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» Variational Constraints in 3D
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VMV
2001
92views Visualization» more  VMV 2001»
14 years 11 months ago
Using Quaternions for Parametrizing 3-D Rotations in Unconstrained Nonlinear Optimization
In this paper we address the problem of using quaternions in unconstrained nonlinear optimization of 3-D rotations. Quaternions representing rotations have four elements but only ...
Jochen Schmidt, Heinrich Niemann
PETRA
2009
ACM
15 years 4 months ago
Automatic sensor placement in a 3D volume
Given a 3D environment, a set of constraints, and a set of sensor models, this paper addresses the problem of finding the set of sensors and their corresponding placement that cov...
Eric Becker, Gutemberg Guerra-Filho, Fillia Makedo...
VISUALIZATION
1997
IEEE
15 years 1 months ago
Constrained 3D navigation with 2D controllers
Navigation through 3D spaces is required in many interactive graphics and virtual reality applications. We consider the subclass of situations in which a 2D device such as a mouse...
Andrew J. Hanson, Eric A. Wernert
3DPVT
2004
IEEE
115views Visualization» more  3DPVT 2004»
15 years 1 months ago
Specularity Elimination in Range Sensing for Accurate 3D Modeling of Specular Objects
We present a novel range sensing method that is capable of constructing accurate 3D models of specular objects. Our method utilizes a new range imaging concept called multi-peak r...
Johnny Park, Avinash C. Kak
DAC
2006
ACM
15 years 10 months ago
A thermally-aware performance analysis of vertically integrated (3-D) processor-memory hierarchy
Three-dimensional (3-D) integrated circuits have emerged as promising candidates to overcome the interconnect bottlenecks of nanometer scale designs. While they offer several othe...
Gian Luca Loi, Banit Agrawal, Navin Srivastava, Sh...