TWM616358U - Radar detection and identification device - Google Patents

Abstract

A radar detection and identity recognition device includes at least one display host, at least one camera, and at least one radar detector, wherein the camera and the radar detector can perform mask face recognition after being photographed and detected Recognition with radar physiological detection to identify identity information and human physiological signals, and display them on the display host.

Description

Radar detection and identification device

This creation is about a radar detection and identity recognition device, which is a radar detection and identity recognition device that can recognize the identity information of a person wearing a mask and the physiological signal of the human body.

As the novel coronavirus pneumonia (COVID-19) epidemic continues to have a fever, and according to the 10 major symptoms announced by the WHO, "fever" is the most common symptom, and 87.9% of people infected will have a high body temperature. Other symptoms, such as sore throat, fatigue, general weakness, loss of smell and taste, are more difficult to observe from the general appearance. Unlike traditional colds, new coronary pneumonia is often accompanied by symptoms such as dyspnea and shortness of breath. Therefore, physiological sensing (respiration, heart rhythm) and remote body temperature sensing have become more feasible in practical epidemic prevention and in line with economic cost considerations.

The contact measurement method is accompanied by the risk of contact and infection. Non-contact measurement has become a solution to the current pain points of epidemic prevention. In addition, the current high-speed rail, Taiwan railway, highway system and post office must measure body temperature and confirm Whether to wear a mask. Even in schools, most of them have cooperated with epidemic prevention measures and started to take body temperature and wear masks.

Therefore, before the end of the epidemic, the above-mentioned needs will continue to exist. Therefore, in order to achieve the purpose of access control, attendance and maintenance of personnel health, if high-definition cameras and radar equipment can be used to accurately measure various physiological indicators of personnel in the area, avoid direct contact Therefore, this case combines the face recognition of the radar Vital Sign mask to locate the person, confirm the physiological indicators (such as whether it is short of breath) and whether to wear a mask, so as to achieve the goal of preventing epidemic infection. Therefore, this case Creation should be the best solution.

The creative radar detection and identification device includes at least one display host, at least one camera, and at least one radar detector, wherein the camera and the radar detector are arranged on either side or around the display host When the camera can take at least one media file and is recognized as an identity information, and the radar detector can detect a radar wave data and convert it into a human physiological signal information, and then the identity information and The human physiological signal information is displayed on the display host.

More specifically, the human physiological signal information is information on the number of breaths and heartbeats per minute.

More specifically, the radar detection and identification device is electrically connected to a server device, the server device has at least one processor and at least one computer readable recording medium, and the computers can read The recording medium stores one or more media files and radar wave data. The computer-readable recording medium further stores at least one application unit. When the application units are executed by the processors, the server device is The following procedure: In the activated application unit, the media file can be identified as the identity information and the radar wave data can be converted into the human physiological signal information, and then the identity information and the human physiological signal The information is sent to the display host and displayed.

More specifically, the application unit includes: an input module to input one or more media files and radar wave data; an identity information file module to create multiple identity information; and a face The file building module is connected to the identity information file module to create multiple face images wearing masks, where different face images correspond to different identity information; a face recognition module , Is connected with the input module and the face file module to identify whether the media file belongs to the stored face image, and select the corresponding identity information according to the face image; a radar The wave processing module is connected with the input module to perform waveform processing on the radar wave data and then convert the human physiological signal information; an information output module is connected to the face recognition module and The radar wave processing module is connected to transmit the identity information and the human physiological signal information to the display host for display.

More specifically, the radar detector uses millimeter wave radar technology for detection.

The other technical content, features and effects of this creation will be clearly presented in the following detailed description of the preferred embodiment with reference to the drawings.

Please refer to Figures 1~4, which are the schematic diagram of the device, the schematic diagram of the structure, the schematic diagram of the connected server device and the schematic diagram of the application program of the connected server device, as shown in Figure 1. It is shown that the radar detection and identification device 1 includes at least one display host 11, at least one camera 12, and at least one radar detector 13, wherein the camera 12 and the radar detector 13 are set on the display host 11 on either side or around, and the camera 12 can capture at least one media file and is recognized as an identity information, and the radar detector 13 can detect a radar wave data and convert it into a human physiological signal Information (respiration and heartbeat times per minute), and then display the identity information and the human physiological signal information on the display host 11.

