JP2021530020A - 無線信号に基づくジェスチャ認識 - Google Patents
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Abstract
Description
本出願は、2018年6月18日に出願された「動的ビームフォーミング情報に基づく動き検出(Motion Detection Based on Beamforming Dynamic Information)」という名称の米国仮特許出願第62/686,446号に対する優先権を主張する、2019年5月29日に出願された「無線信号に基づくジェスチャ認識(Recognizing Gestures Based on Wireless Signals)」という名称の米国特許出願第16/425,310号に対する優先権を主張するものである。これらの優先出願は、引用により本明細書に組み入れられる。
402 チャネル応答
404 重み付け係数を適用
406 ジェスチャ周波数帯域通過フィルタ
408 フィルタ出力
410 重み付け係数を調整
412 重み付け係数
414 ジェスチャ周波数検出
416 ジェスチャデータ
Claims (24)
- 1又は2以上の無線通信装置によって空間を通じて送信された無線信号に基づくチャネル情報を取得するステップと、
ジェスチャ認識エンジンの動作によって前記チャネル情報を分析して前記空間内のジェスチャを検出するステップと、
前記検出されたジェスチャに応答して開始すべきアクションを識別するステップと、
前記アクションを実行するための命令を、前記空間に関連するネットワーク接続装置に送信するステップと、
を含むことを特徴とする方法。 - 前記ジェスチャの位置を検出するステップと、
前記ジェスチャの前記位置に基づいて、前記開始すべきアクションを決定するステップと、
を含む、請求項1に記載の方法。 - 前記ジェスチャを検出するステップは、一連のジェスチャを検出するステップを含み、前記一連のジェスチャを検出するステップは、ジェスチャタイムアウト期間内に第1のジェスチャ及び第2のジェスチャが行われたと判定するステップを含む、
請求項1又は2に記載の方法。 - 前記一連のジェスチャを検出するステップは、
前記第1のジェスチャを検出したことに応答して、状態機械の状態を開始してジェスチャタイムアウトカウンタを始動するステップと、
前記ジェスチャタイムアウト期間内に前記第2のジェスチャを検出したことに応答して、前記状態機械の前記状態を進展させて前記ジェスチャタイムアウトカウンタを再始動するステップと、
前記ジェスチャタイムアウトカウンタを再始動した後に、前記ジェスチャタイムアウトカウンタに基づいてジェスチャタイムアウトを検出するステップと、
前記ジェスチャタイムアウト時の前記状態機械の前記状態に基づいて前記アクションを識別するステップと、
を含む、請求項3に記載の方法。 - 前記ジェスチャを検出するステップは、時間−周波数フィルタを使用して前記ジェスチャの時間−周波数特性を検出するステップを含む、
請求項1、2又は3のいずれか1項に記載の方法。 - 前記チャネル情報は、チャネル応答の時系列を含み、前記時間−周波数フィルタを使用するステップは、前記チャネル応答の周波数成分に重み付け係数を適用するステップを含む、
請求項5に記載の方法。 - 前記時間−周波数フィルタは、ジェスチャの時間−周波数特性を検出するように前記重み付け係数を調整する適応的時間−周波数フィルタを含む、
請求項6に記載の方法。 - 前記適応的時間−周波数フィルタは、人間のジェスチャに対応する周波数範囲内の周波数における前記チャネル応答の強度を変調するジェスチャを検出するように前記重み付け係数を調整する、
請求項7に記載の方法。 - 命令を含む非一時的コンピュータ可読媒体であって、前記命令は、データ処理装置によって実行された時に、
1又は2以上の無線通信装置によって空間を通じて送信された無線信号に基づくチャネル情報を取得するステップと、
ジェスチャ認識エンジンの動作によって前記チャネル情報を分析して前記空間内のジェスチャを検出するステップと、
前記検出されたジェスチャに応答して開始すべきアクションを識別するステップと、
前記アクションを実行するための命令を、前記空間に関連するネットワーク接続装置に送信するステップと、
を含む動作を実行する、
ことを特徴とするコンピュータ可読媒体。 - 前記動作は、
前記ジェスチャの位置を検出するステップと、
前記ジェスチャの前記位置に基づいて、前記開始すべきアクションを決定するステップと、
を含む、請求項9に記載のコンピュータ可読媒体。 - 前記ジェスチャを検出するステップは、一連のジェスチャを検出するステップを含み、前記一連のジェスチャを検出するステップは、ジェスチャタイムアウト期間内に第1のジェスチャ及び第2のジェスチャが行われたと判定するステップを含む、
請求項9又は10に記載のコンピュータ可読媒体。 - 前記一連のジェスチャを検出するステップは、
前記第1のジェスチャを検出したことに応答して、状態機械の状態を開始してジェスチャタイムアウトカウンタを始動するステップと、
前記ジェスチャタイムアウト期間内に前記第2のジェスチャを検出したことに応答して、前記状態機械の前記状態を進展させて前記ジェスチャタイムアウトカウンタを再始動するステップと、
前記ジェスチャタイムアウトカウンタを再始動した後に、前記ジェスチャタイムアウトカウンタに基づいてジェスチャタイムアウトを検出するステップと、
前記ジェスチャタイムアウト時の前記状態機械の前記状態に基づいて前記アクションを識別するステップと、
を含む、請求項11に記載のコンピュータ可読媒体。 - 前記ジェスチャを検出するステップは、時間−周波数フィルタを使用して前記ジェスチャの時間−周波数特性を検出するステップを含む、
