北京生物醫(yī)學(xué)工程

基于成像式光電容積描記技術(shù)的人體生理參數(shù)檢測研究進(jìn)展

Progress on human physiological parameter detectionbased on imaging PPG

作者：許彥坤石萍喻洪流

單位：上海理工大學(xué)康復(fù)工程與技術(shù)研究所(上海200093)

關(guān)鍵詞：成像式光電容積描記法；心率；心率變異性；呼吸率；智能手機(jī)

分類號：R318.04

出版年·卷·期（頁碼）：2017·36·6（648-654）

摘要：

生理參數(shù)檢測是臨床工作的基礎(chǔ)，目前使用的光電容積描記法(photoplethysmography，PPG)存在接觸式測量、可測參數(shù)少等問題。成像式光電容積描記法(imaging photoplethysmography，IPPG)因其非接觸、多通道檢測的特點(diǎn)受到重視并快速發(fā)展。本文首先簡要介紹了IPPG的工作原理，然后根據(jù)IPPG技術(shù)應(yīng)用中涉及的關(guān)鍵點(diǎn)，從信號采集部位、圖像采集設(shè)備、采集生理參數(shù)和數(shù)據(jù)處理算法四個(gè)方面，進(jìn)行了分類和綜述，分析了IPPG應(yīng)用各關(guān)鍵點(diǎn)目前存在的問題。最后提出IPPG技術(shù)未來的研究方向即運(yùn)動偽跡消除算法以及可測參數(shù)多樣化，對今后IPPG技術(shù)的研究和應(yīng)用具有一定的參考價(jià)值。

Physiological parameter testing is the basis of clinical work. As currently used technical means，photoplethysmography(PPG)requires contact measurement and tests less measurement parameters.Because of the characteristics of non-contact and multi-channel detection，imaging photoplethysmography(IPPG)has attracted the attention of researchers and made rapid development.Firstly，this paper introduces the working principle of IPPG.Then，the representative research work is classified and summarized according to the key points involved in IPPG technology application,such as the signal acquisition site，image acquisition equipment，collection of physiological parameters and data processing algorithms.And the existing problems of IPPG application are also analyzed.Finally，the research direction of IPPG technology is proposed，such as the motion artifact elimination algorithm and the parameter diversification.This review provides a reference for the study and application of IPPG in the future.

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