Results 51 to 60 of about 2,884,172 (338)

A Novel Single Fuzzifier Interval Type-2 Fuzzy C-Means Clustering With Local Information for Land-Cover Segmentation

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
In the process of land cover segmentation from remote sensing image, there are some uncertainties such as “significant difference in class density”, “different objects with same spectrum”, and “same object with ...
Chengmao Wu, Xiaokang Guo
doaj   +1 more source

Image segmentation using fuzzy clustering incorporating spatial information [PDF]

open access: yes, 2004
Effective image segmentation cannot be achieved for a fuzzy clustering algorithm based on using only pixel intensity, pixel locations or a combination of the two.
Ali, Ameer   +2 more
core  

Cluster validity for fuzzy criterion clustering

open access: yes1995 IEEE International Conference on Systems, Man and Cybernetics. Intelligent Systems for the 21st Century, 1999
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Esogbue, A.O., Liu, Baoding
openaire   +1 more source

Three‐dimensional Antimony Sulfide Based Flat Optics

open access: yesAdvanced Functional Materials, EarlyView.
This work presents the development of a grayscale electron beam lithography (g‐EBL) method for fabricating antimony trisulfide (Sb2S3) nanostructures with customizable 3D profiles. The refractive index of g‐EBL patterned Sb2S3 is determined based on the synergy of genetic algorithm and transfer matrix method.
Wei Wang   +18 more
wiley   +1 more source

Fuzzy Relational Fixed Point Clustering [PDF]

open access: yesInternational Journal of Computational Intelligence Systems, 2009
The proposed relational fuzzy clustering method, called FRFP ( fuzzy relational fixed point), is based on determining a fixed point of a function of the desired membership matrix. The ethod is compared to other relational clustering methods.
Roelof K. Brouwer
doaj   +1 more source

RESAMPLING FOR FUZZY CLUSTERING [PDF]

open access: yesInternational Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, 2007
Resampling methods are among the best approaches to determine the number of clusters in prototype-based clustering. The core idea is that with the right choice for the number of clusters basically the same cluster structures should be obtained from subsamples of the given data set, while a wrong choice should produce considerably varying cluster ...
openaire   +2 more sources

Fuzzy Density Peaks Clustering

open access: yesIEEE transactions on fuzzy systems, 2021
As an exemplar-based clustering method, the well-known density peaks clustering (DPC) heavily depends on the computation of kernel-based density peaks, which incurs two issues: first, whether kernel-based density can facilitate a large variety of data ...
Zekang Bian, F. Chung, Shitong Wang
semanticscholar   +1 more source

Imaging of Biphoton States: Fundamentals and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum states of two photons exhibit a rich polarization and spatial structure, which provides a fundamental resource of strongly correlated and entangled states. This review analyzes the physics of these intriguing properties and explores the various techniques and technologies available to measure them, including the state of the art of their ...
Alessio D'Errico, Ebrahim Karimi
wiley   +1 more source

Performance comparison of fuzzy and non-fuzzy classification methods

open access: yesEgyptian Informatics Journal, 2016
In data clustering, partition based clustering algorithms are widely used clustering algorithms. Among various partition algorithms, fuzzy algorithms, Fuzzy c-Means (FCM), Gustafson–Kessel (GK) and non-fuzzy algorithm, k-means (KM) are most popular ...
B. Simhachalam, G. Ganesan
doaj   +1 more source

Fuzzy determination of informative frequency band for bearing fault detection [PDF]

open access: yes, 2016
Detecting early faults in rolling element bearings is a crucial measure for the health maintenance of rotating machinery. As faulty features of bearings are usually demodulated into a high-frequency band, determining the informative frequency band (IFB ...
Abonyi   +28 more
core   +1 more source

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