Living body detection alarm device based on infrared camera
This liveness detection alarm device, which combines image and thermal radiation data acquired by an infrared camera, solves the problem of poor liveness detection performance in traditional monitoring systems that rely on visible light cameras. It enables accurate liveness detection in low-light or dark environments, reduces false alarm rates, and enhances the reliability of security systems.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SKYLAB M&C TECH
- Filing Date
- 2024-12-13
- Publication Date
- 2026-05-12
AI Technical Summary
Traditional surveillance systems rely on visible light cameras, but their performance is limited in low light or dark environments, making it difficult to accurately identify whether a disguised or stationary object is alive, thus affecting the effectiveness of the security system.
采用红外摄像头模块获取图像数据和热辐射数据,结合运动检测算法进行活体识别,并通过语音模块播放报警信息,利用Wi-Fi或4G通信模块与后台服务器连接,实现远程监控和报警。
It improves the efficiency of liveness detection, reduces the probability of false alarms, enhances the reliability of security systems, and provides technological flexibility, enabling real-time voice alerts and remote monitoring.
Smart Images

Figure CN224232249U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of monitoring system technology, specifically relating to a liveness detection alarm device based on an infrared camera. Background Technology
[0002] With the continuous advancement of technology, security monitoring systems have been widely applied in various fields. Traditional monitoring systems acquire area images through visible light cameras and detect personnel within the area through image recognition, enabling unmanned operation in places such as warehouses, vaults, museums, exhibition halls, and power plants, effectively protecting property and personnel safety.
[0003] Traditional surveillance systems primarily rely on visible light cameras for image acquisition, but camera performance is significantly limited in low-light or dark environments. Furthermore, traditional surveillance systems may struggle to accurately identify whether a disguised or stationary object is alive, thus impacting the effectiveness of the security system. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the defect of poor liveness detection performance caused by traditional monitoring systems relying on visible light cameras for image acquisition in the prior art, and thus provide a liveness detection alarm device based on an infrared camera.
[0005] A liveness detection alarm device based on an infrared camera includes a detection terminal and a backend server. The detection terminal includes a main control module, an infrared camera module, a voice module, a storage module, and a communication module. The main control module is connected to the infrared camera module, the voice module, the storage module, and the communication module. The infrared camera module is used to acquire image data and thermal radiation data. The voice module is used to play voice alarm information. The storage module is used to store image data and thermal radiation data. The communication module is used to connect the main control module to the backend server.
[0006] Furthermore, the communication module includes a Wi-Fi communication module for connecting the main control module and the backend server via a Wi-Fi network.
[0007] Furthermore, the communication module includes a 4G communication module for connecting the main control module and the backend server via a 4G network.
[0008] Furthermore, the main control module includes an MCU.
[0009] Furthermore, the detection terminal also includes a power supply module, which provides operating power to the detection terminal.
[0010] Furthermore, it includes multiple detection terminals and a backend server, with the backend server connected to each of the multiple detection terminals respectively.
[0011] Furthermore, the storage module includes an SD card.
[0012] Furthermore, the infrared camera module is connected to the main control module via USB.
[0013] Beneficial Effects: This utility model discloses a liveness detection alarm device, including a detection terminal and a backend server. The detection terminal includes a main control module, an infrared camera module, a voice module, a storage module, and a communication module. The infrared camera module can acquire image data and thermal radiation data. Based on detecting liveness through image data, it further realizes liveness identification and confirmation through thermal radiation data, effectively improving the efficiency of liveness identification, reducing the probability of false alarms, and enhancing the reliability of the security system. Simultaneously, the voice module plays voice alarm information, enabling real-time voice warnings to remind personnel to take action. Furthermore, the communication module connects to the backend server, realizing remote monitoring and alarm functions of the detection system. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic block diagram of the detection terminal structure of this utility model;
[0016] Figure 2 This is a schematic block diagram illustrating the connection structure between the detection terminal and the back-end server of this utility model. Detailed Implementation
[0017] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.
[0018] In the description of this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0019] Reference Figure 1 and Figure 2 As shown in the figure, this embodiment discloses a liveness detection alarm device based on an infrared camera, including a detection terminal and a backend server; the detection terminal includes a main control module, an infrared camera module, a voice module, a storage module, and a communication module; the main control module is connected to the infrared camera module, the voice module, the storage module, and the communication module respectively; the infrared camera module is used to acquire image data and thermal radiation data; the voice module is used to play voice alarm information; the storage module is used to store image data and thermal radiation data; the communication module is used to communicate between the main control module and the backend server.
