Christophoros Nikou

ORCID

Publication Activity (10 Years)

Years Active: 1998-2024
Publications (10 Years): 60

Top Venues

Publications

George Retsinas, Giorgos Sfikas, Basilis Gatos, Christophoros Nikou
Best Practices for a Handwritten Text Recognition System. CoRR (2024)
Panagiotis Dimitrakopoulos, Giorgos Sfikas, Christophoros Nikou
Implicit Neural Representation Inference for Low-Dimensional Bayesian Deep Learning. ICLR (2024)
Pantelis Rempakos, Michalis Vrigkas, Marina E. Plissiti, Christophoros Nikou
Spatial Transformer Generative Adversarial Network for Image Super-Resolution. ICIAP (1) (2023)
Iason-Ioannis Panagos, Angelos P. Giotis, Sokratis Sofianopoulos, Christophoros Nikou
A New Benchmark for Consumer Visual Tracking and Apparent Demographic Estimation from RGB and Thermal Images. Sensors 23 (23) (2023)
George Retsinas, Giorgos Sfikas, Christophoros Nikou
Keyword Spotting Simplified: A Segmentation-Free Approach using Character Counting and CTC re-scoring. CoRR (2023)
Giorgos Sfikas, George Retsinas, Panagiotis Dimitrakopoulos, Basilis Gatos, Christophoros Nikou
Shared-Operation Hypercomplex Networks for Handwritten Text Recognition. ICDAR (4) (2023)
George Retsinas, Giorgos Sfikas, Christophoros Nikou
Keyword Spotting Simplified: A Segmentation-Free Approach Using Character Counting and CTC Re-scoring. ICDAR (1) (2023)
Michalis Vrigkas, Virginia Tagka, Marina E. Plissiti, Christophoros Nikou
Composition of Motion from Video Animation Through Learning Local Transformations. ICASSP (2023)
Iason-Ioannis Panagos, Angelos P. Giotis, Christophoros Nikou
Multi-object Visual Tracking for Indoor Images of Retail Consumers. IVMSP (2022)
Panagiotis Dimitrakopoulos, Giorgos Sfikas, Christophoros Nikou
Variational Feature Pyramid Networks. ICML (2022)
George Retsinas, Giorgos Sfikas, Basilis Gatos, Christophoros Nikou
Best Practices for a Handwritten Text Recognition System. DAS (2022)
Aggelos Katsaliros, Iason-Ioannis Panagos, Giorgos Sfikas, Christophoros Nikou
Road Crack Detection Using Quaternion Neural Networks. IVMSP (2022)
George Retsinas, Giorgos Sfikas, Basilis Gatos, Christophoros Nikou
On-the-Fly Deformations for Keyword Spotting. DAS (2022)
Giorgos Sfikas, George Retsinas, Angelos P. Giotis, Basilis Gatos, Christophoros Nikou
Keyword Spotting with Quaternionic ResNet: Application to Spotting in Greek Manuscripts. DAS (2022)
Iason-Ioannis Panagos, Giorgos Sfikas, Christophoros Nikou
Compressing Audio Visual Speech Recognition Models With Parameterized Hypercomplex Layers. SETN (2022)
Angelos P. Giotis, Giorgos Sfikas, Christophoros Nikou
Adversarial deep features for weakly supervised document image keyword spotting. IVMSP (2022)
Giorgos Sfikas, George Retsinas, Basilis Gatos, Christophoros Nikou
Hypercomplex Generative Adversarial Networks for Lightweight Semantic Labeling. ICPRAI (1) (2022)
Michalis Vrigkas, Evangelia-Andriana Kourfalidou, Marina E. Plissiti, Christophoros Nikou
FaceMask: A New Image Dataset for the Automated Identification of People Wearing Masks in the Wild. Sensors 22 (3) (2022)
George Retsinas, Giorgos Sfikas, Christophoros Nikou
Iterative Weighted Transductive Learning for Handwriting Recognition. ICDAR (4) (2021)
Michalis Vrigkas, Evangelos Kazakos, Christophoros Nikou, Ioannis A. Kakadiaris
