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Department of Electrical and Computer Engineering

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Iosifidis, A., Tefas, A. & Pitas, I. (2015). DropELM: Fast Neural Network Regularization with Dropout and DropConnect. Neurocomputing, 162, 57-66. https://doi.org/10.1016/j.neucom.2015.04.006

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Enhancing Class Discrimination in Kernel Discriminant Analysis. In Acoustics, Speech and Signal Processing (ICASSP), 2015 IEEE International Conference on (pp. 1926-1930). IEEE. https://doi.org/10.1109/ICASSP.2015.7178306

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Enhancing ELM-based facial image classification by exploiting multiple facial views. In Procedia Computer Science (Vol. 51, pp. 2814-2821). ELSEVIER. https://doi.org/10.1016/j.procs.2015.05.440

Mademlis, I., Iosifidis, A., Tefas, A., Nikolaidis, N. & Pitas, I. (2015). Exploiting Stereoscopic Disparity for Augmenting Human Activity Recognition Performance. Multimedia Tools and Applications, 75(19), 11641-11660. https://doi.org/10.1007/s11042-015-2719-x

Mygdalis, V., Iosifidis, A., Tefas, A. & Pitas, I. (2015). Exploiting subclass information in one-class support vector machine for video summarization. In Acoustics, Speech and Signal Processing (ICASSP), 2015 IEEE International Conference on (pp. 2259-2263). IEEE. https://doi.org/10.1109/ICASSP.2015.7178373

Iosifidis, A. (2015). Extreme Learning Machine based Supervised Subspace Learning. Neurocomputing, 167, 158-164. https://doi.org/10.1016/j.neucom.2015.04.083

Tsapanos, N., Tefas, A., Nikolaidis, N., Iosifidis, A. & Pitas, I. (2015). Fast Kernel Matrix Computation for Big Data Clustering. In Procedia Computer Science (pp. 2445-2452). ELSEVIER. https://doi.org/10.1016/j.procs.2015.05.352

Iosifidis, A. & Pitas, I. (2015). Graph-based Pattern Classification and Dimensionality Reduction. In I. Pitas (Ed.), Graph-Based Social Media Analysis CRC Press.

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Graph Embedded Extreme Learning Machine. IEEE Transactions on Cybernetics, 46(1), 311-324. https://doi.org/10.1109/TCYB.2015.2401973

Iosifidis, A., Tsapanos, N. & Pitas, I. (2015). Graphs in social and digital media. In I. Pitas (Ed.), Graph-Based Social Media Analysis CRC Press.

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Human Action Recognition based on Multi-view Regularized Extreme Learning Machine. International Journal on Artificial Intelligence Tools, 24(5), Article 1540020. https://doi.org/10.1142/S0218213015400205

Mygdalis, V., Iosifidis, A., Tefas, A. & Pitas, I. (2015). Large-scale classification by an Approximate Least Squares One-Class Support Vector Machine ensemble. In Trustcom/BigDataSE/ISPA, 2015 IEEE (pp. 6-10). IEEE. https://doi.org/10.1109/Trustcom.2015.555

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Large-scale nonlinear facial image classification based on Approximate Kernel Extreme Learning Machine. In Image Processing (ICIP), 2015 IEEE International Conference on (pp. 2449-2453). IEEE. https://doi.org/10.1109/ICIP.2015.7351242

Tsapanos, N., Iosifidis, A. & Pitas, I. (2015). Mathematical preliminaries: graphs and matrices. In I. Pitas (Ed.), Graph-Based Social Media Analysis CRC Press.

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Merging Linear Discriminant Analysis with Bag of Words model for Human Action Recognition. In Image Processing (ICIP), 2015 IEEE International Conference on (pp. 832-836). IEEE. https://doi.org/10.1109/ICIP.2015.7350916

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Nearest Class Vector Classification for Large-Scale Learning Problems. In 2015 IEEE Trustcom/BigDataSE/ISPA (pp. 11-16). IEEE. https://doi.org/10.1109/Trustcom-BigDataSe-

Iosifidis, A. & Gabbouj, M. (2015). On the kernel Extreme Learning Machine speedup. Pattern Recognition Letters, 68/1, 205-210. https://doi.org/10.1016/j.patrec.2015.09.015

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Regularized Extreme Learning Machine for large-scale media content analysis. In Procedia Computer Science (pp. 420-427). ELSEVIER. https://doi.org/10.1016/j.procs.2015.07.319

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Single-hidden Layer Feedforward Neural network training using class geometric information. In Lecture Notes: Studies in Computational Intelligence Springer.

