activity
20182026
most citedForeground Segmentation Using a Triplet Convolutional Neural Network for Multiscale Feature Encoding

308 citations · 856 across the 20 of their papers we have counts for

collaborators

21 papers

cs.CL2026

ODE-Based Transformer Decoders for Iterative Sign Language Translation

Tuğçe Kızıltepe, Hacer Yalim Keles

Sign language translation has achieved strong results with Transformer architectures, yet recent improvements largely rely on scaling model capacity at the cost of increased comput…

cs.CL2026

Gloss-Free Representation Learning for Cross-Dataset Sign Spotting

Oğuz Akif Tüfekcioğlu, Ezgi Ekin, Mustafa Kaan Çevik +1

Sign-language research for resource-constrained languages is often limited by the cost of dense linguistic labels such as glosses, temporal boundaries, and sign order. Broadcast ne…

cs.LG2026

AV-SLP: Alignment-Aware Variational Modeling for Disentangled Sign Language Production

Sümeyye Meryem Taşyürek, Enis Mücahid İskender, Hacer Yalim Keles

Building upon recent structural disentanglement frameworks for sign language production, we propose AV-SLP, an alignment-aware variational framework that learns articulator-w…

cs.CV2025

CLoE: Curriculum Learning on Endoscopic Images for Robust MES Classification

Zeynep Ozdemir, Hacer Yalim Keles, Omer Ozgur Tanriover

Estimating disease severity from endoscopic images is essential in assessing ulcerative colitis, where the Mayo Endoscopic Subscore (MES) is widely used to grade inflammation. Howe…

cs.CV2025

SLRTP2025 Sign Language Production Challenge: Methodology, Results, and Future Work

Harry Walsh, Ed Fish, Ozge Mercanoglu Sincan +19

Sign Language Production (SLP) is the task of generating sign language video from spoken language inputs. The field has seen a range of innovations over the last few years, with th…

cs.LG2025★ 1 cited

Disentangle and Regularize: Sign Language Production with Articulator-Based Disentanglement and Channel-Aware Regularization

Sumeyye Meryem Tasyurek, Tugce Kiziltepe, Hacer Yalim Keles

In this work, we propose DARSLP, a simple gloss-free, transformer-based sign language production (SLP) framework that directly maps spoken-language text to sign pose sequences. We…

cs.CV2024★ 1 cited

SkelCap: Automated Generation of Descriptive Text from Skeleton Keypoint Sequences

Ali Emre Keskin, Hacer Yalim Keles

Numerous sign language datasets exist, yet they typically cover only a limited selection of the thousands of signs used globally. Moreover, creating diverse sign language datasets…

cs.CL2024★ 4 cited

E-TSL: A Continuous Educational Turkish Sign Language Dataset with Baseline Methods

Şükrü Öztürk, Hacer Yalim Keles

This study introduces the continuous Educational Turkish Sign Language (E-TSL) dataset, collected from online Turkish language lessons for 5th, 6th, and 8th grades. The dataset com…

cs.CV2024★ 6 cited

Meta-Transfer Derm-Diagnosis: Exploring Few-Shot Learning and Transfer Learning for Skin Disease Classification in Long-Tail Distribution

Zeynep Özdemir, Hacer Yalim Keles, Ömer Özgür Tanrıöver

Building accurate models for rare skin diseases remains challenging due to the lack of sufficient labeled data and the inherently long-tailed distribution of available samples. The…

cs.LG2024

Adversarial Sparse Teacher: Defense Against Distillation-Based Model Stealing Attacks Using Adversarial Examples

Eda Yilmaz, Hacer Yalim Keles

We introduce Adversarial Sparse Teacher (AST), a robust defense method against distillation-based model stealing attacks. Our approach trains a teacher model using adversarial exam…

cs.LG2023★ 1 cited

SVInvNet: A Densely Connected Encoder-Decoder Architecture for Seismic Velocity Inversion

Mojtaba Najafi Khatounabad, Hacer Yalim Keles, Selma Kadioglu

This study presents a deep learning-based approach to seismic velocity inversion problem, focusing on both noisy and noiseless training datasets of varying sizes. Our Seismic Veloc…

cs.CV2021★ 67 cited

Using Motion History Images with 3D Convolutional Networks in Isolated Sign Language Recognition

Ozge Mercanoglu Sincan, Hacer Yalim Keles

Sign language recognition using computational models is a challenging problem that requires simultaneous spatio-temporal modeling of the multiple sources, i.e. faces, hands, body,…

eess.IV2021★ 1 cited

Towards disease-aware image editing of chest X-rays

Aakash Saboo, Sai Niranjan Ramachandran, Kai Dierkes +1

Disease-aware image editing by means of generative adversarial networks (GANs) constitutes a promising avenue for advancing the use of AI in the healthcare sector. Here, we present…

cs.CV2021★ 1 cited

ChaLearn LAP Large Scale Signer Independent Isolated Sign Language Recognition Challenge: Design, Results and Future Research

Ozge Mercanoglu Sincan, Julio C. S. Jacques Junior, Sergio Escalera +1

The performances of Sign Language Recognition (SLR) systems have improved considerably in recent years. However, several open challenges still need to be solved to allow SLR to be…

cs.CV2021★ 2 cited

A Hierarchical Approach to Remote Sensing Scene Classification

Ozlem Sen, Hacer Yalim Keles

Remote sensing scene classification deals with the problem of classifying land use/cover of a region from images. To predict the development and socioeconomic structures of cities,…

eess.IV2021

Iterative Facial Image Inpainting Based on an Encoder-Generator Architecture

Yahya Dogan, Hacer Yalim Keles

Facial image inpainting is a challenging problem as it requires generating new pixels that include semantic information for masked key components in a face, e.g., eyes and nose. Re…

cs.CV2020★ 249 cited

AUTSL: A Large Scale Multi-modal Turkish Sign Language Dataset and Baseline Methods

Ozge Mercanoglu Sincan, Hacer Yalim Keles

Sign language recognition is a challenging problem where signs are identified by simultaneous local and global articulations of multiple sources, i.e. hand shape and orientation, h…

cs.CV2020★ 17 cited

Evaluation Of Hidden Markov Models Using Deep CNN Features In Isolated Sign Recognition

Anil Osman Tur, Hacer Yalim Keles

Isolated sign recognition from video streams is a challenging problem due to the multi-modal nature of the signs, where both local and global hand features and face gestures needs…

cs.CV2019★ 23 cited

Semi-supervised Image Attribute Editing using Generative Adversarial Networks

Yahya Dogan, Hacer Yalim Keles

Image attribute editing is a challenging problem that has been recently studied by many researchers using generative networks. The challenge is in the manipulation of selected attr…

cs.CV2018★ 175 cited

Learning Multi-scale Features for Foreground Segmentation

Long Ang Lim, Hacer Yalim Keles

Foreground segmentation algorithms aim segmenting moving objects from the background in a robust way under various challenging scenarios. Encoder-decoder type deep neural networks…

cs.CV2018★ 308 cited

Foreground Segmentation Using a Triplet Convolutional Neural Network for Multiscale Feature Encoding

Long Ang Lim, Hacer Yalim Keles

A common approach for moving objects segmentation in a scene is to perform a background subtraction. Several methods have been proposed in this domain. However, they lack the abili…