Search Results for author: Ilker Hacihaliloglu

Found 28 papers, 17 papers with code

Biological and Radiological Dictionary of Radiomics Features: Addressing Understandable AI Issues in Personalized Prostate Cancer; Dictionary Version PM1.0

1 code implementation14 Dec 2024 Mohammad R. Salmanpour, Sajad Amiri, Sara Gharibi, Ahmad Shariftabrizi, Yixi Xu, William B Weeks, Arman Rahmim, Ilker Hacihaliloglu

We investigate the connection between visual semantic features defined in PI-RADS and associated risk factors, moving beyond abnormal imaging findings, establishing a shared framework between medical and AI professionals by creating a standardized dictionary of biological/radiological RFs.

feature selection

Prompt2Perturb (P2P): Text-Guided Diffusion-Based Adversarial Attacks on Breast Ultrasound Images

1 code implementation13 Dec 2024 Yasamin Medghalchi, Moein Heidari, Clayton Allard, Leonid Sigal, Ilker Hacihaliloglu

In contrast, diffusion-based attacks require pre-trained models, demanding substantial data when these models are unavailable, limiting practical use in data-scarce scenarios.

Machine Learning Evaluation Metric Discrepancies across Programming Languages and Their Components: Need for Standardization

no code implementations18 Nov 2024 Mohammad R. Salmanpour, Morteza Alizadeh, Ghazal Mousavi, Saba Sadeghi, Sajad Amiri, Mehrdad Oveisi, Arman Rahmim, Ilker Hacihaliloglu

This study examined a wide range of evaluation metrics across various tasks and found only some to be consistent across platforms, such as (i) Accuracy, Balanced Accuracy, Cohens Kappa, F-beta Score, MCC, Geometric Mean, AUC, and Log Loss in binary classification; (ii) Accuracy, Cohens Kappa, and F-beta Score in multi-class classification; (iii) MAE, MSE, RMSE, MAPE, Explained Variance, Median AE, MSLE, and Huber in regression; (iv) Davies-Bouldin Index and Calinski-Harabasz Index in clustering; (v) Pearson, Spearman, Kendall's Tau, Mutual Information, Distance Correlation, Percbend, Shepherd, and Partial Correlation in correlation analysis; (vi) Paired t-test, Chi-Square Test, ANOVA, Kruskal-Wallis Test, Shapiro-Wilk Test, Welchs t-test, and Bartlett's test in statistical tests; (vii) Accuracy, Precision, and Recall in 2D segmentation; (viii) Accuracy in 3D segmentation; (ix) MAE, MSE, RMSE, and R-Squared in 2D-I2I translation; and (x) MAE, MSE, and RMSE in 3D-I2I translation.

Binary Classification Clustering +3

Implicit Neural Representations with Fourier Kolmogorov-Arnold Networks

1 code implementation14 Sep 2024 Ali Mehrabian, Parsa Mojarad Adi, Moein Heidari, Ilker Hacihaliloglu

In addition, the activation functions with learnable Fourier coefficients improve the ability of the network to capture complex patterns and details, which is beneficial for high-resolution and high-dimensional data.

Kolmogorov-Arnold Networks SSIM

MSA$^2$Net: Multi-scale Adaptive Attention-guided Network for Medical Image Segmentation

1 code implementation31 Jul 2024 Sina Ghorbani Kolahi, Seyed Kamal Chaharsooghi, Toktam Khatibi, Afshin Bozorgpour, Reza Azad, Moein Heidari, Ilker Hacihaliloglu, Dorit Merhof

Medical image segmentation involves identifying and separating object instances in a medical image to delineate various tissues and structures, a task complicated by the significant variations in size, shape, and density of these features.

Decoder Image Segmentation +3

Computation-Efficient Era: A Comprehensive Survey of State Space Models in Medical Image Analysis

1 code implementation5 Jun 2024 Moein Heidari, Sina Ghorbani Kolahi, Sanaz Karimijafarbigloo, Bobby Azad, Afshin Bozorgpour, Soheila Hatami, Reza Azad, Ali Diba, Ulas Bagci, Dorit Merhof, Ilker Hacihaliloglu

State Space Models (SSMs), specifically the \textit{\textbf{Mamba}} model with selection mechanisms and hardware-aware architecture, have garnered immense interest lately in sequential modeling and visual representation learning, challenging the dominance of transformers by providing infinite context lengths and offering substantial efficiency maintaining linear complexity in the input sequence.