[0020] Specifically, the communication module includes a Wi-Fi communication module for connecting the main control module and the backend server via a Wi-Fi network. As a further improvement of this embodiment, the communication module also includes a 4G communication module for connecting the main control module and the backend server via a 4G network, thereby enabling the device to be deployed in outdoor areas without Wi-Fi coverage, providing deployment flexibility. In some embodiments of this invention, the 4G communication module is also used to send alarm information to a designated person's mobile phone number via SMS.
[0021] In this embodiment, the main control module includes an MCU. The MCU controls and communicates with the infrared camera module, voice module, storage module, and communication module, and interacts with the backend server. Specifically, the MCU uses a motion detection algorithm to detect moving areas in image data and thermal radiation data. When a living person is detected, an alarm message is sent through the communication module, and the voice module plays an audio alarm message.
[0022] As a further improvement to this embodiment, the detection terminal also includes a power supply module, which provides operating power to the detection terminal. Preferably, the power supply module is a low-voltage DC power supply that directly powers the main control module, infrared camera module, voice module, storage module, and communication module.
[0023] In this embodiment, the system includes multiple detection terminals and a backend server, with the backend server connected to each of the detection terminals. The detection terminals are distributed across a monitoring area, allowing the entire monitoring area to be monitored and alarmed through a single backend server. Each detection terminal is assigned a device ID. The detection terminals periodically report their device ID, alarm information, and time to the backend server. The backend server issues instructions to the detection terminals based on the area corresponding to the device ID, and a corresponding voice module plays an audio alarm message, such as "Area 01 alarm, beep beep beep." Users can also view the alarm status of each area at different times, or view the monitoring footage from the detection terminals, through a web interface provided by the backend server.
[0024] As a preferred embodiment, the storage module includes an SD card. The SD card is easy to remove and replace, allowing staff to directly access the monitoring data from the corresponding detection terminal.
[0025] In this embodiment, the infrared camera module is connected to the main control module via USB.
[0026] The liveness detection alarm device disclosed in this embodiment includes a detection terminal and a backend server. The detection terminal includes a main control module, an infrared camera module, a voice module, a storage module, and a communication module. The infrared camera module can acquire image data and thermal radiation data. Based on detecting liveness through image data, it further realizes liveness identification and confirmation through thermal radiation data, effectively improving the efficiency of liveness identification, reducing the probability of false alarms, and enhancing the reliability of the security system. Simultaneously, the voice module plays voice alarm information, enabling real-time voice warnings to remind personnel to take action. Furthermore, the communication module connects to the backend server, realizing remote monitoring and alarm functions of the detection system.
[0027] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0028] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A liveness detection alarm device based on an infrared camera, characterized in that, The system includes a detection terminal and a backend server. The detection terminal comprises a main control module, an infrared camera module, a voice module, a storage module, and a communication module. The main control module is connected to the infrared camera module, the voice module, the storage module, and the communication module. The infrared camera module acquires image data and thermal radiation data. The voice module plays voice alarm information. The storage module stores the image data and thermal radiation data. The communication module connects the main control module to the backend server. The main control module includes an MCU, which uses a motion detection algorithm to detect moving areas in the image data and thermal radiation data. When a living object is detected, an alarm is sent via the communication module. The backend server is connected to multiple detection terminals distributed within a monitoring area. Each detection terminal reports its device ID, alarm information, and time to the backend server. The backend server issues commands to the detection terminals based on the area corresponding to the device ID and plays voice alarm information to the corresponding voice module.
2. The liveness detection alarm device based on an infrared camera according to claim 1, characterized in that, The communication module includes a Wi-Fi communication module, used to connect the main control module and the backend server via a Wi-Fi network.
3. The liveness detection alarm device based on an infrared camera according to claim 1, characterized in that, The communication module includes a 4G communication module, which is used to connect the main control module and the back-end server via a 4G network.
4. The liveness detection alarm device based on an infrared camera according to claim 1, characterized in that, The detection terminal also includes a power supply module, which provides operating power to the detection terminal.
5. A liveness detection alarm device based on an infrared camera according to claim 1, characterized in that, It includes multiple detection terminals and a back-end server, with the back-end server connected to each of the multiple detection terminals respectively.
6. A liveness detection alarm device based on an infrared camera according to claim 1, characterized in that, The storage module includes an SD card.
7. A liveness detection alarm device based on an infrared camera according to claim 1, characterized in that, The infrared camera module is connected to the main control module via USB.