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This work studies lung tumor growth prediction from sparse and irregular longitudinal computed tomography (CT) observations with measurement variability. A Bayesian physics-informed neural network is developed by combining Gompertz growth…

机器学习 · 计算机科学 2026-05-14 Lingfei Kong , Haoran Ma

Diversity in data is critical for the successful training of deep learning models. Leveraged by a recurrent generative adversarial network, we propose the CT-SGAN model that generates large-scale 3D synthetic CT-scan volumes ($\geq…

图像与视频处理 · 电气工程与系统科学 2021-11-08 Ahmad Pesaranghader , Yiping Wang , Mohammad Havaei

Knowledge of what spatial elements of medical images deep learning methods use as evidence is important for model interpretability, trustiness, and validation. There is a lack of such techniques for models in regression tasks. We propose a…

图像与视频处理 · 电气工程与系统科学 2020-07-27 Ricardo Bigolin Lanfredi , Joyce D. Schroeder , Clement Vachet , Tolga Tasdizen

Segmentation of lung tissue in computed tomography (CT) images is a precursor to most pulmonary image analysis applications. Semantic segmentation methods using deep learning have exhibited top-tier performance in recent years, however…

图像与视频处理 · 电气工程与系统科学 2023-04-27 Niloufar Delfan , Hamid Abrishami Moghaddam , Mohammadreza Modaresi , Kimia Afshari , Kasra Nezamabadi , Neda Pak , Omid Ghaemi , Mohamad Forouzanfar

Medical report generation is a challenging task since it is time-consuming and requires expertise from experienced radiologists. The goal of medical report generation is to accurately capture and describe the image findings. Previous works…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Yu-Jen Chen , Wei-Hsiang Shen , Hao-Wei Chung , Ching-Hao Chiu , Da-Cheng Juan , Tsung-Ying Ho , Chi-Tung Cheng , Meng-Lin Li , Tsung-Yi Ho

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,…

图像与视频处理 · 电气工程与系统科学 2025-08-29 Yihan Zhou , Haocheng Huang , Yue Yu , Jianhui Shang

One of the most challenges in medical imaging is the lack of data. It is proven that classical data augmentation methods are useful but still limited due to the huge variation in images. Using generative adversarial networks (GAN) is a…

图像与视频处理 · 电气工程与系统科学 2021-04-16 Amine Amyar , Su Ruan , Pierre Vera , Pierre Decazes , Romain Modzelewski

Computer-aided diagnosis (CAD) techniques for lung field segmentation from chest radiographs (CXR) have been proposed for adult cohorts, but rarely for pediatric subjects. Statistical shape models (SSMs), the workhorse of most…

计算机视觉与模式识别 · 计算机科学 2018-07-13 Awais Mansoor , Juan J. Cerrolaza , Geovanny Perez , Elijah Biggs , Kazunori Okada , Gustavo Nino , Marius George Linguraru

Currently, MRI-only radiotherapy (RT) eliminates some of the concerns about using CT images in RT chains such as the registration of MR images to a separate CT, extra dose delivery, and the additional cost of repeated imaging. However, one…

医学物理 · 物理学 2021-03-03 Faeze Gholamiankhah , Samaneh Mostafapour , Hossein Arabi

We present a novel conditional Generative Adversarial Network (cGAN) architecture that is capable of generating 3D Computed Tomography scans in voxels from noisy and/or pixelated approximations and with the potential to generate full…

Understanding the progression trajectories of diseases is crucial for early diagnosis and effective treatment planning. This is especially vital for life-threatening conditions such as Idiopathic Pulmonary Fibrosis (IPF), a chronic,…

图像与视频处理 · 电气工程与系统科学 2025-02-11 An Zhao , Moucheng Xu , Ahmed H. Shahin , Wim Wuyts , Mark G. Jones , Joseph Jacob , Daniel C. Alexander

Current volumetric biomedical foundation models struggle to generalize as public 3D datasets are small and do not cover the broad diversity of medical procedures, conditions, anatomical regions, and imaging protocols. We address this by…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Neel Dey , Benjamin Billot , Hallee E. Wong , Clinton J. Wang , Mengwei Ren , P. Ellen Grant , Adrian V. Dalca , Polina Golland

Recent self-supervised advances in medical computer vision exploit global and local anatomical self-similarity for pretraining prior to downstream tasks such as segmentation. However, current methods assume i.i.d. image acquisition, which…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Mengwei Ren , Neel Dey , Martin A. Styner , Kelly Botteron , Guido Gerig

Purpose: To objectively assess new medical imaging technologies via computer-simulations, it is important to account for the variability in the ensemble of objects to be imaged. This source of variability can be described by stochastic…

图像与视频处理 · 电气工程与系统科学 2022-03-01 Weimin Zhou , Sayantan Bhadra , Frank J. Brooks , Hua Li , Mark A. Anastasio

Electrical tomography techniques have been widely employed for multiphase-flow monitoring owing to their non invasive nature, intrinsic safety, and low cost. Nevertheless, conventional reconstructions struggle to capture fine details, which…

图像与视频处理 · 电气工程与系统科学 2025-12-23 Wejian Yan

Accurately and precisely characterizing the morphology of small pulmonary structures from Computed Tomography (CT) images, such as airways and vessels, is becoming of great importance for diagnosis of pulmonary diseases. The smaller…

图像与视频处理 · 电气工程与系统科学 2020-04-13 Pietro Nardelli , James C. Ross , Raúl San José Estépar

Pulmonary emphysema, the progressive, irreversible loss of lung tissue, is conventionally categorized into three subtypes identifiable on pathology and on lung computed tomography (CT) images. Recent work has led to the unsupervised…

We propose an attention-based method that aggregates local image features to a subject-level representation for predicting disease severity. In contrast to classical deep learning that requires a fixed dimensional input, our method operates…

计算机视觉与模式识别 · 计算机科学 2018-07-02 Sumedha Singla , Mingming Gong , Siamak Ravanbakhsh , Frank Sciurba , Barnabas Poczos , Kayhan N. Batmanghelich

Deep learning has a great potential to alleviate diagnosis and prognosis for various clinical procedures. However, the lack of a sufficient number of medical images is the most common obstacle in conducting image-based analysis using deep…

图像与视频处理 · 电气工程与系统科学 2022-05-23 Marija Habijan , Irena Galic

Automated lesion segmentation from computed tomography (CT) is an important and challenging task in medical image analysis. While many advancements have been made, there is room for continued improvements. One hurdle is that CT images can…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Youbao Tang , Jinzheng Cai , Le Lu , Adam P. Harrison , Ke Yan , Jing Xiao , Lin Yang , Ronald M. Summers