Caliph & Emir are MPEG-7 based Java prototypes for digital photo and image annotation and retrieval supporting graph like annotation for semantic metadata and content based image retrieval using MPEG-7 descriptors.
The LIRE (Lucene Image REtrieval) library a simple way to create a Lucene index of image features for content based image retrieval (CBIR). The used features are taken from the MPEG-7 Standard: ScalableColor, ColorLayout and EdgeHistogram. Furthermore met
B. V, A. Unnikrishnan, and K. Balakrishnan. International Journal of Computer Science, Engineering and Information Technology (IJCSEIT), 2 (2):
151-157(April 2012)