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CN-121985212-A - Multi-path multi-target tracking and identifying license plate camera

CN121985212ACN 121985212 ACN121985212 ACN 121985212ACN-121985212-A

Abstract

The application relates to a multi-path multi-target tracking and identifying license plate camera, which relates to the technical field of intelligent traffic monitoring equipment and comprises a camera main body, a multi-path image acquisition component, a multi-target tracking processing module, an angle adjusting mechanism, a light supplementing component and a data transmission module. According to the application, through the cooperative work of the multipath image acquisition component and the multipath tracking processing module, the synchronous acquisition, tracking and recognition of multiple lanes and multiple targets are realized, the problems of target loss and recognition delay of the traditional single-path camera are solved, and the recognition efficiency and accuracy under a large traffic flow scene are greatly improved.

Inventors

  • CHENG LEI

Assignees

  • 浙江喜鹊云互联系统科技有限公司

Dates

Publication Date
20260505
Application Date
20260210

Claims (9)

  1. 1. A multi-path multi-target tracking and identifying license plate camera is characterized by comprising a camera main body (11), a multi-path image acquisition component (12), a multi-target tracking and processing module (13), an angle adjusting mechanism (14), a light supplementing component (15) and a data transmission module (16), wherein the multi-path image acquisition component (12) is uniformly distributed on the front end face of the camera main body (11) and is used for simultaneously acquiring image information of different lanes or areas, the multi-target tracking and processing module (13) is integrated inside the camera main body (11) and is electrically connected with the multi-path image acquisition component (12), the multi-target tracking and processing module (13) is used for synchronously processing acquired multi-path images to achieve dynamic tracking and license plate feature extraction and identification of multiple targets, the angle adjusting mechanism (14) is arranged at the rear end of the camera main body (11), the angle adjusting mechanism (14) is used for adjusting shooting angles and pitching angles of the camera main body (11), the light supplementing component (15) is arranged in one-to-one correspondence with the multi-path image acquisition component (12), the light supplementing component (15) is used for providing auxiliary light for transmitting and auxiliary light rays to the camera main body (11) when the auxiliary light is insufficient, and the data is transmitted to the integrated data tracking and identifying module (16) is used for transmitting data to the license plate recognition module (11) to the inside the license plate server.
  2. 2. The multi-path multi-target tracking recognition license plate camera according to claim 1, wherein the camera body (11) comprises a mounting seat (21) and a protective cover shell (22), the mounting seat (21) is detachably mounted on a fixed structure above a driving channel through an angle adjusting mechanism (14), the protective cover shell (22) is arranged on the mounting seat (21), and the multi-path image acquisition assembly (12), the multi-target tracking processing module (13), the light supplementing assembly (15) and the data transmission module (16) are all arranged in the protective cover shell (22), and a heat insulation buffer layer is arranged on the inner wall of the protective cover shell (22).
  3. 3. The multi-path, multi-target tracking license plate camera of claim 2, wherein the angle adjustment mechanism (14) comprises: The fixed seat (31) is detachably connected with a fixed structure above the driving channel through an expansion bolt; The first adjusting motor (32), the first adjusting motor (32) is arranged on the fixed seat (31); A first gear (33), wherein the first gear (33) is arranged on an output shaft of the first adjusting motor (32); the first rotating shaft (34) is rotatably arranged on the fixed seat (31); A second gear (35), the second gear (35) being provided on the first rotation shaft (34) and being meshed with the first gear (33); An assembly seat (36), wherein the assembly seat (36) is arranged on the first rotating shaft (34); The second rotating shaft (37) is rotatably arranged on the assembly seat (36), the axial direction of the second rotating shaft (37) is perpendicular to the first rotating shaft (34), and the protective housing (22) is arranged on the second rotating shaft (37); And the second adjusting motor (38), the second adjusting motor (38) is arranged on the assembly seat (36) and the output shaft is connected with the second rotating shaft (37).
  4. 4. The multi-path multi-target tracking recognition license plate camera according to claim 2, wherein the multi-path image acquisition assembly (12) comprises at least 3 high-definition cameras (23), each high-definition camera (23) corresponds to one monitoring lane, the high-definition cameras (23) are arranged on a camera main body (11), a rotating assembly (4) is arranged on the camera main body (11), and the rotating assembly (4) is used for adjusting the lens angle of the high-definition cameras (23).
  5. 5. The multi-path multi-target tracking recognition license plate camera according to claim 4, wherein the rotating assembly (4) comprises a micro adjusting motor (41), a driving gear (42), a driven gear (43) and a lens mounting seat (44), the lens mounting seat (44) is rotatably arranged on the camera body (11), the high-definition camera (23) is fixed on the lens mounting seat (44), the micro adjusting motor (41) is arranged inside the camera body (11), the driving gear (42) is arranged on an output shaft of the micro adjusting motor (41), and the driven gear (43) is arranged on a rotating shaft of the lens mounting seat (44) and meshed with the driving gear (42).
  6. 6. The multi-path multi-target tracking recognition license plate camera according to claim 1, wherein the multi-target tracking processing module (13) comprises an FPGA chip, a DSP processor and a deep learning algorithm module, the FPGA chip is used for synchronously caching and preprocessing multi-path image data, the DSP processor is used for realizing multi-target motion track prediction and tracking, and the deep learning algorithm module is pre-stored with a license plate recognition model and used for extracting and recognizing features of a license plate image of a tracked target.
  7. 7. The multi-path multi-target tracking recognition license plate camera according to claim 1, wherein the light supplementing assembly (15) comprises LED light supplementing lamps (51) and light sensors (52), the LED light supplementing lamps (51) and the high-definition camera (23) are arranged on the front end face of the camera main body (11) in one-to-one correspondence, the light sensors (52) are arranged on the outer side of the protective housing (22) and are electrically connected with the LED light supplementing lamps (51), and the light sensors (52) are used for detecting the intensity of ambient light and controlling the LED light supplementing lamps (51) to be turned on, turned off and brightness to be adjusted according to detection results.
  8. 8. The multi-path multi-target tracking recognition license plate camera according to claim 1, wherein the data transmission module (16) comprises a wired transmission unit and a wireless transmission unit, the wired transmission unit adopts a gigabit Ethernet interface and is used for establishing stable connection with a back-end server through a network cable, and the wireless transmission unit comprises a 4G/5G module and a WiFi module and is used for realizing wireless transmission of data under the condition of no network cable laying.
  9. 9. The multi-path multi-target tracking and identifying license plate camera according to claim 2 is characterized in that a heat dissipation assembly (6) is further arranged inside the camera body (11), the heat dissipation assembly (6) comprises heat dissipation fins (61) and miniature heat dissipation fans (62), the heat dissipation fins (61) are attached to the surface of the multi-target tracking and processing module (13), the miniature heat dissipation fans (62) are arranged on the inner side wall of the protective housing (22), vent holes are formed in the side wall of the protective housing (22), and dust-proof screens (63) are arranged at the vent holes.

