 | Caliph & EmirCaliph & Emir are MPEG-7 based Java prototypes for digital photo and image annotation. |
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Caliph & Emir are MPEG-7 based Java prototypes for digital photo and image annotation. 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.Here are some key features of "Caliph and Emir":Features of Caliph:· Extraction of IPTC and EXIF metadata and conversion to MPEG-7· Extraction of following content based image retrieval descriptors: · ColorLayout (measures color distribution in an image) · ScalableColor (basically a color histogram) · EdgeHistogram (measures edginess) · Annotation of images with · Free text metadata· Quality rating · Structured text metadata· Meta2 data (metadata about metadata) · Semantic Annotations · Based on a editable catalogue for reusable semantic objects (like specific persons, places, ...) · Fully visual & graphical user interface· Automatic placement and layout of visual descriptions· Export of semantic descriptions to Structured Text Descriptions · Load and save annotations as MPEG-7 XML file Features of Emir:· Retrieval of annotations using the file system · with XPath queries· with keyword queries· with quality constraints· with example images for content based image retrieval· Retrieval of Annotations using a Lucene index · with inbuilt index creation · using different fields for structured retrieval · Retrieval of semantic graphs based on a Lucene powered index · supporting wildcards for relations and nodes · based on query expansion · graphical query editor· 2D data repository visualization based on the FastMap algorithm · for image content descriptors ColorLayout, ScalableColor and EdgeHistogram· for graphs based on the minimum common sub graph metricWhat's New in This Release:· This is mainly a maintenance release: Scalable Color descriptor extraction was fixed, and yields the same results as the MPEG-7 reference software.· EdgeHistogramImpl has been updated.· The DominantColor class was adapted.· PPM and BMP images are now supported.· Note that Java 6.0 is required for the binary version and 1.5 for compilation.
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