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Objective: Cone-beam computed tomography (CBCT) provides a low-dose imaging alternative to conventional CT, but suffers from noise, scatter, and artifacts that degrade image quality. Synthetic CT (sCT) aims to translate CBCT to high-quality…

医学物理 · 物理学 2025-09-23 Alzahra Altalib , Chunhui Li , Alessandro Perelli

Bones are always wrapped by soft tissues. As a result, bones in their X-ray images are obscured and become unclear. In this paper, we tackle this problem and propose a novel task to virtually decompose the soft tissue and bone by image…

图像与视频处理 · 电气工程与系统科学 2020-07-30 Yuanhao Gong

While X-ray imaging is indispensable in medical diagnostics, it inherently carries with it those noises and limitations on resolution that mask the details necessary for diagnosis. B/W X-ray images require a careful balance between noise…

图像与视频处理 · 电气工程与系统科学 2024-11-21 Rishabh Kumar Sharma , Mukund Sharma , Pushkar Sharma , Jeetashree Aparjeeta

In this work we design an end-to-end deep learning architecture for predicting, on Chest X-rays images (CXR), a multi-regional score conveying the degree of lung compromise in COVID-19 patients. Such semi-quantitative scoring system, namely…

Magnetic Resonance Imaging (MRI) is a crucial diagnostic tool, but high-resolution scans are often slow and expensive due to extensive data acquisition requirements. Traditional MRI reconstruction methods aim to expedite this process by…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Emmanuelle Bourigault , Abdullah Hamdi , Amir Jamaludin

Medical image segmentation is a challenging task with inherent ambiguity and high uncertainty, attributed to factors such as unclear tumor boundaries and multiple plausible annotations. The accuracy and diversity of segmentation masks are…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Tao Chen , Chenhui Wang , Hongming Shan

Breast ultrasound (BUS) image segmentation plays a crucial role in a computer-aided diagnosis system, which is regarded as a useful tool to help increase the accuracy of breast cancer diagnosis. Recently, many deep learning methods have…

图像与视频处理 · 电气工程与系统科学 2020-03-24 Zhenyuan Ning , Ke Wang , Shengzhou Zhong , Qianjin Feng , Yu Zhang

Chest X-rays or chest radiography (CXR), commonly used for medical diagnostics, typically enables limited imaging compared to computed tomography (CT) scans, which offer more detailed and accurate three-dimensional data, particularly…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Noa Cahan , Eyal Klang , Galit Aviram , Yiftach Barash , Eli Konen , Raja Giryes , Hayit Greenspan

Advanced diffusion models (DMs) perform impressively in image super-resolution (SR), but the high memory and computational costs hinder their deployment. Binarization, an ultra-compression algorithm, offers the potential for effectively…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Zheng Chen , Haotong Qin , Yong Guo , Xiongfei Su , Xin Yuan , Linghe Kong , Yulun Zhang

Computed Tomography (CT) technology reduces radiation haz-ards to the human body through sparse sampling, but fewer sampling angles pose challenges for image reconstruction. Score-based generative models are widely used in sparse-view CT…

图像与视频处理 · 电气工程与系统科学 2025-12-22 Junyan Zhang , Mengxiao Geng , Pinhuang Tan , Yi Liu , Zhili Liu , Bin Huang , Qiegen Liu

Traditional model-based image reconstruction (MBIR) methods combine forward and noise models with simple object priors. Recent application of deep learning methods for image reconstruction provides a successful data-driven approach to…

图像与视频处理 · 电气工程与系统科学 2023-11-22 Ling Chen , Zhishen Huang , Yong Long , Saiprasad Ravishankar

Chest X-rays (X-ray images) have been proven to be effective for the diagnosis of chest diseases, including Pneumonia, Lung Opacity, and COVID-19. However, relying on traditional medical methods for diagnosis from X-ray images is prone to…

图像与视频处理 · 电气工程与系统科学 2025-10-01 Omar Hesham Khater , Abdullahi Sani Shuaib , Sami Ul Haq , Abdul Jabbar Siddiqui

Segmentation of bone regions allows for enhanced diagnostics, disease characterisation and treatment monitoring in CT imaging. In contrast enhanced whole-body scans accurate automatic segmentation is particularly difficult as low dose whole…

医学物理 · 物理学 2020-08-14 Patrick Leydon , Martin O'Connell , Derek Greene , Kathleen M Curran

Bone mineral density (BMD) is a clinically critical indicator of osteoporosis, usually measured by dual-energy X-ray absorptiometry (DEXA). Due to the limited accessibility of DEXA machines and examinations, osteoporosis is often…

图像与视频处理 · 电气工程与系统科学 2021-05-21 Kang Zheng , Yirui Wang , Xiaoyun Zhou , Fakai Wang , Le Lu , Chihung Lin , Lingyun Huang , Guotong Xie , Jing Xiao , Chang-Fu Kuo , Shun Miao

Cone-beam computed tomography (CBCT) is widely used for image-guided radiotherapy (IGRT). It provides real time visualization at low cost and dose. However, photon scattering and beam hindrance cause artifacts in CBCT. These include…

医学物理 · 物理学 2025-09-29 Alzahra Altalib , Chunhui Li , Alessandro Perelli

Deep learning models have shown promise in improving diagnostic accuracy from chest X-rays, but they also risk perpetuating healthcare disparities when performance varies across demographic groups. In this work, we present a comprehensive…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Clemence Mottez , Louisa Fay , Maya Varma , Sophie Ostmeier , Curtis Langlotz

Traditional model-based image reconstruction (MBIR) methods combine forward and noise models with simple object priors. Recent application of deep learning methods for image reconstruction provides a successful data-driven approach to…

图像与视频处理 · 电气工程与系统科学 2022-05-20 Ling Chen , Zhishen Huang , Yong Long , Saiprasad Ravishankar

Pulmonary diseases can cause severe respiratory problems, leading to sudden death if not treated timely. Many researchers have utilized deep learning systems to diagnose pulmonary disorders using chest X-rays (CXRs). However, such systems…

图像与视频处理 · 电气工程与系统科学 2022-01-17 Mehreen Sirshar , Taimur Hassan , Muhammad Usman Akram , Shoab Ahmed Khan

Accurately translating medical images between different modalities, such as Computed Tomography (CT) to Magnetic Resonance Imaging (MRI), has numerous downstream clinical and machine learning applications. While several methods have been…

图像与视频处理 · 电气工程与系统科学 2025-12-03 Yuwen Chen , Nicholas Konz , Hanxue Gu , Haoyu Dong , Yaqian Chen , Lin Li , Jisoo Lee , Maciej A. Mazurowski

Pneumonia remains a leading cause of morbidity and mortality worldwide. Chest X-ray (CXR) imaging is a fundamental diagnostic tool, but traditional analysis relies on time-intensive expert evaluation. Recently, deep learning has shown…

图像与视频处理 · 电气工程与系统科学 2024-01-05 Sandeep Angara , Nishith Reddy Mannuru , Aashrith Mannuru , Sharath Thirunagaru