CN111345793A - 非接触式生命征象检测***与方法 - Google Patents
非接触式生命征象检测***与方法 Download PDFInfo
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Abstract
一种非接触式生命征象检测***与方法,该非接触式生命征象检测***具有设于待测者附近的雷达,该非接触式生命征象检测***包含数据缓冲器,存储预设期间内按序取样的雷达的多个输出信号;状态分类器,根据所述输出信号以决定待测者的状态;及生命征象检测器,当待测者为静止状态时,根据所述输出信号以得到待测者的生命征象。
Description
技术领域
本发明是有关一种检测***,特别涉及一种非接触式生命征象检测***与方法。
背景技术
体温(body temperature,BT)、血压(blood pressure,BP)、心跳速率(heartrate,HR)及呼吸速率(respiratory rate,RR)是四个主要的生命征象(vital signs)。生命征象的检测或测量可用以评估身体的健康状况,且能提供疾病的线索。
传统的医疗检测装置绝大部分都属于接触式的,通过线缆直接接触至待测者的身体。因此,造成待测者行动的限制。此外,接触式的检测装置通常需要受过训练的人员才会操作。
传统的(接触式或非接触式)医疗检测装置,大都需要通过专业人员在一旁进行观察或读取。限于有限的人力,只能每隔一段时间进行一次测量。因此,很可能在紧急时,因为错失了检测机会,而延误了救治的时机。
因此亟需提出一种全天候的非接触式生命征象检测***,用以改善传统医疗检测装置的缺失。
发明内容
鉴于上述,本发明实施例的目的之一在于提出一种非接触式生命征象检测***与方法,用以检测心跳速率及呼吸速率。
根据本发明实施例,非接触式生命征象检测***具有设于待测者附近的雷达,该非接触式生命征象检测***包含数据缓冲器、状态分类器及生命征象检测器。数据缓冲器存储预设期间内按序取样的雷达的多个输出信号。状态分类器根据所述输出信号以决定待测者的状态。当待测者为静止状态时,生命征象检测器根据所述输出信号以得到待测者的生命征象。
附图说明
图1显示本发明实施例的非接触式生命征象检测***的***方框图。
图2显示本发明实施例的非接触式生命征象检测方法的流程图,用以决定生命征象的状态。
图3A显示本发明实施例的呼吸速率检测方法的流程图。
图3B显示本发明实施例的心跳速率检测方法的流程图。
图4显示本发明实施例的非接触式生命征象检测方法的流程图。
图5显示本发明另一实施例的非接触式生命征象检测***的***方框图。
其中,附图标记说明如下:
100 非接触式生命征象检测***
1 雷达检测前端装置
2 生命征象处理器
11 雷达
111 传收机
12 天线
13 模拟至数字转换器
14 数据缓冲器
15 状态分类器
16A 呼吸速率检测器
16B 心跳速率检测器
17 通信界面
18 网络
19 分析器
200 决定生命征象状态的方法
201 决定频域的第一能量比例
202 第一能量比例是否大于临界值
203 决定最大平均差值
204 最大平均差值是否大于临界值
205 决定相位点数目
206 相位点数目是否大于临界值
207 决定频域的第二能量比例
208 第二能量比例是否大于临界值
209 决定电压差
210 电压差是否大于临界值
211 最大平均差值是否大于临界值或最大平均差和值是否大于临界值
300A 呼吸速率检测方法
300B 心跳速率检测方法
301 带通滤波
302 决定时域的零点交叉率
303 零点交叉率是否大于临界值
304 调整直流电压值
305 进行频域分析
306 正规化频谱
307 比较以选择同相或正交信号的频谱
308 决定最大频谱能量
400 非接触式生命征象检测方法
401 开启电源
402 配置参数
403 传送数据
404 选择雷达检测前端装置
405 识别检测情境
406 分析并监督数据
407 整合至相关***
I 同相信号
Q 正交信号
具体实施方式
图1显示本发明实施例的非接触式生命征象(non-contact vital-sign)检测***100的***方框图,可用以检测生命征象,例如心跳速率(heart rate)或呼吸速率(respiratory rate)。
