WO2023140408A1 - Système de mesure de température corporelle - Google Patents

Système de mesure de température corporelle Download PDF

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Publication number
WO2023140408A1
WO2023140408A1 PCT/KR2022/001175 KR2022001175W WO2023140408A1 WO 2023140408 A1 WO2023140408 A1 WO 2023140408A1 KR 2022001175 W KR2022001175 W KR 2022001175W WO 2023140408 A1 WO2023140408 A1 WO 2023140408A1
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WO
WIPO (PCT)
Prior art keywords
body temperature
temperature
visitor
image
pixels
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Application number
PCT/KR2022/001175
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English (en)
Korean (ko)
Inventor
유정운
Original Assignee
주식회사 대호씨엔에스
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Publication of WO2023140408A1 publication Critical patent/WO2023140408A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
    • A61B5/0008—Temperature signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7221—Determining signal validity, reliability or quality
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/7405—Details of notification to user or communication with user or patient ; user input means using sound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns

Definitions

  • the present invention relates to a body temperature measurement system.
  • infectious diseases are manifested in various ways depending on the type, but since they cause high fever as the most common infectious disease, a method of separately detecting high fever among people entering through the thermal image obtained by the thermal imaging camera after installing a thermal imaging camera at the entrance and exit of places such as airports, various buildings, government offices, and hospitals is increasing.
  • An object of the present invention is to provide a body temperature measurement system capable of accurately measuring the body temperature of a visitor in any external environment.
  • Another object of the present invention is to provide a body temperature measurement system that can solve the problem of waiting for body temperature measurement.
  • One aspect of the present invention relates to a body temperature measurement system.
  • the body temperature measuring system includes a thermal imaging camera that acquires a thermal image of the side of a face including an ear of a visitor; and a main body including a body temperature determination module for determining the body temperature of the visitor from the image obtained from the thermal imaging camera.
  • the body temperature determining module may determine the highest temperature in the thermal image of the side of the face as the body temperature of the visitor.
  • the body temperature determination module includes an ear image extractor for extracting an ear region image of a first resolution from the face side thermal image, and the body temperature determination module determines the highest temperature in the ear region image as the body temperature of the visitor.
  • the ear image extraction unit may extract an ear region image from the face side thermal image through a learned artificial intelligence algorithm.
  • the first resolution may be 80 pixels to 300 pixels horizontally and 80 pixels to 300 pixels vertically.
  • the body temperature determination module may further include a high-temperature region extractor extracting the highest temperature region of the second resolution from the ear region image, and the body temperature determination module may determine the average temperature of the highest temperature region as the body temperature of the visitor.
  • the second resolution may be 8 pixels to 30 pixels horizontally and 8 pixels to 30 pixels vertically.
  • the body temperature determining module may determine an average temperature of the remaining regions excluding 1 to 5 highest temperature pixels and 1 to 5 lowest temperature pixels among the temperatures of the highest temperature region as the body temperature of the visitor.
  • the body temperature measuring system may further include a mode switching module capable of selecting one of a simple measurement mode for determining the highest temperature in the thermal image of the side of the face as the body temperature of the visitor, a first precision measurement mode for determining the maximum temperature in the ear region image as the body temperature of the visitor, and a second precise measurement mode for determining the average temperature of the highest temperature region as the body temperature of the visitor.
  • a mode switching module capable of selecting one of a simple measurement mode for determining the highest temperature in the thermal image of the side of the face as the body temperature of the visitor, a first precision measurement mode for determining the maximum temperature in the ear region image as the body temperature of the visitor, and a second precise measurement mode for determining the average temperature of the highest temperature region as the body temperature of the visitor.
  • the mode conversion module may include a temperature collection unit that collects the current temperature of the region where the body temperature measurement system is installed through communication with the web; and a mode selection unit capable of manually selecting one or more of the simple measurement mode, the first precise measurement mode, and the second precise measurement mode.
  • the temperature collection unit may select a simple measurement mode, a first precise measurement mode, and a second precise measurement mode according to a preset standard based on the collected current temperature.
  • control module controls at least one of voice guidance and sound output through the speaker, and when the body temperature determined by the body temperature determination module is equal to or less than the reference body temperature, the control module may output a re-measurement voice guide through the speaker and measure the body temperature again.
  • the thermal imaging camera includes an optical zoom
  • the control module includes a zoom controller for controlling the optical zoom, and when the ear region image extracted by the ear image extractor is smaller than the first resolution, the zoom controller can zoom in and photograph the side of the person's face.
  • the main body further includes a correction module for correcting an error in the body temperature of the visitor, and the correction module compares the body temperature of the certified thermometer with the body temperature determined by the body temperature determination module, and corrects the error of the body temperature determination module based on the certified thermometer.
  • the body temperature measurement system may further include a photographing camera for photographing the visitor and obtaining a photographed image of the visitor.
