WO2023202036A1 - Procédé et système de commande de détection de caractéristique de corps humain, et support de stockage - Google Patents

Procédé et système de commande de détection de caractéristique de corps humain, et support de stockage Download PDF

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Publication number
WO2023202036A1
WO2023202036A1 PCT/CN2022/130203 CN2022130203W WO2023202036A1 WO 2023202036 A1 WO2023202036 A1 WO 2023202036A1 CN 2022130203 W CN2022130203 W CN 2022130203W WO 2023202036 A1 WO2023202036 A1 WO 2023202036A1
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WIPO (PCT)
Prior art keywords
height
target person
detection
human body
minimum
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PCT/CN2022/130203
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English (en)
Chinese (zh)
Inventor
丁万超
肖成进
Original Assignee
青岛海尔空调电子有限公司
青岛海尔空调器有限总公司
海尔智家股份有限公司
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Publication of WO2023202036A1 publication Critical patent/WO2023202036A1/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
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section

Definitions

  • the invention relates to the field of smart home technology, and specifically provides a detection and control method, system and storage medium for human body characteristics.
  • the method of fixing the radar installation height is usually used to assist in calculating the height of the person being detected. height to determine whether the person being detected is an adult or a child.
  • This method is common for equipment with a fixed installation height such as air conditioners and cabinets.
  • the installation height of home appliances such as hangers or air duct machines will vary depending on the room structure. For different home appliances that have different installation heights, it is usually necessary to manually set the installation height of the home appliances, or to limit the installation height of the home appliances in order to obtain the height of the person being detected.
  • the present invention is proposed to provide a human body feature detection and control method, system and storage medium that solves or at least partially solves the technical problems of complex and low accuracy in obtaining the height of the person being detected by some home appliances.
  • the present invention provides a method for detecting human body characteristics.
  • a detection device for detecting human body characteristics is provided with a radar sensor and a distance sensor; the distance between the radar sensor and the distance sensor has a set height. Poor; the methods include:
  • the target person enters the monitoring area of the radar sensor, obtain the minimum height of the target person from the radar sensor;
  • the first height of the target person is determined based on the minimum height of the target person from the radar sensor, the height difference, and the installation height of the detection device collected by the distance sensor.
  • the above-mentioned detection method of human body characteristics also includes:
  • the second height of the target person is determined based on the installation height of the detection device and the minimum height between the target person and the distance sensor.
  • the above-mentioned detection method of human body characteristics also includes:
  • the radar parameters of the radar sensor are adjusted.
  • the above-mentioned detection method of human body characteristics adjusts the radar parameters of the radar sensor, including:
  • the distance detection coefficient in the radar parameters is adjusted according to the minimum height of the target person from the distance sensor and the minimum original detection height.
  • the above-mentioned human body feature detection method adjusts the distance detection coefficient in the radar parameters according to the minimum height of the target person from the distance sensor and the minimum original detection height, including:
  • the above-mentioned method for detecting human body characteristics determines the first height of the target person based on the minimum height of the target person from the radar sensor, the height difference and the installation height of the detection equipment, include:
  • the minimum height of the target person from the radar sensor, the height difference and the installation height of the detection equipment are substituted into the preset height detection calculation formula to calculate, and the first height of the target person is obtained;
  • the preset height detection calculation formula is:
  • the h 1 represents the first height of the target person
  • the d 1max represents the installation height of the detection equipment
  • the A represents the height difference
  • the d 2min represents the distance between the target person and the Minimum height of radar sensor.
  • the collection process of the installation height of the detection equipment includes:
  • the height between the at least one target object and the distance sensor is collected by the distance sensor as a candidate height
  • the present invention provides a human body feature detection system, including a processor and a storage device.
  • the storage device is adapted to store a plurality of program codes.
  • the program codes are adapted to be loaded and run by the processor. Perform any one of the human body feature detection methods described above.
  • the detection equipment includes a duct-type air conditioner and/or a wall-mounted air conditioner.
  • a computer-readable storage medium which stores a plurality of program codes, and the program codes are suitable for being loaded and run by a processor to execute any one of the above technical solutions. Detection methods of human body characteristics.
