Two Stream Network for Stroke Detection in Table Tennis

Abstract

Figure 1: Pipeline method for stroke detection from videos. Cuboids of RGB and optical flow are fed to the network and classified as stroke or non-stroke. The feature dimension is described as follow: 𝑅𝐺𝐵𝑐ℎ𝑎𝑛𝑛𝑒𝑙𝑠 × 𝑡𝑒𝑚𝑝𝑜𝑟𝑎𝑙 × ℎ𝑒𝑖𝑔ℎ𝑡 × 𝑤𝑖𝑑𝑡ℎ.