July 2021

Fast simulations in Computer-Generated Holograms for Binary data storage.


Manuel Ballester, Florian Schiffers, Zihao Wang, Hamid Hasani, Lionel Fiske, Prasan Shedligeri, Jack Tumblin, Florian Willomitzer, Aggelos K. Katsaggelos, Oliver Cossairt,

Conference paper at Computational Optical Sensing and Imaging (OSA)

[PDF]

May 2021

Improving Acquisition Speed of X-Ray Ptychography through Spatial Undersampling and Regularization


P. Shedligeri, S. Barutcu, F. Schiffers, P. Ruiz, A. K. Katsaggelos, O. Cossairt,

Proc. of the IEEE Conf. on Image Processing

[PDF]

July 2021

Regularization for Undersampled Ptychography


P. Shedligeri, S. Barutcu, F. Schiffers, P. Ruiz, A. K. Katsaggelos, O. Cossairt,

Computational Optical Sensing and Imaging

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October 2020

Interpretation of Brain Morphology in Association to Alzheimer’s Disease Dementia Classification Using Graph Convolutional Networks on Triangulated Meshes


E. Azcona, P. Besson, Y. Wu, A. Punjabi, A. Martersteck, A. Dravid, T. B. Parrish, S. K. Bandt, A. K. Katsaggelos,

Proceedings of International Workshop on Shape in Medical Imaging (ShapeMI) in Conjunction with MICCAI 2020. LNCS, vol 12474. Springer

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January 2020

Fully Automatic Blind Color Deconvolution of Histological Images Using Super Gaussians


F. Pérez-Bueno, M. Vega, V. Naranjo, R. Molina, A. K. Katsaggelos,

2020 28th European Signal Processing Conference (EUSIPCO)

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Gated Recurrent Networks for Video Super Resolution


S. López-Tapia, A. Lucas, R. Molina, A. K. Katsaggelos,

2020 28th European Signal Processing Conference (EUSIPCO)

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June 2020

Joint Filtering of Intensity Images and Neuromorphic Events for High-Resolution Noise-Robust Imaging


Z. W. Wang, P. Duan, O. Cossairt, A. K. Katsaggelos, T. Huang, B. Shi,

2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

[PDF]

October 2020

Super Gaussian Priors for Blind Color Deconvolution of Histological Images


F. Pérez-Bueno, M. Vega, V. Naranjo, R. Molina, A. K. Katsaggelos,

2020 IEEE Int. Conf. on Image Processing (ICIP)

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September 2020

Simultaneous 3D X-Ray Ptycho-Tomography with Gradient Descent


S. Barutcu, P. Ruiz, F. Schiffers, S. Aslan, D. Gursoy, O. Cossairt, A. K. Katsaggelos,

IEEE Int. Conf. on Image Processing (ICIP)

[PDF]

September 2019

Efficient Fine-tuning of Neural Networks for Artifact Removal in Deep Learning for Inverse Imaging Problems


A. Lucas, S. Lopez-Tapia, R. Molina, A.K. Katsaggelos,

IEEE 2019 International Conference on Image Processing (ICIP)

December 2019

Self-Supervised Fine-tuning for Image Enhancement of Super-Resolution Deep Neural Networks


A. Lucas, S. Lopez-Tapia, R. Molina, A.K. Katsaggelos,

arXiv preprint arXiv:1912.12879

September 2019

Multiple-Degradation Video Super-Resolution with Direct Inversion of the Low-Resolution Formation Model


S. Lopez-Tapia, A. Lucas, R. Molina, A.K. Katsaggelos,

2019 27th European Signal Processing Conference (EUSIPCO)

GAN-Based Video Super-Resolution with Direct Regularized Inversion of the Low-Resolution Formation Model


S. Lopez-Tapia, A. Lucas, R. Molina, A.K. Katsaggelos,

IEEE 2019 International Conference on Image Processing (ICIP)

An Adaptive Video Acquisition Scheme for Object Tracking


S. Banerjee, J. G. Serra, H. Chopp, O. Cossairt, A. K. Katsaggelos,

2019 27th European Signal Processing Conference (EUSIPCO)

[PDF]

May 2019

Spatially Adaptive Losses for Video Super-resolution with GANs


X. Wang, A. Lucas, S. L. Tapia, X. Wu, R. Molina, A. K. Katsaggelos,

IEEE Int. Conf. on Acoustics, Speech and Signal Processing

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May 2018

ADP: Automatic differentiation ptychography


S. Ghosh, Y. Nashed, O. Cossairt, A. K. Katsaggelos,

IEEE Int. Conf. on Computational Photography, pp.1-10

[PDF]

