This thesis was completed under the

This thesis was completed under the cordial care and careful guidance of my professor Wu Wenliang . From the choice of the topic to the final completion of the thesis, professor Wu has always given careful guidance and unremitting support. After all, "by the teacher easy to get, the teacher difficult to ask", I hope to take this opportunity to show the most heartfelt thanks to the teacher! At the same time, the writing of the film graduation thesis has also been Chen Yuyao, Su Qiuyan and other students warm help. Thank you for working closely with my classmates throughout the graduation design period, and the partners who have given me help in all aspects, here again, I sincerely thank my teachers and classmates who have helped me!