JP2021501878A - バッファを用いた動き検出信号の時間整合 - Google Patents
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- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
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Abstract
Description
本出願は、2017年11月3日に出願された「バッファを用いた動き検出信号の時間整合(Time−Alignment of Motion Detection Signals Using Buffers)」という名称の米国特許出願第15/803189号に対する優先権を主張するものであり、この文献の内容は引用により本明細書に組み入れられる。
402:干渉バッファ(N個の信号)
404:動き検出バッファ(N+M−1個の信号)
406:干渉フィルタ
408:動き検出プロセッサ(M個のサンプル)
410:信号品質フィルタ
412:動き検出信号
Claims (21)
- 動き検出法であって、
空間を通じて無線で送信された後に無線通信装置によって受信された第1の無線信号の組に基づく第1の入力信号の組を第1の期間にわたって干渉バッファにロードするステップと、
前記第1の入力信号の組を使用して無線干渉計レベルを決定するステップと、
1又は2以上のプロセッサの動作により、前記決定された無線干渉レベルが閾値レベル未満であるとの判定に応答して、前記干渉バッファに第2の入力信号の組がロードされる第2の後続期間内に動き検出プロセスを実行するステップと、
を含み、前記動き検出プロセスは、前記第1の入力信号の組のサブセットを使用して前記空間内の物体の動きを検出し、前記第2の入力信号の組は、前記空間を通じて無線で送信された後に前記無線通信装置によって受信された第2の無線信号の組に基づく、
ことを特徴とする方法。 - 前記動き検出プロセスは、前記空間内の物体の動きを検出するために前記第1の入力信号の組の複数のサブセットを使用して繰り返し実行される、
請求項1に記載の方法。 - 前記無線干渉レベルは、第1の無線干渉レベルを含み、前記方法は、
前記第2の入力信号の組を使用して第2の無線干渉レベルを決定するステップと、
前記第2の無線干渉レベルが前記閾値を上回るとの判定に応答して、前記第2の入力信号の組に対する前記動き検出プロセスの実行を妨げるステップと、
を含む、請求項1に記載の方法。 - 前記第1の入力信号の組をロードするステップは、前記干渉バッファを満たすステップを含み、前記方法は、
前記第1の無線干渉レベルが前記閾値未満であるとの判定に応答して、前記干渉バッファから前記入力信号を削除するステップと、
前記干渉バッファを前記第2の入力信号の組で満たすステップと、
をさらに含む、請求項3に記載の方法。 - 動き検出バッファを前記第1及び第2の入力信号の組からの入力信号で満たすステップをさらに含み、前記動き検出プロセスは、前記動き検出バッファの一部における前記入力信号に対して実行される、
請求項4に記載の方法。 - 前記干渉バッファは、N個のデータブロックを含み、前記動き検出バッファは、N+M−1個のデータブロックを含む、
請求項5に記載の方法。 - 前記第1の入力信号の組をロードするステップは、
前記無線信号の信号品質メトリックを閾値と比較するステップと、
前記閾値を上回る信号品質メトリックを有する無線信号を拒絶するステップと、
を含む、請求項1から6のいずれか1項に記載の方法。 - 命令を記憶するコンピュータ可読記憶媒体であって、前記命令は、前記データ処理装置によって実行された時に、
空間を通じて無線で送信された後に無線通信装置によって受信された第1の無線信号の組に基づく第1の入力信号の組を第1の期間にわたって干渉バッファにロードするステップと、
前記第1の入力信号の組を使用して無線干渉計レベルを決定するステップと、
前記決定された無線干渉レベルが閾値レベル未満であるとの判定に応答して、前記干渉バッファに第2の入力信号の組がロードされる第2の後続期間内に動き検出プロセスを実行するステップと、
を実行し、前記動き検出プロセスは、前記第1の入力信号の組のサブセットを使用して前記空間内の物体の動きを検出し、前記第2の入力信号の組は、前記空間を通じて無線で送信された後に前記無線通信装置によって受信された第2の無線信号の組に基づく、
ことを特徴とするコンピュータ可読記憶媒体。 - 前記動き検出プロセスは、前記空間内の物体の動きを検出するために前記第1の入力信号の組の複数のサブセットを使用して繰り返し実行される、
請求項8に記載のコンピュータ可読記憶媒体。 - 前記無線干渉レベルは、第1の無線干渉レベルを含み、前記動作は、
前記第2の入力信号の組を使用して第2の無線干渉レベルを決定するステップと、
前記第2の無線干渉レベルが前記閾値を上回るとの判定に応答して、前記第2の入力信号の組に対する前記動き検出プロセスの実行を妨げるステップと、
をさらに含む、請求項8に記載のコンピュータ可読記憶媒体。 - 前記第1の入力信号の組をロードするステップは、前記干渉バッファを満たすステップを含み、前記動作は、
前記第1の無線干渉レベルが前記閾値未満であるとの判定に応答して、前記干渉バッファから前記入力信号を削除するステップと、
前記干渉バッファを前記第2の入力信号の組で満たすステップと、