在本实施例中,非接触式生命征象检测***(以下简称检测***)100可包含雷达检测前端装置1,其可包含雷达11,例如连续波(continuous-wave,CW)雷达,设于待测者的附近,使得待测者可被雷达11的检测范围所涵盖。在一实施例中,雷达11优选设于躺卧于床的待测者胸腔的正上方。在另一实施例中,雷达11亦可设置于其他方位,例如床的正下方、侧边方向等。在另一实施例中,雷达11可为超宽频(Ultra-wideband,UWB)雷达,例如频率调制连续波(Frequency modulated continuous waveform,FMCW)雷达。检测***100的雷达检测前端装置1可包含天线12,电性耦接至雷达11,借此发射射频(radio-frequency)信号及接收反射的射频信号。本实施例的雷达11可包含传收机(transceiver)111,其根据反射的射频信号以产生基频(baseband)的输出信号。在另一实施例中,雷达11和天线12是整合在一起。在另一实施例中,雷达检测前端装置1包含分别设置于不同方位的多组雷达11。
本实施例的检测***100的雷达检测前端装置1可包含模拟至数字转换器(ADC)13,其接收雷达11的(模拟)输出信号,将其转换为数字形式的输出信号。在本实施例中,雷达11的输出信号包含同相(in-phase)极化(polarization)信号(简称同相信号)I与正交(quadrature)极化(简称正交信号)信号Q。
检测***100的雷达检测前端装置1可包含数据缓冲器14,用以存储预设期间内按序取样的多个输出信号。例如,数据缓冲器14可存储八笔输出信号,其取样时间彼此间隔2.5秒。因此,数据缓冲器14所存储的输出信号总共可涵盖20秒的期间。输出信号总长度可依实际应用而定,例如10秒、30秒、60秒。取样时间间隔视反应时间而定,时间间隔越短检测***100反应越快。
在本实施例中,检测***100可包含生命征象处理器2,其可包含状态分类器15,其接收雷达11的输出信号,据以决定待测者的状态(status)。在本实施例中,待测者的状态可分类为以下三种:静止(stationary)、移动(motion)、无征象,但不限定于此。其中,静止状态表示待测者可能为睡觉或休息中,移动状态表示待测者可能为翻转或运动中,无征象状态表示待测者可能不在床上。更明确地说,静止状态可以是睡眠中翻身后固定某一睡姿、静态下休息如看电视、手脚不自主轻微抖动的长照对象;移动状态可以是待测者于床上的动作、待测者上床/离床的动作、周遭环境的变化(待测者于床附近走动/晃动);无征象状态可以是待测者停止生命迹象。在另一实施例中,状态分类器15接收分别设置于不同方位的多组雷达11的输出信号。
图2显示本发明实施例的非接触式生命征象检测方法200的流程图,用以决定生命征象的状态,可适用于图1的状态分类器15。于步骤201,接收雷达11的输出信号,据以决定频域(frequency domain)的第一能量比例,例如使用快速傅里叶转换(FFT)演算法。在本实施例中,第一能量比例定义为预设(第一)频率范围(例如12.5~25Hz)的(第一)能量与总能量的比值,可表示如下:
第一能量比例=Pfr1/P-t
其中,Pfr1代表预设(第一)频率范围的能量,Pt代表(所有频率的)总能量。
接着,于步骤202,判断频域的第一能量比例是否大于预设的(第一)临界值。
如果步骤202的判断结果为肯定,则进入步骤203以决定最大平均差值,其代表多个平均差值(mean difference)当中的最大值。在本实施例中,数据缓冲器14具有一总平均值(total mean)M。将数据缓冲器14分割为多个(例如m个)区块,可分别得到各个区块的部分平均值(divisional mean)DM1至DMm。平均差值定义为部分平均值减去总平均值(的绝对值),亦即DMX-M,X为1~m。因此,最大平均差值可表示如下:
最大平均差=max{abs[(DM1,DM2,…DMm)-(M,M,…M)]}
其中,abs()为绝对值函数,max()为最大值函数。
于步骤204,判断最大平均差值是否大于预设的(第二)临界值。如果步骤204的判断结果为肯定,则决定待测者为静止状态,否则决定待测者为无征象状态。
另一方面,本实施例的决定生命征象状态的方法200可包含步骤205~206,其并行于步骤201~202。于步骤205,接收雷达11的输出信号,据以决定相位点的数目。在本实施例中,同相信号I、正交信号Q与相位φ可表示如下:
I(n)=AI(n)cos[p(n)+θ]
Q(n)=AQ(n)sin[p(n)+θ]
φ=arctan[Q(n)/I(n)]
在一实施例中,如果相位φ介于预设范围(例如44.5°与45.5°)内,则计入为相位点。接着,于步骤206,判断相位点的数目是否大于预设的(第三)临界值。
