Wayne Niblack Ron Barber William Equitz Myron Flickner Eduardo H. Glasman Dragutin Petkovic Peter Yanker Christos Faloutsos Gabriel Taubin The QBIC Project: Querying Images by Content, Using Color, Texture, and Shape. 173-187 1993 Storage and Retrieval for Image and Video Databases (SPIE) db/conf/spieSR/spieSR93.html#NiblackBEFGPYFT93