Human activity recognition using robust adaptive privileged probabilistic learning. Pattern Anal. Appl. 24 (3) (2021)
George Retsinas, Giorgos Sfikas, Christophoros Nikou, Petros Maragos
From Seq2Seq Recognition to Handwritten Word Embeddings. BMVC (2021)
George Retsinas, Giorgos Sfikas, Christophoros Nikou, Petros Maragos
Deformation-Invariant Networks For Handwritten Text Recognition. ICIP (2021)
Giorgos Sfikas, Angelos P. Giotis, George Retsinas, Christophoros Nikou
Quaternion Generative Adversarial Networks for Inscription Detection in Byzantine Monuments. ICPR Workshops (7) (2020)
Giorgos Tsigkas, Giorgos Sfikas, Anastasios Pasialis, Andreas Vlachopoulos, Christophoros Nikou
Markerless detection of ancient rock carvings in the wild: rock art in Vathy, Astypalaia. Pattern Recognit. Lett. 135 (2020)
Panagiotis Dimitrakopoulos, Giorgos Sfikas, Christophoros Nikou
ISING-GAN: Annotated Data Augmentation with a Spatially Constrained Generative Adversarial Network. ISBI (2020)
Panagiotis Dimitrakopoulos, Giorgos Sfikas, Christophoros Nikou
Wind: Wasserstein Inception Distance For Evaluating Generative Adversarial Network Performance. ICASSP (2020)
Matina Ch. Zerva, Michalis Vrigkas, Lisimachos P. Kondi, Christophoros Nikou
Improving 3D Medical Image Compression Efficiency Using Spatiotemporal Coherence. Image Processing: Algorithms and Systems (2020)
Georgia Chatzitzisi, Michalis Vrigkas, Christophoros Nikou
Gender and Age Estimation Without Facial Information from Still Images. ISVC (1) (2020)
Victor Megir, Giorgos Sfikas, Athanasios Mekras, Christophoros Nikou, Dimosthenis Ioannidis, Dimitrios Tzovaras
Salient Object Detection with Pretrained Deeplab and k-Means: Application to UAV-Captured Building Imagery. ICPR Workshops (7) (2020)
Nikos Nikolaidis, Nikolaos V. Boulgouris, Lisimachos Paul Kondi, Christophoros Nikou, Konstantinos N. Plataniotis
Images of the Athenian Sun: Highlights From ICIP 2018 in Greece [Conference Highlights]. IEEE Signal Process. Mag. 36 (3) (2019)
Panagiotis Kouzouglidis, Giorgos Sfikas, Christophoros Nikou
Automatic Video Colorization Using 3D Conditional Generative Adversarial Networks. ISVC (1) (2019)
Panagiotis Dimitrakopoulos, Giorgos Sfikas, Christophoros Nikou
Nuclei Detection Using Residual Attention Feature Pyramid Networks. BIBE (2019)
Panagiotis Kouzouglidis, Giorgos Sfikas, Christophoros Nikou
Automatic Video Colorization using 3D Conditional Generative Adversarial Networks. CoRR (2019)
Marina E. Plissiti, Panagiotis Dimitrakopoulos, Giorgos Sfikas, Christophoros Nikou, O. Krikoni, Antonia Charchanti
Sipakmed: A New Dataset for Feature and Image Based Classification of Normal and Pathological Cervical Cells in Pap Smear Images. ICIP (2018)
Nikolaos Sarafianos, Theodoros Giannakopoulos, Christophoros Nikou, Ioannis A. Kakadiaris
Curriculum learning of visual attribute clusters for multi-task classification. Pattern Recognit. 80 (2018)
Katerina Papadimitriou, Giorgos Sfikas, Christophoros Nikou
Tomographic Image Reconstruction with a Spatially Varying Gamma Mixture Prior. J. Math. Imaging Vis. 60 (8) (2018)
Oman Magaña-Tellez, Michalis Vrigkas, Christophoros Nikou, Ioannis A. Kakadiaris
SPICE: Superpixel Classification for Cell Detection and Counting. VISIGRAPP (4: VISAPP) (2018)
Evangelos Kazakos, Christophoros Nikou, Ioannis A. Kakadiaris
On the Fusion of RGB and Depth Information for Hand Pose Estimation. ICIP (2018)
