Network image view server using efficient client-server, tiling and caching architecture
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United States of America Patent
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Jan 21, 2003
Grant Date -
Oct 18, 2001
app pub date -
Jan 29, 2001
filing date -
Feb 12, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A computer network server using HTTP (Web) server software combined with foreground view composer software, background view composer software, a view tile cache, view tile cache garbage collector software, and image files provides image view data to client workstations using graphical Web browsers to display the view of an image from the server. Problems with specialized client workstation image view software are eliminated by using the Internet and industry standards-based graphical Web browsers for the client software. Network and system performance problems that previously existed when accessing large image files from a network file server are eliminated by tiling the image view so that computation and transmission of the view data can be done in an incremental fashion. The view tiles are cached on the client workstation to further reduce network traffic. View tiles are cached on the server to reduce the amount of view tile computation and to increase responsiveness of the image view server.
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