74 search results - page 9 / 15 » Anti-aliased Euclidean distance transform |
CVPR
2008
IEEE
14 years 9 months ago
2008
IEEE
The earth mover's distance (EMD) [16] is an important perceptually meaningful metric for comparing histograms, but it suffers from high (O(N3 log N)) computational complexity...
ICPR
2008
IEEE
14 years 8 months ago
2008
IEEE
This paper presents a new approach to measure texture directions and estimate illumination tilt angle of 3D surface textures by using mojette transform. Feature vectors are genera...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we present a new algorithm of snakes with geometric prior. A method of shape alignment using Fourier coefficients is introduced to estimate the Euclidean transform...
ICDE
1999
IEEE
14 years 8 months ago
1999
IEEE
Time series stored as feature vectors can be indexed by multidimensional index trees like R-Trees for fast retrieval. Due to the dimensionality curse problem, transformations are ...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Similarity search in large time series databases has attracted much research interest recently. It is a difficult problem because of the typically high dimensionality of the data....