Ali Memariani, Christophoros Nikou, Bradley T. Endres, Eugénie Bassères, Kevin W. Garey, Ioannis A. Kakadiaris
DETCIC: Detection of Elongated Touching Cells with Inhomogeneous Illumination using a Stack of Conditional Random Fields. VISIGRAPP (4: VISAPP) (2018)
Michalis Vrigkas, Ermioni Mastora, Christophoros Nikou, Ioannis A. Kakadiaris
Robust Incremental Hidden Conditional Random Fields for Human Action Recognition. ISVC (2018)
Angelos P. Giotis, Giorgos Sfikas, Basilis Gatos, Christophoros Nikou
A survey of document image word spotting techniques. Pattern Recognit. 68 (2017)
Michalis Vrigkas, Christophoros Nikou, Ioannis A. Kakadiaris
Identifying Human Behaviors Using Synchronized Audio-Visual Cues. IEEE Trans. Affect. Comput. 8 (1) (2017)
Michalis Vrigkas, Evangelos Kazakos, Christophoros Nikou, Ioannis A. Kakadiaris
Human Activity Recognition Using Robust Adaptive Privileged Probabilistic Learning. CoRR (2017)
Nikolaos Sarafianos, Theodoros Giannakopoulos, Christophoros Nikou, Ioannis A. Kakadiaris
Curriculum Learning for Multi-Task Classification of Visual Attributes. CoRR (2017)
Giorgos Sfikas, Basilis Gatos, Christophoros Nikou
Semicca: A new semi-supervised probabilistic CCA model for keyword spotting. ICIP (2017)
Christophoros Nikou
MAP tomographic reconstruction with a spatially adaptive hierarchical image model. EUSIPCO (2017)
Vasileios Karavasilis, Christophoros Nikou, Aristidis Likas
Real time visual tracking using a spatially weighted von Mises mixture model. Pattern Recognit. Lett. 90 (2017)
Nikolaos Sarafianos, Theodore Giannakopoulos, Christophoros Nikou, Ioannis A. Kakadiaris
Curriculum Learning of Visual Attribute Clusters for Multi-Task Classification. CoRR (2017)
Michalis Vrigkas, Evangelos Kazakos, Christophoros Nikou, Ioannis A. Kakadiaris
Inferring Human Activities Using Robust Privileged Probabilistic Learning. ICCV Workshops (2017)
Nikolaos Sarafianos, Theodore Giannakopoulos, Christophoros Nikou, Ioannis A. Kakadiaris
Curriculum Learning for Multi-task Classification of Visual Attributes. ICCV Workshops (2017)
Nikolaos Sarafianos, Christophoros Nikou, Ioannis A. Kakadiaris
Predicting Privileged Information for Height Estimation. CoRR (2017)
Michalis Vrigkas, Evangelos Kazakos, Christophoros Nikou, Ioannis A. Kakadiaris
Inferring Human Activities Using Robust Privileged Probabilistic Learning. CoRR (2017)
Abraham Báez-Suárez, Christophoros Nikou, Juan Arturo Nolazco-Flores, Ioannis A. Kakadiaris
Age Classification from Facial Images: Is Frontalization Necessary? ISVC (1) (2016)
Michalis Vrigkas, Christophoros Nikou, Ioannis A. Kakadiaris
Exploiting privileged information for facial expression recognition. ICB (2016)
Ali Memariani, Christophoros Nikou, Bradley T. Endres, Eugénie Bassères, Kevin W. Garey, Ioannis A. Kakadiaris
DeTEC: Detection of Touching Elongated Cells in SEM Images. ISVC (1) (2016)
Giorgos Sfikas, Christophoros Nikou
Bayesian Multiview Manifold Learning Applied to Hippocampus Shape and Clinical Score Data. MCV/BAMBI@MICCAI (2016)
Nikolaos Sarafianos, Christophoros Nikou, Ioannis A. Kakadiaris
Predicting privileged information for height estimation. ICPR (2016)
Ioannis A. Kakadiaris, Mohammad M. Islam, Tian Xie, Christophoros Nikou, Alan B. Lumsden
iRay: Mobile AR Using Structure Sensor. ISMAR Adjunct (2016)