如果步骤206的判断结果为肯定,则进入步骤203以决定最大平均差值。于步骤204,判断最大平均差值是否大于预设的(第二)临界值。如果步骤204的判断结果为肯定,则决定待测者为静止状态,否则决定待测者为无征象状态。
如果步骤202或步骤206的判断结果为否定,则进入步骤207,决定频域的第二能量比例,例如使用快速傅里叶转换(FFT)演算法。在本实施例中,第二能量比例定义为预设(第二)频率范围(例如3~25Hz)的(第二)能量与总能量的比值,可表示如下:
第二能量比例=Pfr2/P-t
其中,Pfr2代表预设(第二)频率范围的能量,Pt代表总能量。值得注意的是,预设第二频率范围可相同或异于预设第一频率范围。
接着,于步骤208,判断频域的第二能量比例是否大于预设的(第四)临界值,其可相同或异于预设的(第一)临界值。如果步骤208的判断结果为否定,则决定待测者为静止状态,否则进入步骤209。如果预设第二频率范围相同于预设第一频率范围且预设第四临界值相同于预设第一临界值,因步骤207~208相同于步骤201~202,因此可省略步骤207~208。
于步骤209,决定输出信号的电压差,例如点对点(point-to-point)或者波峰与波谷之间(peak-to-valley)的电压差。接着,于步骤210,判断电压差是否大于预设的(第五)临界值。如果步骤210的判断结果为肯定,则决定待测者为移动状态,否则进入步骤211。
于步骤211,判断最大平均差值是否大于预设的(第二)临界值(类似于步骤204),或者最大平均差和值是否大于预设的(第六)临界值。如果其中至少一个判断结果为肯定,则决定待测者为静止状态,否则决定待测者为无征象状态。在本实施例中,最大平均差和值为同相信号I的最大平均差值与正交信号Q的最大平均差值两者的和。
回到图1,本实施例的检测***100的生命征象处理器2可包含呼吸速率检测器16A,其接收状态分类器15所决定待测者的状态并根据静止状态时雷达11的输出信号(亦即同相信号I与正交信号Q),以得到待测者的呼吸速率。如前所述,本实施例的数据缓冲器14可存储8笔输出信号,其取样时间彼此间隔2.5秒。于决定呼吸速率时,如果待测者的状态非为静止状态,则数据缓冲器14的相应数据置换为预设值,例如输出信号的直流(DC)电压值。在另一实施例中,预设值可为由一种或多种频率组成的固定波形。在另一实施例中,预设值可为依据数据缓冲器14先前数据的线性/非线性运算结果。
图3A显示本发明实施例的呼吸速率检测方法300A的流程图,可适用于图1的呼吸速率检测器16A。于步骤301,使用带通滤波器(band-pass filter)对雷达11的输出信号(亦即同相信号I与正交信号Q)进行带通滤波,以得到过滤信号。在一实施例中,带通滤波器的通带(passband)频率范围相应于呼吸速率的频率范围,例如0.16~0.8Hz,但不限定于此。
于步骤302,根据带通滤波器所产生的过滤信号,决定时域(time domain)的零点交叉(zero crossing)率。在本实施例中,零点交叉是指输出信号的交流(AC)成分与直流电压值的交叉。当输出信号为正常时,其零点交叉率较大;当输出信号发生异常时,交流(AC)成分发生(上或下)偏移,使得零点交叉率变小。
接着,于步骤303,判断零点交叉率是否大于预设的(第七)临界值。如果步骤303的判断为否定(表示输出信号的交流(AC)成分发生偏移),则进入步骤304,调整输出信号的直流电压值。
如果步骤303的判断为肯定或完成步骤304后,则进入步骤305,根据带通滤波器所产生的过滤信号,进行频域(frequency domain)分析以得到同相信号的频谱(能量分布)与正交信号的频谱(能量分布)。接着,于步骤306,正规化(normalize)同相信号与正交信号的频谱。
于步骤307,比较同相信号与正交信号的最大频谱能量,据以选择同相信号与正交信号的其中之一作为选择频谱。换句话说,如果同相信号的最大频谱能量大于正交信号的最大频谱能量,则选择同相信号的频谱;否则选择正交信号的频谱。于步骤308,决定选择频谱当中的最大频谱能量,以相应的频率作为呼吸速率。
回到图1,本实施例的检测***100可包含心跳速率检测器16B,其接收状态分类器15所决定待测者的状态并根据静止状态时雷达11的输出信号(亦即同相信号I与正交信号Q),以得到待测者的心跳速率。
图3B显示本发明实施例的心跳速率检测方法300B的流程图,可适用于图1的心跳速率检测器16B。图3B的流程类似于图3A的流程,相应的步骤以相同符号表示,两者的相异处说明如下。
