JP2023521655A - 運動データ処理方法及び運動監視システム - Google Patents
運動データ処理方法及び運動監視システム Download PDFInfo
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Abstract
Description
110 処理装置
120 ネットワーク
130 ウェアラブルデバイス
140 移動端末装置
130-1 上着デバイス
130-2 ズボンデバイス
130-3 リストバンドデバイス
130-4 靴
140-1 モバイルデバイス
140-2 タブレットコンピュータ
140-3 ノートパソコン
210 取得モジュール
220 処理モジュール
230 制御モジュール
240 通信モジュール
250 給電モジュール
260 入力/出力モジュール
300 コンピューティングデバイス
310 内部通信バス
320 プロセッサ
330 リードオンリーメモリ
340 ランダムアクセスメモリ
350 通信ポート
360 入力/出力インタフェース
370 ハードディスク
380 ユーザインタフェース
400 ウェアラブルデバイス
410 上着
4110 上着ベース
4120 上着処理モジュール
4130 上着フィードバックモジュール
4140 上着取得モジュール
Claims (15)
- ユーザの運動時に対応する測定位置の筋電信号をリアルタイムに取得するステップと、
前記筋電信号に基づいて、前記筋電信号のうちの異常信号を判定するステップと、
前記異常信号を補正するステップとを含む、ことを特徴とする運動データ処理方法。 - 前記筋電信号に基づいて、前記筋電信号のうちの異常信号を判定するステップは、
時間領域で前記筋電信号を処理し、前記異常信号を判定するステップ、又は、
周波数領域で前記筋電信号を処理し、前記異常信号を判定するステップを含む、ことを特徴とする請求項1に記載の運動データ処理方法。 - 前記時間領域で前記筋電信号を処理し、前記異常信号を判定するステップは、
前記筋電信号の時間領域窓に基づいて、前記筋電信号の時間領域窓から、異なる時間範囲をそれぞれカバーする少なくとも1つの時間窓を選択するステップと、
前記少なくとも1つの時間窓内の筋電信号に対応する特徴情報に基づいて、前記異常信号を判定するステップとを含む、ことを特徴とする請求項2に記載の運動データ処理方法。 - 前記特徴情報は、振幅情報及び振幅情報の統計情報のうちの少なくとも1種を含み、前記振幅情報の統計情報は、振幅情報のエントロピー、分散、標準偏差、標準偏差の標準偏差及びゼロ交差率のうちの少なくとも1種を含む、ことを特徴とする請求項3に記載の運動データ処理方法。
- 前記異常信号は、特異信号を含み、前記少なくとも1つの時間窓は、複数の時間窓を含み、前記少なくとも1つの時間窓内の筋電信号に対応する特徴情報に基づいて、前記異常信号を判定するステップは、
前記複数の時間窓内の筋電信号に対応する複数の特徴情報を判定するステップと、
前記時間範囲が後にある時間窓に対応する特徴情報と、前記時間範囲が先にある時間窓に対応する特徴情報との比率が所定の第1の閾値を超えると判定すると、前記時間範囲が後にある時間窓内の筋電信号が前記特異信号であると判定するステップとを含む、ことを特徴とする請求項3に記載の運動データ処理方法。 - 前記異常信号は、欠落信号を含み、前記少なくとも1つの時間窓内の筋電信号に対応する特徴情報に基づいて、前記異常信号を判定するステップは、
前記少なくとも1つの時間窓内の筋電信号に対応する少なくとも1つの特徴情報を判定するステップと、
前記少なくとも1つの特徴情報における予め記憶された第2の閾値より低い特徴情報に対応する時間窓内の筋電信号が前記欠落信号であると判定するステップとを含む、ことを特徴とする請求項3に記載の運動データ処理方法。 - 前記異常信号は、飽和信号を含み、前記少なくとも1つの時間窓内の筋電信号に対応する特徴情報に基づいて、前記異常信号を判定するステップは、
前記少なくとも1つの時間窓内の筋電信号に対応する少なくとも1つの特徴情報を判定するステップと、
