Multimedia

Multimedia - Modern Databases • Object Oriented,...

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Modern Databases Object Oriented, Object-Relational DBs Active DBs Spatial databases ESRI Spatial Data Engine , Oracle Universal Server with Spatial Data, Informix Spatial Datablades Digital libraries Biomedical DBs Genomes, proteins, microarrays, pathways Temporal, time-series DBs IBM Quest Streaming Databases Multimedia
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Multimedia Databases Document databases: Set of keywords in all the documents Each document is represented by a frequency vector of d dimension Apply SVD, reduce dimensionality Search based on cosine of the angle between vectors Images: IBM QBIC An image is a set of pixel values. Identifying objects Segmentation: Close cells whose pixel values are close are grouped into a segment Video: CNN video server Sequence of images Buffering Automatic analysis/manual annotation Audio Muscle Fish 772 projects
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Multimedia Databases References Networked Multimedia Systems by S.V. Raghavan and S.K.Tripathi The MPEG homepage : http://drogo.cselt.stet.it/ufv/leonardo/mpeg/ Multimedia Information Systems by V. S. Subrahmanian (Editor), S. K. Tripathi (Editor) Programming references Java Media API http://www.javasoft.com/products/java-media/jmf/index.html Java Advanced Imaging API http://www.javasoft.com/products/java-media/jai/index.html
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Modern Databases Massive amount of data Commercial data warehouses are doubling every 9 months Satellite data repositories: 1-2 TB/day GenBank (nucleotide and protein string database by National Center of Biotechnology Information ) has doubled every 15 months Internet: Database for several applications, e.g., search engines
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Modern DBs Multi-dimensional data Multiple attributes and/or features Keywords, meta-tags – Feature vectors (x 1 ,x 2 ,..,x d ) d=2: Spatial data, GIS d can be high : image features, e.g., color, texture, shape time-series signal, e.g., stock prices, gene expression data – Similarity distance function, f d
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Query Processing Traditional DBMS queries: Selection, projection, join Multi-dimensional range “All employees of age [35. .45] and salary [35K. .45K]”
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This note was uploaded on 04/10/2008 for the course CSE 671 taught by Professor Hakanferhatosmanoglu during the Fall '06 term at Ohio State.

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Multimedia - Modern Databases • Object Oriented,...

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