Mamba Medical Image Analysis +3

Wireless vs. Traditional Ultrasound Assessed Knee Cartilage Outcomes Utilizing Automated Gain and Normalization Techniques

no code implementations20 May 2024 Arjun Parmar, Corey D Grozier, Robert Dima, Jessica E Tolzman, Ilker Hacihaliloglu, Kenneth L Cameron, Ryan Fajardo, Matthew S Harkey

Intraclass correlation coefficients ($ICC_{2, k}$) for absolute agreement, standard error of the measurement, and minimum detectable difference were calculated between the traditional and wireless ultrasound units across both gain parameters and normalization.

Enhancing Efficiency in Vision Transformer Networks: Design Techniques and Insights

no code implementations28 Mar 2024 Moein Heidari, Reza Azad, Sina Ghorbani Kolahi, René Arimond, Leon Niggemeier, Alaa Sulaiman, Afshin Bozorgpour, Ehsan Khodapanah Aghdam, Amirhossein Kazerouni, Ilker Hacihaliloglu, Dorit Merhof

Intrigued by the inherent ability of the human visual system to identify salient regions in complex scenes, attention mechanisms have been seamlessly integrated into various Computer Vision (CV) tasks.

Vision-Language Synthetic Data Enhances Echocardiography Downstream Tasks

1 code implementation28 Mar 2024 Pooria Ashrafian, Milad Yazdani, Moein Heidari, Dena Shahriari, Ilker Hacihaliloglu

High-quality, large-scale data is essential for robust deep learning models in medical applications, particularly ultrasound image analysis.

Image Generation Medical Image Generation

MEDDAP: Medical Dataset Enhancement via Diversified Augmentation Pipeline

1 code implementation25 Mar 2024 Yasamin Medghalchi, Niloufar Zakariaei, Arman Rahmim, Ilker Hacihaliloglu

Moreover, ensuring that the model remains robust across various scenarios of image capture is crucial in medical domains, especially when dealing with ultrasound images that vary based on the settings of different devices and the manual operation of the transducer.

Ambiguous Medical Image Segmentation using Diffusion Models

1 code implementation CVPR 2023 Aimon Rahman, Jeya Maria Jose Valanarasu, Ilker Hacihaliloglu, Vishal M Patel

Collective insights from a group of experts have always proven to outperform an individual's best diagnostic for clinical tasks.

Diversity Image Segmentation +3

Augmenting endometriosis analysis from ultrasound data with deep learning

no code implementations19 Feb 2023 Adrian Balica, Jennifer Dai, Kayla Piiwaa, Xiao Qi, Ashlee N. Green, Nancy Phillips, Susan Egan, Ilker Hacihaliloglu

Our objective in this work is to investigate the potential of deep learning methods to classify endometriosis from ultrasound data.

Deep Learning

Diffusion Models for Medical Image Analysis: A Comprehensive Survey

1 code implementation14 Nov 2022 Amirhossein Kazerouni, Ehsan Khodapanah Aghdam, Moein Heidari, Reza Azad, Mohsen Fayyaz, Ilker Hacihaliloglu, Dorit Merhof

Then, we provide a systematic taxonomy of diffusion models in the medical domain and propose a multi-perspective categorization based on their application, imaging modality, organ of interest, and algorithms.

Denoising Medical Image Analysis +2

Multi-Feature Vision Transformer via Self-Supervised Representation Learning for Improvement of COVID-19 Diagnosis

1 code implementation3 Aug 2022 Xiao Qi, David J. Foran, John L. Nosher, Ilker Hacihaliloglu

To improve the diagnostic performance of CXR imaging a growing number of studies have investigated whether supervised deep learning methods can provide additional support.

COVID-19 Diagnosis Representation Learning +1

Simultaneous Bone and Shadow Segmentation Network using Task Correspondence Consistency

no code implementations16 Jun 2022 Aimon Rahman, Jeya Maria Jose Valanarasu, Ilker Hacihaliloglu, Vishal M Patel

Segmenting both bone surface and the corresponding acoustic shadow are fundamental tasks in ultrasound (US) guided orthopedic procedures.