  • the photographing camera may be provided at a location capable of capturing the front of the entrant when the thermal imaging camera acquires a thermal image of the side of the entrant's face.
  • the main body may further include a visitor analysis module that determines one or more of whether the visitor is wearing a mask, whether the face is frontal, and the height of the visitor from the photographed image.
  • the visitor analysis module may determine at least one of whether the visitor wears a mask and whether the face is frontal from the photographed image through the learned artificial intelligence algorithm.
  • the body temperature measuring system may further include a distance sensor that calculates a distance between the visitor and the photographing camera, and the visitor analysis module may determine the height of the visitor from the photographed image of the calculated distance.
  • the body temperature measurement system may include: a first movement unit vertically moving the thermal imaging camera in response to the determined height of the visitor; and a second moving unit which horizontally moves the thermal imaging camera so that the thermal imaging camera can obtain a thermal image of the side of the visitor's face when the body temperature of the visitor determined by the body temperature determination module is equal to or less than the reference body temperature or the visitor analysis module determines that the photographed image is not the front of the visitor.
  • the first movement unit may include: a vertical movement guide for guiding a path along which the thermal imaging camera vertically moves; and a first driving unit for moving the thermal imaging camera along the vertical movement guide.
  • the second movement unit may include: a horizontal movement guide for guiding a horizontal movement path of the thermal imaging camera; and a second driving unit for moving the thermal imaging camera along the horizontal movement guide.
  • control module may output a voice guide to the visitor through the speaker or send a notification to a manager through a communication unit.
  • the control module may output a voice guide to the visitor through the speaker, send a notification to a manager through a communication unit, or a door control unit additionally included in the control module to control opening and closing of the door.
  • the body temperature measuring system may further include a display unit that displays information to the visitor, and the display unit may display at least one of the ear region image, the highest temperature region, a photographed image, and the body temperature of the visitor determined by the body temperature determination module and whether or not the body temperature is normal.
  • the body temperature measuring system further includes a laser pointer that displays a laser dot in the front direction of the visitor's gaze so that the thermal imaging camera can obtain a thermal image of the side of the visitor's face, and the gaze correction direction can be set to a position corresponding to the height of the eyes of the visitor based on the calculated height of the visitor.
  • the control module may further include a laser pointer control unit that controls movement of the laser pointer to induce a line of sight of the visitor.
  • the present invention has an effect of providing a body temperature measurement system capable of accurately measuring the body temperature of a visitor in any external environment and solving the problem of waiting for body temperature measurement.
  • FIG. 1 is a simple block diagram of a body temperature measurement system according to one embodiment of the present invention.
  • FIG. 2 is a simple block diagram of a body temperature measurement system according to another embodiment of the present invention.
  • FIG 3 is a simplified view of the structure of a mobile unit according to another embodiment of the present invention.
  • 'X to Y' representing a range means 'X or more and Y or less'.
  • a 'unit' or a 'module' includes a unit realized by hardware, a unit realized by software, or a unit realized using both. Further, one unit may be realized using two or more hardware, and two or more units may be realized by one hardware.
  • ' ⁇ unit' or 'module' is not limited to software or hardware, and ' ⁇ unit' or 'module' may be configured to be in an addressable storage medium or may be configured to reproduce one or more processors.
  • ' ⁇ unit' or 'module' includes software components, object-oriented software components, components such as class components and task components, processes, functions, properties, procedures, subroutines, segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays, and variables.
  • Components and functions provided within ' ⁇ units' or 'modules' may be combined into smaller numbers of components and ' ⁇ units' or 'modules' or further separated into additional components and ' ⁇ units' or 'modules'.
  • components and ' ⁇ units' may be implemented to play one or more CPUs in a device or a secure multimedia card.
  • 'communication' is a wired network such as a Local Area Network (LAN), a Wide Area Network (WAN), or a Value Added Network (VAN), a mobile radio communication network, or a satellite communication network. It can be implemented in all kinds of wireless networks or wired networks.
  • LAN Local Area Network
  • WAN Wide Area Network
  • VAN Value Added Network
  • mobile radio communication network or a satellite communication network. It can be implemented in all kinds of wireless networks or wired networks.
  • the 'highest temperature' may mean the highest temperature excluding 1 to 5, specifically 3, the highest temperature of the sample, and the 'highest temperature region' may be a region substantially centered on the 'highest temperature', and the captured image may also be applied to the captured image.
  • FIG. 1 is a simple block diagram of a body temperature measurement system according to one embodiment of the present invention.
  • the body temperature measuring system includes a thermal imaging camera 100 that acquires a thermal image of the side of a face including a person's ears; and a main body 200 including a body temperature determination module 210 for determining the body temperature of the visitor from the image acquired by the thermal imaging camera 100 .
  • the body temperature of a person is in the ear where it is least affected by the external environment, and the body temperature measuring system of the present invention has the advantage of being able to measure the body temperature with high reliability without being affected by cold or hot weather by measuring the body temperature in the ear.
  • the thermal imaging camera 100 serves to acquire a thermal image of the side of a person's face including the ears of the visitor.
  • the main body 200 may include a body temperature determination module 210 for determining the highest temperature in the image path obtained from the thermal imaging camera 100 as the body temperature of the visitor and a control module 250 for controlling the camera and the body temperature determination module 210.
