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Method for detecting heart rate by utilizing intelligent mobile phone camera

A smartphone and camera technology, applied in the measurement of pulse rate/heart rate, application, diagnostic record/measurement, etc., to achieve real-time effects

Inactive Publication Date: 2014-05-28
HARBIN INST OF TECH
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  • Abstract
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Problems solved by technology

There is no such product on the market that does not use other medical equipment, but only uses mobile phones to allow users to measure and observe heart rhythm.

Method used

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  • Method for detecting heart rate by utilizing intelligent mobile phone camera

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Embodiment Construction

[0016] The technical solution of the present invention will be further described below, but it is not limited thereto. Any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention should be covered by the protection scope of the present invention middle.

[0017] The method for utilizing the camera of smart phone to detect heart rate provided by the present invention comprises the following steps:

[0018] 1. Image collection: the user places his finger on the camera, and the camera continuously collects images.

[0019] 2. Data acquisition: extract the grayscale information in each frame of image, accumulate the grayscale value of each pixel in each frame of image, and its value represents the overall grayscale value of this frame of image, as a frame signal, continuous The signal constitutes the waveform of blood gray scale change.

[0020] The pr...

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Abstract

The invention provides a method for detecting the heart rate by utilizing an intelligent mobile phone camera. The method comprises the steps that 1, a user covers the camera with a finger, and the camera continuously acquires images; 2, gray information in each frame of image is extracted, the gray information of every frame of image is accumulated for serving as the overall gray value of every frame of image, and the overall gray values of the continuous image form a blood gray change waveform; 3, preprocessing, baseline drift removing and smooth denoising are carried out on the waveform; 4, peak values of the waveform are extracted, and the number of frames between every two adjacent peak values is determined for calculating the real-time heart rate; 5, the extracted waveform signal is zoomed for simulating a dynamic electrocardiogram. The method does not need the aid of any other medical equipment, and only the finger covers the camera, and the electrocardio waveform can be simulated, so that the real-time heart rate can be calculated.

Description

technical field [0001] The invention relates to a heart rate detection method, in particular to a method for measuring the heart rate by simulating an electrocardiogram by using a camera to collect and capture tiny blood gray scale changes. Background technique [0002] With the continuous development of science and technology, there have been many products that are convenient for people's life and health. There are many portable heart rate testers on the market. Through these devices, people can know their heart rate anytime and anywhere to see if their heart rhythm is normal. However, the user groups of these products are often people with a history of heart disease, and although they are portable devices, they may cause problems such as wearing discomfort to patients. [0003] With the popularity of smart phones, we can use the computing power of smart phones and integrate various functional modules to develop health products. There is a lack of such products that do no...

Claims

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Application Information

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IPC IPC(8): A61B5/024A61B5/0402
Inventor 夏勇刘冠达王宽全伯彭波张盛平
Owner HARBIN INST OF TECH
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