Decoder Segmentation

Orientation-guided Graph Convolutional Network for Bone Surface Segmentation

no code implementations16 Jun 2022 Aimon Rahman, Wele Gedara Chaminda Bandara, Jeya Maria Jose Valanarasu, Ilker Hacihaliloglu, Vishal M Patel

Due to imaging artifacts and low signal-to-noise ratio in ultrasound images, automatic bone surface segmentation networks often produce fragmented predictions that can hinder the success of ultrasound-guided computer-assisted surgical procedures.

Realistic Ultrasound Image Synthesis for Improved Classification of Liver Disease

no code implementations27 Jul 2021 Hui Che, Sumana Ramanathan, David Foran, John L Nosher, Vishal M Patel, Ilker Hacihaliloglu

With the success of deep learning-based methods applied in medical image analysis, convolutional neural networks (CNNs) have been investigated for classifying liver disease from ultrasound (US) data.

Classification Generative Adversarial Network +2

Multi-Feature Semi-Supervised Learning for COVID-19 Diagnosis from Chest X-ray Images

1 code implementation4 Apr 2021 Xiao Qi, John L. Nosher, David J. Foran, Ilker Hacihaliloglu

The requirement for a large amount of labeled data is one of the major problems of deep learning methods when deployed in the medical domain.

Computed Tomography (CT) COVID-19 Diagnosis +2

Medical Transformer: Gated Axial-Attention for Medical Image Segmentation

2 code implementations21 Feb 2021 Jeya Maria Jose Valanarasu, Poojan Oza, Ilker Hacihaliloglu, Vishal M. Patel

The proposed Medical Transformer (MedT) is evaluated on three different medical image segmentation datasets and it is shown that it achieves better performance than the convolutional and other related transformer-based architectures.

Image Segmentation Medical Image Segmentation +2

Chest X-ray Image Phase Features for Improved Diagnosis of COVID-19 Using Convolutional Neural Network

1 code implementation6 Nov 2020 Xiao Qi, Lloyd Brown, David J. Foran, Ilker Hacihaliloglu

The enhanced images, together with the original CXR data, are used as an input to our proposed CNN architecture.

Image Enhancement

KiU-Net: Overcomplete Convolutional Architectures for Biomedical Image and Volumetric Segmentation

1 code implementation4 Oct 2020 Jeya Maria Jose Valanarasu, Vishwanath A. Sindagi, Ilker Hacihaliloglu, Vishal M. Patel

To overcome this issue, we propose using an overcomplete convolutional architecture where we project our input image into a higher dimension such that we constrain the receptive field from increasing in the deep layers of the network.

3D Medical Imaging Segmentation Brain Tumor Segmentation +6

KiU-Net: Towards Accurate Segmentation of Biomedical Images using Over-complete Representations

3 code implementations8 Jun 2020 Jeya Maria Jose, Vishwanath Sindagi, Ilker Hacihaliloglu, Vishal M. Patel

Due to its excellent performance, U-Net is the most widely used backbone architecture for biomedical image segmentation in the recent years.

Anatomy Image Segmentation +2

Learning to Segment Brain Anatomy from 2D Ultrasound with Less Data

no code implementations18 Dec 2019 Jeya Maria Jose V., Rajeev Yasarla, Puyang Wang, Ilker Hacihaliloglu, Vishal M. Patel

We show that our method can synthesize high-quality US images for every manipulated segmentation label with qualitative and quantitative improvements over the recent state-of-the-art synthesis methods.

Anatomy Image Generation +2

Simultaneous Segmentation and Classification of Bone Surfaces from Ultrasound Using a Multi-feature Guided CNN

no code implementations26 Jun 2018 Puyang Wang, Vishal M. Patel, Ilker Hacihaliloglu

Various imaging artifacts, low signal-to-noise ratio, and bone surfaces appearing several millimeters in thickness have hindered the success of ultrasound (US) guided computer assisted orthopedic surgery procedures.

General Classification Segmentation

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