  • the main body 200 may include a body temperature determination module 210, a mode conversion module 230, a control module 250, a correction module 270, a visitor analysis module 280, and a communication module 290.
  • the body temperature determination module 210 may determine the highest temperature in the thermal image of the side of the face as the body temperature of the visitor.
  • the highest temperature in the thermal image of the side of the face corresponds to the temperature inside the ear. After exercise or in very hot weather, other body parts in the thermal image on the side of the face may have the highest temperature, but this is because the most fundamental purpose of the body temperature measurement system is to select a visitor with fever and restrict the entry of that visitor.
  • the body temperature determination module 210 includes an ear image extractor 211 for extracting an ear region image of a first resolution from the face side thermal image, and the body temperature determination module 210 may determine the highest temperature in the ear region image as the body temperature of the visitor.
  • the first resolution may be 80 pixels to 300 pixels horizontally and 80 pixels to 300 pixels vertically, and in this case, the body temperature measurement time may be shortened.
  • the ear image extraction unit may extract an ear region image from the face side thermal image through a learned artificial intelligence algorithm, and a person skilled in the art may apply an appropriate algorithm to this.
  • the body temperature determination module 210 further includes a high temperature region extractor 213 for extracting the highest temperature region of the second resolution from the ear region image, and the body temperature determination module 210 may determine the average temperature of the highest temperature region as the body temperature of the visitor.
  • the highest temperature region may be set around the inside of the ear, and the second resolution may be 8 pixels to 30 pixels horizontally and 8 pixels to 30 pixels vertically, and in this case, the body temperature measurement time is remarkably shortened.
  • the highest temperature region may also be extracted through the learned artificial intelligence algorithm.
  • the average temperature of the highest-temperature region may mean an average temperature of regions other than 1 to 5, specifically 3, and 1 to 5, specifically 3, lowest-temperature pixels among the temperatures of the highest temperature region.
  • the body temperature measuring system may further include a mode switching module 230 .
  • the mode switching module 230 serves to select one of a simple measurement mode in which the maximum temperature in the thermal image of the side of the face is determined as the body temperature of the visitor, a first precision measurement mode in which the maximum temperature in the ear region image is determined as the body temperature of the visitor, and a second precise measurement mode in which the average temperature of the highest temperature region is determined as the body temperature of the visitor.
  • the mode switching module 230 may include one or more of a temperature collection unit 231 and a mode selection unit 233.
  • the temperature collection unit 231 collects the current temperature of the region where the corresponding body temperature measurement system is installed through communication with the web, and based on the collected current temperature, according to a preset standard, a simple measurement mode, a first precise measurement mode, and a second precise measurement mode. For example, when the external temperature is too high, extracting the ear region image or the highest temperature region can improve reliability. Therefore, the temperature collection unit 231 automatically applies the mode based on an appropriately set temperature in advance.
  • the mode selector 233 may manually select one or more of the simple measurement mode, the first precise measurement mode, and the second precise measurement mode, and may receive a current temperature or mode selection through a separate input unit. This is to enable communication with the web to be disabled or to select a mode by the manager's judgment according to the environment.
  • the control module 250 serves to control all components of the body temperature measurement system of the present invention, and specifically, may include a mobile unit driving unit 251, a zoom control unit 253, a door control unit 255, a laser pointer control unit 257, and a memory unit 259.
  • the moving unit driving unit 251, the zoom controller 253, the door controller 255, and the laser pointer controller 257 will be described in detail along with control objects below.
  • the memory unit 259 temporarily or permanently stores various information, numerical values, images, videos, etc. collected from the body temperature measurement system, and the control module 250 can control the operation of each component by appropriately calling them.
  • the body temperature measurement system of the present invention may further include a speaker 300 that provides information to visitors.
  • the control module 250 controls at least one of voice guidance and sound output to the speaker 300, and when the body temperature determined by the body temperature determination module 210 is equal to or less than the reference body temperature, the control module 250 may output a re-measurement voice guidance through the speaker 300 and measure the body temperature again.
  • the reference body temperature is a body temperature that is difficult for a person to have, and may be a criterion for erroneous measurement. Specifically, the reference body temperature may be set in the range of 32 °C to 34.5 °C, for example, may be set at 34 °C.
  • the thermal imaging camera 100 may have an optical zoom.
  • the zoom control unit 253 of the control module 250 may enlarge and photograph the side of the visitor's face when the ear region image extracted by the ear image extractor is smaller than the first resolution. This means that the user is located too far away from the thermal imaging camera 100, so an image of the ear area of the first resolution or higher is not collected, and the zoom controller 253 can increase the reliability of body temperature measurement by taking an enlarged picture.
  • the main body 200 may further include a correction module 270 for correcting an error in the body temperature of the visitor.
  • the correction module 270 may correct an error of the body temperature determination module based on the certified thermometer by comparing the body temperature of the certified thermometer with the body temperature determined by the body temperature determination module. Specifically, the correction module 270 may perform correction based on the body temperature of the visitor measured by an authorized thermometer after measuring the body temperature of the visitor. The error may be input through an input unit provided in the correction module 270 .