  • the distance sensor can be used to automatically obtain the installation height of the detection equipment, avoiding the need to manually set the installation height of the detection equipment, and simplifying the acquisition of the installation height of the detection equipment. process, and there is no need to limit the installation height of home appliances. It only needs to use the minimum height of the target person from the radar sensor, the height difference and the detection collected by the distance sensor when the target person enters the monitoring area of the radar sensor. The first height of the target person can be accurately calculated based on the installation height of the device.
  • the height of the person being detected can be obtained simply and reliably, and then the type of the person being detected can be obtained.
  • Figure 1 is a schematic structural diagram of a detection device 1 for detecting human body characteristics according to an embodiment of the present invention
  • Figure 2 is a schematic flowchart of the main steps of a human body feature detection method according to an embodiment of the present invention
  • Figure 3 is a schematic flowchart of the main steps of a human body feature detection method according to another embodiment of the present invention.
  • Figure 4 is a main structural block diagram of a human body feature detection device according to an embodiment of the present invention.
  • module and “processor” may include hardware, software, or a combination of both.
  • a module can include hardware circuits, various suitable sensors, communication ports, and memory. It can also include software parts, such as program code, or it can be a combination of software and hardware.
  • the processor may be a central processing unit, a microprocessor, an image processor, a digital signal processor, or any other suitable processor.
  • the processor has data and/or signal processing functions.
  • the processor can be implemented in software, hardware, or a combination of both.
  • Non-transitory computer-readable storage media include any suitable media that can store program code, such as magnetic disks, hard disks, optical disks, flash memory, read-only memory, random access memory, etc.
  • a and/or B means all possible combinations of A and B, such as just A, just B, or A and B.
  • the terms "at least one A or B” or “at least one of A and B” have a similar meaning to “A and/or B” and may include just A, just B or A and B.
  • the singular forms “a” and “the” may also include the plural form.
  • Figure 1 is a schematic structural diagram of a detection device 1 for detecting human body characteristics according to an embodiment of the present invention.
  • the detection device 1 can include a duct-type air conditioner or a wall-mounted air conditioner.
  • At least one of ceiling-mounted central air conditioners can also be other wall-mounted equipment, and no examples are given here.
  • the radar sensor 2 and the distance sensor 3 can be respectively installed on the detection device 1 according to the set height difference.
  • the radar sensor 2 is used to collect the distance between moving persons within its monitoring range and the radar sensor 2
  • the distance sensor 3 is used to collect at least one target object and at least one target object located in the monitoring area of the distance sensor 3 on the ground.
  • the height between the distance sensors 3 is used as a candidate height, so that the controller in the detection device 1 can select the maximum candidate height from at least one candidate height as the installation height of the detection device 1 .
  • the installation height of the detection equipment 1 is d 1max in Figure 1.
  • FIG 2 is a schematic flowchart of the main steps of a human body feature detection method according to an embodiment of the present invention.
  • the human body feature detection method in the embodiment of the present invention mainly includes the following steps 201 to 202.
  • Step 201 If the target person enters the monitoring area of the radar sensor, obtain the minimum height of the target person from the radar sensor;
  • the radar sensor can be used to detect whether there is a target person entering the monitoring area. If the target person enters the monitoring area of the radar sensor, the minimum height of the target person from the radar sensor can be obtained through the radar sensor. .
  • the radar sensor may be a millimeter radar sensor.
  • the target person since the target person may detect the height of different parts of the human body from the radar sensor while moving, and the required height is the height of the person's head from the radar sensor, which is the minimum, therefore, it is necessary to obtain the target person.
  • Minimum height from the radar sensor The minimum height of the target person from the radar sensor is d 2min in Figure 1.
  • Step 202 Determine the first height of the target person based on the minimum height of the target person from the radar sensor, the height difference, and the installation height of the detection device collected by the distance sensor.
  • the minimum height of the target person from the radar sensor, the height difference and the installation height of the detection equipment can be substituted into a preset height detection calculation formula for calculation to obtain the target
  • the first height of the person so that the type of the target person, such as an adult or a child, can be determined based on the first height of the target person.
  • the preset height detection calculation formula (1) is:
  • the h 1 represents the first height of the target person
  • the d 1max represents the installation height of the detection equipment
  • the A represents the height difference
  • the d 2min represents the distance between the target person and the Minimum height of radar sensor.
