Design And Implementation Of Sports Vedio Recording And Analysis System Based On Augmented Reality

At present,motion analysis software has been applied in various sports projects,promoting sports science and tactical precision,but the sports video analysis software which is more professional on the market,such as dartfish,requires hardware devices such as high-speed cameras or infrared devices as assistance,which can not be effectively promoted.Therefore,the author of this thesis designs and implements a motion video recording and analysis system based on Augmented Reality on the mobile client,which can record and analyze the motion video using the limited hardware conditions of the mobile terminal and obtain the character angle characteristics.The application of motion video analysis function can directly and quickly feedback sports data to athletes and coaches in the field of competitive sports,so that athletes can maintain and improve their competitiveness.This thesis first introduces the research background and significance,and clarifies the research content and objectives.In order to solve the problem of three-dimensional angular feature measurement of the characters encountered in the process of motion video analysis,the thesis proposes a measurement method based on augmented reality technology.Based on the abundant sensor data provided by mobile terminals and augmented reality technology,a tool for measuring the angle characteristics of human in three-dimensional space is designed and implemented,which can capture the angle of human in real-time motion process.In chapter 3,an AR measurement tool attitude compensation algorithm based on sensor data is proposed.Besides,the accuracy of the tool and algorithm are analyzed and evaluated.Based on the above algorithm,this thesis designs and implements a sports video recording and analysis system based on augmented reality,including the requirement analysis,outline design and detailed design of the system,and then tests the whole system.Finally,the work of the thesis is summarized and prospected.Through the analysis of the system test results,it is proved that the system can realize the recording and analysis function of the motion video,and the character angle feature is obtained in real time while the video is recorded,and has high precision.The system meets the requirements in terms of function and performance,and solves the key problem of motion analysis in the mobile client.