Iosifidis, A., Tefas, A. & Pitas, I. (2015). Sparse Extreme Learning Machine classifier exploiting Intrinsic Graphs. Pattern Recognition Letters, 65, 192-196. https://doi.org/10.1016/j.patrec.2015.07.036

Iosifidis, A., Marami, E., Tefas, A., Pitas, I. & Lyroudia, K. (2015). The MOBISERV-AIIA Eating and Drinking multi-view database for vision-based assisted living. Journal of Information Hiding and Multimedia Signal Processing, 6(2), 254-273. http://bit.kuas.edu.tw/~jihmsp/2015/vol6/JIH-MSP-2015-02-008.pdf

Patrona, F., Iosifidis, A., Tefas, A., Nikolaidis, N. & Pitas, I. (2015). Visual Voice Activity Detection based on Spatiotemporal Information and Bag of Words. In Image Processing (ICIP), 2015 IEEE International Conference on (pp. 2334-2338). IEEE. https://doi.org/10.1109/ICIP.2015.7351219

Magris, M., Ntakaris, A., Kanniainen, J., Iosifidis, A. & Gabbouj, M. (2016). Analysis of high-frequency order flow dynamics with machine learning techniques. In 10th International Conference on Computational and Financial Econometrics

Iosifidis, A., Tefas, A. & Pitas, I. (2016). Approximate Kernel Extreme Learning Machine for Large-Scale Data Classification. Neurocomputing, 219, 210-220. https://doi.org/10.1016/j.neucom.2016.09.023

Iosifidis, A., Tefas, A., Pitas, I. & Gabbouj, M. (2016). A review of approximate methods for kernel-based Big Media Data Analysis. In 2016 24th European Signal Processing Conference, EUSIPCO 2016 (pp. 1113-1117). Article 7760421 IEEE. https://doi.org/10.1109/EUSIPCO.2016.7760421

Iosifidis, A. & Gabbouj, M. (2016). Combining Multi-class Maximum Margin Classification with Linear Discriminant Analysis for Human Action Recognition. In 2016 IEEE International Conference on Image Processing, ICIP 2016 - Proceedings (pp. 4180-4184). Article 7533147 IEEE. https://doi.org/10.1109/ICIP.2016.7533147

Cao, G., Iosifidis, A., Chen, K. & Gabbouj, M. (2016). Generalized Multi-view Embedding for Visual Recognition and Cross-modal Retrieval. arXiv, 1-14 (+ 3). https://arxiv.org/pdf/1605.09696.pdf

Mygdalis, V., Iosifidis, A., Tefas, A. & Pitas, I. (2016). Graph Embedded One-Class Classifiers for media data classification. Pattern Recognition, 60, 585-595. https://doi.org/10.1016/j.patcog.2016.05.033

Iosifidis, A. & Gabbouj, M. (2016). Graph-regularized Multi-class Support Vector Machines for Face and Action Recognition. In 2016 24th European Signal Processing Conference, EUSIPCO 2016 (pp. 96-100). Article 7760217 IEEE. https://doi.org/10.1109/EUSIPCO.2016.7760217

Iosifidis, A. & Gabbouj, M. (2016). Hierarchical Class-Specific Kernel Discriminant Analysis for Face Verification. In VCIP 2016 - 30th Anniversary of Visual Communication and Image Processing Article 7805565 IEEE. https://doi.org/10.1109/VCIP.2016.7805565

Mygdalis, V., Iosifidis, A., Tefas, A. & Pitas, I. (2016). Kernel Subclass Support Vector Description for Face and Human Action Recognition. In 2016 1st International Workshop on Sensing, Processing and Learning for Intelligent Machines, SPLINE 2016 - Proceedings Article 7528409 IEEE. https://doi.org/10.1109/SPLIM.2016.7528409

Mygdalis, V., Iosifidis, A., Tefas, A. & Pitas, I. (2016). Laplacian One Class Extreme Learning Machine for Human Action Recognition. In 2016 IEEE 18th International Workshop on Multimedia Signal Processing, MMSP 2016 Article 7813387 IEEE. https://doi.org/10.1109/MMSP.2016.7813387

Riabchenko, E., Meissner, K., Ahmad, I., Iosifidis, A., Tirronen, V., Gabbouj, M. & Kiranyaz, S. (2016). Learned vs. Engineered Features for Fine-Grained Classification of Aquatic Macroinvertebrates. In 2016 23rd International Conference on Pattern Recognition, ICPR 2016 (pp. 2276-2281). Article 7899975 IEEE. https://doi.org/10.1109/ICPR.2016.7899975

Aytekin, C., Iosifidis, A., Kiranyaz, S. & Gabbouj, M. (2016). Learning Graph Affinities for Spectral Graph-based Salient Object Detection. Pattern Recognition, 64, 159-167. https://doi.org/10.1016/j.patcog.2016.11.005

