Daniele Borghesani Costantino Grana Rita Cucchiara Color Features Performance Comparison for Image Retrieval. 902-910 2009 ICIAP http://dx.doi.org/10.1007/978-3-642-04146-4_96 conf/iciap/2009 db/conf/iciap/iciap2009.html#BorghesaniGC09