于步骤301,心跳速率检测方法300B的通带(passband)频率高于(或等于)呼吸速率检测方法300A的通带频率。在一实施例中,心跳速率检测方法300B的通带频率范围相应于心跳速率的频率范围,例如0.7~3Hz,但不限定于此。于心跳速率检测方法300B当中,可省略步骤306的频谱正规化。于步骤308,决定选择频谱当中的最大频谱能量,以相应的频率作为心跳速率。
回到图1,本实施例的检测***100可包含通信界面(communication interface)17,其可将雷达11的输出信号、状态分类器15所决定待测者的状态、呼吸速率检测器16A所得到的待测者的呼吸速率或/且心跳速率检测器16B所得到的待测者的心跳速率,通过网络18(例如网际网络)传送至分析器19。通信界面17可以是有线通信界面如通用异步接收发送器(UART)/集成电路总线(I2C)/串行的周边界面(SPI)/控制器区域网(Controller AreaNetwork,CAN)/建议标准(RS)232/建议标准(RS)422等界面,也可以是无线通信界面如无线感测网络(例,EnOcean/蓝牙(Bluetooth)/网蜂(ZigBee))、蜂巢式网络(2G/3G/长期演进技术(LTE)/5G)、无线区域网络(例,无线区域网络(WLAN)/全球微波连接互通(WiMAX))、短距离点对点通信(例,射频识别(RFID)/EnOcean/近场通信(NFC))等界面,但不限定于此。在另一实施例中,检测***100的通信界面17将雷达11的输出信号、状态分类器15所决定待测者的状态、呼吸速率检测器16A所得到的待测者的呼吸速率或/且心跳速率检测器16B所得到的待测者的心跳速率,通过信号传输线传送至分析器19。
图4显示本发明实施例的非接触式生命征象检测方法400的流程图。于步骤401,开启雷达11、模拟至数字转换器13、数据缓冲器14、状态分类器15、呼吸速率检测器16A及心跳速率检测器16B的电源。在本实施例中,雷达11、模拟至数字转换器13、数据缓冲器14、状态分类器15、呼吸速率检测器16A及心跳速率检测器16B可使用数字信号处理器(DSP)来实施。
于步骤402,配置数据缓冲器14、状态分类器15、呼吸速率检测器16A及心跳速率检测器16B的主要参数,例如数据缓冲器14的划分、(第一)频率范围(步骤201)、第二)频率范围(步骤207)、通带(passband)频率范围(步骤301)等。于步骤403,通信界面17通过网络18将输出信号、状态、呼吸速率或/且心跳速率传送至分析器19(其可设于云端)。
接着,于步骤404,分析器19从多个雷达检测前端装置1当中选择相应的一个。于步骤405,识别(identify)或判断检测情境(scenario),例如待测者为平躺、斜躺、侧躺等。于步骤406,分析并监督雷达检测前端装置1所传送的数据。当判断发生了紧急情况时,则发出警报给预设的人员或单位。再者,于步骤407,将分析所得到的结果整合至相关的***(例如医院的***),以得到更广泛且充分的判断与理解。
图5显示本发明另一实施例的非接触式生命征象检测***(以下简称检测***)500的***方框图,其类似于图1的检测***100,不同的地方说明如下。在本实施例中,检测***500的通信界面17自数据缓冲器14接收雷达11的输出信号,通过网络18(或直接)传送至状态分类器15、呼吸速率检测器16A或/且心跳速率检测器16B。借此在本实施例中,每一病房仅需设置雷达检测前端装置1(亦即,雷达11、天线12、模拟至数字转换器13及数据缓冲器14),但不需设置状态分类器15、呼吸速率检测器16A及心跳速率检测器16B。
以上所述仅为本发明的优选实施例而已,并非用以限定本发明的权利要求;凡其它未脱离本发明所公开的精神下所完成的等效改变或修饰,均应包含在下述的权利要求内。
Claims (19)
1.一种非接触式生命征象检测***,具有设于待测者附近的雷达,该非接触式生命征象检测***包含:
一数据缓冲器,存储预设期间内按序取样的该雷达的多个输出信号;
一状态分类器,根据所述输出信号以决定该待测者的状态;及
一生命征象检测器,当该待测者为静止状态时,根据所述输出信号以得到该待测者的生命征象。
2.根据权利要求1所述的非接触式生命征象检测***,其中,该雷达包含一连续波雷达或一超宽频雷达。
3.根据权利要求1所述的非接触式生命征象检测***,其中,当该待测者非为静止状态时,该数据缓冲器的相应数据置换为预设值。
4.根据权利要求1所述的非接触式生命征象检测***,其中,该状态分类器根据所述输出信号的能量比例、相位点的数目及电压差以决定该待测者的状态。
