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GRC
2008
IEEE
15 years 7 months ago
Neighborhood Smoothing Embedding for Noisy Manifold Learning
Manifold learning can discover the structure of high dimensional data and provides understanding of multidimensional patterns by preserving the local geometric characteristics. Ho...
Guisheng Chen, Junsong Yin, Deyi Li
IJRFITA
2007
205views more  IJRFITA 2007»
15 years 6 months ago
2D localisation using SAW-based RFID systems: a single antenna approach
: This paper presents a novel Real-Time Localisation System (RTLS) based upon 2.45 GHz Surface Acoustic Wave (SAW) Radio Frequency Identification (RFID) systems. The system utilise...
Darmindra D. Arumugam, Vijayakrishnan Ambravaneswa...
CAD
2002
Springer
15 years 6 months ago
An extension algorithm for B-splines by curve unclamping
This paper presents an algorithm for extending B-spline curves and surfaces. Based on the unclamping algorithm for B-spline curves, we propose a new algorithm for extending B-spli...
Shi-Min Hu, Chiew-Lan Tai, Song-Hai Zhang
CGF
1998
73views more  CGF 1998»
15 years 6 months ago
Using Wavefront Tracing for the Visualization and Optimization of Progressive Lenses
Progressive addition lenses are a relatively new approach to compensate for defects of the human visual system. While traditional spectacles use rotationally symmetric lenses, pro...
Joachim Loos, Philipp Slusallek, Hans-Peter Seidel
EGH
2009
Springer
15 years 4 months ago
Object partitioning considered harmful: space subdivision for BVHs
A major factor for the efficiency of ray tracing is the use of good acceleration structures. Recently, bounding volume hierarchies (BVHs) have become the preferred acceleration st...
Stefan Popov, Iliyan Georgiev, Rossen Dimov, Phili...