶された所定フレーム数の撮像画像を用いて、ユーザの身体の複数の撮像領域から周期的に変動する生命兆候の信号列を検出する生命兆候信号検出部と、
身体の各撮像領域から検出された生命兆候の信号列の相関を求める相関計算部と、
身体の各撮像領域から検出された生命兆候の信号列の相関にもとづいて、身体の各撮像領域が同一ユーザに属するものであるか否かを判定する同一性判定部とを含むことを特徴とする個体判別装置。 - 前記生命兆候信号検出部は、所定フレーム数の撮像画像において身体の撮像領域における皮膚の振動または光吸収特性の変化を検知することにより、周期的に変動する生命兆候の信号列を検出することを特徴とする請求項1に記載の個体判別装置。
- 前記生命兆候は心拍であり、
前記同一性判定部は、検出された心拍の信号列の相関にもとづいて、身体の各撮像領域が同一ユーザに属するものであるか否かを判定することを特徴とする請求項1または2に記載の個体判別装置。 - 同一ユーザに属すると判定された身体の複数の撮像領域に対して同一の強調表示を行う表示部をさらに含むことを特徴とする請求項1から3のいずれかに記載の個体判別装置。
- ユーザが身体に装着したセンサまたはユーザが操作するコントローラに装備されたセンサから周期的に変動する生命兆候の信号列の入力を受けるセンサ信号入力部をさらに含み、
前記相関計算部は、センサから得られた生命兆候の信号列と、身体の撮像領域から検出された生命兆候の信号列との相関を求め、
前記同一性判定部は、センサから得られた生命兆候の信号列と、身体の撮像領域から検出された生命兆候の信号列との相関にもとづいて、当該身体の撮像領域がセンサを装着したユーザまたはコントローラを操作するユーザに属するものであるか否かを判定することを特徴とする請求項1から4のいずれかに記載の個体判別装置。 - 前記生命兆候信号検出部は、第1の撮像部により撮像された第1の身体の撮像領域と、第2の撮像部により撮像された第2の身体の撮像領域からそれぞれ周期的に変動する生命兆候の信号列を検出し、
前記相関計算部は、第1の身体の撮像領域と第2の身体の撮像領域から検出されたそれぞれの生命兆候の信号列の相関を求め、
前記同一性判定部は、第1の身体の撮像領域と第2の身体の撮像領域から検出されたそれぞれの生命兆候の信号列の相関にもとづいて、第1の身体の撮像領域と第2の身体の撮像領域が同一ユーザに属するものであるか否かを判定することを特徴とする請求項1から4のいずれかに記載の個体判別装置。 - ユーザの身体の少なくとも一部の領域が撮像された画像を記憶するメモリから所定フレーム数の撮像画像を用いて参照して、ユーザの身体の複数の撮像領域から周期的に変動する生命兆候の信号列を検出する生命兆候信号検出ステップと、
身体の各撮像領域から検出された生命兆候の信号列の相関を求める相関計算ステップと、
身体の各撮像領域から検出された生命兆候の信号列の相関にもとづいて、身体の各撮像領域が同一ユーザに属するものであるか否かを判定する同一性判定ステップとを含むことを特徴とする個体判別方法。 - ユーザの身体の少なくとも一部の領域が撮像された画像を記憶するメモリから所定フレーム数の撮像画像を用いて参照して、ユーザの身体の複数の撮像領域から周期的に変動する生命兆候の信号列を検出する生命兆候信号検出ステップと、
身体の各撮像領域から検出された生命兆候の信号列の相関を求める相関計算ステップと、
身体の各撮像領域から検出された生命兆候の信号列の相関にもとづいて、身体の各撮像領域が同一ユーザに属するものであるか否かを判定する同一性判定ステップとをコンピュータに実行させることを特徴とするプログラム。
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EP12843864.5A EP2772828B1 (en) | 2011-10-26 | 2012-07-02 | Individual body discrimination device and individual body discrimination method |
CN201280051393.8A CN104054038B (zh) | 2011-10-26 | 2012-07-02 | 个体鉴别装置和个体鉴别方法 |
US14/351,274 US9717987B2 (en) | 2011-10-26 | 2012-07-02 | Individual discrimination device and individual discrimination method |
PCT/JP2012/004267 WO2013061492A1 (ja) | 2011-10-26 | 2012-07-02 | 個体判別装置および個体判別方法 |
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WO2015086855A1 (en) * | 2013-12-14 | 2015-06-18 | Viacam Sarl | Camera-based tracking system for the determination of physical, physiological and/or biometric data and/or for risk assessment |
JP2016514976A (ja) * | 2013-02-28 | 2016-05-26 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | バイタルサインに基づき被験者を検出する装置及び方法 |
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CN104054038B (zh) | 2018-03-23 |
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