Visual Information Laboratory, Department of Information Engineering, The Chinese University of Hong Kong

Researches - Visual Information Laboratory

Scientific Visualization - Prof. W.Y. Ng

We focus our work in developing a software prototype, name V-Explorer, for volume image viewing and manipulation on the SIMD supercomputer MasPar MP-1. We have development SIMD algorithms for fast rotation, stereo rendering, and cross-section re-sampling of digitized volume images. Recently, we have adapted the novel shear-warp algorithm (invented in Standford University) for animating rocking motions of a volume-rendered scene for better depth preception.
Extracted from Prospectus 1996

V-Explorer - Interactive Visualization and Analysis of 3D Images

A package called V-Explorer has been created in order to

  • provide an interactive tool for the exploration of volume data sets of various sizes on SIMD platform
  • establish a framework for developing parallel algorithms for volume visualization

    • TeleBrowser - Rapid Interactive Browsing of Distributed Image Databases - Prof. W.Y. Ng

    The objective is to design and develop an interactive software tool for browsing a large number of digital images stored at distributed locations, possibly orgainized in the form of a distributed database. The prototype developed displays on the client workstation an iconic (64x64) image array representation (IIAR) of an image record stored on a remote file server. Individual icons (low resolution images of hte originals) may then be addressed for retrieving the full-size originals. For interactivity, both the IIAR and full-size images are tansmitted progressively. The key issues being addressed are the design of the progressive transmission code and the implemetation of a rate-control IP-based transport protocol.
    Extracted from Prospectus 1996

    Image Compression

    Under construction