5.根据权利要求1所述的非接触式生命征象检测***,其中,该生命征象检测器包含一呼吸速率检测器。
6.根据权利要求5所述的非接触式生命征象检测***,其中,该呼吸速率检测器接收该状态分类器所决定的状态并根据静止状态时的所述输出信号的最大频谱能量,以相应的频率作为该待测者的呼吸速率。
7.根据权利要求1所述的非接触式生命征象检测***,其中,该生命征象检测器包含一心跳速率检测器。
8.根据权利要求7所述的非接触式生命征象检测***,其中,该心跳速率检测器接收该状态分类器所决定的状态并根据静止状态时的所述输出信号的最大频谱能量,以相应的频率作为该待测者的心跳速率。
9.根据权利要求1所述的非接触式生命征象检测***,还包含:
一分析器;及
一通信界面,其将所述输出信号、该状态或该生命征象传送至该分析器。
10.一种非接触式生命征象检测方法,包含:
根据一雷达的缓冲多个输出信号以决定频域的第一能量比例,并判断该第一能量比例是否大于预设的第一临界值,其中,该雷达设于待测者的附近;
根据所述输出信号以决定相位点的数目,并判断该相位点的数目是否大于预设的第三临界值;
若该第一能量比例大于该第一临界值或该相位点的数目大于该第三临界值,则根据所述输出信号以决定最大平均差值,并判断该最大平均差值是否大于预设的第二临界值;
若该第一能量比例非大于该第一临界值或该相位点的数目非大于该第三临界值,则根据所述输出信号以决定频域的第二能量比例,并判断该第二能量比例是否大于预设的第四临界值;及
根据所述输出信号以决定电压差,并判断该电压差是否大于预设的第五临界值。
11.根据权利要求10所述的非接触式生命征象检测方法,其中,若该最大平均差值大于该第二临界值,则决定该待测者为静止状态,否则决定该待测者为无征象状态。
12.根据权利要求10所述的非接触式生命征象检测方法,其中,若该第二能量比例非大于该第四临界值,则决定该待测者为静止状态。
13.根据权利要求10所述的非接触式生命征象检测方法,其中,若该电压差大于该第五临界值,则决定该待测者为移动状态。
14.根据权利要求10所述的非接触式生命征象检测方法,还包含:
根据所述输出信号以决定最大平均差和值,并判断该最大平均差和值是否大于预设的第六临界值。
15.根据权利要求14所述的非接触式生命征象检测方法,其中,若该电压差非大于该第五临界值,且该最大平均差和值大于该第六临界值,则决定该待测者为静止状态,否则决定该待测者为无征象状态。
16.一种非接触式生命征象检测方法,包含:
对一雷达的输出信号进行带通滤波,以得到过滤信号,其包含同相信号与正交信号;
根据该过滤信号,以决定时域的零点交叉率,并判断该零点交叉率是否大于预设的第七临界值;
根据该过滤信号,以得到该同相信号的频谱与该正交信号的频谱;
比较该同相信号与该正交信号的最大频谱能量,据以选择该同相信号的频谱与该正交信号的频谱的其中之一作为选择频谱;及
决定该选择频谱当中的最大频谱能量,以相应的频率作为生命征象。
17.根据权利要求16所述的非接触式生命征象检测方法,其中,若该零点交叉率非大于该第七临界值,则还包含调整该输出信号的直流电压值。
18.根据权利要求16所述的非接触式生命征象检测方法,还包含:
正规化该同相信号的频谱与该正交信号的频谱。
19.根据权利要求16所述的非接触式生命征象检测方法,其中,该带通滤波的通带频率范围相应于呼吸速率的频率范围且该生命征象代表待测者的呼吸速率;或者该带通滤波的通带频率范围相应于心跳速率的频率范围且该生命征象代表该待测者的心跳速率。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112244794A (zh) * | 2020-11-02 | 2021-01-22 | 深圳大学 | 基于周期性特征的生命体征检测方法、装置和存储介质 |
CN112327288A (zh) * | 2020-10-29 | 2021-02-05 | 深圳大学 | 雷达人体动作识别方法、装置、电子设备和存储介质 |
CN114754905A (zh) * | 2021-01-08 | 2022-07-15 | 深圳爱根斯通科技有限公司 | 对象状态检测方法、装置、智能终端及存储介质 |