September 2018

Fully Automated Blind Color Deconvolution of Histopathological Images


N. Hidalgo-Gavira, J. Mateos, M. Vega, R. Molina, A. K. Katsaggelos,

Int. Conf. on Medical Image Computing and Computer-Assisted Intervention, pp. 183-191

[PDF]

October 2018

Bayesian Approach for Automatic Joint Parameter Estimation in 3D Image Reconstruction from Multi-Focus Microscope


S. Yoo, P. Ruiz, X. Huang, K. He, X. Wang, et al.,

25th IEEE Int. Conf. on Image Processing, pp. 3583-3587

[PDF]

An Interior Point Method for Nonnegative Sparse Signal Reconstruction


X. Huang, K. He, S. Yoo, O. Cossairt, A. K. Katsaggelos, et al.,

25th IEEE Int. Conf. on Image Processing, pp. 1193-1197

[PDF]

February 2018

Efficient video object segmentation via network modulation


L. Yang, Y. Wang, X. Xiong, J. Yang, A. K. Katsaggelos,

IEEE/CVF Conf. on Computer Vision and Pattern Recognition, pp. 6499-6507

[PDF]

October 2018

Video Error Concealment Using Deep Neural Networks


A. Sankisa, A. Punjabi, A. K. Katsaggelos,

25th IEEE Int. Conf. on Image Processing, pp. 380-384

[PDF]

April 2018

3D image reconstruction from multi-focus microscope: axial super-resolution and multiple-frame processing


S. Yoo, P. Ruiz, X. Huang, K. He, N. J. Ferrier, et al.,

IEEE Int. Conf. on Acoustics, Speech and Signal Processing, pp. 1453-1457

[PDF]

June 2018

Hard Exudate Detection Using Local Texture Analysis and Gaussian Processes


A. Colomer, P. Ruiz, V. Naranjo, R. Molina, A. K. Katsaggelos,

Int. Conf. on Image Analysis and Recognition, pp. 639-649

[PDF]

October 2018

Blind Color Deconvolution of Histopathological Images Using a Variational Bayesian Approach


N. Hidalgo-Gavira, J. Mateos, M. Vega, R. Molina, A. K. Katsaggelos,

25th IEEE Int. Conf. on Image Processing, pp. 983-987

[PDF]

Probabilistic Matrix Completion for Image Phase Retrieval


P. Nyfantis, P. Ruiz, A. K. Katsaggelos,

25th IEEE Int. Conf. on Image Processing, pp. 3983-3987

[PDF]

May 2018

Automatic Characterization of Plaques and Tissue in IVOCT Images Using a Multi-step Convolutional Neural Network Framework


G. A. Cheimariotis, M. Riga, K. Toutouzas, D. Tousoulis, A. K. Katsaggelos, N. Maglaveras,

World Congress on Medical Physics and Biomedical Engineering 2018, pp. 261-265

May 2017

High-speed holographic imaging using compressed sensing and phase retrieval


Z. Wang, D. Ryu, K. He, R. Horstmeyer, A. K. Katsaggelos, O. Cossairt,

Computational Imaging II, vol. 10222, pp. 102220G

[PDF]

October 2017

Shape-from-shifting: Uncalibrated photometric stereo with a mobile device


C.-K. Yeh, F. Li, G. Pastorelli, M. Walton, A. K. Katsaggelos, O. Cossairt,

13th IEEE Int. Conf. on e-Science, pp. 551-558

[PDF]

May 2017

Matrix sparsification and non-negative factorization for task partitioning in computational sensing and imaging


D. G. Stork, N. Rohani, A. K. Katsaggelos,

Computational Imaging II, vol. 10222, pp. 102220P

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September 2017

Spike and slab variational inference for blind image deconvolution


J. G. Serra, J. Mateos, R. Molina, A. K. Katsaggelos,

IEEE Int. Conf. on Image Processing, pp. 3765-3769

[PDF]

March 2017

A bayesian multi-frame image super-resolution algorithm using the Gaussian Information Filter


M. Woods, A. K. Katsaggelos,

IEEE Int. Conf. on Acoustics, Speech and Signal Processing, pp. 1368-1372

[PDF]

September 2017

Ptychnet: CNN based fourier ptychography


A. Kappeler, S. Ghosh, J. Holloway, O. Cossairt, A. K. Katsaggelos,

IEEE Int. Conf. on Image Processing, pp. 1712-1716

[PDF]

