activity
20172026
most citedA Blind Deconvolution Technique Based on Projection Onto Convex Sets for Magnetic Particle Imaging

3 citations · 7 across the 24 of their papers we have counts for

collaborators

26 papers

cs.LG2026

Learned Queries and Keys Are All You Need: Replacing the Value Projection with Structured Transforms

Ene Meco, Emadeldeen Hamdan, A. Enis Cetin

To reduce the number of parameters and cache memory requirements of transformers we introduce dual-headed transformers instead of three heads. We studied Walsh-Hadamard Transform (…

eess.IV2026

Image Reconstruction from Phase with Untrained Neural Priors

Ene Meco, Ahmet Enis Cetin

Fourier phase encodes important spatial image structure, but recovering an image without measured spectral magnitude requires additional constraints and leaves absolute intensity a…

cs.CV2026

WHTMix: Efficient Stereo Depth Estimation via Walsh-Hadamard Token Mixing

Prathyush Sajith, Emadeldeen Hamdan, Ahmet Enis Cetin

Stereo depth estimation for driving, robotics and augmented reality must run at high resolution under tight latency budgets, yet in transformer-based matchers the global self-atten…

cs.CV2026

ShearFuse-UNet: Hadamard, DCT, and Shearlet Transform Fusion for Next-Day Wildfire Spread Prediction

Ene Meco, Yingyi Luo, Emadeldeen Hamdan +2

We propose ShearFuse-UNet, a lightweight and computationally efficient deep learning model for next-day wildfire spread prediction from multi-modal satellite data. The model integr…

cs.CV2026

DynGhost: Temporally-Modelled Transformer for Dynamic Ghost Imagings

Vittorio Palladino, Ahmet Enis Cetin

Ghost imaging reconstructs spatial information from a single-pixel bucket detector by correlating structured illumination patterns with scalar intensity measurements. While deep le…

cs.CV2026

WTHaar-Net: a Hybrid Quantum-Classical Approach

Vittorio Palladino, Tsai Idden, Ahmet Enis Cetin

Convolutional neural networks rely on linear filtering operations that can be reformulated efficiently in suitable transform domains. At the same time, advances in quantum computin…

cs.CV2026

Toward Generalizable Deep Learning Based Peatland Fire Detection via Walsh Hadamard Transform and Domain Adaptation

Emadeldeen Hamdan, Ahmad Faiz Tharima, Mohd Zahirasri Mohd Tohir +4

Machine learning-based wildfire detection has advanced significantly using deep learning models trained on large wildfire image and video datasets. However, peatland fires exhibit…

cs.CV2026

U-Net with Hadamard Transform and DCT Latent Spaces for Next-day Wildfire Spread Prediction

Yingyi Luo, Shuaiang Rong, Adam Watts +1

We developed a lightweight and computationally efficient tool for next-day wildfire spread prediction using multimodal satellite data as input. The deep learning model, which we ca…

cs.CV2025

HTMA-Net: Towards Multiplication-Avoiding Neural Networks via Hadamard Transform and In-Memory Computing

Emadeldeen Hamdan, Ahmet Enis Cetin

Reducing the cost of multiplications is critical for efficient deep neural network deployment, especially in energy-constrained edge devices. In this work, we introduce HTMA-Net, a…

eess.IV2025

VHU-Net: Variational Hadamard U-Net for Body MRI Bias Field Correction

Xin Zhu, Ahmet Enis Cetin, Gorkem Durak +13

Bias field artifacts in magnetic resonance imaging (MRI) scans introduce spatially smooth intensity inhomogeneities that degrade image quality and hinder downstream analysis. To ad…

cs.CV2025

Shifts in Doctors' Eye Movements Between Real and AI-Generated Medical Images

David C Wong, Bin Wang, Gorkem Durak +21

Eye-tracking analysis plays a vital role in medical imaging, providing key insights into how radiologists visually interpret and diagnose clinical cases. In this work, we first ana…

cs.CV2025★ 1 cited

Eyes Tell the Truth: GazeVal Highlights Shortcomings of Generative AI in Medical Imaging

