A Server-based Interactive Remote Walkthrough

Daniel Cohen-Or, Yuval Noimark, Tali Zvi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


This paper presents a server-based remote walkthrough system. The client is assumed to be a thin client, like a handset or a mobile device, with no strong processor but with some embedded video chip. The server holds the large environment, generates the frames, encodes and transmits them to the client. The encoded frames are transmitted as a video stream to the client, which then decodes the stream and displays it. We show how the computer generated frames can be efficiently encoded using layering techniques to yield a lighter stream, which enables its transmission over narrow bandwidth channels and minimizes the communication latency. To enable the interactivity of the system, the rendering engine generates the frames in real-time according to the client input, and feeds the frames to an accelerated video encoder based on the available optical flow.

Original languageEnglish
Title of host publicationEGMM 2001 - EG Multimedia Workshop 2001
EditorsJ.A. Jorge, N.M. Correia, H. Jones, M.B. Kamegai
PublisherEurographics Association
Number of pages12
ISBN (Electronic)3211837698, 9783211837696
StatePublished - 2021
Event2001 Eurographics Multimedia Workshop, EGMM 2001 - Manchester, United Kingdom
Duration: 8 Sep 20019 Sep 2001

Publication series

NameEGMM 2001 - EG Multimedia Workshop 2001


Conference2001 Eurographics Multimedia Workshop, EGMM 2001
Country/TerritoryUnited Kingdom


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