User profiles for John C. Hart
John C. HartUniversity of Illinois Verified email at cs.uiuc.edu Cited by 11991 |
The CAVE: Audio visual experience automatic virtual environment.
…, DJ Sandin, TA DeFanti, RV Kenyon, JC Hart - Communications of the …, 1992 - go.gale.com
The CAVE virtual reality interface overcomes many of the problems of other virtual reality
systems and can be built using currently available technology. Two important aspects of virtual …
systems and can be built using currently available technology. Two important aspects of virtual …
[PDF][PDF] Sphere tracing: A geometric method for the antialiased ray tracing of implicit surfaces
JC Hart - The Visual Computer, 1996 - academia.edu
Sphere tracing is a new technique for rendering implicit surfaces that uses geometric distance.
Sphere tracing marches along the ray toward its first intersection in steps guaranteed not …
Sphere tracing marches along the ray toward its first intersection in steps guaranteed not …
[PDF][PDF] Rectangular multi-chart geometry images
Many mesh parameterization algorithms have focused on minimizing distortion and utilizing
texture area, but few have addressed issues related to processing a signal on the mesh …
texture area, but few have addressed issues related to processing a signal on the mesh …
Spectral surface quadrangulation
Resampling raw surface meshes is one of the most fundamental operations used by nearly
all digital geometry processing systems. The vast majority of this work has focused on …
all digital geometry processing systems. The vast majority of this work has focused on …
[PDF][PDF] The ray engine
Assisted by recent advances in programmable graphics hardware, fast rasterization-based
techniques have made significant progress in photorealistic rendering, but still only render a …
techniques have made significant progress in photorealistic rendering, but still only render a …
Fair morse functions for extracting the topological structure of a surface mesh
Morse theory reveals the topological structure of a shape based on the critical points of a
real function over the shape. A poor choice of this real function can lead to a complex …
real function over the shape. A poor choice of this real function can lead to a complex …
Ray tracing deterministic 3-D fractals
JC Hart, DJ Sandin, LH Kauffman - … of the 16th annual conference on …, 1989 - dl.acm.org
As shown in 1982, Julia sets of quadratic functions as well as many other deterministic fractals
exist in spaces of higher dimensionality than the complex plane. Originally a boundary-…
exist in spaces of higher dimensionality than the complex plane. Originally a boundary-…
Xanomeline, an M1/M4 preferring muscarinic cholinergic receptor agonist, produces antipsychotic-like activity in rats and mice
HE Shannon, K Rasmussen, FP Bymaster, JC Hart… - Schizophrenia …, 2000 - Elsevier
Xanomeline is an M 1 /M 4 preferring muscarinic receptor agonist which decreased psychotic
behaviors in patients with Alzheimer's disease, suggesting that xanomeline might be …
behaviors in patients with Alzheimer's disease, suggesting that xanomeline might be …
Visualizing quaternion rotation
JC Hart, GK Francis, LH Kauffman - ACM Transactions on Graphics …, 1994 - dl.acm.org
Quaternions play a vital role in the representation of rotations in computer graphics, primarily
for animation and user interfaces. Unfortunately, quaternion rotation is often left as an …
for animation and user interfaces. Unfortunately, quaternion rotation is often left as an …
Seamster: inconspicuous low-distortion texture seam layout
Surface texturing aids the visualization of polygonal meshes by providing additional surface
orientation cues and feature annotations. Such texturing is usually implemented via texture …
orientation cues and feature annotations. Such texturing is usually implemented via texture …