CN116687357A (zh) * | 2023-08-07 | 2023-09-05 | 亿慧云智能科技(深圳)股份有限公司 | 基于毫米波雷达的睡眠监测方法、装置、设备及存储介质 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021086809A1 (en) * | 2019-10-28 | 2021-05-06 | Arizona Board Of Regents On Behalf Of Arizona State University | Methods and systems for remote sleep monitoring |
EP4052067A4 (en) | 2019-11-01 | 2022-12-21 | Arizona Board of Regents on behalf of Arizona State University | REMOTE RECOVERY OF ACOUSTIC SIGNALS FROM PASSIVE SOURCES |
US20220061815A1 (en) * | 2020-09-02 | 2022-03-03 | Zachary Flaherty | Measuring physiological motion using fmcw radar |
TW202248673A (zh) | 2021-02-25 | 2022-12-16 | 蘇米特 納格普 | 用於在界定區域中追蹤對象的技術 |
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TWI809864B (zh) * | 2022-05-10 | 2023-07-21 | 亞迪電子股份有限公司 | 感測方法和感測系統 |
JP2024040042A (ja) * | 2022-09-12 | 2024-03-25 | パナソニックIpマネジメント株式会社 | 呼吸数推定システム、呼吸数推定装置、呼吸数推定方法、及び、呼吸数推定プログラム |
Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007101343A1 (en) * | 2006-03-06 | 2007-09-13 | Wireless 2000 Rf & Uwb Technologies Ltd. | Ultra wideband monitoring systems and antennas |
JP2010178933A (ja) * | 2009-02-06 | 2010-08-19 | Tokyo Metropolitan Univ | 身体情報測定装置および身体情報測定システム |
CN102046076A (zh) * | 2008-04-03 | 2011-05-04 | Kai医药公司 | 非接触式生理运动传感器及其使用方法 |
CN102073042A (zh) * | 2010-10-27 | 2011-05-25 | 中国人民解放军第四军医大学 | 一种多通道基于uwb雷达式生命探测仪的多个人体目标二维定位方法 |
US20120245479A1 (en) * | 2011-03-23 | 2012-09-27 | Meena Ganesh | Physiology Monitoring and Alerting System and Process |
US20130053653A1 (en) * | 2011-08-29 | 2013-02-28 | General Electric Company | Radar based systems and methods for monitoring a subject |
CN103068304A (zh) * | 2010-08-12 | 2013-04-24 | 皇家飞利浦电子股份有限公司 | 用于测量生命体征的装置、***与方法 |
US20150301167A1 (en) * | 2009-12-18 | 2015-10-22 | Christopher Gary Sentelle | Detection of movable objects |
US20160025847A1 (en) * | 2013-03-13 | 2016-01-28 | Oki Electric Industry Co., Ltd. | State recognizing device, state recognizing method, and recording medium |
CN105452898A (zh) * | 2013-08-14 | 2016-03-30 | Iee国际电子工程股份公司 | 车辆乘用的雷达感测 |