Ioannis A. Kakadiaris, Nikolaos Sarafianos, Christophoros Nikou
Show me your body: Gender classification from still images. ICIP (2016)
Michalis Vrigkas, Christophoros Nikou, Ioannis A. Kakadiaris
Active privileged learning of human activities from weakly labeled samples. ICIP (2016)
Marina E. Plissiti, Michalis Vrigkas, Christophoros Nikou
Segmentation of cell clusters in Pap smear images using intensity variation between superpixels. IWSSIP (2015)
Demetrios P. Gerogiannis, Christophoros Nikou, Lisimachos P. Kondi
Shape encoding for edge map image compression. ICIP (2015)
Demetrios P. Gerogiannis, Christophoros Nikou, Aristidis Likas
Elimination of Outliers from 2-D Point Sets Using the Helmholtz Principle. IEEE Signal Process. Lett. 22 (10) (2015)
Vasileios Karavasilis, Christophoros Nikou, Aristidis Likas
Visual tracking using spatially weighted likelihood of Gaussian mixtures. Comput. Vis. Image Underst. 140 (2015)
Dwiza Riana, Marina E. Plissiti, Christophoros Nikou, Dwi H. Widyantoro, Tati Latifah Rajab Mengko, Oemie Kalsoem
Inflammatory Cell Extraction and Nuclei Detection in Pap Smear Images. Int. J. E Health Medical Commun. 6 (2) (2015)
Angelos P. Giotis, Giorgos Sfikas, Christophoros Nikou, Basilis Gatos
Shape-based word spotting in handwritten document images. ICDAR (2015)
Michalis Vrigkas, Christophoros Nikou, Ioannis A. Kakadiaris
A Review of Human Activity Recognition Methods. Frontiers Robotics AI 2 (2015)
Katerina Papadimitriou, Christophoros Nikou
Tomographic image reconstruction withaspatially varying Gaussian mixture prior. ICIP (2015)
Marina E. Plissiti, Eleni Louka, Christophoros Nikou
Splitting of overlapping nuclei guided by robust combinations of concavity points. Medical Imaging: Image Processing (2014)
Demetrios P. Gerogiannis, Christophoros Nikou, Aristidis Likas
Global sampling of image edges. ICIP (2014)
Michalis Vrigkas, Christophoros Nikou, Ioannis A. Kakadiaris
Classifying Behavioral Attributes Using Conditional Random Fields. SETN (2014)
Giannis K. Chantas, Theodosios Gkamas, Christophoros Nikou
Variational-Bayes Optical Flow. J. Math. Imaging Vis. 50 (3) (2014)
Demetrios Gerogiannis, Christophoros Nikou, Aristidis Likas
Modeling sets of unordered points using highly eccentric ellipses. EURASIP J. Adv. Signal Process. 2014 (2014)
Michalis Vrigkas, Christophoros Nikou, Lisimachos P. Kondi
Robust maximum a posteriori image super-resolution. J. Electronic Imaging 23 (4) (2014)
Angelos P. Giotis, Demetrios P. Gerogiannis, Christophoros Nikou
Word Spotting in Handwritten Text Using Contour-Based Models. ICFHR (2014)
Michalis Vrigkas, Vasileios Karavasilis, Christophoros Nikou, Ioannis A. Kakadiaris
Matching mixtures of curves for human action recognition. Comput. Vis. Image Underst. 119 (2014)
Michalis Vrigkas, Vasileios Karavasilis, Christophoros Nikou, Ioannis A. Kakadiaris
Action Recognition by Matching Clustered Trajectories of Motion Vectors. VISAPP (1) (2013)
George Rigas, Christophoros Nikou, Yorgos Goletsis, Dimitrios I. Fotiadis
Hierarchical Similarity Transformations Between Gaussian Mixtures. IEEE Trans. Neural Networks Learn. Syst. 24 (11) (2013)
Michalis Vrigkas, Christophoros Nikou, Lisimachos P. Kondi
Accurate image registration for MAP image super-resolution. Signal Process. Image Commun. 28 (5) (2013)
