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1. CN107529646 - Non-contact heart rate measurement method and device based on Euler image magnification

Office
China
Application Number 201710303637.1
Application Date 02.05.2017
Publication Number 107529646
Publication Date 02.01.2018
Grant Number 107529646
Grant Date 26.01.2021
Publication Kind B
IPC
G06K 9/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G06K 9/34
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
20Image acquisition
34Segmentation of touching or overlapping patterns in the image field
G06T 7/11
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
10Segmentation; Edge detection
11Region-based segmentation
G06T 7/136
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
10Segmentation; Edge detection
136involving thresholding
A61B 5/024
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
02Measuring pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography; Heart catheters for measuring blood pressure
024Measuring pulse rate or heart rate
Applicants GUANGDONG UNIVERSITY OF TECHNOLOGY
广东工业大学
Inventors SU PEIQUAN
苏培权
XU LIANG
许亮
LIANG YONGJIAN
梁永坚
Agents 北京集佳知识产权代理有限公司 11227
北京集佳知识产权代理有限公司 11227
Title
(EN) Non-contact heart rate measurement method and device based on Euler image magnification
(ZH) 一种基于欧拉影像放大的无接触式心率测量方法及装置
Abstract
(EN)
The embodiment of the invention discloses a non-contact heart rate measurement method and a device based on Euler image magnification, used for solving the technical problems existing in the existingnon-contact heart rate measurement method that the heart rate is great in same-frequency noise interference and is greatly influenced by an environment temperature, isolation signal authenticity lacksjudgment and the like. The non-contact heart rate measurement method and device based on Euler image magnification in the embodiment of the invention comprises the following steps: S1, magnifying tiny change of radial artery jump in a video through an Euler image magnification technology; S2, performing luminance variance statistics on a video frame pixel point luminance channel after magnifyingthe tiny change of radial artery jump in a time domain, performing skin segmentation on the video frame subjected to magnification of the tiny change of radial artery jump, and extracting a radial artery jump area; and S3, performing time-frequency analysis on the radial artery jump area so as to calculate the heart rate.

(ZH)
本发明实施例公开了一种基于欧拉影像放大的无接触式心率测量方法及装置,用于解决目前非接触式心率测量方法存在心率同频段噪声干扰大,受环境温度影响较大,分离信号真实性缺乏判断等弊端的技术问题。本发明实施例一种基于欧拉影像放大的无接触式心率测量方法包括:S1:通过欧拉影像放大技术对视频中桡动脉跳动微小变化进行放大;S2:通过在时域上对桡动脉跳动微小变化放大后的视频帧像素点亮度通道进行亮度方差统计并同时对桡动脉跳动微小变化放大后的视频帧进行皮肤分割,对桡动脉跳动区域进行提取;S3:对所述桡动脉跳动区域进行时频分析计算心率。