  • the human body feature detection method of this embodiment can use the distance sensor to automatically obtain the installation height of the detection equipment by arranging a distance sensor on the detection equipment, avoiding the need to manually set the installation height of the detection equipment, and simplifying the installation height of the detection equipment.
  • the acquisition process does not need to limit the installation height of home appliances. It only needs to use the minimum height of the target person from the radar sensor, the height difference and the distance collected by the distance sensor when the target person enters the monitoring area of the radar sensor.
  • the first height of the target person can be accurately calculated.
  • the height of the person being detected can be obtained simply and reliably, and further the type of the person being detected can be obtained.
  • FIG 3 is a schematic flowchart of the main steps of a human body feature detection method according to another embodiment of the present invention.
  • the human body feature detection method in the embodiment of the present invention mainly includes the following steps 301 to 306.
  • Step 301 If the target person enters the monitoring area of the radar sensor, obtain the minimum height of the target person from the radar sensor;
  • step 201 of the above embodiment which will not be described again here.
  • Step 302 Determine the first height of the target person based on the minimum height of the target person from the radar sensor, the height difference, and the installation height of the detection device collected by the distance sensor;
  • step 202 of the above embodiment which will not be described again here.
  • Step 303 If it is detected that the target person is located in the monitoring area of the distance sensor on the ground, obtain the minimum height between the target person and the distance sensor;
  • the target person may continue to move to the monitoring area where the distance sensor is on the ground.
  • the distance sensor can detect the height between the target person and the target person. Different postures may exist within the monitoring area, so that multiple heights between the distance sensor and the target person can be detected.
  • the height between the target person and the distance sensor is minimum, the accurate height of the target person can be reflected. Therefore, the minimum height between the target person and the distance sensor can be obtained.
  • the minimum height between the target person and the distance sensor is d 1min in Figure 1 .
  • Step 304 Determine the second height of the target person based on the installation height of the detection device and the minimum height between the target person and the distance sensor;
  • the installation height of the detection device and the minimum height between the target person and the distance sensor can be substituted into the following height calculation formula to obtain the second height of the target person.
  • the height calculation formula (2) is:
  • h 2 represents the second height of the target person
  • d 1min represents the minimum height between the target person and the distance sensor.
  • Step 305 Determine the error between the first height of the target person and the second height of the target person;
  • the first height of the target person and the second height of the target person can be compared to obtain the difference between the first height of the target person and the second height of the target person. error.
  • Step 306 If the error exceeds the preset range, adjust the radar parameters of the radar sensor.
  • N represents the value corresponding to the preset range.
  • the ratio of the minimum height of the target person from the distance sensor to the minimum original detection height can be calculated according to the following adjustment calculation formula of the distance detection coefficient; Adjust the distance detection coefficient in the radar parameters to the ratio.
  • the output value of the radar sensor can be obtained by the following calculation formula (4):
  • d 2 represents the output value of the radar sensor
  • D 2 represents the original detection height of the radar sensor
  • ⁇ represents the distance detection coefficient
  • the distance detection coefficient can be calculated according to the following calculation formula (5):
  • D 2min represents the minimum original detection height among the original detection heights of the radar sensor.
  • the human body feature detection method in this embodiment detects the first height of the target person within the monitoring range of the radar sensor, and compares the two heights after the target person is at the second height of the distance sensor in the ground monitoring area. If the error between the two heights exceeds the preset range, the radar coefficient of the radar sensor is automatically corrected, ensuring that the height of the target person can be accurately detected.
  • the present invention also provides a device for detecting human body characteristics.
  • FIG. 4 is a main structural block diagram of a human body feature detection device according to an embodiment of the present invention.
  • the human body feature detection device according to the embodiment of the present invention may include an acquisition module 40 and a detection module 41 .
  • the acquisition module 40 is used to obtain the minimum height of the target person from the radar sensor if the target person enters the monitoring area of the radar sensor;
  • the detection module 41 is configured to determine the first height of the target person based on the minimum height of the target person from the radar sensor, the height difference, and the installation height of the detection device.
  • the minimum height of the target person from the radar sensor, the height difference and the installation height of the detection equipment can be substituted into a preset height detection calculation formula for calculation to obtain the target The first height of personnel;
