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工業技術研究院

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技術名稱: 網路攝影機偵測嬰幼兒心率與呼吸之創新偵測技術

技術簡介

本發明揭露一種影像式心率活動偵測裝置與方法, 該方法包含以下步驟:( 1)針對一監測對象取得複數彩色影像;( 2)根據一預設之膚色目標條件,界定彩色影像中之一目標區域;( 3) 針對目標區域執行一彩色影像組成分析,以取得一紅色頻道訊號、一綠色頻道訊號以及一藍色頻道訊號;( 4) 依據一獨立成分分析法針對紅色、綠色以及藍色頻道訊號進行運算, 以分別取得第一、第二以及第三獨立成分訊號;( 5) 針對第一、第二以及第三獨立成分訊號分別執行一頻域轉換程序、一訊號能量運算程序與一訊號適化程序, 以取得一濾波訊號; 並根據一預設條件針對濾波訊號執行比對, 以確認監測對象是否為真人, 並據之作出一分析指示; 以及( 6) 根據該分析指示執行一生理資訊分析程序。

Abstract

An apparatus and method based on image for detecting heart rate activity is provided. The method includes: obtaining a plurality of color images; based on a complexion target condition, defining a target region; performing color composition analysis on the target region to obtain red channel signal, green channel signal and blue channel signal, respectively; performing independent component analysis on separate red, green and blue channel signals to obtain separate first independent component signal, second independent component signal and third independent component signal; performing frequency domain transform, signal energy computation and signal optimization processes on separate first, second and third independent component signals to obtain a filter signal, comparing filter signal based on a pre-set condition to determine if target region belonging to a human, and performing a physiological information analysis.

技術規格

取樣率:20fps/second (frames 200) 解析度: 640*480 距離: 0.5-0.9 公尺 色溫範圍: 2500-5300K 心率準確度: ± 10 % (符合EC-13-4.2.7 國際標準)

Technical Specification

Frame Rate: 20fps/second (frames 200) DPI: 640*480 Distance: 0.5-0.9 meters Color temperature: 2500-5300K HR accuracy: ± 10 % (EC-13-4.2.7)

技術特色

真人偵測(Alive humans detection based on the BVP from the webcam video)多人心率同時偵測(Simultaneous HR measurements of multiple persons in a single webcam video recording)

應用範圍

非接觸式心率偵測、網路攝影機加值服務應用

接受技術者具備基礎建議(設備)

作業系統環境:Windows/Android/Linux 網路攝影機: USB 2.0 PORT 或以上等級

接受技術者具備基礎建議(專業)

略具一般電腦簡易操作經驗

技術分類 H-智慧醫療

聯絡資訊

聯絡人:黎和欣 智慧醫療與照護組

電話:13411 或 Email:kernoli@itri.org.tw

客服專線:+886-800-45-8899

傳真:03-5827714

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