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We introduce a new computer aided detection and diagnosis system for lung cancer screening with low-dose CT scans that produces meaningful probability assessments. Our system is based entirely on 3D convolutional neural networks and…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Onur Ozdemir , Rebecca L. Russell , Andrew A. Berlin

Segmentations are crucial in medical imaging to obtain morphological, volumetric, and radiomics biomarkers. Manual segmentation is accurate but not feasible in the radiologist's clinical workflow, while automatic segmentation generally…

Automatic and accurate segmentation of aortic vessel tree (AVT) in computed tomography (CT) scans is crucial for early detection, diagnosis and prognosis of aortic diseases, such as aneurysms, dissections and stenosis. However, this task…

Image and Video Processing · Electrical Eng. & Systems 2023-05-18 Shaofeng Yuan , Feng Yang

Computerized Tomography Angiography (CTA) based follow-up of Abdominal Aortic Aneurysms (AAA) treated with Endovascular Aneurysm Repair (EVAR) is essential to evaluate the progress of the patient and detect complications. In this context,…

Pancreatic cancer with more than 60,000 new cases each year has less than 10 percent 5-year overall survival. Radiation therapy (RT) is an effective treatment for Locally advanced pancreatic cancer (LAPC). The current clinical RT workflow…

Medical Physics · Physics 2023-06-07 Hamed Hooshangnejad , Quan Chen , Xue Feng , Rui Zhang , Kai Ding

Early detection of pulmonary cancer is the most promising way to enhance a patient's chance for survival. Accurate pulmonary nodule detection in computed tomography (CT) images is a crucial step in diagnosing pulmonary cancer. In this…

Computer Vision and Pattern Recognition · Computer Science 2017-08-30 Jia Ding , Aoxue Li , Zhiqiang Hu , Liwei Wang

Conventional radiotherapy dose calculation algorithms are often computationally slow and non-differentiable, creating bottlenecks for online adaptive radiotherapy (ART) and limiting end-to-end automatic planning. Deep learning provides…

Chest radiograph (CXR) interpretation in pediatric patients is error-prone and requires a high level of understanding of radiologic expertise. Recently, deep convolutional neural networks (D-CNNs) have shown remarkable performance in…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Thanh T. Tran , Hieu H. Pham , Thang V. Nguyen , Tung T. Le , Hieu T. Nguyen , Ha Q. Nguyen

Pathological alterations in the human vascular system underlie many chronic diseases, such as atherosclerosis and aneurysms. However, manually analyzing diagnostic images of the vascular system, such as computed tomographic angiograms…

Image and Video Processing · Electrical Eng. & Systems 2023-11-29 Alireza Bagheri Rajeoni , Breanna Pederson , Ali Firooz , Hamed Abdollahi , Andrew K. Smith , Daniel G. Clair , Susan M. Lessner , Homayoun Valafar

The ability to dynamically extend a model to new data and classes is critical for multiple organ and tumor segmentation. However, due to privacy regulations, accessing previous data and annotations can be problematic in the medical domain.…

Image and Video Processing · Electrical Eng. & Systems 2023-07-24 Yixiao Zhang , Xinyi Li , Huimiao Chen , Alan Yuille , Yaoyao Liu , Zongwei Zhou

Lung cancer is one of the prevalence diseases in the world which cause many deaths. Detecting early stages of lung cancer is so necessary. So, modeling and simulating some intelligent medical systems is an essential which can help…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Ehsan Sadeghi Pour , Mahdi Esmaeili

Radiotherapy is a treatment where radiation is used to eliminate cancer cells. The delineation of organs-at-risk (OARs) is a vital step in radiotherapy treatment planning to avoid damage to healthy organs. For nasopharyngeal cancer, more…

Image and Video Processing · Electrical Eng. & Systems 2021-04-06 Yunhe Gao , Rui Huang , Yiwei Yang , Jie Zhang , Kainan Shao , Changjuan Tao , Yuanyuan Chen , Dimitris N. Metaxas , Hongsheng Li , Ming Chen

Carotid artery vessel wall thickness measurement is an essential step in the monitoring of patients with atherosclerosis. This requires accurate segmentation of the vessel wall, i.e., the region between an artery's lumen and outer wall, in…

Image and Video Processing · Electrical Eng. & Systems 2021-12-03 Dieuwertje Alblas , Christoph Brune , Jelmer M. Wolterink

Automatic segmentation of tumor lesions is a critical initial processing step for quantitative PET/CT analysis. However, numerous tumor lesion with different shapes, sizes, and uptake intensity may be distributed in different anatomical…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Shaonan Zhong , Junyang Mo , Zhantao Liu

Organ at Risk (OAR) segmentation from CT scans is a key component of the radiotherapy treatment workflow. In recent years, deep learning techniques have shown remarkable potential in automating this process. In this paper, we investigate…

Image and Video Processing · Electrical Eng. & Systems 2023-09-21 Leonardo Crespi , Mattia Portanti , Daniele Loiacono

Cancer is one of the leading causes of death globally, and early diagnosis is crucial for patient survival. Deep learning algorithms have great potential for automatic cancer analysis. Artificial intelligence has achieved high performance…

Image and Video Processing · Electrical Eng. & Systems 2024-04-16 Monika Górka , Daniel Jaworek , Marek Wodzinski

Reliable and automatic segmentation of lung lobes is important for diagnosis, assessment, and quantification of pulmonary diseases. The existing techniques are prohibitively slow, undesirably rely on prior (airway/vessel) segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Abdullah-Al-Zubaer Imran , Ali Hatamizadeh , Shilpa P. Ananth , Xiaowei Ding , Demetri Terzopoulos , Nima Tajbakhsh

Recently, Yamashita et al. reported direct measurements of ionizing radiation doses to individual organs in postmortem (using OSL dosimetry) that were exposed in the most frequent clinical CT scan protocols, corresponding to the whole body,…

Purpose: To develop and validate a computer tool for automatic and simultaneous segmentation of body composition depicted on computed tomography (CT) scans for the following tissues: visceral adipose (VAT), subcutaneous adipose (SAT),…

Image and Video Processing · Electrical Eng. & Systems 2021-12-17 Lucy Pu , Syed F. Ashraf , Naciye S Gezer , Iclal Ocak , Rajeev Dhupar

SPECT imaging is one of the common modalities used to examine kidney disease. The radiopharmaceuticals such as 99mTc-MAG3, 99mTc-DTPA, and 99mTc-DMSA are commonly employed for pediatric patients. It is generally accepted that children…