no code implementations • 2 Dec 2024 • Gorkem Polat, Ümit Mert Çağlar, Alptekin Temizel
Its performance was compared against several categorical and ordinal loss functions.
no code implementations • 17 Oct 2024 • Ant Duru, Alptekin Temizel
Automated data augmentation methods have significantly improved the performance and generalization capability of deep learning models in image classification.
no code implementations • 17 Sep 2024 • M. Esat Kalfaoglu, Halil Ibrahim Ozturk, Ozsel Kilinc, Alptekin Temizel
Recently, the centerline has become a popular representation of lanes due to its advantages in solving the road topology problem.
Ranked #2 on 3D Lane Detection on OpenLane-V2 val
1 code implementation • 26 Dec 2023 • Fatih Cagatay Akyon, Alptekin Temizel
This paper presents a comparative analysis of existing nudity classification techniques for classifying images based on the presence of nudity, with a focus on their application in content moderation.
no code implementations • 10 Nov 2023 • Ümit Mert Çağlar, Alperen İnci, Oğuz Hanoğlu, Görkem Polat, Alptekin Temizel
The method involves generating a large number of synthetic samples by training using a small dataset consisting of real endoscopic images.
1 code implementation • 21 Oct 2023 • Ayberk Aydın, Alptekin Temizel
Deep neural networks are known to be vulnerable to adversarial perturbations.
no code implementations • 8 Jun 2023 • M. Esat Kalfaoglu, Halil Ibrahim Ozturk, Ozsel Kilinc, Alptekin Temizel
In this study, we have introduced a new approach called TopoMask for predicting centerlines in road topology.
Ranked #1 on 3D Lane Detection on OpenLane-V2 test
1 code implementation • 8 Dec 2022 • Fatih Cagatay Akyon, Alptekin Temizel
Rating a video based on its content is an important step for classifying video age categories.
1 code implementation • Inflammatory Bowel Diseases 2022 • Gorkem Polat, Haluk Tarik Kani, Ilkay Ergenc, Yesim Ozen Alahdab, Alptekin Temizel, Ozlen Atug
We propose a regression-based deep learning approach for the endoscopic evaluation of UC according to the Mayo endoscopic score (MES).
Ranked #2 on Image Classification on LIMUC
no code implementations • 21 Jul 2022 • Fatih Cagatay Akyon, Erdem Akagunduz, Sinan Onur Altinuc, Alptekin Temizel
Moreover, we propose a new drone vs. bird sequence classification dataset to train and evaluate the proposed architectures.
1 code implementation • 16 Feb 2022 • Ece Isik-Polat, Gorkem Polat, Altan Kocyigit, Alptekin Temizel
Availability of large, diverse, and multi-national datasets is crucial for the development of effective and clinically applicable AI systems in the medical imaging domain.
6 code implementations • 14 Feb 2022 • Fatih Cagatay Akyon, Sinan Onur Altinuc, Alptekin Temizel
In this work, an open-source framework called Slicing Aided Hyper Inference (SAHI) is proposed that provides a generic slicing aided inference and fine-tuning pipeline for small object detection.
1 code implementation • 9 Feb 2022 • Gorkem Polat, Ilkay Ergenc, Haluk Tarik Kani, Yesim Ozen Alahdab, Ozlen Atug, Alptekin Temizel
Experimental evaluations show that models trained with CDW-CE outperform the models trained with conventional categorical cross-entropy and other commonly used loss functions which are designed for the ordinal regression problems.
Ranked #1 on Image Classification on LIMUC
no code implementations • AAAI Workshop AdvML 2022 • Deniz Sen, Berat Tuna Karli, Alptekin Temizel
Despite being very successful, deep learning models were shown to be vulnerable to crafted perturbations.
no code implementations • AAAI Workshop AdvML 2022 • Berat Tuna Karli, Deniz Sen, Alptekin Temizel
We show that these methods could also be used in conjunction to improve the perceptual quality of adversarial examples and demonstrate the quantitative improvements on CIFAR-10 and NIPS2017 Adversarial Learning Challenge datasets.
1 code implementation • 11 Nov 2021 • Fatih Cagatay Akyon, Devrim Cavusoglu, Cemil Cengiz, Sinan Onur Altinuc, Alptekin Temizel
In this work, we fine-tune a multilingual T5 (mT5) transformer in a multi-task setting for QA, QG and answer extraction tasks using Turkish QA datasets.
