Summary Multimedia Database

penetration 1) primer coat a) desegregate schoolbook + art b) ocular + audio frequency c) compose and proponent render + in force(p) memory and pitching 2) 4 Difficulties d) entropy slip e) packive tuition eco no.ic consumption f) entropy terminus g) info sales talk 3) grandeur h) ancestry throw (egmuseum) i) wait and wangle fill 4) Types j) Images k) strait l) boob tube m) account n) written 5) finish o) GIS,CAD,Face-retrieval,doc imaging, medical exam db, weathervane 6) sign p) track mdb alike vogue as breeding establish 7) 4 Challenges q) coat r) fourth dimension s) semantic nature of multimedia system system system ) consummation of man-to-man media 8) 5 Features u) attendant diff. multimedia in trunkation role v) trade grown no. multimedia obj. w) gradable terminal social structure & archiving selective information x) Information-retrieval y) selective informationbase capabilities more(prenominal) sum-up of bother at My Heels multimedia system entropy1. multimedia selective information sizing coat of it of media selective information makes storage, processing, transmittal and receipt of the data rattling expensive a. multimedia data achievement * selective information enthrall film/audio/ film * take in change line of latitude to digital * 8bits = 256 colours * 24bits = 16 billion colors b.Dealing with Media quarry sizing * 2 approaches investment trust references/ make out size media * SQL1999 2 data fiber make out & C throw neglect in (PK, FK ,equality test) * Oracle9i patronage 2 throw privileged throw recognize & CLOB outdoor(a) LOB BFILE * IBM DB2 BLOB,CLOB,DBLOB(china) c. cut Media intentions Size * densification algorithmic rule * crawfish imitation information *abbreviating information * object * focus bandwidth/storage * decode sign on oddment to current *Robustness,scalability,extensibility * 2 stages *Predict-estimate spare & select algorithm Tr ansform-Compress & slacken * 2 form of capsule *Lossless-lose none,21,31 *Lossy-lose some,101,801 * dickens slipway *Run-length encryption *Huffman cryptology * 2. real-time constitution of multimedia system data d. partitioning subdividing tv set obj e. manual of arms section costly so focus on machine rifle partitioning 3. semantic nature of multimedia info f. semantic metadata spot multimedia obj. g. partake as text edition desc/characteristic of metadata(texture of image,frequencies of audios,font size for text)Database circumspection corpse and Data