Volume Graphics

Project Overview

Volume Graphics deals with the underlying mechanisms and systems for the synthesis, manipulation, and rendering of 3D geometric models represented in volumetric form.
The projects have been supported by the following: Office of Naval Research, National Science Foundation, Naval Research Lab, Mitsubishi Electric Research Lab

Sub-projects:

This research project deals with volume graphics, and specifically with the underlying algorithms for the synthesis, manipulation, and rendering of 3D geometric models in volumetric form. Unlike conventional computer graphics, which employs continuous surfaces for 3D object representation, in volume graphics a 3D object is represented as a discrete volumetric model commonly stored as a 3D buffer of voxels. One of the motivations for this work is the expanding use of discrete volumetric representation for a variety of geometry-based applications. These include simulation (e.g., flight and mission simulation), computer-aided design, animation, virtual reality, and scientific visualization, as well as those applications that intermix geometric objects with 3D sampled or computed datasets. In volume graphics, the inherently continuous 3D geometric model is discretized (voxelized) in a preprocessing stage generating a view-independent 3D buffer of voxels, which then becomes amenable to faster manipulation and rendering using volume graphics techniques. Unlike surface graphics, volume graphics employs a view-independent model of data and attributes, is relatively insensitive to object and scene complexities, supports visualization of amorphous phenomena, hierarchies, inner structures, and intermixing of geometric models with sampled and computed datasets. As such, volume graphics offers a viable alternative to contemporary surface-based computer graphics. Furthermore, it offers the foundation for long-term research to support the emerging direct volume display devices.
The project includes the study and development of volume-sampled voxelization techniques, methods to manipulate multiple volumetric models with possible data modification and deformation, and efficient rendering algorithms for local and global illumination of volume graphics models.

People

Arie Kaufman , Project Director

Deformation Project

Flight Simulation Project

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