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Entropy, Volume 13, Issue 4

April 2011 - 10 articles

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Articles (10)

  • Article
  • Open Access
34 Citations
11,298 Views
42 Pages

19 April 2011

Feature selection is an important step in building accurate classifiers and provides better understanding of the data sets. In this paper, we propose a feature subset selection method based on high-dimensional mutual information. We also propose to u...

  • Commentary
  • Open Access
17 Citations
8,441 Views
9 Pages

19 April 2011

Nadykto, Yu, Jakovleva, Herb and Xu have recently reported a DFT study on the structure and formation thermodynamics of sulfuric acid-base-water clusters, with ammonia and a handful of amines as bases [1]. This study partially overlaps with our previ...

  • Article
  • Open Access
231 Citations
18,743 Views
19 Pages

13 April 2011

This paper proposes a global multi-level thresholding method for image segmentation. As a criterion for this, the traditional method uses the Shannon entropy, originated from information theory, considering the gray level image histogram as a probabi...

  • Article
  • Open Access
8,697 Views
21 Pages

8 April 2011

The classical information-theoretic measures such as the entropy and the mutual information (MI) are widely applicable to many areas in science and engineering. Csiszar generalized the entropy and the MI by using the convex functions. Recently, we pr...

  • Article
  • Open Access
2 Citations
7,702 Views
15 Pages

Entropic Regularization to Assist a Geologist in Producing a Geologic Map

  • Valeria C.F. Barbosa,
  • João B.C. Silva,
  • Suzan S. Vasconcelos and
  • Francisco S. Oliveira

6 April 2011

The gravity and magnetic data measured on the Earth’s surface or above it (collected from an aircraft flying at low altitude) can be used to assist in geologic mapping by estimating the spatial density and magnetization distributions, respectively, p...

  • Article
  • Open Access
3 Citations
7,490 Views
15 Pages

6 April 2011

In the present paper, we propose a large sample asymptotic approximation for the sampling and posterior distributions of differential entropy when the sample is composed of independent and identically distributed realization of a multivariate normal...

  • Article
  • Open Access
4 Citations
7,522 Views
12 Pages

29 March 2011

In this paper, a representation of the information-disturbance theorem based on the quantum Kolmogorov complexity that was defined by P. Vit´anyi has been examined. In the quantum information theory, the information-disturbance relationship, which tr...

  • Article
  • Open Access
40 Citations
9,363 Views
34 Pages

25 March 2011

We study the classical field theoretical formulation of static generic isolated horizons in a manifestly SU(2) invariant formulation. We show that the usual classical description requires revision in the non-static case due to the breaking of diffeom...

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Entropy - ISSN 1099-4300