CN106068030A (zh) * | 2015-04-23 | 2016-11-02 | 纬创资通股份有限公司 | 功率控制方法及其的移动装置和功率控制*** |
CN106175731A (zh) * | 2016-08-10 | 2016-12-07 | 上海交通大学 | 非接触式生命体征监测的信号处理*** |
US20170231504A1 (en) * | 2009-02-06 | 2017-08-17 | Resmed Sensor Technologies Limited | Apparatus, system and method for chronic disease monitoring |
TWI609672B (zh) * | 2016-09-22 | 2018-01-01 | 國立中山大學 | 非接觸式生命徵象監測系統 |
CN108474841A (zh) * | 2015-04-20 | 2018-08-31 | 瑞思迈传感器技术有限公司 | 由特征信号对人类的检测和识别 |
US20200397365A1 (en) * | 2015-07-17 | 2020-12-24 | Feng Zhang | Method, apparatus, and system for wireless sleep monitoring |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3360476B1 (en) * | 2017-02-13 | 2020-09-30 | Stichting IMEC Nederland | A method and a device for detecting of a vital sign |
EP3424418B1 (en) * | 2017-07-05 | 2023-11-08 | Stichting IMEC Nederland | A method and a system for detecting a vital sign of a subject |
US11585891B2 (en) * | 2020-04-20 | 2023-02-21 | Infineon Technologies Ag | Radar-based vital sign estimation |
-
2018
- 2018-12-21 TW TW107146296A patent/TWI687202B/zh active
-
2019
- 2019-01-04 CN CN201910008256.XA patent/CN111345793B/zh active Active
- 2019-02-20 US US16/280,774 patent/US20200196866A1/en not_active Abandoned
- 2019-02-26 EP EP19159348.2A patent/EP3671260B1/en active Active
- 2019-03-07 JP JP2019041494A patent/JP6731087B2/ja active Active
-
2023
- 2023-05-23 US US18/200,973 patent/US20230293011A1/en active Pending
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007101343A1 (en) * | 2006-03-06 | 2007-09-13 | Wireless 2000 Rf & Uwb Technologies Ltd. | Ultra wideband monitoring systems and antennas |
CN102046076A (zh) * | 2008-04-03 | 2011-05-04 | Kai医药公司 | 非接触式生理运动传感器及其使用方法 |
JP2010178933A (ja) * | 2009-02-06 | 2010-08-19 | Tokyo Metropolitan Univ | 身体情報測定装置および身体情報測定システム |
US20170231504A1 (en) * | 2009-02-06 | 2017-08-17 | Resmed Sensor Technologies Limited | Apparatus, system and method for chronic disease monitoring |