Kicanaoglu, B., Iosifidis, A. & Gabbouj, M. (2016). Maximum Margin Binary Classifiers using Intrinsic and Penalty graphs. In 2016 24th European Signal Processing Conference, EUSIPCO 2016 (pp. 2270-2274). Article 7760653 IEEE. https://doi.org/10.1109/EUSIPCO.2016.7760653

Iosifidis, A. & Gabbouj, M. (2016). Multi-class Support Vector Machine Classifiers using Intrinsic and Penalty Graphs. Pattern Recognition, 55, 231-246. https://doi.org/10.1016/j.patcog.2016.02.002

Cao, G., Waris, M. A., Iosifidis, A. & Gabbouj, M. (2016). Multi-modal Subspace Learning with Dropout regularization for Cross-modal Recognition and Retrieval. In 2016 6th International Conference on Image Processing Theory, Tools and Applications, IPTA 2016 Article 7821032 IEEE. https://doi.org/10.1109/IPTA.2016.7821032

Iosifidis, A. & Gabbouj, M. (2016). Nyström-based Approximate Kernel Subspace Learning. Pattern Recognition, 57, 190-197. https://doi.org/10.1016/j.patcog.2016.03.018

Waris, M. A., Iosifidis, A. & Gabbouj, M. (2016). Object Proposals using CNN-based edge filtering. In 2016 23rd International Conference on Pattern Recognition, ICPR 2016 (pp. 627-632). Article 7899704 IEEE. https://doi.org/10.1109/ICPR.2016.7899704

Mygdalis, V., Iosifidis, A., Tefas, A. & Pitas, I. (2016). One Class Classification applied in Facial Image Analysis. In 2016 IEEE International Conference on Image Processing, ICIP 2016 - Proceedings (pp. 1644-1648). Article 7532637 IEEE. https://doi.org/10.1109/ICIP.2016.7532637

Iosifidis, A., Mygdalis, V., Tefas, A. & Pitas, I. (2016). One-Class Classification based on Extreme Learning and Geometric Class Information. Neural Processing Letters, 45(2), 577-592. https://doi.org/10.1007/s11063-016-9541-y

Kiranyaz, S., Ince, T., Iosifidis, A. & Gabbouj, M. (2016). Progressive Operational Perceptrons. Neurocomputing, 224, 142-154. https://doi.org/10.1016/j.neucom.2016.10.044

Iosifidis, A. & Gabbouj, M. (2016). Prototype-based Class-Specific Nonlinear Subspace Learning for Large-Scale Face Verification. In 2016 6th International Conference on Image Processing Theory, Tools and Applications, IPTA 2016 Article 7820988 IEEE. https://doi.org/10.1109/IPTA.2016.7820988

Aytekin, C., Kiranyaz, S., Iosifidis, A. & Gabbouj, M. (2016). Recent advances in salient object detection -- Towards object recognition in big media data. Futura – Big Data, 35(2), 80-92. https://tutcris.tut.fi/portal/en/publications/recent-advances-in-salient-object-detection--towards-object-recognition-in-big-media-data(1e2959cf-8622-4243-b78b-6eb03f34a0ce).html

Aytekin, C., Iosifidis, A., Kiranyaz, S. & Gabbouj, M. (2016). Salient Object Segmentation based on Linearly Combined Affinity Graphs. In 2016 23rd International Conference on Pattern Recognition, ICPR 2016 (pp. 3769-3774). Article 7900221 IEEE. https://doi.org/10.1109/ICPR.2016.7900221

Iosifidis, A. & Gabbouj, M. (2016). Scaling up Class-Specific Kernel Discriminant Analysis for large-scale Face Verification. IEEE Transactions on Information Forensics and Security, 11(11), 2453-2465. Article 7494969. https://doi.org/10.1109/TIFS.2016.2582562

Iosifidis, A. & Gabbouj, M. (2016). Supervised Subspace Learning based on Deep Randomized Networks. In 2016 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016 - Proceedings (pp. 2584-2588). Article 7472144 IEEE. https://doi.org/10.1109/ICASSP.2016.7472144

Ärje, J., Kärkkäinen, S., Meissner, K., Iosifidis, A., Ince, T., Gabbouj, M. & Kiranyaz, S. (2016). The effect of automated taxa identification errors on biological indices. Expert Systems with Applications, 72, 108-120. https://doi.org/10.1016/j.eswa.2016.12.015

Patrona, F., Iosifidis, A., Tefas, A., Nikolaidis, N. & Pitas, I. (2016). Visual Voice Activity Detection in the Wild. IEEE Transactions on Multimedia, 18(6), 967-977. Article 7420734. http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7420734

Ntakaris, A., Magris, M., Kanniainen, J., Gabbouj, M. & Iosifidis, A. (2017). Benchmark Dataset for Mid-Price Prediction of Limit Order Book data. arXiv. https://arxiv.org/pdf/1705.03233.pdf

Displaying results 51 to 100 out of 290

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Alexandros Iosifidis