1 code implementation • 5 Aug 2021 • Ayberk Aydın, Deniz Sen, Berat Tuna Karli, Oguz Hanoglu, Alptekin Temizel
Deep Neural Networks have been shown to be vulnerable to various kinds of adversarial perturbations.
no code implementations • 9 Dec 2020 • Hilmi Kumdakcı, Cihan Öngün, Alptekin Temizel
The experiments show that the method increases the Average Precision by up to 25. 2% and 25. 7% when integrated with Pluralistic and DeepFill respectively.
no code implementations • 12 Oct 2020 • Sharib Ali, Mariia Dmitrieva, Noha Ghatwary, Sophia Bano, Gorkem Polat, Alptekin Temizel, Adrian Krenzer, Amar Hekalo, Yun Bo Guo, Bogdan Matuszewski, Mourad Gridach, Irina Voiculescu, Vishnusai Yoganand, Arnav Chavan, Aryan Raj, Nhan T. Nguyen, Dat Q. Tran, Le Duy Huynh, Nicolas Boutry, Shahadate Rezvy, Haijian Chen, Yoon Ho Choi, Anand Subramanian, Velmurugan Balasubramanian, Xiaohong W. Gao, Hongyu Hu, Yusheng Liao, Danail Stoyanov, Christian Daul, Stefano Realdon, Renato Cannizzaro, Dominique Lamarque, Terry Tran-Nguyen, Adam Bailey, Barbara Braden, James East, Jens Rittscher
The Endoscopy Computer Vision Challenge (EndoCV) is a crowd-sourcing initiative to address eminent problems in developing reliable computer aided detection and diagnosis endoscopy systems and suggest a pathway for clinical translation of technologies.
1 code implementation • 8 Aug 2020 • Cihan Öngün, Alptekin Temizel
In this paper, we focus on latent modification and generation of 3D point cloud object models with respect to their semantic parts.
1 code implementation • 28 Jul 2020 • Hamza Eray, Alptekin Temizel
High-performance computing of array signal processing problems is a critical task as real-time system performance is required for many applications.
Distributed, Parallel, and Cluster Computing Signal Processing
1 code implementation • 28 Jul 2020 • Mete Can Kaya, Alperen İnci, Alptekin Temizel
Binary convolutional networks have lower computational load and lower memory foot-print compared to their full-precision counterparts.
1 code implementation • 21 Jul 2020 • Kaan Furkan Altınok, Afşin Peker, Alptekin Temizel
Triple DES (3DES) is a standard fundamental encryption algorithm, used in several electronic payment applications and web browsers.
Cryptography and Security Distributed, Parallel, and Cluster Computing
1 code implementation • 13 Jul 2020 • Kadir Cenk Alpay, Kadir Berkay Aydemir, Alptekin Temizel
High Dynamic Range (HDR) images are generated using multiple exposures of a scene.
no code implementations • 25 May 2020 • Atıl İlerialkan, Alptekin Temizel, Hüseyin Hacıhabiboğlu
Instantaneous magnitude features are extracted using the Hilbert-Huang transform (HHT) and fed into a CNN-GRU network for classification of recordings from the open intraspeech breathing sound dataset, BreathBase, that we collected for this study.
no code implementations • 7 Mar 2019 • Bilgin Aksoy, Alptekin Temizel
Adversarial images are samples that are intentionally modified to deceive machine learning systems.
1 code implementation • 9 Aug 2018 • Cihan Öngün, Alptekin Temizel
Generative Adversarial Networks (GANs) are shown to be successful at generating new and realistic samples including 3D object models.
no code implementations • 2 Jul 2018 • Mehmet Ali Arabaci, Fatih Özkan, Elif Surer, Peter Jančovič, Alptekin Temizel
In this work, we propose a new framework for egocentric activity recognition problem based on combining audio-visual features with multi-kernel learning (MKL) and multi-kernel boosting (MKBoost).
no code implementations • 28 Mar 2018 • Ayse Elvan Aydemir, Alptekin Temizel, Tugba Taskaya Temizel
To be immune to such attacks, it is desirable to have a pre-processing mechanism which removes these effects causing misclassification while keeping the content of the image.
no code implementations • 22 Feb 2017 • Fatih Ozkan, Mehmet Ali Arabaci, Elif Surer, Alptekin Temizel
Activity recognition from first-person (ego-centric) videos has recently gained attention due to the increasing ubiquity of the wearable cameras.