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» Probabilistic regular graphs
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109
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APPML
2006
80views more  APPML 2006»
15 years 18 days ago
Unicyclic graphs with exactly two main eigenvalues
An eigenvalue of a graph G is called a main eigenvalue if it has an eigenvector the sum of whose entries is not equal to zero, and it is well known that a graph has exactly one ma...
Yaoping Hou, Feng Tian
76
Voted
DM
2011
184views Education» more  DM 2011»
14 years 7 months ago
Graphs of arbitrary excessive class
We show that there exists a family of r-regular graphs of arbitrarily large excessive index for each integer r greater than 3. Furthermore, we answer a question in [1] showing tha...
Giuseppe Mazzuoccolo, M. Young
96
Voted
ICASSP
2011
IEEE
14 years 4 months ago
Median filter with absolute value norm spatial regularization
We provide a novel formulation for computing median filter with spatial regularization as minimizing a cost function composed of absolute value norms. We turn this cost minimizat...
Nilanjan Ray
76
Voted
ICASSP
2008
IEEE
15 years 7 months ago
Structure of non-binary regular ldpc cycle codes
In this paper, we study non-binary regular LDPC cycle codes whose parity check matrix has fixed column weight 2 and fixed row weight d. We prove that the parity check matrix of ...
Jie Huang, Shengli Zhou, Peter Willett
ICIP
2008
IEEE
15 years 7 months ago
Regularized depth from defocus
In the area of depth estimation from images an interesting approach has been structure recovery from defocus cue. Towards this end, there have been a number of approaches [4, 6]. ...
Vinay P. Namboodiri, Subhasis Chaudhuri, Sunil Had...