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» On the Number of Birch Partitions
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DAM
1999
105views more  DAM 1999»
13 years 8 months ago
The b-chromatic Number of a Graph
The achromatic number (G) of a graph G = (V, E) is the maximum k such that V has a partition V1, V2, . . . , Vk into independent sets, the union of no pair of which is independent...
Robert W. Irving, David Manlove
ICIAR
2005
Springer
14 years 2 months ago
Estimating the Natural Number of Classes on Hierarchically Clustered Multi-spectral Images
Image classification is often used to extract information from multi-spectral satellite images. Unsupervised methods can produce results well adjusted to the data, but that are us...
André R. S. Marçal, Janete S. Borges
APSCC
2008
IEEE
14 years 3 months ago
Deciding the Number of Color Histogram Bins for Vehicle Color Recognition
Given vehicle images, we suggest a way to recognize the color of the vehicle contained in the image. The color feature of a vehicle is represented by a color histogram, and we dec...
Ku-Jin Kim, Sun-Mi Park, Yoo-Joo Choi
COMAD
2009
13 years 9 months ago
Epsilon Equitable Partition: A positional analysis method for large social networks
Positional analysis is considered an important tool in the analysis of social networks. It involves partitioning of the set of actors into subsets such that actors in a subset are...
Kiran Kate, Balaraman Ravindran
JCT
2008
103views more  JCT 2008»
13 years 8 months ago
A bijective proof of Jackson's formula for the number of factorizations of a cycle
Factorizations of the cyclic permutation (1 2 . . . N) into two permutations with respectively n and m cycles, or, equivalently, unicellular bicolored maps with N edges and n whit...
Gilles Schaeffer, Ekaterina A. Vassilieva