  • the preset height detection calculation formula can be referred to the calculation formula (1), which will not be described again here.
  • the human body feature detection device of this embodiment can use the distance sensor to automatically obtain the installation height of the detection equipment by arranging a distance sensor on the detection equipment, avoiding the need to manually set the installation height of the detection equipment, and simplifying the installation height of the detection equipment.
  • the acquisition process does not need to limit the installation height of home appliances. It only needs to use the minimum height of the target person from the radar sensor, the height difference and the distance collected by the distance sensor when the target person enters the monitoring area of the radar sensor.
  • the first height of the target person can be accurately calculated.
  • the height of the person being detected can be obtained simply and reliably, and further the type of the person being detected can be obtained.
  • the acquisition module 40 is also used to acquire the minimum height between the target person and the distance sensor if it is detected that the target person is located in the monitoring area of the distance sensor on the ground;
  • the detection module 41 is also used to determine the second height of the target person based on the installation height of the detection device and the minimum height between the target person and the distance sensor.
  • the detection module 41 is also used to determine the error between the first height of the target person and the second height of the target person; if the error exceeds the preset range, the radar The radar parameters of the sensor are adjusted.
  • the minimum original detection height can be obtained from a plurality of original detection heights obtained by the radar sensor when detecting the target person; according to the minimum height of the distance sensor from the target person and the minimum The original detection height is used to adjust the distance detection coefficient in the radar parameters.
  • the ratio of the minimum height of the target person from the distance sensor to the minimum original detection height can be calculated; and the distance detection coefficient in the radar parameters is adjusted to the ratio.
  • the acquisition module 40 is also used to collect, through the distance sensor, the height between at least one target object and the distance sensor for at least one target object located in the monitoring area of the distance sensor on the ground as Candidate height: select the maximum candidate height from at least one candidate height as the installation height of the detection device.
  • the above-mentioned human body feature detection device is used to implement the human body feature detection method embodiment of the above embodiment.
  • the technical principles, technical problems solved and technical effects produced by the two are similar.
  • Those skilled in the art can clearly understand that , For the convenience and simplicity of description, the specific working process and related instructions of the human body feature detection device can be referred to the content described in the embodiment of the human body feature detection method, and will not be described again here.
  • the present invention can implement all or part of the process in the method of the above-mentioned embodiment, and can also be completed by instructing relevant hardware through a computer program.
  • the computer program can be stored in a computer-readable file. In the storage medium, when the computer program is executed by the processor, the steps of each of the above method embodiments can be implemented.
  • the computer program includes computer program code, which may be in the form of source code, object code, executable file or some intermediate form.
  • the computer-readable storage medium may include: any entity or device capable of carrying the computer program code, media, USB flash drive, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory, random access memory, electrical carrier wave signals, telecommunications signals, and software distribution media, etc.
  • computer-readable storage media Storage media does not include electrical carrier signals and telecommunications signals.
  • the present invention also provides a human body feature detection system.
  • the human body feature detection system includes a processor and a storage device.
  • the storage device can be configured to store a program for executing the human body feature detection method of the above method embodiment.
  • the processor It may be configured to execute a program in the storage device, which program includes but is not limited to a program that executes the human body feature detection method of the above method embodiment.
  • the human body feature detection system may be a human body feature detection device including various electronic devices.
  • the present invention also provides a computer-readable storage medium.
  • the computer-readable storage medium may be configured to store a program for executing the human body feature detection method of the above method embodiment, and the program may be loaded and run by a processor to implement The detection method of the above human body characteristics.
  • the computer-readable storage medium may be a storage device formed by various electronic devices.
  • the computer-readable storage medium is a non-transitory computer-readable storage medium.
  • each module is only to illustrate the functional units of the device of the present invention
  • the physical devices corresponding to these modules may be the processor itself, or a part of the software in the processor, a part of the hardware, or Part of the combination of software and hardware. Therefore, the number of individual modules in the figure is only illustrative.

