Ppt1140802001

Networked Interactive Media Codec Algorithm Kostas E. Psannis and Yutaka Ishibashi Department of Technology Management University of Macedonia, Thessaloniki 540 06, Greece [email_address] , [email_address] Department of Computer Science and Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan

PRELIMINARY Interactive access to video content is generally defined as a program or service controlled by the user and which can affect the content itself, the presentation manner of the content, or the presentation order of the content Full range of interactive functions include play/resume, stop, pause, Jump Forward (JF)/ Jump Backward (JB), Fast Forward (FF)/ Fast Rewind FR), Slow down (SD), and Slow Reverse (SR), Rewind.

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object]

MPEG/H.264-structure (a) ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],MPEG-structure (b)

MPEG/H.264-structure (c) ,[object Object],[object Object]

MPEG-structure (d) ,[object Object]

Streaming Interactive Media Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Proposed Interactive Media Algorithm ,[object Object],P(Marionette) in repeating the previous I-frame in the decoder, enhancing the visual quality during the interactive mode Pi(k) frames are coded using motion estimation and each one has a dependency only to the preceding k-th frame

Experiments (a) ,[object Object],[object Object]

Experiments (b) ,[object Object],[object Object],1a 1c 1b 2a 2c 2b

Conclusions- Future Work ,[object Object],[object Object]

Ppt1140802001

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