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» Approximate Tree Embedding Problem - An Algebraic Approach
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TVCG
1998
102views more  TVCG 1998»
13 years 7 months ago
Ray-Tracing Triangular Trimmed Free-Form Surfaces
This paper presents a new approach to rendering triangular algebraic free form surfaces. A hierarchical subdivision of the surface with associated tight bounding volumes provides ...
Wolfgang Stürzlinger
APPROX
2007
Springer
67views Algorithms» more  APPROX 2007»
14 years 1 months ago
Maximum Gradient Embeddings and Monotone Clustering
abstract Manor Mendel1 and Assaf Naor2 1 The Open University of Israel 2 Courant Institute Let (X, dX ) be an n-point metric space. We show that there exists a distribution D over ...
Manor Mendel, Assaf Naor
IJBC
2007
86views more  IJBC 2007»
13 years 7 months ago
Optimization and the Miranda Approach in Detecting Horseshoe-Type Chaos by Computer
f of the underlying abstract theorem avoids of referring to any results of applied algebraic topology and relies only on the Brouwer fixed point theorem. The second novelty is tha...
Balázs Bánhelyi, Tibor Csendes, Barn...
SSDBM
2003
IEEE
95views Database» more  SSDBM 2003»
14 years 22 days ago
A Quad-Tree Based Multiresolution Approach for Two-dimensional Summary Data
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
Francesco Buccafurri, Filippo Furfaro, Domenico Sa...
CVPR
2011
IEEE
13 years 3 months ago
Nonparametric Density Estimation on A Graph: Learning Framework, Fast Approximation and Application in Image Segmentation
We present a novel framework for tree-structure embedded density estimation and its fast approximation for mode seeking. The proposed method could find diverse applications in co...
Zhiding Yu, Oscar Au, Ketan Tang