US20150301167A1 (en) * | 2009-12-18 | 2015-10-22 | Christopher Gary Sentelle | Detection of movable objects |
CN103068304A (zh) * | 2010-08-12 | 2013-04-24 | 皇家飞利浦电子股份有限公司 | 用于测量生命体征的装置、***与方法 |
CN102073042A (zh) * | 2010-10-27 | 2011-05-25 | 中国人民解放军第四军医大学 | 一种多通道基于uwb雷达式生命探测仪的多个人体目标二维定位方法 |
US20120245479A1 (en) * | 2011-03-23 | 2012-09-27 | Meena Ganesh | Physiology Monitoring and Alerting System and Process |
US20130053653A1 (en) * | 2011-08-29 | 2013-02-28 | General Electric Company | Radar based systems and methods for monitoring a subject |
US20160025847A1 (en) * | 2013-03-13 | 2016-01-28 | Oki Electric Industry Co., Ltd. | State recognizing device, state recognizing method, and recording medium |
CN105452898A (zh) * | 2013-08-14 | 2016-03-30 | Iee国际电子工程股份公司 | 车辆乘用的雷达感测 |
CN108474841A (zh) * | 2015-04-20 | 2018-08-31 | 瑞思迈传感器技术有限公司 | 由特征信号对人类的检测和识别 |
CN106068030A (zh) * | 2015-04-23 | 2016-11-02 | 纬创资通股份有限公司 | 功率控制方法及其的移动装置和功率控制*** |
US20200397365A1 (en) * | 2015-07-17 | 2020-12-24 | Feng Zhang | Method, apparatus, and system for wireless sleep monitoring |
CN106175731A (zh) * | 2016-08-10 | 2016-12-07 | 上海交通大学 | 非接触式生命体征监测的信号处理*** |
TWI609672B (zh) * | 2016-09-22 | 2018-01-01 | 國立中山大學 | 非接觸式生命徵象監測系統 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112327288A (zh) * | 2020-10-29 | 2021-02-05 | 深圳大学 | 雷达人体动作识别方法、装置、电子设备和存储介质 |
CN112244794A (zh) * | 2020-11-02 | 2021-01-22 | 深圳大学 | 基于周期性特征的生命体征检测方法、装置和存储介质 |
CN112244794B (zh) * | 2020-11-02 | 2023-11-21 | 深圳大学 | 基于周期性特征的生命体征检测方法、装置和存储介质 |
CN114754905A (zh) * | 2021-01-08 | 2022-07-15 | 深圳爱根斯通科技有限公司 | 对象状态检测方法、装置、智能终端及存储介质 |
CN114754905B (zh) * | 2021-01-08 | 2023-10-31 | 深圳爱根斯通科技有限公司 | 对象状态检测方法、装置、智能终端及存储介质 |
CN116687357A (zh) * | 2023-08-07 | 2023-09-05 | 亿慧云智能科技(深圳)股份有限公司 | 基于毫米波雷达的睡眠监测方法、装置、设备及存储介质 |
CN116687357B (zh) * | 2023-08-07 | 2023-10-20 | 亿慧云智能科技(深圳)股份有限公司 | 基于毫米波雷达的睡眠监测方法、装置、设备及存储介质 |
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