Aamer Mohamed F. Khellfi Ying Weng Jianmin Jiang Stanley S. Ipson An efficient Image Retrieval through DCT Histogram Quantization. 237-240 2009 CW http://doi.ieeecomputersociety.org/10.1109/CW.2009.61 conf/cw/2009 db/conf/vw/cw2009.html#MohamedKWJI09