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JP2008527541A5
JP2008527541A5 JP2007550455A JP2007550455A JP2008527541A5 JP 2008527541 A5 JP2008527541 A5 JP 2008527541A5 JP 2007550455 A JP2007550455 A JP 2007550455A JP 2007550455 A JP2007550455 A JP 2007550455A JP 2008527541 A5 JP2008527541 A5 JP 2008527541A5
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  1. 多次元固有空間における画像点の座標値を算定することであって、前記多次元固有空間内の前記画像点が一つの物体の画像を表し、前記多次元固有空間が一本以上の指の学習用画像セットに基づいて定義されている、多次元固有空間における画像点の座標値を算定することと、
    前記多次元固有空間内の幾何学モデルを表す式を呼び出すことであって、前記幾何学モデルが前記一本以上の指の前記学習用画像セットを表し、前記幾何学モデルを表す前記式が前記多次元固有空間内の円錐を表す式を含んでいる、前記多次元固有空間内の幾何学モデルを表す式を呼び出すことと、
    前記画像点と前記多次元固有空間内の前記幾何学モデルとの間の距離を算定するために、前記多次元固有空間内の前記画像点のために算定された前記座標値を前記多次元固有空間内の前記幾何学モデルを表す前記式に適用することと、
    前記画像点と前記多次元固有空間内の前記幾何学モデルとの間の前記算定された距離に基づいて、前記画像内の前記物体が指を含むか否かを判定することと、を含む方法。
  2. 前記物体の前記画像を受け取ることであって、前記画像が複数のデータ要素を有し、前記多次元固有空間が前記データ要素の数より少ない次元数を有している、前記物体の前記画像を受け取ることをさらに含み、
    前記多次元固有空間における前記画像点の座標値を算定することは、前記多次元固有空間に前記画像を投影して、前記多次元固有空間における前記画像点の前記座標値を生じさせることを含む請求項1に記載の方法。
  3. 前記多次元固有空間内の幾何学モデルを表す式を呼び出すことが、前記多次元固有空間における学習点のセットの幾何学モデルを表す式を呼び出すことを含み
    前記セットの前記各学習点は、前記学習用画像セットのうちの一つ以上の画像に対応している請求項2に記載の方法。
  4. 前記物体の前記画像は、受け取られる前に正規化される請求項2に記載の方法。
  5. 前記多次元固有空間内の幾何学モデルを表す式を呼び出すことは、前記多次元固有空間内の幾何学モデルを表し、かつ、前記多次元固有空間内の円錐を表す式と前記多次元固有空間内の線を表す式との両方を含む、式を呼び出すことを含む請求項1に記載の方法。
  6. 前記多次元固有空間内の前記画像点の算定された前記座標値を前記多次元固有空間内の前記幾何学モデルを表すに適用することは、
    前記多次元固有空間内の円錐を表す前記式と前記多次元固有空間内の線を表す前記式とから一方の式を選択することと、
    前記選択された式に、前記多次元固有空間内の前記画像点の算定された前記座標値を適用することと、
    を含む請求項に記載の方法。
  7. 複数のデータ点を有する一つの物体の画像を受け取ることと、
    多次元固有空間内の画像点の複数の座標値を生じさせるためにデータ点の数よりも少ない次元数を有する前記多次元固有空間に前記画像を投影することであって前記多次元固有空間内の前記画像点が前記物体の前記画像を表し、前記多次元固有空間が一本以上の指の学習用画像セットに基づいて定義されている、多次元固有空間に前記画像を投影することと、
    前記多次元固有空間内の幾何学モデルを表す式を呼び出すことであって、前記幾何学モデルが前記多次元固有空間内の学習点のセットのモデルであり、前記セットの各前記学習点が前記一本以上の指の前記学習用画像セットのうちの一つ以上の画像に対応し、前記幾何学モデルを表す前記式が前記多次元固有空間内の円錐を表す式を含んでいる、前記多次元固有空間内の幾何学モデルを表す式を呼び出すことと、
    前記画像点と前記多次元固有空間内の前記モデルとの間の距離を算定するために前記多次元固有空間内の前記学習用画像セットの前記幾何学モデルを表す前記式に前記画像点の前記座標値を適用することと、
