An Analysis of Appearance-Based Statistical Methods and Autoassociative Neural Networks On Face Recognition. - Önsen Toygar; Adnan Acan (IC-AI, 2003)

Selection of Optimal Dimensionality Reduction Methods for Face Recognition Using Genetic Algorithms. - Önsen Toygar; Adnan Acan (ADVIS, 2004)

Boosting Face Recognition Speed with a Novel Divide-and-Conquer Approach. - Önsen Toygar; Adnan Acan (ISCIS, 2004)

Multiple classifier implementation of a divide-and-conquer approach using appearance-based statistical methods for face recognition. - Önsen Toygar; Adnan Acan (Pattern Recognit. Lett., 2004)

Illumination Invariant Face Recognition under Various Facial Expressions and Occlusions. - Tiwuya H. Faaya; Önsen Toygar (ICISP, 2008)

On Occlusion Robust, Illumination and Facial Expression Invariant Face Recognition. - Tiwuya H. Faaya; Önsen Toygar (IPCV, 2008)

Reducing the Effect of Partial Occlusions on Iris Recognition. - Meryem Erbilek; Önsen Toygar (VISAPP (1), 2008)

Robustness of Subpattern-Based Approaches to Occlusions on Iris Images. - Meryem Erbilek; Önsen Toygar (IPCV, 2009)

Recognizing Facial Expressions Using Subspace Linear Discriminant Analysis. - Siamak Tafavogh; Önsen Toygar (IPCV, 2009)

Recognizing partially occluded irises using subpattern-based approaches. - Meryem Erbilek; Önsen Toygar (ISCIS, 2009)

Age classification using facial feature extraction on female and male images. - Fatemeh Mirzaei; Önsen Toygar (ICDIP, 2011)

Preserving spatial information and overcoming variations in appearance for face recognition. - Önsen Toygar; Hakan Altinçay (Pattern Anal. Appl., 2011)

Score Level Fusion for Face-Iris Multimodal Biometric System. - Maryam Eskandari; Önsen Toygar (ISCIS, 2013)

Interpolation-based impulse noise removal. - Cem Kalyoncu; Önsen Toygar; Hasan Demirel (IET Image Process., 2013)

A New Approach for Face-Iris Multimodal Biometric Recognition using Score Fusion. - Maryam Eskandari; Önsen Toygar; Hasan Demirel (Int. J. Pattern Recognit. Artif. Intell., 2013)

Human Age Classification with Optimal Geometric ratios and Wrinkle Analysis. - Shima Izadpanahi; Önsen Toygar (Int. J. Pattern Recognit. Artif. Intell., 2014)

Fusion of face and iris biometrics using local and global feature extraction methods. - Maryam Eskandari; Önsen Toygar (Signal Image Video Process., 2014)

Feature extractor selection for face-iris multimodal recognition. - Maryam Eskandari; Önsen Toygar; Hasan Demirel (Signal Image Video Process., 2014)

Selection of optimized features and weights on face-iris fusion using distance images. - Maryam Eskandari; Önsen Toygar (Comput. Vis. Image Underst., 2015)

Geometric leaf classification. - Cem Kalyoncu; Önsen Toygar (Comput. Vis. Image Underst., 2015)

A weighted mean filter with spatial-bias elimination for impulse noise removal. - Cengiz Kandemir; Cem Kalyoncu; Önsen Toygar (Digit. Signal Process., 2015)

A Hybrid Approach for Person Identification Using Palmprint and Face Biometrics. - Mina Farmanbar; Önsen Toygar (Int. J. Pattern Recognit. Artif. Intell., 2015)

GTCLC: leaf classification method using multiple descriptors. - Cem Kalyoncu; Önsen Toygar (IET Comput. Vis., 2016)

Feature selection for the fusion of face and palmprint biometrics. - Mina Farmanbar; Önsen Toygar (Signal Image Video Process., 2016)

Recognition of identical twins using fusion of various facial feature extractors. - Ayman Afaneh; Fatemeh Noroozi; Önsen Toygar (EURASIP J. Image Video Process., 2017)

Spoof detection on face and palmprint biometrics. - Mina Farmanbar; Önsen Toygar (Signal Image Video Process., 2017)