前記少なくとも1つの特徴情報における予め記憶された飽和特徴情報より高い特徴情報に対応する時間窓内の筋電信号が前記飽和信号であると判定するステップとを含む、ことを特徴とする請求項3に記載の運動データ処理方法。 - 前記筋電信号は、平均値除去アルゴリズム及びハイパスフィルタアルゴリズムのうちの少なくとも1種を含む直流成分除去アルゴリズムに基づいて得られた信号を含む、ことを特徴とする請求項2に記載の運動データ処理方法。
- 前記異常信号は、前記ハイパスフィルタアルゴリズムによる発振信号をさらに含み、時間領域で前記筋電信号を処理し、前記異常信号を判定するステップは、
前記ハイパスフィルタアルゴリズムのフィルタパラメータに基づいて、前記発振信号の基準発振高さ及び基準持続時間を計算するステップと、
前記筋電信号を前記基準発振高さ及び前記基準持続時間とリアルタイムにマッチングし、前記筋電信号のうちの、前記基準発振高さ及び前記基準持続時間とマッチングする信号区間に対応する筋電信号を前記発振信号として判定するステップとを含む、ことを特徴とする請求項8に記載の運動データ処理方法。 - 周波数領域で前記筋電信号を処理し、前記異常信号を判定するステップは、
周波数領域変換アルゴリズムに基づいて、前記周波数領域での前記筋電信号の周波数領域信号をリアルタイムに取得するステップと、
前記周波数領域信号のスペクトル特徴をリアルタイムに判定するステップと、
前記スペクトル特徴が所定の条件を満たさない周波数領域信号に対応する筋電信号を前記異常信号として判定するステップとを含む、ことを特徴とする請求項2に記載の運動データ処理方法。 - 前記スペクトル特徴は、スペクトル形状、パワースペクトル密度、平均パワー周波数、中央周波数及びウェーブレットスケールのうちの少なくとも1種を含む、ことを特徴とする、請求項10に記載の運動データ処理方法。
- 前記異常信号を補正するステップは、
前記異常信号の前の前記筋電信号に対してデータサンプリングをリアルタイムに行い、サンプリングデータを取得するステップと、
前記筋電信号の時間領域窓に対応する前記サンプリングデータに基づいて、前記異常信号の発生時刻に対応する予測データを判定するステップと、
前記予測データに基づいて、前記異常信号の発生時刻に対応する補正データを判定するステップと、
前記補正データを使用して前記異常信号を補正するステップとを含む、ことを特徴とする請求項1に記載の運動データ処理方法。 - 前記筋電信号の時間領域窓に対応する前記サンプリングデータに基づいて、前記異常信号の発生時刻に対応する予測データを判定するステップは、
前記時間領域窓に対応する前記サンプリングデータに基づいて、フィッティング関数を決定し、かつ前記フィッティング関数に基づいて、前記異常信号の発生時刻に対応する前記予測データを計算するステップと、
前記時間領域窓に対応する前記サンプリングデータ、及びトレーニングされたLSTMネットワークに基づいて、前記異常信号の発生時刻に対応する前記予測データを計算するステップとのうちの少なくとも1つを含む、ことを特徴とする請求項12に記載の運動データ処理方法。 - 前記予測データに基づいて、前記異常信号の発生時刻に対応する補正データを判定するステップは、
前記予測データが、前記時間領域窓内の前記筋電信号の最大値及び最小値からなるデータ範囲を含む所定の範囲内にあると判定すると、前記予測データを前記補正データとするステップ、又は、
前記予測データが前記所定の範囲内にないと判定すると、前記異常信号に隣接する少なくとも1フレームの筋電信号に対応するサンプリングデータを前記補正データとするステップを含む、ことを特徴とする請求項12に記載の運動データ処理方法。 - 運動データ処理のための少なくとも1つの命令セットが記憶されている少なくとも1つの記憶媒体と、
前記少なくとも1つの記憶媒体と通信可能に接続される少なくとも1つのプロセッサと、を含み、
動作時に、前記少なくとも1つのプロセッサは、前記少なくとも1つの命令セットを読み取り、請求項1~14のいずれか一項に記載の運動データ処理方法を実行する、ことを特徴とする運動監視システム。
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