Wearlab Beach Volleyball Serves and Games

A dataset of beach volleyball serves movements annotated in 4 types (i.e. long float, long top spin, short float, short top spin) and free games. The dataset comprises the data of 10 users in 4 sessions, recorded using 4 inertial sensors per user.本数据集涵盖两类数据：其一为标注有4种类型的沙滩排球发球动作数据，该4类发球分别为长飘球、长上旋球、短飘球、短上旋球；其二为自由比赛数据。该数据集收录了10名参与者在4次采集会话中的数据，每名参与者均使用4台惯性传感器（inertial sensor）完成数据采集。