Research Of Self Stabling System With The Function Of Visual Tracking Used In Yuntai

Recent years,with the rapid development of computer technology,the technologyof automatic control, image processing, data transmission which used in the field ofUAV vision tracking updated quickly,the function of UAV visual is more perfect.Today, the UAV with the capable of automatically tracking low-altitude target is highlyconcerned by the domestic and foreign experts. UAV automatic target tracking systemcan be widely applied in guidance, terrorism, road troubleshooting, disaster relief andother fields. So research a kind of video capture system with the function of targetdetection and automatically maintain a stable position video equipment is Meaningful.This paper based on the reference video surveillance systems and unmannedaerial vehicles at home and abroad. Proposed a self-stable visual tracking PTZ controlsystem. It has the following features: automatic identification of dynamic movingtarget、automatic control of the camera according to the target so that the target isalways in the center of the camera screen、the results of target identification to passthrough a ground station data link technology.According to the functional we design ofthe following modules: PTZ execution module that motor control module, PTZ stabledetection module parameters, Target recognition and image positioning module.The PTZ in this design used two Two-phase hybrid stepping motor as rotatingactuator.The design used subdivision driver chip driven approach to subdivisionstepper motor control. This driver IC used STM32103Z as arithmetic processor. Thismethod is simple and easy to achieve and anti-jamming; this design used S3C2440asvideo processing module. In the operating system on which the transplantlinux2.6,Then use open source libraries such as jRTPlib、Xvid、OpenCV to Achievetarget detection and target tracking. In the same time, video processing moduleaccording to target detection results sends control command to STM32103Z throughSerial ports.The visual tracking PTZ system designed in this article has achieved the expectedgoals and achieved spinning hassle two degrees of freedom, researched and proofedVideo capture and tracking algorithm, Cascade completed the image processingmodule and the data communication with the motor drive module, enhanced thestability, intelligence, accuracy of the video capture system, get better results.