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IEEE Computer Graphics and Applications

Issue 3 • Date May 1995

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Displaying Results 1 - 10 of 10
  • Wavelets for computer graphics: a primer.1

    Publication Year: 1995, Page(s):76 - 84
    Cited by:  Papers (182)  |  Patents (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (767 KB)

    Wavelets are a mathematical tool for hierarchically decomposing functions. They allow a function to be described in terms of a coarse overall shape, plus details that range from broad to narrow. Regardless of whether the function of interest is an image, a curve, or a surface, wavelets offer an elegant technique for representing the levels of detail present. The article is intended to provide peop... View full abstract»

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  • Object-oriented visualization

    Publication Year: 1995, Page(s):54 - 62
    Cited by:  Papers (19)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1172 KB)

    Feature based techniques incorporated into standard visualization algorithms can greatly enhance the quantification and visualization of observed phenomena, as described in the article. The methods to isolate and recognize coherent 3D structures are analogous to 2D vision techniques. The overall goals are the same in both fields, namely, to interpret an image (data) and construct a model to descri... View full abstract»

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  • Aesthetic considerations unique to interactive multimedia

    Publication Year: 1995, Page(s):24 - 28
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (564 KB)

    Using early multimedia art pieces often resembled reading paragraphs ripped out of Shakespeare and handed to you at random. The mistakes in plot and composition made by beginning writers and artists can find new power to convey incoherence when automated by a computer. What are the compositional issues? How about basic hypermedia structures and their aesthetic effects? What should be random, and w... View full abstract»

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  • Generating exact ray-traced animation frames by reprojection

    Publication Year: 1995, Page(s):43 - 52
    Cited by:  Papers (11)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (864 KB)

    Reprojection techniques can create approximate ray traced animation frames. Extending an existing algorithm yields exact frames and full ray tracing, with up to 92 percent savings in rendering time. We present an algorithm that exploits spatiotemporal coherence between frames to significantly decrease the rendering time of ray traced animations. This method produces inferred ray traced images of a... View full abstract»

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  • At Oak Ridge, a car crash on the World Wide Web

    Publication Year: 1995, Page(s):16 - 18
    Cited by:  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB)

    Researchers at Oak Ridge National Laboratory are using a massively parallel computer to model car crashes as part of a project to develop vehicles that protect their inhabitants while getting triple the gas mileage of today's models. Oak Ridge's Center for Computational Sciences modeled a 50 percent offset crash of two Ford Tauruses moving at 35 miles per hour on an Intel Paragon. The simulation, ... View full abstract»

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  • Color correction for an image sequence

    Publication Year: 1995, Page(s):38 - 42
    Cited by:  Papers (15)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (456 KB)

    The color correction technique presented constructs a mapping from the registered overlapping regions of two adjacent images in an image sequence. The method involves two main steps. In the first step we use multiple regression to find the relationship between the registered overlapping regions of two adjacent images in the sequence. We then use the derived mapping to correct the color in one imag... View full abstract»

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  • After the storm: considerations for information visualization

    Publication Year: 1995, Page(s):12 - 15
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (500 KB)

    “Study of a Numerically Modeled Severe Storm” is a well known animation within the scientific visualization community. The visualization is among the best of its genre, featuring full storyboarding, well chosen representations, high quality rendering, and professional narration. We recently revisited the thunderstorm to consider what we would do differently if we were to make that vide... View full abstract»

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  • Interactive simulation of solid rigid bodies

    Publication Year: 1995, Page(s):63 - 75
    Cited by:  Papers (48)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1048 KB)

    The article describes the implementation of an interactive system for simulating rigid bodies with contact and friction. The system can simulate moderately complex mechanical systems at interactive rates (20-30 Hz on low end Silicon Graphics workstations). New objects and user specified constraints can be added into the simulation environment on the fly. The system uses analytical methods to compu... View full abstract»

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  • Expressive rendering: a review of nonphotorealistic techniques

    Publication Year: 1995, Page(s):29 - 37
    Cited by:  Papers (35)  |  Patents (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1044 KB)

    The success of graphics systems that render photorealistic output has obscured parallel developments in nonphotorealistic rendering. A review of these “expressive” systems suggests a framework for further development. One of the authors, Simon Schofield, has developed a prototype system that gives users a wide variety of automatic rendering styles-from the almost photorealistic, throug... View full abstract»

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  • Alice: rapid prototyping for virtual reality

    Publication Year: 1995, Page(s):8 - 11
    Cited by:  Papers (25)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB)

    Virtual reality has sparked many people's imaginations, but writing VR programs remains difficult. Besides the obvious problems of managing arcane I/O devices (trackers, gloves, and so on), the programs must allow the participant to operate effectively in the immersive environment. Virtual environments present a new medium for both the participant and the programmer/author. In the University of Vi... View full abstract»

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Aims & Scope

IEEE CG&A bridges the theory and practice of computer graphics. From specific algorithms to full system implementations, CG&A offers a unique combination of peer-reviewed feature articles and informal departments, including product announcements.

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Meet Our Editors

Editor-in-Chief
L. Miguel Encarnação
University of Iowa