Konstantinos D. Koutroumbas

Publication Activity (10 Years)

Years Active: 2014-2022
Publications (10 Years): 21

Top Topics

Possibilistic Clustering

Incomplete Data

Matrix Factorization

Top Venues

IEEE Trans. Fuzzy Syst.

IEEE Signal Process. Lett.

Publications

Angeliki Koutsimpela, Konstantinos D. Koutroumbas
A new stochastic gradient descent possibilistic clustering algorithm. AI Commun. 35 (2) (2022)
Athanasios A. Rontogiannis, Paris V. Giampouras, Konstantinos D. Koutroumbas
Online Reweighted Least Squares Robust PCA. IEEE Signal Process. Lett. 27 (2020)
Aggeliki Koutsibella, Konstantinos D. Koutroumbas
Stochastic gradient descent possibilistic clustering. SETN (2020)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
A Projected Newton-type Algorithm for Nonnegative Matrix Factorization with Model Order Selection. ICASSP (2019)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Alternating Iteratively Reweighted Least Squares Minimization for Low-Rank Matrix Factorization. IEEE Trans. Signal Process. 67 (2) (2019)
Konstantinos D. Koutroumbas, Spyridoula D. Xenaki, Athanasios A. Rontogiannis
On the Convergence of the Sparse Possibilistic C-Means Algorithm. IEEE Trans. Fuzzy Syst. 26 (1) (2018)
Spyridoula D. Xenaki, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
A Novel Online Generalized Possibilistic Clustering Algorithm for Big Data Processing. EUSIPCO (2018)
Ioannis C. Tsaknakis, Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
A Computationally Efficient Tensor Completion Algorithm. IEEE Signal Process. Lett. 25 (8) (2018)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Robust PCA via Alternating Iteratively Reweighted Low-Rank Matrix Factorization. ICIP (2018)
Konstantinos D. Koutroumbas
Introducing Sparsity in Possibilistic Clustering: A Unified Framework and a Line Detection Paradigm. IEEE Trans. Fuzzy Syst. 26 (5) (2018)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Low-rank and sparse NMF for joint endmembers' number estimation and blind unmixing of hyperspectral images. EUSIPCO (2017)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Low-rank and Sparse NMF for Joint Endmembers' Number Estimation and Blind Unmixing of Hyperspectral Images. CoRR (2017)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Alternating Iteratively Reweighted Minimization Algorithms for Low-Rank Matrix Factorization. CoRR (2017)
Eleftheria A. Mylona, Olga A. Sykioti, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
Spectral Unmixing-Based Clustering of High-Spatial Resolution Hyperspectral Imagery. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 10 (8) (2017)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos E. Themelis, Konstantinos D. Koutroumbas
Online sparse and low-rank subspace learning from incomplete data: A Bayesian view. Signal Process. 137 (2017)
Spyridoula D. Xenaki, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
Hyperspectral image clustering using a novel efficient online possibilistic algorithm. EUSIPCO (2016)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Online low-rank subspace learning from incomplete data using rank revealing ℓ2/ℓ1 regularization. SSP (2016)
Paris V. Giampouras, Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Simultaneously Sparse and Low-Rank Abundance Matrix Estimation for Hyperspectral Image Unmixing. IEEE Trans. Geosci. Remote. Sens. 54 (8) (2016)
Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Variational Bayes Group Sparse Time-Adaptive Parameter Estimation With Either Known or Unknown Sparsity Pattern. IEEE Trans. Signal Process. 64 (12) (2016)
Spyridoula D. Xenaki, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
A Novel Adaptive Possibilistic Clustering Algorithm. IEEE Trans. Fuzzy Syst. 24 (4) (2016)
Spyridoula D. Xenaki, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
Sparsity-Aware Possibilistic Clustering Algorithms. IEEE Trans. Fuzzy Syst. 24 (6) (2016)
Paris V. Giampouras, Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Hyperspectral image unmixing via simultaneously sparse and low rank abundance matrix estimation. WHISPERS (2015)
Paris V. Giampouras, Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
A variational Bayes algorithm for joint-sparse abundance estimation. WHISPERS (2014)