  • the body temperature measurement system of the present invention may further include a photographing camera 400 for photographing the visitor and obtaining a photographed image of the visitor.
  • the thermal imaging camera acquires a thermal image of the side of the person's face
  • the photographing camera is provided at a location capable of capturing the front of the person and may acquire a front image of the person.
  • the visitor analysis module 280 may determine at least one of whether the visitor is wearing a mask, whether the person is in front of the face, and the person's height from the photographed image.
  • the visitor analysis module 280 may determine at least one of whether the visitor wears a mask and whether the face is frontal from the photographed image through the learned artificial intelligence algorithm.
  • the control module 250 may guide the entrant to wear a mask through the speaker 300, and if the photographed image is not the front face, the control module 250 may guide the entrant to look at the front through the speaker 300.
  • the body temperature measurement system of the present invention further includes a distance sensor 500 that calculates the distance between the visitor and the photographing camera 400, and the visitor analysis module 280 can determine the height of the visitor from the photographed image of the calculated distance.
  • a measurement criterion can be set with a photographed image of a visitor whose height is known and the calculated distance. This can provide a criterion between the angle of the photographic camera 400, the calculated distance, and the height of the visitor.
  • the corresponding criterion is set, the calculated distance and the position of the head of the visitor on the photographed image can be easily calculated by a person skilled in the art.
  • the body temperature measuring system of the present invention may further include a moving unit 600 capable of vertically and horizontally moving the thermal imaging camera, and the moving unit driver 251 may control the moving unit 600.
  • the moving unit 600 includes a first moving unit 610 that vertically moves the thermal imaging camera in response to the determined height of the entrant; and a second moving unit 630 that horizontally moves the thermal imaging camera so that the thermal imaging camera can obtain a thermal image of the side of the visitor's face when the body temperature of the visitor determined by the body temperature determining module is equal to or less than the reference body temperature or the visitor analysis module determines that the photographed image is not the front of the visitor.
  • the first movement unit 610 includes a vertical movement guide 611 guiding a path along which the thermal imaging camera 100 vertically moves; and a first driving unit (not shown) for moving the thermal imaging camera 100 along the vertical movement guide 611 .
  • the second movement unit 630 includes a horizontal movement guide 631 for guiding a horizontal movement path of the thermal imaging camera 100; and a second driving unit (not shown) for moving the thermal imaging camera along the horizontal movement guide 631 .
  • the first and second driving units can be easily applied to those skilled in the art, and are not particularly limited as long as they can move the thermal imaging camera 100 along the vertical movement guide 611 and the horizontal movement guide 631.
  • the horizontal movement guide 631 guides the movement of the thermal imaging camera 100
  • a second driving unit (not shown) may be provided so that the thermal imaging camera 100 can reciprocate along the horizontal movement guide 631
  • the vertical movement guide 611 guides the movement of the horizontal movement guide 631
  • the first driving unit (not shown) causes the horizontal movement guide 631 to move vertically. It may be provided to reciprocate along the moving guide 611 .
  • the first moving unit 610 adjusts the height of the thermal imaging camera 100 according to the height of the person entering and exiting the room, so that a thermal image of the side of the face that accurately includes the inside of the ear can be obtained.
  • the second moving unit 630 may horizontally move the thermal imaging camera 100 to prevent the reliability of the body temperature from being lowered when the body temperature is measured low because the angle of the visitor's face is not correct or the visitor analysis module 280 determines that the photographed image is not the front of the visitor.
  • the control module 250 may output a voice guide to the visitor through the speaker 300 or send a notification to the administrator through the communication unit 290.
  • the set temperature may be set to a temperature at which fever of the visitor may be suspected, and may be specifically set to a range of 37.3°C to 39°C, for example, 37.5°C.
  • the control module 250 can output a voice guide to the visitor through the speaker 300, send a notification to a manager through the communication unit 290, or control the opening and closing of the door 700 by the door control unit 255 additionally included in the control module.
  • the body temperature measurement system of the present invention may further include a display unit 800 that displays information to the visitor.
  • the display unit 800 may display at least one of the image of the ear region, the highest temperature region, the photographed image, the body temperature of the visitor determined by the body temperature determination module, and whether or not the body temperature is normal, and may provide various information to the visitor, such as whether access is permitted or not, guidance on matters to be noted.
  • the body temperature measurement system of the present invention may further include a laser pointer 900 that displays a laser dot in the front direction of the visitor's gaze so that the thermal imaging camera can obtain a thermal image of the side of the visitor's face.
  • the gaze correction direction may be set to a position corresponding to the eye height based on the height of the visitor calculated by the visitor analysis module 280 .
  • the body temperature measurement of visitors should be measured by both men and women of all ages.
  • the laser pointer 900 can prevent a situation in which children, Yuna, or the elderly may have difficulty measuring body temperature due to unfamiliarity with the body temperature measurement system or low understanding of the measurement method.
  • the laser pointer control unit 257 can control the movement of the laser pointer 900 to induce the visitor's line of sight. Specifically, the laser pointer 900 is controlled to move in the frontal direction of the gaze from the floor that the visitor faces when entering the space for measuring the body temperature, or by moving in a narrow width in the frontal direction of the gaze, the laser pointer 900 can be induced to keep looking.

