Nikolay Metodiev Sirakov

According to our database, Nikolay Metodiev Sirakov authored at least 37 papers between 1996 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Embedding vector field into image features to enhance classification.

Nikolay Metodiev Sirakov, Adam Bowden, M. Chen, Long H. Ngo, Marie Luong

J. Comput. Appl. Math., May, 2024

2023

Deep learning for location prediction on noisy trajectories.

Pravinkumar G. Kandhare, Arie Nakhmani, Nikolay Metodiev Sirakov

Pattern Anal. Appl., February, 2023

Comparison metrics for multi-step prediction of rare events in vital sign signals.

Pravinkumar G. Kandhare, Namasivayam Ambalavanan, Colm P. Travers, Waldemar A. Carlo, Nikolay Metodiev Sirakov, Arie Nakhmani

Biomed. Signal Process. Control., 2023

2022

Skin lesion image classification using sparse representation in quaternion wavelet domain.

Long H. Ngo, Marie Luong, Nikolay Metodiev Sirakov, Emmanuel Viennet, Thuong Le-Tien

Signal Image Video Process., 2022

Image Classification Based on Sparse Representation in the Quaternion Wavelet Domain.

Long H. Ngo, Nikolay Metodiev Sirakov, Marie Luong, Emmanuel Viennet, Thuong Le-Tien

IEEE Access, 2022

2021

Active Contour Directed by the Poisson Gradient Vector Field and Edge Tracking.

Adam Bowden, Nikolay Metodiev Sirakov

J. Math. Imaging Vis., 2021

2020

Classification with Stochastic Learning Methods and Convolutional Neural Networks.

Natasha M. Astudillo, Reginald Bolman, Nikolay Metodiev Sirakov

SN Comput. Sci., January, 2020

A Quaternary Classifier for the Clinical Evaluation of Pigmented Skin Lesions.

Mutlu Mete, Nikolay Metodiev Sirakov, Lauren Dickson, Jillian Frieder, John Griffin, Gregory A. Hosler, Alan Menter

Proceedings of the 20th IEEE International Conference on Bioinformatics and Bioengineering, 2020

2018

Poisson Equation Solution and Its Gradient Vector Field to Geometric Features Detection.

Mengzhe Chen, Nikolay Metodiev Sirakov

Proceedings of the Theory and Practice of Natural Computing - 7th International Conference, 2018

Sparse Representation Wavelet Based Classification.

Long H. Ngo, Marie Luong, Nikolay Metodiev Sirakov, Thuong Le-Tien, Sébastien Guérif, Emmanuel Viennet

Proceedings of the 2018 IEEE International Conference on Image Processing, 2018

2017

Inscribing Convex Polygons in Star-Shaped Objects.

Nikolay Metodiev Sirakov, Nona Nikolaeva Sirakova

Proceedings of the Combinatorial Image Analysis - 18th International Workshop, 2017

Shape Matching for Rigid Objects by Aligning Sequences Based on Boundary Change Points.

Abdullah N. Arslan, Nikolay Metodiev Sirakov

Proceedings of the Combinatorial Image Analysis - 18th International Workshop, 2017

2016

A novel classification system for dysplastic nevus and malignant melanoma.

Mutlu Mete, Nikolay Metodiev Sirakov, John Griffin, Alan Menter

Proceedings of the 2016 IEEE International Conference on Image Processing, 2016

2015

Efficient segmentation with the convex local-global fuzzy Gaussian distribution active contour for medical applications.

Quang Tung Thieu, Marie Luong, Jean-Marie Rocchisani, Nikolay Metodiev Sirakov, Emmanuel Viennet

Ann. Math. Artif. Intell., 2015

Skin lesion feature vectors classification in models of a Riemannian manifold.

Nikolay Metodiev Sirakov, Ye-Lin Ou, Mutlu Mete

Ann. Math. Artif. Intell., 2015

New Accurate Automated Melanoma Diagnosing Systems.

Nikolay Metodiev Sirakov, Mutlu Mete, Richard Selvaggi, Marie Luong

Proceedings of the 2015 International Conference on Healthcare Informatics, 2015

2014

Optimal set of features for accurate skin cancer diagnosis.

Mutlu Mete, Nikolay Metodiev Sirakov

Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

2012

Dermoscopic diagnosis of melanoma in a 4D space constructed by active contour extracted features.

Mutlu Mete, Nikolay Metodiev Sirakov

Comput. Medical Imaging Graph., 2012

Weapon ontology annotation using boundary describing sequences.

