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.
Java & MPEG-7 based tools for textual as well as semantic annotation and retrieval of digital photos and images, supporting structured, unstructured and semantic, graph like annotation and content based, metadata based and semantic image retrieval.