David Wong, Bin Wang, Gorkem Durak +23

The demand for high-quality synthetic data for model training and augmentation has never been greater in medical imaging. However, current evaluations predominantly rely on computa…

eess.SP2025

Edge-Fog Computing-Enabled EEG Data Compression via Asymmetrical Variational Discrete Cosine Transform Network

Xin Zhu, Hongyi Pan, Ahmet Enis Cetin

The large volume of electroencephalograph (EEG) data produced by brain-computer interface (BCI) systems presents challenges for rapid transmission over bandwidth-limited channels i…

eess.SP2025

Efficient Bearing Sensor Data Compression via an Asymmetrical Autoencoder with a Lifting Wavelet Transform Layer

Xin Zhu, Ahmet Enis Cetin

Bearing data compression is vital to manage the large volumes of data generated during condition monitoring. In this paper, a novel asymmetrical autoencoder with a lifting wavelet…

cs.LG2024

Sparse Mamba: Introducing Controllability, Observability, And Stability To Structural State Space Models

Emadeldeen Hamdan, Hongyi Pan, Ahmet Enis Cetin

Structured state space models' (SSMs) development in recent studies, such as Mamba and Mamba2, outperformed and solved the computational inefficiency of transformers and large lang…

cs.CY2024★ 1 cited

Ethical Framework for Responsible Foundational Models in Medical Imaging

Debesh Jha, Gorkem Durak, Abhijit Das +33

The emergence of foundational models represents a paradigm shift in medical imaging, offering extraordinary capabilities in disease detection, diagnosis, and treatment planning. Th…

cs.CV2024★ 1 cited

Discrete Cosine Transform Based Decorrelated Attention for Vision Transformers

Hongyi Pan, Emadeldeen Hamdan, Xin Zhu +2

Self-attention is central to the success of Transformer architectures; however, learning the query, key, and value projections from random initialization remains challenging and co…

cs.IT2024

The Blind Normalized Stein Variational Gradient Descent-Based Detection for Intelligent Random Access in Cellular IoT

Xin Zhu, Ahmet Enis Cetin

The lack of an efficient preamble detection algorithm remains a challenge for solving preamble collision problems in intelligent random access (RA) in the cellular Internet of Thin…

eess.IV2024

A Probabilistic Hadamard U-Net for MRI Bias Field Correction

Xin Zhu, Hongyi Pan, Yury Velichko +5

Magnetic field inhomogeneity correction remains a challenging task in MRI analysis. Most established techniques are designed for brain MRI by supposing that image intensities in th…

cs.LG2023

A novel asymmetrical autoencoder with a sparsifying discrete cosine Stockwell transform layer for gearbox sensor data compression

Xin Zhu, Daoguang Yang, Hongyi Pan +3

The lack of an efficient compression model remains a challenge for the wireless transmission of gearbox data in non-contact gear fault diagnosis problems. In this paper, we present…

eess.SP2023★ 1 cited

Electroencephalogram Sensor Data Compression Using An Asymmetrical Sparse Autoencoder With A Discrete Cosine Transform Layer

Xin Zhu, Hongyi Pan, Shuaiang Rong +1

Electroencephalogram (EEG) data compression is necessary for wireless recording applications to reduce the amount of data that needs to be transmitted. In this paper, an asymmetric…

cs.AR2023

ADC/DAC-Free Analog Acceleration of Deep Neural Networks with Frequency Transformation

Nastaran Darabi, Maeesha Binte Hashem, Hongyi Pan +3

The edge processing of deep neural networks (DNNs) is becoming increasingly important due to its ability to extract valuable information directly at the data source to minimize lat…

eess.IV2023

Domain Generalization with Fourier Transform and Soft Thresholding

Hongyi Pan, Bin Wang, Zheyuan Zhang +5

Domain generalization aims to train models on multiple source domains so that they can generalize well to unseen target domains. Among many domain generalization methods, Fourier-t…

eess.SP2023

Stein Variational Gradient Descent-based Detection For Random Access With Preambles In MTC

Xin Zhu, Hongyi Pan, Salih Atici +1

Traditional preamble detection algorithms have low accuracy in the grant-based random access scheme in massive machine-type communication (mMTC). We present a novel preamble detect…