The purpose of the project is to provide visualization techniques for surveillance monitoring and information investigation around the territorial sea base point, offshore exploration platforms, and related sensitive areas in China. The first set of visual omni-directional target detection and recognition devices applied to marine buoys developed in China has innovatively adopted panoramic and regular vision to constitute a heterogeneous dual-scale dynamic observation system, effectively integrating the panoramic vision imaging system and the conventional visual system optical focusing, The clear observation and many other advantages have broken through the key technologies such as visual detection of remote targets under the dynamic conditions of the marine environment, coordination and control of panoramic vision and conventional vision systems, and remote small target recognition, providing an important platform for the visual situation awareness of the sea based on the marine environment dynamic platform. Situation monitoring and visual information inquiry techniques.
The catadioptric panoramic vision system used in the project has a 360-degree field of view and integration of imaging. Compared with other rotating panoramic systems that achieve the same field of view, the panorama panoramic system, and the wide-angle panorama system, the imaging quality is high. No delay, no parallax, small distortion, high resolution and high precision, and significantly improve the system's fit on the buoy. In terms of image processing methods, aiming at the imaging characteristics of the system in the sea area environment, breakthrough dynamic skyline detection, remote small target recognition, and heterogeneous dual-scale vision system collaborative control technology have significantly improved the success rate of target detection and the fineness of target observation. .
The marine buoy omnidirectional image target detection and identification system has the functions of large field of view, long distance, high-precision target detection, sea target recognition, and wireless remote transmission of alarms and forensics images. It can operate autonomously and reliably for a long time on the buoy platform, effectively improving the buoy surroundings. The monitoring effect of sights within a certain distance range provides a way for the discovery, monitoring, and tracking of China’s maritime surveillance authorities to perform cruise surveillance, investigate and infringe violations of maritime rights and other illegal activities, and enforce rights enforcement and investigation and evidence collection. The effective technical means for the foreign infringement targets and behaviors of warrants has significantly improved the technical level of marine law enforcement.
The research results have filled the gaps in the visual automatic identification and early warning of large-scale sea areas based on the marine environment dynamic platform, and the overall technical level has reached the international advanced level. Acquired 4 invention patents authorized by independent intellectual property rights and published 26 academic papers.
(Original title: Our school successfully developed the first set of domestic buoys for omnidirectional image target detection and identification systems in China)
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