3TP: an application-Layer protocol for streaming 3-D models

Authors:
G. AlRegib;Y. Altunbasak
Affiliations:
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Savannah, GA, USA;-
Venue:
IEEE Transactions on Multimedia
Year:
2005

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Abstract

This paper addresses the problem of streaming progressively compressed three-dimensional (3-D) models over lossy networks. Out of all encoded packets that can be transmitted, we intelligently choose a subset of packets to be transmitted using transport control protocol in order to meet a distortion constraint, while transmitting the remaining packets using user datagram protocol to minimize the end-to-end delay. We call this new application-layer protocol 3-D models transport protocol. We show the effectiveness of this protocol both experimentally and theoretically. We compare the performance of the proposed protocol with systems that do not optimize transmission according to the content of the encoded bitstream. When the maximum distortion is 30, measured using the Hausdorff distance, we achieve savings in delay time ranging from 39% to 68% for packet-loss rates between 1% and 19%.