PCRTT enhancement for off-line video smoothing

Ofer Hadar, Reuven Cohen

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


An enhancement of the Piecewise Constant Rate Transmission and Transport (PCRTT) algorithm for reducing the burstiness of a video stream, based on smoothing constant interval is proposed. The new algorithm, called e-PCRTT, relies on geometrical consideration rather than traditional rate-control analysis. E-PCRTT is shown to construct transmission rate-plans with smaller buffer sizes, as compared to the original PCRTT. Alternatively, for the same buffer size, e-PCRTT reduces the number of bandwidth changes as compared to PCRTT. In addition, e-PCRTT produces a rate-plan that requires a smaller initial playback delay.

Original languageEnglish
Pages (from-to)301-314
Number of pages14
JournalReal-Time Imaging
Issue number3
StatePublished - 1 Jan 2001


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