Results 11 to 20 of about 234,781 (273)

Spectral Clustering by Joint Spectral Embedding and Spectral Rotation [PDF]

open access: yesIEEE Transactions on Cybernetics, 2020
Spectral clustering is an important clustering method widely used for pattern recognition and image segmentation. Classical spectral clustering algorithms consist of two separate stages: 1) solving a relaxed continuous optimization problem to obtain a real matrix followed by 2) applying K -means or spectral rotation to round the real matrix (i.e ...
Yanwei, Pang   +3 more
openaire   +4 more sources

Power Spectral Clustering [PDF]

open access: yesJournal of Mathematical Imaging and Vision, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Challa, Aditya   +3 more
openaire   +2 more sources

A new Kmeans clustering model and its generalization achieved by joint spectral embedding and rotation [PDF]

open access: yesPeerJ Computer Science, 2021
The Kmeans clustering and spectral clustering are two popular clustering methods for grouping similar data points together according to their similarities.
Wenna Huang   +3 more
doaj   +2 more sources

Wireless Propagation Multipaths using Spectral Clustering and Three-Constraint Affinity Matrix Spectral Clustering

open access: yesمجلة بغداد للعلوم, 2021
This study focused on spectral clustering (SC) and three-constraint affinity matrix spectral clustering (3CAM-SC) to determine the number of clusters and the membership of the clusters of the COST 2100 channel model (C2CM) multipath dataset ...
Jojo Blanza
doaj   +1 more source

Hierarchical kernel spectral clustering [PDF]

open access: yesNeural Networks, 2012
Kernel spectral clustering fits in a constrained optimization framework where the primal problem is expressed in terms of high-dimensional feature maps and the dual problem is expressed in terms of kernel evaluations. An eigenvalue problem is solved at the training stage and projections onto the eigenvectors constitute the clustering model.
Alzate Perez, Carlos, Suykens, Johan
openaire   +3 more sources

A Spectral Clustering Algorithm Based on Fuzzy Kernel Clustering [PDF]

open access: yesJisuanji gongcheng, 2017
Spectral clustering eigenvector of the Laplace matrix is not limited to the distribution shape of the original data and can converge to the global optimal solution,but it cannot accurately reflect the actual relationship between samples.However,fuzzy ...
FAN Zijing,LUO Ze,MA Yongzheng
doaj   +1 more source

Optimized clustering method for spectral reflectance recovery

open access: yesFrontiers in Psychology, 2022
An optimized method based on dynamic partitional clustering was proposed for the recovery of spectral reflectance from camera response values. The proposed method produced dynamic clustering subspaces using a combination of dynamic and static clustering,
Yifan Xiong   +3 more
doaj   +1 more source

Fast Graph Clustering Algorithm Based on Selection of Key Nodes

open access: yesJisuanji kexue yu tansuo, 2021
Spectral clustering has attracted extensive attention as a typical graph clustering algorithm among clustering algorithms since it has really strong adaptability to complex data distribution and great clustering effect.
YOU Fangzhou, BAI Liang
doaj   +1 more source

Brain tumour segmentation from MRI using superpixels based spectral clustering

open access: yesJournal of King Saud University: Computer and Information Sciences, 2020
The automated brain tumour segmentation method is becoming challenging in the field of medical research as a brain tumour emerges with diverse size, shape and intensity.
Angulakshmi Maruthamuthu   +1 more
doaj   +1 more source

Spectral clustering based on the local similarity measure of shared neighbors

open access: yesETRI Journal, 2022
Spectral clustering has become a typical and efficient clustering method used in a variety of applications. The critical step of spectral clustering is the similarity measurement, which largely determines the performance of the spectral clustering method.
Zongqi Cao, Hongjia Chen, Xiang Wang
doaj   +1 more source

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