Animal classification using facial images with score-level fusion. - Shahram Taheri; Önsen Toygar (IET Comput. Vis., 2018)

Ear Recognition Based on Fusion of Ear and Tragus Under Different Challenges. - Esraa Alqaralleh; Önsen Toygar (Int. J. Pattern Recognit. Artif. Intell., 2018)

Symmetric ear and profile face fusion for identical twins and non-twins recognition. - Önsen Toygar; Esraa Alqaralleh; Ayman Afaneh (Signal Image Video Process., 2018)

Integrating Feature Extractors for the Estimation of Human Facial Age. - Shahram Taheri; Önsen Toygar (Appl. Artif. Intell., 2019)

Multi-stage age estimation using two level fusions of handcrafted and learned features on facial images. - Shahram Taheri; Önsen Toygar (IET Biom., 2019)

On the use of DAG-CNN architecture for age estimation with multi-stage features fusion. - Shahram Taheri; Önsen Toygar (Neurocomputing, 2019)

An Evaluation of Reverse Image Search Performance of Google. - Yiltan Bitirim; Selin Bitirim; Duygu Çelik Ertugrul; Önsen Toygar (COMPSAC, 2020)

FYO: A Novel Multimodal Vein Database With Palmar, Dorsal and Wrist Biometrics. - Önsen Toygar; Felix Olanrewaju Babalola; Yiltan Bitirim (IEEE Access, 2020)

On the use of ear and profile faces for distinguishing identical twins and nontwins. - Önsen Toygar; Esraa Alqaralleh; Ayman Afaneh (Expert Syst. J. Knowl. Eng., 2020)

Ear anti-spoofing against print attacks using three-level fusion of image quality measures. - Imren Toprak; Önsen Toygar (Signal Image Video Process., 2020)

Detection of spoofing attacks for ear biometrics through image quality assessment and deep learning. - Imren Toprak; Önsen Toygar (Expert Syst. Appl., 2021)

Palm vein recognition through fusion of texture-based and CNN-based methods. - Felix Olanrewaju Babalola; Yiltan Bitirim; Önsen Toygar (Signal Image Video Process., 2021)

Tomato Disease Recognition Using a Compact Convolutional Neural Network. - Emre Özbilge; Mehtap Köse Ulukök; Önsen Toygar; Ebru Ozbilge (IEEE Access, 2022)

Human recognition system through major and minor finger knuckle pattern fusion by symmetric-sum method. - Felix Olanrewaju Babalola; Shehu Hamidu; Önsen Toygar (J. Electronic Imaging, 2023)

Masked face recognition using frontal and profile faces with multiple fusion levels. - Esraa Alqaralleh; Ayman Afaneh; Önsen Toygar (Signal Image Video Process., 2023)

Boosting hand vein recognition performance with the fusion of different color spaces in deep learning architectures. - Felix Olanrewaju Babalola; Önsen Toygar; Yiltan Bitirim (Signal Image Video Process., 2023)

A New Image Enhancement-Based Framework for Spoofing Detection in Ear-Based Biometric Authentication Systems. - Rodrigo Colnago Contreras; Caio Ulisses Silva Carmassi; Monique Simplicio Viana; Önsen Toygar; Rodrigo Capobianco Guido (ICAISC (3), 2024)

CNN-based Alzheimer's disease classification using fusion of multiple 3D angular orientations. - Fuat Uyguroglu; Önsen Toygar; Hasan Demirel (Signal Image Video Process., 2024)

Enhancement of underwater images through a dehazing approach with color balancing and multiscale image fusion. - Yasemin Keskin; Önsen Toygar (Signal Image Video Process., 2024)

Exploring multicepstral features in a new classical machine learning-based framework for replay attack detection. - Rodrigo Colnago Contreras; Monique Simplicio Viana; Everthon Silva Fonseca; Marcelo Adriano dos Santos Bongarti; Önsen Toygar; Rodrigo Capobianco Guido (Comput. Electr. Eng., 2025)

Potato leaf disease classification using fusion of multiple color spaces with weighted majority voting on deep learning architectures. - Samaneh Sarfarazi; Hossein Ghaderi Zefrehi; Önsen Toygar (Multim. Tools Appl., 2025)