JP5456832B2 - 入力された発話の関連性を判定するための装置および方法 - Google Patents
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Description
Claims (19)
- 音声認識にもとづいてコンピュータシステムを制御する方法であって、
a)ある時間間隔における発話中のユーザの顔の存在を特定するステップと、
b)前記時間間隔の間のユーザの顔に関連づけられた1以上の顔の向きの特徴を取得するステップと、
c)ユーザがカメラの方を向いているかどうかにもとづいて前記コンピュータシステムに対する発話入力を選択することにより、カメラの方を向いていないユーザから受け取った発話を無視するステップとを含み、
前記1以上の顔の向きの特徴を取得するステップは、ユーザが着用するデバイスの複数の光源を三角測量することにより、ユーザの頭部チルト角を決定するステップを含むことを特徴とする方法。 - ステップc)は、前記頭部チルト角が許容範囲内である場合、ユーザの発話は関連性があると特徴づけ、前記頭部チルト角が前記許容範囲外である場合、ユーザの発話は関連性がないと特徴づけるが、ステップb)における1以上の顔の向きの特徴として、さらに注視方向が利用できるならば、前記頭部チルト角が許容範囲外であっても、前記注視方向が最大逸脱角度内にある場合、ユーザの発話は関連性があると特徴づけ、前記頭部チルト角が前記許容範囲内であっても、前記注視方向が前記最大逸脱角度外にある場合、ユーザの発話は関連性がないと特徴づける請求項1の方法。
- ステップb)における1以上の顔の向きの特徴を取得するステップは、カメラを用いてユーザの顔の向きの特徴を追跡するステップを含む請求項1の方法。
- ステップb)における1以上の顔の向きの特徴を取得するステップは、赤外光を用いてユーザの顔の向きの特徴を追跡するステップをさらに含む請求項3の方法。
- ステップb)における1以上の顔の向きの特徴を取得するステップは、マイクロホンを用いてユーザの顔の向きの特徴を追跡するステップを含む請求項1の方法。
- ステップb)における1以上の顔の向きの特徴は、頭部チルト角を含む請求項1の方法。
- ステップb)における1以上の顔の向きの特徴は、注視方向を含む請求項1の方法。
- ステップc)は、1以上の顔の向きの特徴が許容範囲から外れる場合、ユーザの発話を無関係なものとして特徴づける請求項1の方法。
- ステップc)は、1以上の顔の向きの特徴の許容範囲からの逸脱にもとづいてユーザの発話の関連性を重み付けするステップを含む請求項1の方法。
- 発話中のユーザの顔に関連づけられた1以上の顔の向きの特徴を取得する前にユーザの顔のプロファイルを登録するステップをさらに含む請求項1の方法。
- 発話源の方向を判定するステップをさらに含み、ステップc)は、発話の関連性を特徴づける際に発話源の方向を取り入れるステップを含む請求項1の方法。
- ステップc)は、イメージキャプチャデバイスによってキャプチャされた画像内の複数の発話源を区別するステップを含む請求項1の方法。
- 音声認識にもとづいてコンピュータシステムを制御するための装置であって、
プロセッサと、
メモリと、
前記メモリに具体化され、前記プロセッサにより実行可能なコンピュータのコード化されたインストラクションとを含み、前記コンピュータのコード化されたインストラクションは、ユーザの発話の関連性を判定する方法を実装するように構成され、当該方法は、
a)ある時間間隔における発話中のユーザの顔の存在を特定するステップと、
b)前記時間間隔の間のユーザの顔に関連づけられた1以上の顔の向きの特徴を取得するステップと、
c)ユーザがカメラの方を向いているかどうかにもとづいて前記コンピュータシステムに対する発話入力を選択することにより、カメラの方を向いていないユーザから受け取った発話を無視するステップとを含み、
前記1以上の顔の向きの特徴を取得するステップは、ユーザが着用するデバイスの複数の光源を三角測量することにより、ユーザの頭部チルト角を決定するステップを含むことを特徴とする装置。 - ステップc)は、前記頭部チルト角が許容範囲内である場合、ユーザの発話は関連性があると特徴づけ、前記頭部チルト角が前記許容範囲外である場合、ユーザの発話は関連性がないと特徴づけるが、ステップb)における1以上の顔の向きの特徴として、さらに注視方向が利用できるならば、前記頭部チルト角が許容範囲外であっても、前記注視方向が最大逸脱角度内にある場合、ユーザの発話は関連性があると特徴づけ、前記頭部チルト角が前記許容範囲内であっても、前記注視方向が前記最大逸脱角度外にある場合、ユーザの発話は関連性がないと特徴づける請求項13の装置。
- ステップb)において1以上の向きを取得するように構成されたカメラをさらに含む請求項13の装置。
- ステップb)において1以上の向きを取得するように構成された1以上の赤外光をさらに含む請求項13の装置。
- ステップb)において1以上の向きを取得するように構成されたマイクロホンをさらに含む請求項13の装置。
- 音声認識にもとづいてコンピュータシステムを制御するための媒体に具体化されたコンピュータ読み取り可能なプログラムコードを含むコンピュータプログラムが格納された一過性でないコンピュータ読み取り可能な記録媒体であって、前記コンピュータプログラムは、
a)ある時間間隔における発話中のユーザの顔の存在を特定するためのコンピュータ読み取り可能なプログラムコードと、
b)前記時間間隔の間のユーザの顔に関連づけられた1以上の顔の向きの特徴を取得するためのコンピュータ読み取り可能なプログラムコードと、
c)ユーザがカメラの方を向いているかどうかにもとづいて前記コンピュータシステムに対する発話入力を選択することにより、カメラの方を向いていないユーザから受け取った発話を無視するためのコンピュータ読み取り可能なプログラムコードとを含み、
前記1以上の顔の向きの特徴を取得するためのコンピュータ読み取り可能なプログラムコードは、ユーザが着用するデバイスの複数の光源を三角測量することにより、ユーザの頭部チルト角を決定するためのコンピュータ読み取り可能なプログラムコードを含むことを特徴とする記録媒体。 - プログラムコードc)は、前記頭部チルト角が許容範囲内である場合、ユーザの発話は関連性があると特徴づけ、前記頭部チルト角が前記許容範囲外である場合、ユーザの発話は関連性がないと特徴づけるが、プログラムコードb)における1以上の顔の向きの特徴として、さらに注視方向が利用できるならば、前記頭部チルト角が許容範囲外であっても、前記注視方向が最大逸脱角度内にある場合、ユーザの発話は関連性があると特徴づけ、前記頭部チルト角が前記許容範囲内であっても、前記注視方向が前記最大逸脱角度外にある場合、ユーザの発話は関連性がないと特徴づける請求項18の記録媒体。
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US13/083,356 US20120259638A1 (en) | 2011-04-08 | 2011-04-08 | Apparatus and method for determining relevance of input speech |
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CN102799262A (zh) | 2012-11-28 |
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