をさらに含む、請求項10に記載のコンピュータ可読記憶媒体。 - 前記動作は、動き検出バッファを前記第1及び第2の入力信号の組からの入力信号で満たすステップをさらに含み、前記動き検出プロセスは、前記動き検出バッファの一部における前記入力信号に対して実行される、請求項11に記載のコンピュータ可読記憶媒体。
- 前記干渉バッファは、N個のデータブロックを含み、前記動き検出バッファは、N+M−1個のデータブロックを含む、
請求項12に記載のコンピュータ可読記憶媒体。 - 前記第1の入力信号の組をロードする前記動作は、
前記無線信号の信号品質メトリックを閾値と比較するステップと、
前記閾値を上回る信号品質メトリックを有する無線信号を拒絶するステップと、
を含む、請求項8から13のいずれか1項に記載のコンピュータ可読記憶媒体。 - 動き検出システムであって、
複数の無線通信装置と、
前記無線通信装置に通信可能に結合されたデータ処理装置と、
を備え、各無線通信装置は、該無線通信装置が受信した一連の無線信号に基づいて前記空間内の物体の動きを検出するように構成され、前記データ処理装は、
空間を通じて無線で送信された後に無線通信装置によって受信された第1の無線信号の組に基づく第1の入力信号の組を第1の期間にわたって干渉バッファにロードし、
前記第1の入力信号の組を使用して無線干渉計レベルを決定し、
前記決定された無線干渉レベルが閾値レベル未満であるとの判定に応答して、前記干渉バッファに第2の入力信号の組がロードされる第2の後続期間内に動き検出プロセスを実行する、
ように構成され、前記動き検出プロセスは、前記第1の入力信号の組のサブセットを使用して前記空間内の物体の動きを検出し、前記第2の入力信号の組は、前記空間を通じて無線で送信された後に前記無線通信装置によって受信された第2の無線信号の組に基づく、
ことを特徴とする動き検出システム。 - 前記動き検出プロセスは、前記空間内の物体の動きを検出するために前記第1の入力信号の組の複数のサブセットを使用して繰り返し実行される、
請求項15に記載のシステム。 - 前記無線干渉レベルは、第1の無線干渉レベルを含み、前記データ処理装置は、
前記第2の入力信号の組を使用して第2の無線干渉レベルを決定し、
前記第2の無線干渉レベルが前記閾値を上回るとの判定に応答して、前記第2の入力信号の組に対する前記動き検出プロセスの実行を妨げる、
ようにさらに構成される、請求項15に記載のシステム。 - 前記データ処理装置は、
前記干渉バッファを満たすことによって前記第1の入力信号の組をロードし、
前記第1の無線干渉レベルが前記閾値未満であるとの判定に応答して、前記干渉バッファから前記入力信号を削除し、
前記干渉バッファを前記第2の入力信号の組で満たす、
ようにさらに構成される、請求項17に記載のシステム。 - 前記データ処理装置は、動き検出バッファを前記第1及び第2の入力信号の組からの入力信号で満たすようにさらに構成され、前記動き検出プロセスは、前記動き検出バッファの一部における前記入力信号に対して実行される、
請求項18に記載のシステム。 - 前記干渉バッファは、N個のデータブロックを含み、前記動き検出バッファは、N+M−1個のデータブロックを含む、
請求項19に記載のシステム。 - 前記データ処理装置は、
前記無線信号の信号品質メトリックを閾値と比較し、
前記閾値を上回る信号品質メトリックを有する無線信号を拒絶する、
ことによって前記第1の入力信号の組をロードするようにさらに構成される、
請求項15から20のいずれか1項に記載のシステム。
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Application Number | Priority Date | Filing Date | Title |
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US15/803,189 | 2017-11-03 | ||
US15/803,189 US9933517B1 (en) | 2017-11-03 | 2017-11-03 | Time-alignment of motion detection signals using buffers |
PCT/CA2018/050027 WO2019084666A1 (en) | 2017-11-03 | 2018-01-12 | Time-alignment of motion detection signals using buffers |
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JP2021501878A true JP2021501878A (ja) | 2021-01-21 |
JP7241745B2 JP7241745B2 (ja) | 2023-03-17 |
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JP2020518779A Active JP7241745B2 (ja) | 2017-11-03 | 2018-01-12 | バッファを用いた動き検出信号の時間整合 |
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US (1) | US9933517B1 (ja) |
EP (1) | EP3679397A4 (ja) |
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