Abdullah N. Arslan, Nikolay Metodiev Sirakov, Salvatore Attardo

Proceedings of the IEEE Southwest Symposium on Image Analysis and Interpretation, 2012

Segmentation by a Local and Global Fuzzy Gaussian Distribution Energy Minimization of an Active Contour Model.

Quang Tung Thieu, Marie Luong, Jean-Marie Rocchisani, Nikolay Metodiev Sirakov, Emmanuel Viennet

Proceedings of the Combinatorial Image Analysis - 15th International Workshop, 2012

Skin Lesion Feature Vector Space with a Metric to Model Geometric Structures of Malignancy for Classification.

Mutlu Mete, Ye-Lin Ou, Nikolay Metodiev Sirakov

Proceedings of the Combinatorial Image Analysis - 15th International Workshop, 2012

2011

Automatic boundary detection and symmetry calculation in dermoscopy images of skin lesions.

Nikolay Metodiev Sirakov, Mutlu Mete, Nara Surendra Chakrader

Proceedings of the 18th IEEE International Conference on Image Processing, 2011

2010

Automatic Object Identification using Visual Low Level Feature Extraction and Ontological Knowledge.

Nikolay Metodiev Sirakov, Sang C. Suh, Salvatore Attardo

Trans. SDPS, 2010

Lesion detection in demoscopy images with novel density-based and active contour approaches.

Mutlu Mete, Nikolay Metodiev Sirakov

BMC Bioinform., 2010

2009

Basics of Concepts Representation for Document Summarization.

Sang C. Suh, Sam I. Saffer, Sri Ganesh Anaparthi, Nikolay Metodiev Sirakov

Proceedings of the International Conference on Networked Computing and Advanced Information Management, 2009

An Integral Active Contour Model for Convex Hull and Boundary Extraction.

Nikolay Metodiev Sirakov, Karthik Ushkala

Proceedings of the Advances in Visual Computing, 5th International Symposium, 2009

2007

Monotonic Vector Forces and Green's Theorem for Automatic Area Calculation.

Nikolay Metodiev Sirakov

Proceedings of the International Conference on Image Processing, 2007

Content Based Search in Web Archives.

Sang C. Suh, Nikolay Metodiev Sirakov

Proceedings of the 2007 International Conference on Internet Computing, 2007

2006

A New Active Convex Hull Model for Image Regions.

Nikolay Metodiev Sirakov

J. Math. Imaging Vis., 2006

Multiple Surfaces Reconstruction from 2D Sections Using an Increasing 2D Vector Flow.

Nikolay Metodiev Sirakov

Proceedings of the 2006 International Conference on Image Processing, 2006

Automatic Concavity's Area Calculation using Active Contours and Increasing Flow.

Nikolay Metodiev Sirakov

Proceedings of the International Conference on Image Processing, 2006

2005

A New Active Convex Hull Model For Image Database's Search Space Partitioning.

Nikolay Metodiev Sirakov

Proceedings of The 2005 International Conference on Computer Vision, 2005

2004

Search Space Partitioning Using Convex Hull and Concavity Features for Fast Medical Image Retrieval.

Phillip A. Mlsna, Nikolay Metodiev Sirakov

Proceedings of the 2004 IEEE International Symposium on Biomedical Imaging: From Nano to Macro, 2004

2000

A Morphological Interpolation Approach - Geodesic Set Definition in Case of Empty Intersection.

Isabel Granado, Nikolay Metodiev Sirakov, Fernando Muge

Proceedings of the 5th International Symposium on Mathematical Morphology and its Applications to Image and Signal Processing, 2000

Automatic Feature Extraction and Recognition for Digital Access of Books of the Renaissance.

Fernando Muge, Isabel Granado, Michele Mengucci, Pedro Pina, Vitorino Ramos, Nikolay Metodiev Sirakov, João Rogério Caldas Pinto, A. Marcolino, Mário Ramalho, Pedro Vieira, A. Maia do Amaral

Proceedings of the Research and Advanced Technology for Digital Libraries, 2000

1997

A Fast Approach for Determining of Visibility of 3D Object's Surfaces.

Nikolay Metodiev Sirakov

Proceedings of the Image Analysis and Processing, 9th International Conference, 1997

1996

Automatic reconstruction of 3D branching objects.

Nikolay Metodiev Sirakov

Proceedings of the 13th International Conference on Pattern Recognition, 1996