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Abstract

Un système de mesure de température corporelle selon la présente invention comprend : une caméra d'imagerie thermique servant à acquérir une image thermique du profil latéral du visage comprenant l'oreille d'un visiteur ; et un corps principal comprenant un module de détermination de température corporelle servant à déterminer la température corporelle du visiteur, à partir de l'image acquise à partir de la caméra d'imagerie thermique.
PCT/KR2022/001175 2022-01-21 2022-01-21 Système de mesure de température corporelle WO2023140408A1 (fr)

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KR1020220009527A KR20230113077A (ko) 2022-01-21 2022-01-21 체온 측정 시스템
KR10-2022-0009527 2022-01-21

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KR20160015785A (ko) * 2014-07-31 2016-02-15 삼성전자주식회사 비접촉 체온 측정 시 정확도를 향상시키기 위한 장치 및 방법
KR101978264B1 (ko) * 2019-01-24 2019-08-23 (주)아이피캠프 비접촉식 체온 모니터링 시스템
CN111751001A (zh) * 2019-03-26 2020-10-09 奇酷互联网络科技（深圳）有限公司 温度检测方法、存储介质及移动终端
KR20210114704A (ko) * 2020-03-11 2021-09-24 경성대학교 산학협력단 열화상 카메라를 이용한 사람 객체별 체온 감지 및 추적 방법
KR102310915B1 (ko) * 2020-05-18 2021-10-08 주식회사 아하정보통신 출입자의 마스크 탐지 및 체온 보정을 이용한 인공지능 기반 스마트패스 시스템
KR20220058364A (ko) * 2020-10-30 2022-05-09 주식회사 대호 체온 측정 시스템

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