PLAYFIELD DETECTION AND SHOT CLASSIFICATION IN SPORTS VIDEO

摘要

A method of classifying the shot type of a video frame, comprising loading a frame, dividing the frame into field pixels and non-field pixels based on a first playfield detection criteria, determining an initial shot type classification using the number of the field pixels and the number of the non-field pixels, partitioning the frame into one or more regions based on the initial classification, determining the status of each of the one or more regions based upon the number of the field pixels and the non-field pixels located within each the region, and determining a shot type classification for the frame based upon the status of each the region.

主权项

1. A method of classifying the shot type of a video frame, comprising:
loading a frame comprising a plurality of pixels into memory; dividing said frame into field pixels and non-field pixels based on a first playfield detection criteria; determining an initial shot type classification using the number of said field pixels and the number of said non-field pixels; partitioning said frame into one or more regions based on said initial classification; determining the status of each of said one or more regions based upon the number of said field pixels and said non-field pixels located within each said region; and determining a shot type classification for said frame based upon said status of each said region.