Orcan Alpar

According to our database, Orcan Alpar authored at least 37 papers between 2014 and 2024.

Collaborative distances:

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

2024

Nakagami imaging and morphing for multiple sclerosis lesion volume estimation.

Orcan Alpar, Ondrej Soukup, Pavel Ryska, Radka Dvorakova, Jiri Jandura, Martin Valis, Ondrej Krejcar

Expert Syst. Appl., January, 2024

2023

A mathematical fuzzy fusion framework for whole tumor segmentation in multimodal MRI using Nakagami imaging.

Orcan Alpar

Expert Syst. Appl., April, 2023

Three-Dimensional Representation and Visualization of High-Grade and Low-Grade Glioma by Nakagami Imaging.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Bioinformatics and Biomedical Engineering, 2023

Whole Tumor Area Estimation in Incremental Brain MRI Using Dilation and Erosion-Based Binary Morphing.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Bioinformatics and Biomedical Engineering, 2023

2022

Nakagami-Fuzzy imaging framework for precise lesion segmentation in MRI.

Orcan Alpar, Rafael Dolezal, Pavel Ryska, Ondrej Krejcar

Pattern Recognit., 2022

Signature barcodes for online verification.

Orcan Alpar

Pattern Recognit., 2022

Low-contrast lesion segmentation in advanced MRI experiments by time-domain Ricker-type wavelets and fuzzy 2-means.

Orcan Alpar, Rafael Dolezal, Pavel Ryska, Ondrej Krejcar

Appl. Intell., 2022

2021

Biometric keystroke barcoding: A next-gen authentication framework.

Orcan Alpar

Expert Syst. Appl., 2021

Monitoring and fuzzy warning system for risk prevention of Guyon's canal syndrome.

Orcan Alpar

Biomed. Signal Process. Control., 2021

Distribution-based imaging for multiple sclerosis lesion segmentation using specialized fuzzy 2-means powered by Nakagami transmutations.

Orcan Alpar, Ondrej Krejcar, Rafael Dolezal

Appl. Soft Comput., 2021

2020

Pin-Code Authentication by Local Proximity Based Touchstroke Classifier.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Bioinformatics and Biomedical Engineering, 2020

Window Functions in Rhythm Based Biometric Authentication.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Bioinformatics and Biomedical Engineering, 2020

2019

TAPSTROKE: A novel intelligent authentication system using tap frequencies.

Orcan Alpar

Expert Syst. Appl., 2019

A novel fuzzy curvature method for recognition of anterior forearm subcutaneous veins by thermal imaging.

Orcan Alpar

Expert Syst. Appl., 2019

2018

Biometric touchstroke authentication by fuzzy proximity of touch locations.

Orcan Alpar

Future Gener. Comput. Syst., 2018

Online signature verification by continuous wavelet transformation of speed signals.

Orcan Alpar

Expert Syst. Appl., 2018

Online signature verification by spectrogram analysis.

Orcan Alpar, Ondrej Krejcar

Appl. Intell., 2018

Detection of Irregular Thermoregulation in Hand Thermography by Fuzzy C-Means.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Bioinformatics and Biomedical Engineering, 2018

Thermal Imaging for Localization of Anterior Forearm Subcutaneous Veins.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Bioinformatics and Biomedical Engineering, 2018

Frequency and Time Localization in Biometrics: STFT vs. CWT.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Recent Trends and Future Technology in Applied Intelligence, 2018

A Comparative Study on Chrominance Based Methods in Dorsal Hand Recognition: Single Image Case.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Recent Trends and Future Technology in Applied Intelligence, 2018

2017

Frequency spectrograms for biometric keystroke authentication using neural network based classifier.

Orcan Alpar

Knowl. Based Syst., 2017

Superficial Dorsal Hand Vein Estimation.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Bioinformatics and Biomedical Engineering, 2017

Quantization and Equalization of Pseudocolor Images in Hand Thermography.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Bioinformatics and Biomedical Engineering, 2017

Biometric Keystroke Signal Preprocessing Part II: Manipulation.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Advances in Artificial Intelligence: From Theory to Practice, 2017

Biometric Keystroke Signal Preprocessing Part I: Signalization, Digitization and Alteration.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Advances in Artificial Intelligence: From Theory to Practice, 2017

Fuzzy warning system against ulnar nerve entrapment.

Orcan Alpar, Ondrej Krejcar

Proceedings of the 2017 IEEE International Conference on Fuzzy Systems, 2017

Detection of Raynaud's Phenomenon by Thermographic Testing for Finger Thermoregulation.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Intelligent Information and Database Systems - 9th Asian Conference, 2017

A New Feature Extraction in Dorsal Hand Recognition by Chromatic Imaging.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Intelligent Information and Database Systems - 9th Asian Conference, 2017

2016

Intelligent collision warning using license plate segmentation.

Orcan Alpar, Radoslav Stojic

J. Intell. Transp. Syst., 2016

Hidden Frequency Feature in Electronic Signatures.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Trends in Applied Knowledge-Based Systems and Data Science, 2016

Dorsal Hand Recognition Through Adaptive YCbCr Imaging Technique.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Computational Collective Intelligence - 8th International Conference, 2016

Virtual Road Condition Prediction Through License Plates in 3D Simulation.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Computational Collective Intelligence - 8th International Conference, 2016

2015

Intelligent biometric pattern password authentication systems for touchscreens.

Orcan Alpar

Expert Syst. Appl., 2015

Pattern Password Authentication Based on Touching Location.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Intelligent Data Engineering and Automated Learning - IDEAL 2015, 2015

Biometric Swiping on Touchscreens.

Orcan Alpar, Ondrej Krejcar

Proceedings of the Computer Information Systems and Industrial Management, 2015

2014

Keystroke recognition in user authentication using ANN based RGB histogram technique.

Orcan Alpar

Eng. Appl. Artif. Intell., 2014