Image Base Ball Speed Estimation for Tennis Video

Playing and watching tennis is a very popular activity all over the world. A lot of people watch tennis game in television. When people are watching a tennis game, they are interesting about the data of players. Usually, television and network just shows the time spending and point of a tennis game. They seldom provide other information, for example the ball speed in every time. This paper proposes an easy and cheap method to estimate ball speed. The result of this paper is not only increase funny but also can give players suggestion.