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ICCV
2011
IEEE
13 years 9 months ago
What Characterizes a Shadow Boundary under the Sun and Sky?
Despite decades of study, robust shadow detection remains difficult, especially within a single color image. We describe a new approach to detect shadow boundaries in images of o...
Xiang Huang, Gang Hua, Jack Tumblin, Lance William...
CORR
2010
Springer
59views Education» more  CORR 2010»
14 years 10 months ago
The Light of Existence
This chapter derives the properties of light from the properties of processing, including its ability to be both a wave and a particle, to detect objects it doesn't touch, to...
Brian Whitworth
ISBI
2004
IEEE
15 years 10 months ago
A Fast Fully 4D Incremental Gradient Reconstruction Algorithm for List Mode PET Data
We present a fully four-dimensional, globally convergent, incremental gradient algorithm to estimate the continuous-time tracer density from list mode positron emission tomography...
Quanzheng Li, Evren Asma, Richard M. Leahy
COMPUTING
2007
424views more  COMPUTING 2007»
14 years 9 months ago
Anamorphic 3D geometry
An anamorphic image appears distorted from all but a few viewpoints. They have been studied by artists and architects since the early fifteenth century. Computer graphics opens t...
Dianne Hansford, D. Collins
VISUALIZATION
1997
IEEE
15 years 2 months ago
Volume rendering of abdominal aortic aneurysms
Volume rendering is a valuable and important technique for scientific visualization. One well known application area is the reconstruction and visualization of output from medica...
Roger C. Tam, Christopher G. Healey, Borys Flak, P...