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SIAMAM
2008
76views more  SIAMAM 2008»
15 years 6 months ago
Stability of Solitary Waves in a Semiconductor Drift-Diffusion Model
We consider a macroscopic (drift-diffusion) model describing a simple microwave generator, consisting of a special type of semiconductor material that, when biased above a certain ...
C. M. Cuesta, C. Schmeiser
TOG
2002
123views more  TOG 2002»
15 years 6 months ago
A user interface for interactive cinematic shadow design
Placing shadows is difficult task since shadows depend on the relative positions of lights and objects in an unintuitive manner. To simplify the task of the modeler, we present a ...
Fabio Pellacini, Parag Tole, Donald P. Greenberg
MSCS
2007
91views more  MSCS 2007»
15 years 5 months ago
A rewriting calculus for cyclic higher-order term graphs
Introduced at the end of the nineties, the Rewriting Calculus (ρ-calculus, for short) is a simple calculus that fully integrates term-rewriting and λ-calculus. The rewrite rules...
Paolo Baldan, Clara Bertolissi, Horatiu Cirstea, C...
PAMI
2007
184views more  PAMI 2007»
15 years 5 months ago
Appearance Characterization of Linear Lambertian Objects, Generalized Photometric Stereo, and Illumination-Invariant Face Recogn
Traditional photometric stereo algorithms employ a Lambertian reflectance model with a varying albedo field and involve the appearance of only one object. In this paper, we gene...
Shaohua Kevin Zhou, Gaurav Aggarwal, Rama Chellapp...
INFORMS
2010
145views more  INFORMS 2010»
15 years 4 months ago
An Automated Intensity-Modulated Radiation Therapy Planning System
We design and implement an intensity-modulated radiation therapy (IMRT) plan generation technology that effectively and efficiently optimizes beam geometry as well as beam intens...
Shabbir Ahmed, Ozan Gozbasi, Martin W. P. Savelsbe...