請求項9、10又は11のいずれか1項に記載のコンピュータ可読媒体。 - 前記チャネル情報は、チャネル応答の時系列を含み、前記時間−周波数フィルタを使用するステップは、前記チャネル応答の周波数成分に重み付け係数を適用するステップを含む、
請求項13に記載のコンピュータ可読媒体。 - 前記時間−周波数フィルタは、ジェスチャの時間−周波数特性を検出するように前記重み付け係数を調整する適応的時間−周波数フィルタを含む、
請求項14に記載のコンピュータ可読媒体。 - 前記適応的時間−周波数フィルタは、人間のジェスチャに対応する周波数範囲内の周波数における前記チャネル応答の強度を変調するジェスチャを検出するように前記重み付け係数を調整する、
請求項15に記載のコンピュータ可読媒体。 - 空間を通じて無線信号を送信する無線通信装置と、
前記空間に関連するネットワーク接続装置と、
1又は2以上のプロセッサを含むコンピュータ装置と、
を備えたシステムであって、前記1又は2以上のプロセッサは、
前記無線通信装置のうちの1つ又は2つ以上によって前記空間を通じて送信された無線信号に基づくチャネル情報を取得するステップと、
ジェスチャ認識エンジンの動作によって前記チャネル情報を分析して前記空間内のジェスチャを検出するステップと、
前記検出されたジェスチャに応答して開始すべきアクションを識別するステップと、
前記アクションを実行するための命令を、前記空間に関連するネットワーク接続装置に送信するステップと、
を含む動作を実行する、ことを特徴とするシステム。 - 前記動作は、
前記ジェスチャの位置を検出するステップと、
前記ジェスチャの前記位置に基づいて、前記開始すべきアクションを決定するステップと、
請求項17に記載のシステム。 - 前記ジェスチャを検出するステップは、一連のジェスチャを検出するステップを含み、前記一連のジェスチャを検出するステップは、ジェスチャタイムアウト期間内に第1のジェスチャ及び第2のジェスチャが行われたと判定するステップを含む、
請求項17又は18に記載のシステム。 - 前記一連のジェスチャを検出するステップは、
前記第1のジェスチャを検出したことに応答して、状態機械の状態を開始してジェスチャタイムアウトカウンタを始動するステップと、
前記ジェスチャタイムアウト期間内に前記第2のジェスチャを検出したことに応答して、前記状態機械の前記状態を進展させて前記ジェスチャタイムアウトカウンタを再始動するステップと、
前記ジェスチャタイムアウトカウンタを再始動した後に、前記ジェスチャタイムアウトカウンタに基づいてジェスチャタイムアウトを検出するステップと、
前記ジェスチャタイムアウト時の前記状態機械の前記状態に基づいて前記アクションを識別するステップと、
を含む、請求項19に記載のシステム。 - 前記ジェスチャを検出するステップは、時間−周波数フィルタを使用して前記ジェスチャの時間−周波数特性を検出するステップを含む、
請求項17、18又は19のいずれか1項に記載のシステム。 - 前記チャネル情報は、チャネル応答の時系列を含み、前記時間−周波数フィルタを使用するステップは、前記チャネル応答の周波数成分に重み付け係数を適用するステップを含む、
請求項21に記載のシステム。 - 前記時間−周波数フィルタは、ジェスチャの時間−周波数特性を検出するように前記重み付け係数を調整する適応的時間−周波数フィルタを含む、
請求項22に記載のシステム。 - 前記適応的時間−周波数フィルタは、人間のジェスチャに対応する周波数範囲内の周波数における前記チャネル応答の強度を変調するジェスチャを検出するように前記重み付け係数を調整する、
請求項23に記載のシステム。
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US201862686446P | 2018-06-18 | 2018-06-18 | |
US62/686,446 | 2018-06-18 | ||
US16/425,310 US11579703B2 (en) | 2018-06-18 | 2019-05-29 | Recognizing gestures based on wireless signals |
US16/425,310 | 2019-05-29 | ||
PCT/CA2019/050843 WO2019241877A1 (en) | 2018-06-18 | 2019-06-14 | Recognizing gestures based on wireless signals |
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CN114077298B (zh) * | 2020-08-07 | 2023-10-10 | 北京大学 | 一种无接触手势识别方法、系统、计算机设备及存储介质 |
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CA3218891A1 (en) | 2021-05-28 | 2022-12-01 | Cognitive Systems Corp. | Analyzing wi-fi motion coverage in an environment |
JP7383267B2 (ja) * | 2021-08-19 | 2023-11-20 | 国立大学法人京都大学 | センシング装置、コンピュータに実行させるためのプログラムおよびプログラムを記録したコンピュータ読み取り可能な記録媒体 |
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