English
Related papers

Related papers: Towards Fair and Robust Volumetric CT Classificati…

200 papers

The global outbreak of the novel corona virus (COVID-19) disease has drastically impacted the world and led to one of the most challenging crisis across the globe since World War II. The early diagnosis and isolation of COVID-19 positive…

Background: Triage of patients is important to control the pandemic of coronavirus disease 2019 (COVID-19), especially during the peak of the pandemic when clinical resources become extremely limited. Purpose: To develop a method that…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Mengqiu Liu , Ying Liu , Yidong Yang , Aiping Liu , Shana Li , Changbing Qu , Xiaohui Qiu , Yang Li , Weifu Lv , Peng Zhang , Jie Wen

Automated semantic image segmentation is an essential step in quantitative image analysis and disease diagnosis. This study investigates the performance of a deep learning-based model for lung segmentation from CT images for normal and…

Organ and cancer segmentation in abdomen Computed Tomography (CT) scans is the prerequisite for precise cancer diagnosis and treatment. Most existing benchmarks and algorithms are tailored to specific cancer types, limiting their ability to…

Image and Video Processing · Electrical Eng. & Systems 2024-08-23 Jun Ma , Yao Zhang , Song Gu , Cheng Ge , Ershuai Wang , Qin Zhou , Ziyan Huang , Pengju Lyu , Jian He , Bo Wang

OVID-19 is a world-wide disease that has been declared as a pandemic by the World Health Organization. Computer Tomography (CT) imaging of the chest seems to be a valid diagnosis tool to detect COVID-19 promptly and to control the spread of…

Image and Video Processing · Electrical Eng. & Systems 2021-04-30 Matteo Polsinelli , Luigi Cinque , Giuseppe Placidi

This paper investigates the application of deep learning models for lung Computed Tomography (CT) image analysis. Traditional deep learning frameworks encounter compatibility issues due to variations in slice numbers and resolutions in CT…

Image and Video Processing · Electrical Eng. & Systems 2023-03-16 Chih-Chung Hsu , Chih-Yu Jian , Chia-Ming Lee , Chi-Han Tsai , Sheng-Chieh Dai

Classification of heterogeneous diseases is challenging due to their complexity, variability of symptoms and imaging findings. Chronic Obstructive Pulmonary Disease (COPD) is a prime example, being underdiagnosed despite being the third…

Segmentation of infected areas in chest CT volumes is of great significance for further diagnosis and treatment of COVID-19 patients. Due to the complex shapes and varied appearances of lesions, a large number of voxel-level labeled samples…

Image and Video Processing · Electrical Eng. & Systems 2020-10-20 Zhanwei Xu , Yukun Cao , Cheng Jin , Guozhu Shao , Xiaoqing Liu , Jie Zhou , Heshui Shi , Jianjiang Feng

During the COVID-19 pandemic, the sheer volume of imaging performed in an emergency setting for COVID-19 diagnosis has resulted in a wide variability of clinical CXR acquisitions. This variation is seen in the CXR projections used, image…

Coronavirus Disease 2019 (COVID-19) has spread aggressively across the world causing an existential health crisis. Thus, having a system that automatically detects COVID-19 in tomography (CT) images can assist in quantifying the severity of…

Image and Video Processing · Electrical Eng. & Systems 2020-07-08 Issam Laradji , Pau Rodriguez , Oscar Mañas , Keegan Lensink , Marco Law , Lironne Kurzman , William Parker , David Vazquez , Derek Nowrouzezahrai

Real-time detection of COVID-19 using radiological images has gained priority due to the increasing demand for fast diagnosis of COVID-19 cases. This paper introduces a novel two-phase approach for classifying chest X-ray images. Deep…

Image and Video Processing · Electrical Eng. & Systems 2021-06-04 Hu Tianqing , Mohammad Khishe , Mokhtar Mohammadi , Gholam-Reza Parvizi , Sarkhel H. Taher Karim , Tarik A. Rashid

We develop a Distributionally Robust Optimization (DRO) formulation for Multiclass Logistic Regression (MLR), which could tolerate data contaminated by outliers. The DRO framework uses a probabilistic ambiguity set defined as a ball of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Ruidi Chen , Boran Hao , Ioannis Ch. Paschalidis

We develop a Distributionally Robust Optimization (DRO) formulation for Multiclass Logistic Regression (MLR), which could tolerate data contaminated by outliers. The DRO framework uses a probabilistic ambiguity set defined as a ball of…

Machine Learning · Statistics 2023-03-28 Ruidi Chen , Boran Hao , Ioannis Paschalidis

This study comprehensively explores knowledge distillation frameworks for COVID-19 and lung cancer classification using chest X-ray (CXR) images. We employ high-capacity teacher models, including VGG19 and lightweight Vision Transformers…

Image and Video Processing · Electrical Eng. & Systems 2025-08-22 Aqib Nazir Mir , Danish Raza Rizvi

Recent progress in Large Language Model (LLM) reasoning is increasingly driven by the refinement of post-training loss functions and alignment strategies. However, standard Reinforcement Learning (RL) paradigms like Group Relative Policy…

Machine Learning · Computer Science 2026-01-28 Kishan Panaganti , Zhenwen Liang , Wenhao Yu , Haitao Mi , Dong Yu

This paper investigates group distributionally robust optimization (GDRO) with the goal of learning a model that performs well over $m$ different distributions. First, we formulate GDRO as a stochastic convex-concave saddle-point problem,…

Machine Learning · Computer Science 2024-11-21 Lijun Zhang , Haomin Bai , Peng Zhao , Tianbao Yang , Zhi-Hua Zhou

Early detection of lung cancer is crucial for effective treatment and relies on accurate volumetric assessment of pulmonary nodules in CT scans. Traditional methods, such as consolidation-to-tumor ratio (CTR) and spherical approximation,…

Image and Video Processing · Electrical Eng. & Systems 2025-08-29 Yihan Zhou , Haocheng Huang , Yue Yu , Jianhui Shang

Medical image datasets are essential for training models used in computer-aided diagnosis, treatment planning, and medical research. However, some challenges are associated with these datasets, including variability in data distribution,…

Image and Video Processing · Electrical Eng. & Systems 2024-09-27 Alejandro Galán-Cuenca , Antonio Javier Gallego , Marcelo Saval-Calvo , Antonio Pertusa

Deep Learning (DL) approaches have gained prominence in medical imaging for disease diagnosis. Chest X-ray (CXR) classification has emerged as an effective method for detecting various diseases. Among these methodologies, Chest X-ray (CXR)…

Image and Video Processing · Electrical Eng. & Systems 2024-07-09 Sree Rama Vamsidhar S , Bhargava Satya , Rama Krishna Gorthi

Non-contrast chest CTs offer a rich opportunity for both conventional pulmonary and opportunistic extra-pulmonary screening. While Multi-Task Learning (MTL) can unify these diverse tasks, standard hard-parameter sharing approaches are often…

Image and Video Processing · Electrical Eng. & Systems 2026-04-06 Fengbei Liu , Sunwoo Kwak , Hao Phung , Nusrat Binta Nizam , Ilan Richter , Nir Uriel , Hadar Averbuch-Elor , Daborah Estrin , Mert R. Sabuncu