Human body temperature measurement method and computer equipment
A technology of human body temperature and measurement method, which is applied in thermometers, computer parts, thermometer applications, etc., can solve the problems of low temperature measurement progress and high computing resource occupation, and achieve accurate human body temperature values and simple methods.
Active Publication Date: 2020-11-24
SHENZHEN TISMART TECH CO LTD
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[0003] The main purpose of the present invention is to provide a human body temperature measurement method and computer equipment, aiming to solve the technical problems in the prior art that occupy high computing resources when calculating the position of a designated area, and the progress of measuring temperature is low
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[0058] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0059] refer to figure 1 , the embodiment of the present application provides a method for measuring human body temperature, comprising the steps of:
[0060] S1. Acquire a thermal imaging image, a video image, and an ambient temperature of the first field of view area, wherein the thermal imaging image and the video image have the same shooting angle, shooting wide angle, shooting distance, and imaging size;
[0061] S2. Recognize the portrait in the video image through portrait recognition technology;
[0062] S3. Obtain the head image of the portrait, and mark the first smallest rectangular frame of the head image, and the coordinates of the four vertices of the first smallest rectangular frame based on the video image, wherein the The first minimum rectangular frame includes a top edge, a bottom edge, a first si...
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The invention discloses a human body temperature measurement method and computer equipment, which collects thermal imaging images, video images and ambient temperature in a fixed field of view area, and uses the portrait in the video image to determine the brow area, which is different from the existing one when determining the brow area. There are technical feature point extraction methods, but directly obtain the head image of the portrait, and then perform translation processing based on the four sides of the first smallest rectangular frame of the head image according to the preset movement ratio, and finally obtain a four sides after translation. The area enclosed by the edges is used as the brow area, and the method of obtaining the brow area is simple. The computing resources required for the translation processing of the four edges are much smaller than the computing resources for determining the area after feature extraction. After obtaining the eyebrow area, use the independently developed temperature calculation model to calculate the human body temperature value, and obtain the human body temperature value with an accuracy of -0.3 to 0.3, which is higher than the existing accuracy of -0.5 to 0.5, so that more accurate Accurate human body temperature value.
Description
technical field [0001] The invention relates to the field of temperature measurement, in particular to a human body temperature measurement method and computer equipment. Background technique [0002] The method of using infrared rays to measure human body temperature is a commonly used method at present, such as using an infrared thermometer to measure human body temperature. When using an infrared temperature gun to measure human body temperature, it is necessary to point the infrared receiving probe at the exposed skin parts of the human body (forehead, back of the hand, etc.), which is usually held by the staff. When it is necessary to measure the body temperature of a large number of people, due to It is necessary to manually align the exposed skin parts of the user's body, and the efficiency of measuring body temperature is low. However, if the temperature is measured using the thermal imaging image of the entire human body outline, the accuracy of temperature measure...
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IPC IPC(8): G06K9/00G06K9/20G06K9/32G01K13/00
CPCG06V40/10G06V10/143G06V10/25
Inventor 曾思灵温巍巍朱伟军刘开富谢卫良
Owner SHENZHEN TISMART TECH CO LTD