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Abstract

Un procédé et un système de commande de détection de caractéristique de corps humain, et un support de stockage. Le procédé comprend les étapes consistant à : si une personne cible entre dans une zone de surveillance d'un capteur radar, acquérir la hauteur minimale de la personne cible au moyen du capteur radar (S201) ; et déterminer une première hauteur de la personne cible en fonction de la hauteur minimale de la personne cible au moyen du capteur radar, d'une différence de hauteur et de la hauteur de montage d'un dispositif de détection qui est collectée au moyen d'un capteur de distance (S202). Grâce à la solution technique, une acquisition automatique de la hauteur de montage du dispositif de détection est obtenue, un réglage manuel de la hauteur de montage du dispositif de détection est évité, le processus d'acquisition de la hauteur de montage du dispositif de détection est simplifié, et la hauteur de montage d'un appareil électroménager n'a pas besoin d'être limitée, de telle sorte que la hauteur d'une personne détectée peut être acquise de manière simple et fiable, et le type de la personne détectée est en outre acquis.
PCT/CN2022/130203 2022-04-22 2022-11-07 Procédé et système de commande de détection de caractéristique de corps humain, et support de stockage WO2023202036A1 (fr)

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CN202210431310.3 2022-04-22
CN202210431310.3A CN116973861A (zh) 2022-04-22 2022-04-22 人体特征的检测控制方法、系统和存储介质

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2016011915A (es) * 2016-09-14 2017-02-21 Secretaría De Educación Pública-Tecnológico Nac De México Dispositivo de monitoreo inalambrico de altura de un individuo.
US20170328997A1 (en) * 2016-05-13 2017-11-16 Google Inc. Systems, Methods, and Devices for Utilizing Radar with Smart Devices
CN108426348A (zh) * 2018-03-07 2018-08-21 广东美的制冷设备有限公司 立式空调器及其控制方法、以及计算机可读存储介质
US20200310549A1 (en) * 2019-03-29 2020-10-01 Tata Consultancy Services Limited Systems and methods for three-dimensional (3d) reconstruction of human gestures from radar based measurements
CN113357756A (zh) * 2020-03-03 2021-09-07 青岛海尔空调器有限总公司 空调器的智能人体感应控制方法及空调器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170328997A1 (en) * 2016-05-13 2017-11-16 Google Inc. Systems, Methods, and Devices for Utilizing Radar with Smart Devices
MX2016011915A (es) * 2016-09-14 2017-02-21 Secretaría De Educación Pública-Tecnológico Nac De México Dispositivo de monitoreo inalambrico de altura de un individuo.
CN108426348A (zh) * 2018-03-07 2018-08-21 广东美的制冷设备有限公司 立式空调器及其控制方法、以及计算机可读存储介质
US20200310549A1 (en) * 2019-03-29 2020-10-01 Tata Consultancy Services Limited Systems and methods for three-dimensional (3d) reconstruction of human gestures from radar based measurements
CN113357756A (zh) * 2020-03-03 2021-09-07 青岛海尔空调器有限总公司 空调器的智能人体感应控制方法及空调器

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