March 2017

Deep multi-view models for glitch classification


S. Bahaadini, N. Rohani, S. Coughlin, M. Zevin, V. Kalogera, A. K. Katsaggelos,

IEEE Int. Conf. on Acoustics, Speech and Signal Processing, pp. 2931-2935

[PDF]

September 2017

Passive millimeter wave image classification with large scale Gaussian processes


P. Morales-Alvarez, A. Pérez-Suay, R. Molina, G. Camps-Valls, A. K. Katsaggelos,

IEEE Int. Conf. on Image Processing, pp. 370-374

[PDF]

Greedy Bayesian double sparsity dictionary learning


J. G. Serra, S. Villena, R. Molina, A. K. Katsaggelos,

IEEE Int. Conf. on Image Processing, pp. 1935-1939

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August 2017

Parameter estimation in spike and slab variational inference for blind image deconvolution


J. G. Serra, J. Mateos, R. Molina, A. K. Katsaggelos,

25th European Signal Processing Conf., pp. 1495-1499

[PDF]

Visualization of feature evolution during convolutional neural network training


A. Punjabi, A. K. Katsaggelos,

25th European Signal Processing Conf., pp. 311-315

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July 2017

A Logarithmic X-Ray Imaging Model for Baggage Inspection: Simulation and Object Detection


D. Mery, A. K. Katsaggelos,

Proc. of the IEEE Conf. on Computer Vision and Pattern Recognition Workshops, pp. 57-65

[PDF]

June 2017

Dictionary-based phase retrieval for space-time super resolution using lens-free on-chip holographic video


Z. Wang, Q. Dai, D. Ryu, K. He, R. Horstmeyer, et al.,

Computational Optical Sensing and Imaging, pp. CTu2B. 3

[PDF]

May 2017

4D tracking of biological samples using lens-free on-chip in-line holography


Z. Wang, D. Ryu, K. He, O. Cossairt, A. K. Katsaggelos,

Digital Holography and Three-Dimensional Imaging, pp. Tu2A. 4

[PDF]

September 2016

Multi-model robust error correction for face recognition


M. Iliadis, L. Spinoulas, A. S. Berahas, H. Wang, A. K. Katsaggelos,

IEEE Int. Conf. on Image Processing, pp. 3229-3233

[PDF]

Variational Gaussian process for missing label crowdsourcing classification problems


P. Ruiz, E. Besler, R. Molina, A. K. Katsaggelos,

26th IEEE Int. Workshop on Machine Learning for Signal Processing, pp. 1-6

[PDF]

Heart sound anomaly and quality detection using ensemble of neural networks without segmentation


M. Zabihi, A. B. Rad, S. Kiranyaz, M. Gabbouj, A. K. Katsaggelos,

Computing in Cardiology Conference, pp. 613-616

[PDF]

August 2016

Automatic pigment identification on roman Egyptian paintings by using sparse modeling of hyperspectral images


N. Rohani, J. Salvant, S. Bahaadini, O. Cossairt, M. Walton, A. K. Katsaggelos,

24th European Signal Processing Conf., pp. 2111-2115

[PDF]

September 2016

Super-resolution of compressed videos using convolutional neural networks


A. Kappeler, S. Yoo, Q. Dai, A. K. Katsaggelos,

IEEE Int. Conf. on Image Processing, pp. 1150-1154

[PDF]

August 2016

Compressed sensing super resolution of color images


W. Saafin, M. Vega, R. Molina, A. K. Katsaggelos,

24th European Signal Processing Conf., pp. 1563-1567

[PDF]

September 2016

Block based video alignment with linear time and space complexity


A. Kappeler, M. Iliadis, H. Wang, A. K. Katsaggelos,

IEEE Int. Conf. on Image Processing, pp. 3324-3328

[PDF]

August 2016

Classification of multiple annotator data using variational Gaussian process inference


E. Besler, P. Ruiz, R. Molina, A. K. Katsaggelos,

24th European Signal Processing Conf., pp. 2025-2029

[PDF]

September 2016

A novel cumulative distortion metric and a no-reference sparse prediction model for packet prioritization in encoded video transmission


A. Sankisa, K. Pandremmenou, L. P. Kondi, A. K. Katsaggelos,

IEEE Int. Conf. on Image Processing, pp. 2097-2101

[PDF]

July 2016

X-ray fluorescence image super-resolution using dictionary learning


Q. Dai, E. Pouyet, O. Cossairt, M. Walton, F. Casadio, A. K. Katsaggelos,

2016 IEEE 12th Image, Video, and Multidimensional Signal Processing Workshop (IVMSP), pp. 1-5

[PDF]