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Abstract: In recent years, the product form of cameras has been updated slowly. Due to the urgent need for real-time panoramic monitoring and close-up monitoring of large scenes, global cameras have emerged. It not only has the characteristics of wide monitoring range and long distance, but also its ability to capture details without interruption. It not only solves the problem that ordinary fixed-point cameras cannot obtain key feature information in video content, but also solves the problem of single use scene and capture efficiency of ordinary bayonet cameras. It is low and cannot solve the problem of collecting human features in outdoor open scenes, and the global camera makes the operation of monitoring personnel more convenient.
[CPS cps.com.cn] In recent years, the product form of cameras has been updated slowly. Due to the urgent need for real-time panoramic monitoring and close-up monitoring of large scenes, global cameras have emerged. It not only has the characteristics of wide monitoring range and long distance, but also its ability to capture details without interruption. It not only solves the problem that ordinary fixed-point cameras cannot obtain key feature information in video content, but also solves the problem of single use scene and capture efficiency of ordinary bayonet cameras. It is low and cannot solve the problem of collecting human features in outdoor open scenes, and the global camera makes the operation of monitoring personnel more convenient.
Usually in the traditional criminal investigation process, face information is the direct clue to the case, but the clue fault often occurs because it is difficult to capture. At this time, the more easily captured human body pictures and human body pictures with face information can be connected in time. Achieve comprehensive prevention and control. The product evaluated this time is the Hikvision iDS-2PT9122IX-D / S (4MM) (5-50MM) global camera. Take a look at the industry leader ’s in-depth understanding of global monitoring, the style of the product itself, and how it solves the above Traditional puzzle.
Unique exterior structure design
From the appearance of the product, we can see that the global camera takes silver gray as the main color, has a novel appearance, is small and exquisite, and consists of a fixed point lens and a moving point lens. The moving point lens can adjust the angle of view through an electric pan / tilt. It is understood that the horizontal field angle of the fixed-point lens is 92 °, the horizontal field angle of the moving-point lens is 210 °, and the vertical field angle is -22 ° -22 °, which is convenient for capturing details.
Rich interfaces for easy installation
Both lenses of this aircraft use 1 / 2.7 "Progressive ScanCMOS, the highest resolution and frame rate can reach 1920 × 1080 @ 60fps, which fully meets the needs of monitoring panoramas and capturing high-definition details. The moving point lens provides 10 times optical zoom and 16 Digital zoom, at the same time, in the early stage of product design, the speed of the moving point lens has been considered to be fast (up to the order of ms), so the rotation life control technology is adopted to ensure the overall life of the camera and improve the user experience.
Diversified data collection
The recognition of human features on the face has become a technology point that mainstream security companies pay close attention to. This can be seen from the 2016 Beijing Security Exhibition's scramble to launch human and car face recognition systems. The global camera we evaluated supports automatic detection of people and cars. As long as a target is found to enter the framed area, the fixed-point lens can be quickly detected, and the moving point lens can be fast-locked for snapping and positioning accurately. Based on deep learning algorithms, that is, through modeling, training and learning of tens of millions of samples of faces, human bodies, vehicles, etc., the algorithm has more accurate pattern recognition accuracy, strong Hang interference ability, and thousands of species characteristics Recognition ability, the global camera can realize the real-time detection, classification and recognition of moving targets (machine, non, human), and added secondary filtering measures to solve the problems of inaccurate targets and many wrong targets in traditional algorithms. In addition, the camera has a built-in GPS module, which can obtain the geographic location information of the camera.
Allows deep full coverage
The effective coverage of the global camera is larger and more flexible. It can collect continuous, high-quality, and analyzable pictures of human bodies and faces, which facilitates the back-end to more accurately analyze the features of human bodies and faces. Its effective distance is within 50 meters, which effectively solves the problem of human / face / vehicle / non-motor vehicle feature collection in outdoor open scenes.
Addicted to a kiss
It can be seen in the actual test of the open scene that Hikvision's global camera fixed-point monitoring screen can detect and frame moving targets in the open scene, and the moving point lens can be zoomed in to observe the target Details, and output the human body picture of the target. There are more than 200 pixels in a human body picture, which can not only meet the secondary analysis of human body costumes and movements. Among them, the captured frontal face pictures have an interpupillary distance of 40 pixels or more, which fully meets the secondary analysis of the human face. The global camera outputs the human picture stream to the back end, which effectively solves the problems of difficult structured information extraction and low analysis efficiency of the video stream from the back end.
Park entrance and exit scenes
Integrated design concept
In order to achieve the effect that the product can see both the whole and the clear, the integrated structural design is one of the highlights of the product. In addition, the product is easy to install and debug, and the single power supply, single network cable, and single IP access are the same as the traditional camera system architecture, and it is highly profitable. Support two security methods to achieve global monitoring of 360 ° lifting and 180 ° wall mounting. In addition, the software interface provided by this device has a fresh style, simple operation and rich functions. The function configuration of the setting interface is perfect.
The global camera conforms to the "front-end scientific deployment" guiding ideology, meets the refined design requirements of video surveillance front-ends, and creates new requirements for different video surveillance scenarios and environmental conditions. The product is based on the concept of integrated design, and a single product can see both full and clear. It uses deep learning algorithms to achieve full coverage extraction of moving human target pictures in the scene. The global camera outputs continuous, high-quality, and analyzable high-definition pictures, which solves the problem of collecting original high-definition materials and improves the accuracy and efficiency of intelligent analysis on the back end.
Although the global camera has been hot for more than 5 years, due to the previous technical bottlenecks, it is insufficient to maintain the clarity and accuracy of the image, and often the image distortion becomes small. And Hikvision's product is in the top of the industry in terms of structured design, snapping ability, intelligence and low light performance in the evaluation. It is believed that this product will gain more user reputation in future applications.
Yunnan Yunuo Technology Co., Ltd. Longchuan Branch (gh_f453cbc4b6e9)