Demetrios Gerogiannis, Christophoros Nikou
Tex-Lex: Automated generation of texture lexicons using images from the world wide web. DSP (2013)
Vasileios Karavasilis, Christophoros Nikou, Aristidis Likas
Gaussian Mixture-based Mean Shift for Tracking under Abrupt Illumination Changes. IIH-MSP (2012)
Demetrios Gerogiannis, Christophoros Nikou, Aristidis Likas
Registering sets of points using Bayesian regression. Neurocomputing 89 (2012)
Marina E. Plissiti, Christophoros Nikou
Overlapping Cell Nuclei Segmentation Using a Spatially Adaptive Active Physical Model. IEEE Trans. Image Process. 21 (11) (2012)
Vasileios Karavasilis, Konstantinos Blekas, Christophoros Nikou
A novel framework for motion segmentation and tracking by clustering incomplete trajectories. Comput. Vis. Image Underst. 116 (11) (2012)
Theodosios Gkamas, Giannis K. Chantas, Christophoros Nikou
A probabilistic formulation of the optical flow problem. ICPR (2012)
Michalis Vrigkas, Christophoros Nikou, Lisimachos P. Kondi
A fully robust framework for MAP image super-resolution. ICIP (2012)
Marina E. Plissiti, Christophoros Nikou
Cervical Cell Classification Based Exclusively on Nucleus Features. ICIAR (2) (2012)
Theodoris Athanasiadis, Ioannis Fudos, Christophoros Nikou, Vasiliki Stamati
Feature-based 3D morphing based on geometrically constrained spherical parameterization. Comput. Aided Geom. Des. 29 (1) (2012)
Demetrios Gerogiannis, Christophoros Nikou, Aristidis Likas
Fast and efficient vanishing point detection in indoor images. ICPR (2012)
Vasileios Karavasilis, Christophoros Nikou, Aristidis Likas
Visual Tracking by Weighted Likelihood Maximization. ICTAI (2012)
Theodosios Gkamas, Christophoros Nikou
Guiding optical flow estimation using superpixels. DSP (2011)
Vasileios Karavasilis, Konstantinos Blekas, Christophoros Nikou
Motion Segmentation by Model-Based Clustering of Incomplete Trajectories. ECML/PKDD (2) (2011)
Giorgos Sfikas, Christophoros Nikou, Nikolas P. Galatsanos, Christian Heinrich
Majorization-minimization mixture model determination in image segmentation. CVPR (2011)
Demetrios Gerogiannis, Christophoros Nikou, Aristidis Likas
A split-and-merge framework for 2D shape summarization. ISPA (2011)
Marina E. Plissiti, Christophoros Nikou, Antonia Charchanti
Combining shape, texture and intensity features for cell nuclei extraction in Pap smear images. Pattern Recognit. Lett. 32 (6) (2011)
Vasileios Karavasilis, Christophoros Nikou, Aristidis Likas
Visual tracking using the Earth Mover's Distance between Gaussian mixtures and Kalman filtering. Image Vis. Comput. 29 (5) (2011)
Marina E. Plissiti, Christophoros Nikou, Antonia Charchanti
Automated Detection of Cell Nuclei in Pap Smear Images Using Morphological Reconstruction and Clustering. IEEE Trans. Inf. Technol. Biomed. 15 (2) (2011)
Marina E. Plissiti, Christophoros Nikou
Cell nuclei segmentation by learning a physically based deformable model. DSP (2011)
Michalis Vrigkas, Christophoros Nikou, Lisimachos P. Kondi
On the improvement of image registration for high accuracy super-resolution. ICASSP (2011)
Christophoros Nikou, Aristidis Likas, Nikolas P. Galatsanos
A Bayesian Framework for Image Segmentation With Spatially Varying Mixtures. IEEE Trans. Image Process. 19 (9) (2010)

Christophoros Nikou.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

Christophoros Nikou