Results 251 to 260 of about 4,559,445 (294)
Some of the next articles are maybe not open access.

Generalized maximum-entropy sampling

INFOR: Information Systems and Operational Research, 2019
We introduce the generalized constrained maximum-entropy sampling problem (GCMESP) as a common generalization of the ordinary constrained maximum-entropy sampling problem (CMESP) and the constraine...
Jon Lee 0001, Joy Lind
openaire   +1 more source

A FAST ALGORITHM FOR COMPUTING SAMPLE ENTROPY

Advances in Adaptive Data Analysis, 2011
Sample entropy is a widely used tool for quantifying complexity of a biological system. Computing sample entropy directly using its definition requires large computational costs. We propose a fast algorithm based on a k-d tree data structure for computing sample entropy. We prove that the time complexity of the proposed algorithm is [Formula: see text]
Ying Jiang 0002, Dong Mao, Yuesheng Xu
openaire   +2 more sources

Entropy-Based Adaptive Sampling

2003
Digital Decor is furniture, appliances, and other small objects commonly found in homes and offices that have been augmented with computational power to extend usefulness. As such, Digital Decor is a physical manifestation of the ubiquitous, pervasive, and invisible computer in which the familiar, everyday object is imbued with additional capabilities ...
Jaume Rigau, Miquel Feixas, Mateu Sbert
openaire   +2 more sources

Maximum entropy sampling

Journal of Applied Statistics, 1987
(1987). Maximum entropy sampling. Journal of Applied Statistics: Vol. 14, No. 2, pp. 165-170.
M. C. Shewry, H. P. Wynn
openaire   +1 more source

Constrained Maximum-Entropy Sampling

Operations Research, 1998
A fundamental experimental design problem is to select a most informative subset, having prespecified size, from a set of correlated random variables. Instances of this problem arise in many applied domains such as meteorology, environmental statistics, and statistical geology.
openaire   +3 more sources

Detection of automated behavior on Twitter through approximate entropy and sample entropy

Personal and Ubiquitous Computing, 2021
Twitter is an Online Social Network (OSN). It is a significant forum for public expression and building relationships. By 2020, Twitter has reached nearly 353.1 million active users per month. However, a considerable number of online user accounts can be automated profiles. It is predicted that roughly 52 million profiles on Twitter are bots. Some bots
Rosario Gilmary   +2 more
openaire   +1 more source

Sample entropy-based HRV characterisation

International Journal of Medical Engineering and Informatics, 2012
The non-linear methods-based heart rate variability analyses are widely becoming popular as these are based upon analysing original RR-interval series. The sample entropy (SampEn) is one of these methods used for quantifying signal complexity, and is based upon hypothesis that decreasing entropy is a pointer towards loss of heart rate variability (HRV).
Ramesh Kumar Sunkaria   +2 more
openaire   +1 more source

Image sampling for localization using entropy

2008 19th International Conference on Pattern Recognition, 2008
This paper introduces a robust adaptive patches sampling technique. The method does not rely on the use of keypoints to extract local information but all information contained in images. It performs an optimal multilayer quadtree decomposition of images driven by the quantity and homogeneity of information.
Loïc Lachèze, Ryad Benosman
openaire   +1 more source

Influence of noise on the sample entropy algorithm

Chaos: An Interdisciplinary Journal of Nonlinear Science, 2009
We study the effect of static additive noise on the sample entropy (SampEn) algorithm [J. S. Richman and J. R. Moorman, Am. J. Physiol. Heart Circ. Physiol. 278, 2039 (2000); R. B. Govindan et al., Physica A 376, 158 (2007)] for analyzing time series.
S., Ramdani   +2 more
openaire   +3 more sources

An Outer-Approximation Algorithm for Maximum-Entropy Sampling

Discrete Applied Mathematics, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Marcia Fampa, Jon Lee 0001
openaire   +3 more sources

Home - About - Disclaimer - Privacy