公开(公告)号：WO2017025775A1

公开(公告)日：2017-02-16

申请号：PCT/IB2015/056097

申请日：2015-08-11

Applicant: LATVIJAS UNIVERSITATE

Inventor： RUBINS, Uldis ,  ZAHARANS, Janis ,  SPIGULIS, Janis

IPC: A61B5/0205 ,  A61B5/00 ,  A61B5/024 ,  A61B5/1455

CPC classification number: A61B5/0059 ,  A61B5/0205 ,  A61B5/024 ,  A61B5/14551

Abstract: The present invention proposes a device for detection of hemodynamic parameter maps in a human skin by means of remote photoplethysmography imaging with adaptive illumination. The device comprises a video registration unit adapted for registering set of video frames of region of interest of subject's skin, said region having a number of sub-regions; a data processing unit adapted for processing obtained video signals and extracting photoplethysmography signals and set of hemodynamic parameters from each of the sub- regions; a display unit adapted to display hemodynamic parameter maps; an illuminator adapted to provide uniform illumination of the region of interest; a driver for regulating a power of illuminator; wherein the device further comprises a feedback unit adapted to receive from the data processing unit, the PPG signals from each of the sub-regions and to provide control of the illuminator to maintain uniform illumination of the region of interest; triggering unit for synchronous triggering of illuminator and video registration unit.

Abstract translation: 本发明提出了一种用于通过具有自适应照明的远程光体积描记术成像来检测人体皮肤中的血液动力学参数图的装置。 所述设备包括：视频注册单元，适于登记被摄体皮肤感兴趣区域的一组视频帧，所述区域具有多个子区域; 数据处理单元，适于处理所获得的视频信号并从每个子区域提取光电容积描记信号和一组血液动力学参数; 适于显示血液动力学参数图的显示单元; 适于提供感兴趣区域的均匀照明的照明器; 用于调节照明器功率的驱动器; 其中所述设备还包括反馈单元，其适于从所述数据处理单元接收来自每个子区域的PPG信号，并且提供所述照明器的控制以维持所述感兴趣区域的均匀照明; 触发单元，用于同步触发照明器和视频注册单元。