Semantics of csv file columns and values ======================================== video_id -- id of the video file repetition_number -- number of repetition within given video exercise_id -- id of the exercise; description of exercises is provided on the main dataset page on Zenodo person_id -- id of exercising person first_frame -- number of the first frame of the repetition last_frame -- number of the last frame of the repetition cam17_orientation -- orientation of exercising person towards camera17, possible values are 'front', 'half-profile' and 'profile'; as camera18 was placed orthogonally to camera17, this also implies orientation of the person towards camera18 cam17 orientation -> cam18 orientation front -> side half-profile -> half-profile side -> front mocap_erroneous -- indication whether there is an error in mocap data (some markers not correctly detected) exercise_subtype -- for some exercises, we distinguish between right- and left-sided execution of the exercise lights_on -- indicates whether lights were switched on extra_person_in_cam17 -- indication whether extra persons or their parts appear in the camera17 recording; numerical values with the following semantics 0: no extra person visible 1: negligible part of extra person visible (e.g., part of hand in the edge of frame for a short period) 2: noticable part of extra person visible (such as whole arm for more than a few frames) 3: large part of extra person visible extra_person_in_cam18 -- indication whether extra persons or their parts appear in the camera17 recording; semantics same as above correctness -- indication whether given exercise repetition was performed correctly (1) or not (0)