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Multimedia Technologies Jeongkyu Lee Dept. of Computer Science & Eng. University of Bridgeport jelee@bridgeport.edu. Topics. Note0 – Introduction Note1 - Audio, Image and Video Note2 - Multimedia Data Compression Note3 - Image and Video Indexing General

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  1. Multimedia TechnologiesJeongkyu LeeDept. of Computer Science & Eng.University of Bridgeportjelee@bridgeport.edu

  2. Topics • Note0 – Introduction • Note1 - Audio, Image and Video • Note2 - Multimedia Data Compression • Note3 - Image and Video Indexing General • Note4 - Content-based Image Retrieval • Note5 - Image Indexing Technique • Note6 – Video Segmentation

  3. Topics • Note7 - Video Indexing Technique • Note8 - Video Modeling Technique • Note9 - Multimedia O/S • Note10 - Video Delivery • Note11 – Video Processing using Graph • Note12 – Video Abstraction • Note13 – MPEG-7 and MPEG-21

  4. Note Some slides are from the following book with the author‘s permission. • Harald Kosch, Distributed Multimedia Database Technologies supported by MPEG-7 and MPEG-21, November 2003, CRC Press, ISBN 0-8493-1854-8.

  5. Multimedia System Definition A computer hardware/software system used for • Acquiring and Storing • Managing • Indexing and Filtering • Manipulating (quality, editing) • Transmitting (multiple platforms) • Accessing large amount of visual information like, Images, video, graphics, audios and associated multimedia Examples: image and video databases, web media search engines, mobile media navigator, etc.

  6. Multimedia Systems (cont.) • Share Digital Information • New Content Creation Tools • Deployment of High-Speed Networks • New Content Services • Mobile Internet • 3D graphics, network games • Media portals • Standards become available: coding, delivery, and description.

  7. Multimedia Systems Application Chain

  8. Multimedia Systems: User Needs • User Needs Access multimedia information anytime anywhere on any device from any source anything Network/device transparent Quality of service (graceful degradation) Intelligent tools and interfaces Automated protection and transaction

  9. Multimedia data types • Text • Image • Video • Audio • mixed multimedia data

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