This case can use the characteristics of millimeter-wave radar: the delay between transmission and reflection signals, to calculate the distance between the system and the object; at the same time, the speed of the object can be confirmed by measuring the corresponding phase difference. The high-performance radar system can track multiple targets moving at different speeds and trajectories, and because of its wide detection range, high accuracy, and weather resistance, it can be used as the cornerstone of many applications. Using the uniquely developed heart rhythm and breathing sensing algorithm, the feature of non-contact, 24-hour monitoring, can be used as an integrated use in various fields such as medical treatment, long-term care centers, and smart homes.

Regarding the face recognition of masks, the instructions are as follows: (1) Among them, face detection is the first step in the face recognition process, and it is also an indispensable step. The purpose of the face detection model is to detect faces in photos and image streams. Therefore, the input is an RGB image, and the output is a data combination of face coordinates (ROIs/regions of interest). (2) This case uses the latest technology (using the WIDER Face (Hard) data set) model for face detection, such as RetinaFace, a powerful face detection model that can simultaneously perform pixel-level faces through autonomous learning Detection. (3) Therefore, this case uses image recognition technology to collect various images with and without masks, and design two scenarios of "correctly worn" and "not worn", and multiple image data for computer interpretation. Combined with the face recognition system, it can accurately determine whether the target object is wearing a mask correctly.

In order to recognize the face of the mask and the physiological signal information of the human body, the radar detection and identification device 1 is electrically connected to a server device 2 which has at least one processor 21 and at least one computer readable Take the recording medium 22. The computer-readable recording medium 22 stores one or more media files and radar wave data. The computer-readable recording medium 22 further stores at least one application unit 221. When the application unit 221 is executed by the device 21, the server device 2 is caused to perform the following process: in the activated application unit 221, the media file can be identified as the identity information and the radar wave data can be converted The human physiological signal information is output, and then the identity information and the human physiological signal information are transmitted to the display host and displayed.

The application unit 221 includes: (1) An input module 2211 for inputting one or more media files and radar wave data; (2) An identity information file module 2212, which is used to create multiple identity information and store them as multiple identity information files; (3) A face file module 2213 is connected to the identity information file module 2212 to create multiple face images with and without masks (at least distinguish between correct and Three scenarios of not wearing well and not wearing), where different face images correspond to different identity information, and the created face image will be stored in the corresponding identity information file; (4) A face recognition module 2214, which is connected with the input module 2211 and the face file module 2213 to identify whether the media file belongs to a stored face image (mainly used to determine the mask Uncovered face area), and select the corresponding identity information according to the face image; (5) A radar wave processing module 2215, which is connected to the input module 2211, is used to perform waveform processing on the radar wave data, and then convert the human physiological signal information; (6) An information output module 2216 is connected to the face recognition module 2214 and the radar wave processing module 2215, and is used to transmit the identity information and the human physiological signal information to the display host 11 and perform show.

The implementation description of the radar detection and identification device 1 application in this case is as follows: (1) The radar detection and identification device 1 can first take a certain number of photos of the user, and then send the photos to the server device 2 for identification (step 101); (2) Perform identification judgment (step 102), the different situations are as follows: (a) If the server device 2 returns the identification failure or the authority does not match, the result of identification failure or authority inconsistency is displayed on the display host 11 (the screen stays for a certain period of time and automatically closes), and returns to step 101; (b) If the user does not wear a mask or does not wear a mask properly, a screen showing that the mask is not worn is displayed on the display host 11 (the screen stays for a certain period of time and automatically closes), and returns to step 101; (c) If the server device 2 is successfully identified, the radar detection screen is displayed on the display host 11, and the radar detector 13 is activated to collect radar data (step 103); (3) Determine whether the user has left the radar detection and identification device 1 within a certain period of time (step 104). The different situations are as follows: (a) If the same employee number (identity information) is not received within a short time after the radar detector 13 is activated, or the received employee number is different from the current employee number, the collected radar data will be directly Return to the server device 2 and not display it on the display host 11 (the returned data is reasonable radar data, the arithmetic average of the mode interval), and return to step 101; (b) If the user does not leave the radar detection and identification device 1 within a certain period of time after the radar detector 13 is activated, the collected radar data will be displayed on the display host 11, and the radar data will be displayed at the same time. The data is directly returned to the server device 2 (the returned data is reasonable radar data, and the arithmetic mean of the mode interval), and return to step 101.