Description

Multi-path multi-target tracking and identifying license plate camera Technical Field The application relates to the technical field of intelligent traffic monitoring equipment, in particular to a multi-path multi-target tracking and identifying license plate camera. Background The method solves the problems that the traditional manual management is low in efficiency, safety is insufficient, data cannot be traced, and the like, and the license plate recognition camera is arranged on a road and is conventional in traffic management, so that the license plate recognition camera is widely applicable to multiple scenes such as public safety, traffic management, property management, business service and the like. However, the traditional license plate recognition cameras are mostly in a single-way acquisition and single-target tracking mode, and are difficult to accurately track and license plate recognition on multiple lanes and multiple moving targets at the same time under the scenes of large traffic flow at intersections, parking lot entrances and exits and the like, so that the situations of target loss, recognition delay or misrecognition are easy to occur. Disclosure of Invention In order to realize multi-path simultaneous acquisition and multi-target accurate tracking and identification, expand monitoring coverage and improve identification efficiency and accuracy, the application provides a multi-path multi-target tracking and identification license plate camera. The application provides a multi-path multi-target tracking and identifying license plate camera, which adopts the following technical scheme: the multi-path multi-target tracking and identifying license plate camera comprises a camera body, a multi-path image acquisition component, a multi-target tracking processing module, an angle adjusting mechanism, a light supplementing component and a data transmission module, wherein the multi-path image acquisition component is uniformly distributed on the front end face of the camera body and is used for simultaneously acquiring image information of different lanes or areas, the multi-target tracking processing module is integrated inside the camera body and is electrically connected with the multi-path image acquisition component, the multi-target tracking processing module is used for synchronously processing acquired multi-path images to achieve dynamic tracking of multiple targets and license plate feature extraction and identification, the angle adjusting mechanism is arranged at the rear end of the camera body and is used for adjusting shooting angles and pitching angles of the camera body, the light supplementing component is arranged in one-to-one correspondence with the multi-path image acquisition component and is used for providing auxiliary illumination when light is insufficient, the data transmission module is integrated inside the camera body and is used for transmitting identified license plate information and target tracking data to a rear-end server. By adopting the technical scheme, the multi-path image acquisition assembly can synchronously cover a plurality of lanes or monitoring areas, breaks through the limitation of traditional single-path acquisition, the multi-target tracking processing module realizes synchronous processing of multi-path images and multi-target accurate tracking through hardware cooperation and algorithm optimization, greatly improves the recognition efficiency, the angle adjusting mechanism can flexibly adjust the overall shooting angle of the camera, the light supplementing assembly adapts to different light environments, the data transmission module supports a plurality of transmission modes, and the stable operation and the high-efficiency data transmission of the equipment under complex scenes are jointly ensured. Optionally, the camera main part includes mount pad and protection housing, the mount pad passes through angle adjustment mechanism demountable installation on the fixed knot of driving passageway top constructs, the protection housing sets up on the mount pad, multichannel image acquisition subassembly, multi-objective tracking processing module, light filling subassembly and data transmission module teach all setting up in the protection housing, the inner wall of protection housing is equipped with thermal-insulated buffer layer. By adopting the technical scheme, the detachable connection design of the mounting seat and the angle adjusting mechanism is convenient for the installation, the disassembly and the maintenance of equipment, the protective housing plays a physical protection role on the inner core component to avoid the corrosion of external dust, rainwater and the like, the heat insulation buffer layer of the inner wall is made of silica gel, so that the influence of external temperature change on the internal electronic element can be reduced, the buffer protection role can be played when the equipment is slightly collided, and t