Real-time compressed-domain spatiotemporal segmentation and ontologies for video indexing and retrieval

V. Mezaris, I. Kompatsiaris, N. V. Boulgouris, and M. G. Strintzis, "Real-time compressed-domain spatiotemporal segmentation and ontologies for video indexing and retrieval", IEEE Transactions on Circuits and Systems for Video Technology, Special Issue on Audio and Video Analysis for Multimedia Interactive Services, vol. 14, no. 5, pp. 606-621, May 2004.