    前記画像点と前記多次元固有空間内に前記幾何学モデルとの間の前記算定された距離に基づいて、前記画像内の前記物体が指を含むか否かを判定することと
    を含む方法。
  8. 前記画像点の前記座標値を前記多次元固有空間内の前記学習点のセットの前記幾何学モデルを表す前記式に適用することは、
    前記多次元固有空間内の円錐を表す前記式と、異なる幾何学形を表す異なる式とから一つの式を選択することと、
    選択された式に前記画像点の前記座標値を適用することと、
    を含む請求項7に記載の方法。
  9. カメラと、
    前記カメラに結合された処理装置であって、
    多次元固有空間における画像点の座標値を算定することであって、前記多次元固有空間内の前記画像点が一つの物体の画像を表し、前記多次元固有空間が一本以上の指の学習用画像セットに基づいて定義されている、多次元固有空間における画像点の座標値を算定することと、
    前記多次元固有空間内の幾何学モデルを表す式を呼び出すことであって、前記幾何学モデルが前記一本以上の指の前記学習用画像セットを表し、前記幾何学モデルを表す前記式が前記多次元固有空間内の円錐を表す式を含んでいる、前記多次元固有空間内の幾何学モデルを表す式を呼び出すことと、
    前記画像点と前記多次元固有空間内の前記幾何学前記モデルとの間の距離を算定するために、前記多次元固有空間内の前記画像点のために算定された前記座標値を、前記多次元固有空間内の前記幾何学モデルを表す前記式適用することと、
    前記画像点と前記多次元固有空間内に前記幾何学モデルとの間の前記算定された距離に基づいて、前記画像内の前記物体が指を含むか否かを判定することと
    を実行するように構成された処理装置と
    を備えるシステム。
  10. 前記カメラが赤外線カメラを備えている請求項9に記載のシステム。
  11. 前記カメラの前に配置された画面を更に備えている請求項9に記載のシステム。
  12. 前記多次元固有空間における画像点の座標値を算定することであって、前記多次元固有空間内の前記画像点が一つの物体の画像を表し、前記多次元固有空間が一本以上の指の学習用画像セットに基づいて定義されている、多次元固有空間における画像点の座標値を算定すること
    前記多次元固有空間内の幾何学モデルを表す式を呼び出すことであって、前記幾何学モデルが前記一本以上の指の前記学習用画像セットを表し、前記幾何学モデルを表す前記式が前記多次元固有空間内の円錐を表す式を含んでいる、前記多次元固有空間内の幾何学モデルを表す式を呼び出すこと
    前記画像点と前記多次元固有空間内の前記幾何学モデルとの間の距離を算定するために、前記多次元固有空間内の前記画像点につき算定された前記座標値を、前記多次元固有空間内の前記幾何学モデルを表す前記式適用すること、および
    前記画像点と前記多次元固有空間内に前記幾何学モデルとの間の前記算定された距離に基づいて前記画像内の前記物体が指を含むか否か判定すること
    ためのツールを提供することを含む方法。
  13. 前記一本以上の指の前記学習用画像のセットを受け取ることであって、前記セットの各前記画像が複数のデータ要素を有している、前記一本以上の指の前記学習用画像のセットを受け取ることと、
    前記学習用画像セットに基づいて、多次元固有空間が前記データ要素の数よりも少ない次元数を有するように前記多次元固有空間を定義することと、
    前記多次元固有空間内の対応する学習点の座標値を生じさせるために、前記多次元固有空間に前記学習用画像セットの各画像を投影することによって学習点のセットを生成することであって前記学習点のセットの各学習点が前記学習用画像セット内の少なくとも一つの画像に対応する学習点のセットを生成することと、
    前記多次元固有空間内に前記生成された学習用点のセットに基づいて、前記学習用画像セットの特性を示す、前記多次元固有空間内の前記幾何学モデルを表す前記式を決定することと
    をさらに含む請求項12に記載の方法。
  14. 前記多次元固有空間内の前記幾何学モデルを表し、前記多次元固有空間内の円錐を表す式を含む式を利用することが
    Figure 2008527541
    但し、a,b,c,d,e,fは定数を表す
    という形を取る式を利用することを含む請求項1に記載の方法。
  15. 前記処理装置が前記物体の前記画像のデータ点の数よりも少ない次元数を有する多次元固有空間における画像点の座標値を算定するように構成されている請求項9に記載のシステム。
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