JP2023133265A - 睡眠質を点数化する装置、方法及びコンピュータプログラム - Google Patents
睡眠質を点数化する装置、方法及びコンピュータプログラム Download PDFInfo
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Abstract
Description
210: 送受信部
220: 情報導出部
230: 指数導出部
240: 病症判断部
250: 点数化関数生成部
260: 要素別点数計算部
270: 睡眠質点数計算部
Claims (15)
- 睡眠質を点数化する装置において、
複数の睡眠ポリグラフ検査(PSG:polysomnography)対象者に対する睡眠ポリグラフ検査結果情報に基づいて睡眠ポリグラフ検査の要素別に分布モデルを生成し、前記分布モデル別に点数化関数を生成する点数化関数生成部と、
対象客体に向けてレーダ信号を送信し、前記対象客体から反射されたレーダ信号を受信する送受信部と、
前記レーダ信号に基づいて前記対象客体に対する睡眠時間情報及び複数の睡眠項目に関するイベント発生情報を導出する情報導出部と、
前記睡眠時間情報及び前記イベント発生情報を前記点数化関数に適用して要素別点数を計算する要素別点数計算部と、
計算された前記要素別点数に基づいて前記対象客体に対する睡眠質点数を計算する睡眠質点数計算部と
を含むことを特徴とする睡眠質を点数化する装置。 - 前記対象客体の前記睡眠時間情報は、
前記睡眠ポリグラフ検査の要素のうち総睡眠時間、総覚醒回数、総覚醒時間及び入眠潜時のうち少なくとも1つに対応する要素を含むことを特徴とする、請求項1に記載の睡眠質を点数化する装置。 - 前記対象客体の前記イベント発生情報は、
前記睡眠ポリグラフ検査の要素のうち中枢性無呼吸回数、閉塞性無呼吸回数、低呼吸回数及び呼吸努力関連覚醒回数のうち少なくとも1つに対応する要素を含むことを特徴とする、請求項1に記載の睡眠質を点数化する装置。 - 前記点数化関数生成部は、
前記複数の睡眠ポリグラフ検査対象者に対してそれぞれ測定された睡眠ポリグラフ検査結果情報から各要素別ヒストグラムを生成し、前記要素別ヒストグラムに基づいて前記分布モデルを生成することを特徴とする、請求項1に記載の睡眠質を点数化する装置。 - 前記点数化関数生成部は、
睡眠ポリグラフ検査対象者の年齢及び疾病群のうち少なくとも1つ以上の分類基準に応じて互いに異なる分布モデルを生成することを特徴とする、請求項1に記載の睡眠質を点数化する装置。 - 前記点数化関数は、
前記分布モデル別に生成され、各分布モデルが基づく前記要素によって入力される睡眠時間情報又はイベント発生情報の数値を前記分布モデル内の位置による点数に変換する関数であることを特徴とする、請求項1に記載の睡眠質を点数化する装置。 - 前記睡眠質点数計算部は、
前記要素別点数に加重値を与え、与えられた加重値を反映して前記睡眠質点数を計算し、前記加重値は、前記対象客体から入力されるフィードバック情報に基づいて計算されることを特徴とする、請求項1に記載の睡眠質を点数化する装置。 - 睡眠質を点数化する装置を利用する睡眠質の点数化方法において、
複数の睡眠ポリグラフ検査対象者に対する睡眠ポリグラフ検査結果情報に基づいて睡眠ポリグラフ検査の要素別に分布モデルを生成し、前記分布モデル別に点数化関数を生成する点数化関数生成ステップと、
対象客体に向けてレーダ信号を送信し、前記対象客体から反射されたレーダ信号を受信する送受信ステップと、
前記レーダ信号に基づいて前記対象客体に対する睡眠時間情報及び複数の睡眠項目に関するイベント発生情報を導出する導出ステップと、
前記睡眠時間情報及び前記イベント発生情報を前記点数化関数に適用して要素別点数を計算する要素別点数計算ステップと、
計算された前記要素別点数に基づいて前記対象客体に対する睡眠質点数を計算する睡眠質点数計算ステップと
を含むことを特徴とする睡眠質の点数化方法。 - 前記対象客体の前記睡眠時間情報は、
前記睡眠ポリグラフ検査の要素のうち総睡眠時間、総覚醒回数、総覚醒時間及び入眠潜時のうち少なくとも1つに対応する要素を含むことを特徴とする、請求項8に記載の睡眠質の点数化方法。 - 前記対象客体の前記イベント発生情報は、
前記睡眠ポリグラフ検査の要素のうち中枢性無呼吸回数、閉塞性無呼吸回数、低呼吸回数及び呼吸努力関連覚醒回数のうち少なくとも1つに対応する要素を含むことを特徴とする、請求項8に記載の睡眠質の点数化方法。 - 前記点数化関数生成ステップは、
前記複数の睡眠ポリグラフ検査対象者に対してそれぞれ測定された睡眠ポリグラフ検査結果情報から各要素別ヒストグラムを生成し、前記要素別ヒストグラムに基づいて前記分布モデルを生成するステップであることを特徴とする、請求項8に記載の睡眠質の点数化方法。 - 前記点数化関数生成ステップは、
睡眠ポリグラフ検査対象者の年齢及び疾病群のうち少なくとも1つ以上の分類基準に応じて互いに異なる分布モデルを生成するステップであることを特徴とする、請求項8に記載の睡眠質の点数化方法。 - 前記点数化関数は、
前記分布モデル別に生成され、各分布モデルが基づく前記要素によって入力される睡眠時間情報又はイベント発生情報の数値を前記分布モデル内の位置による点数に変換する関数であることを特徴とする、請求項8に記載の睡眠質の点数化方法。 - 前記睡眠質点数計算ステップは、
前記要素別点数に加重値を与え、与えられた加重値を反映して前記睡眠質点数を計算し、前記加重値は、前記対象客体から入力されるフィードバック情報に基づいて計算されることを特徴とする、請求項8に記載の睡眠質の点数化方法。 - 睡眠質を点数化する命令語のシーケンスを含むコンピュータ読み取り可能な記録媒体に格納されたコンピュータプログラムにおいて、
複数の睡眠ポリグラフ検査対象者に対する睡眠ポリグラフ検査結果情報に基づいて睡眠ポリグラフ検査の要素別に分布モデルを生成し、前記分布モデル別に点数化関数を生成し、
対象客体に向けてレーダ信号を送信し、前記対象客体から反射されたレーダ信号を受信し、
前記レーダ信号に基づいて前記対象客体に対する睡眠時間情報及び複数の睡眠項目に関するイベント発生情報を導出し、
前記睡眠時間情報及び前記イベント発生情報を前記点数化関数に適用して要素別点数を計算し、
計算された前記要素別点数に基づいて前記対象客体に対する睡眠質点数を計算する命令語のシーケンスを含む、コンピュータ読み取り可能な記録媒体に格納されたコンピュータプログラム。
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