1. An apparatus for extracting spatio-temporal feature and detecting video copy based on the same in a broadcasting communication system, comprising: an original video feature extractor configured to receive an original video and extract spatio-temporal feature of the original video; an original video feature database configured to store the extracted feature; a query video feature extractor configured to receive a query video and extract spatio-temporal feature of the query video; and a feature comparison and decision unit configured to compare the spatio-temporal feature of the original video and the spatio-temporal feature of the query video and decide similarity of the original video and the query video based on the spatio-temporal features of the original video and the query video.