The data that can be displayed on the display host 11 are as follows: (1) Identification result status (2) Welcome speech (3) User name (4) The user's employee number (5) User's photo (6) Identity color (7) Mask status (0: normal, 1: not worn or not worn well) (8) Respiration rate and heart rate (9) Detection status (0: detection completed, 1: insufficient time for data collection)

In this case, the breathing range (10-25 beats/min) and the heartbeat range (40-120 beats/min) can be set to define a reasonable radar data standard. If it is not within the range standard, it can be displayed on the host 11 Display a warning slogan or use a speaker to make a warning sound.

When compared with other conventional technologies, the radar detection and identification device provided by this creation has the following advantages: 1. This creation can accurately measure various physiological indicators of people in the area through high-quality cameras and radar equipment, avoiding the risk of infection of people in direct contact measurement. 2. This creation can be applied to the exclusively developed heart rhythm and respiration sensing algorithm, non-contact, 24 hours a day monitoring characteristics, can be used as a medical, long-term care center and smart home and other fields integrated use. 3. This creation combines the face recognition of radar Vital Sign masks to locate people, confirm physiological indicators (such as whether they are short of breath), and whether to wear a mask, so as to achieve the goal of preventing epidemic infection. 4. This creation uses radar Vital Sign mask face recognition, and if there is an abnormal state, it can quickly notify the epidemic prevention unit. AI image monitoring, real-name ticket purchase, and mobile phone location tracking solutions are used for potential specific objects that may bring the original. If a positive patient is confirmed, the area of influence can be quickly locked, and people who may be in contact with the confirmed person can be notified. Pay attention Physical health status and seek immediate medical attention. 5. This creation is mainly to recognize faces wearing masks and mask recognition technology. Compared with traditional face recognition, the technology in this case focuses more on facial feature recognition between the eyes in order to accurately recognize faces wearing masks. .

This creation has been disclosed above through the above-mentioned embodiments, but it is not used to limit this creation. Anyone familiar with this technical field with ordinary knowledge should understand the aforementioned technical features and embodiments of this creation, and understand the spirit and spirit of this creation. Within the scope, some changes and modifications are not allowed. Therefore, the scope of patent protection of this creation shall be subject to the definition of the claims attached to this specification.

1: Radar detection and identification device 11: Display host 12: Camera 13: Radar detector 2: server equipment 21: processor 22: Computer readable recording media 221: Application Unit 2211: Input module 2212: Identity information file module 2213: Face file module 2214: Face recognition module 2215: Radar wave processing module 2216: Information output module

[Picture 1] is the schematic diagram of the creative radar detection and identification device. [Figure 2] is a schematic diagram of the structure of this creative radar detection and identification device. [Figure 3] This is a schematic diagram of the structure of the server equipment connected to the creative radar detection and identification device. [Figure 4] This is a schematic diagram of the application structure of the server device connected to the creative radar detection and identification device.

1: Radar detection and identification device

11: Display host

12: Camera

13: Radar detector

Claims (5)

A radar detection and identification device includes at least one display host, at least one camera, and at least one radar detector, wherein the camera and the radar detector are arranged on either side or around the display host , And the camera can shoot at least one media file and after it is recognized as an identity information, and the radar detector can detect a radar wave data and convert it into a human physiological signal information, and then the identity information and the Human physiological signal information is displayed on the display host. The radar detection and identification device according to claim 1, wherein the human physiological signal information is information on the number of breaths and heartbeats per minute. For example, the radar detection and identification device described in claim 1 is further electrically connected to a server device which has at least one processor and at least one computer-readable recording medium, which can be read by the computer The recording medium stores one or more media files and radar wave data. The computer-readable recording medium further stores at least one application unit. When the application units are executed by the processors, the server device is The following procedure: In the activated application unit, the media file can be identified as the identity information and the radar wave data can be converted into the human physiological signal information, and then the identity information and the human physiological signal The information is sent to the display host and displayed. The radar detection and identification device according to claim 3, wherein the application unit includes: An input module for inputting one or more media files and radar wave data; An identity information file module for creating multiple identity information; A face file module is connected to the identity information file module to create multiple face images wearing masks, where different face images correspond to different identity information; A face recognition module is connected to the input module and the face file module to identify whether the media file belongs to a stored face image, and select the corresponding face image based on the face image Identity information A radar wave processing module is connected to the input module to perform waveform processing on the radar wave data and then convert the human physiological signal information; and An information output module is connected with the face recognition module and the radar wave processing module to transmit the identity information and the human physiological signal information to the display host for display. The radar detection and identification device according to claim 1, wherein the radar detector uses millimeter wave radar technology to perform detection.

Images