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Supervised training of an automated medical image analysis system often requires a large amount of expert annotations that are hard to collect. Moreover, the proportions of data available across different classes may be highly imbalanced…

计算机视觉与模式识别 · 计算机科学 2019-12-10 Yuan Xue , Jiarong Ye , Rodney Long , Sameer Antani , Zhiyun Xue , Xiaolei Huang

Due to the rapid growth of Electrical Capacitance Tomography (ECT) applications in several industrial fields, there is a crucial need for developing high quality, yet fast, methodologies of image reconstruction from raw capacitance…

图像与视频处理 · 电气工程与系统科学 2024-04-09 Wael Deabes , Alaa E. Abdel-Hakim

Generative image models have achieved remarkable progress in both natural and medical imaging. In the medical context, these techniques offer a potential solution to data scarcity-especially for low-prevalence anomalies that impair the…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Gregory Schuit , Denis Parra , Cecilia Besa

The performance of face recognition (FR) systems applied in video surveillance has been shown to improve when the design data is augmented through synthetic face generation. This is true, for instance, with pair-wise matchers (e.g., deep…

计算机视觉与模式识别 · 计算机科学 2019-11-01 Fania Mokhayeri , Kaveh Kamali , Eric Granger

Transcranial focused ultrasound (tFUS) is a therapeutic ultrasound method that focuses sound through the skull to a small region noninvasively and often under MRI guidance. CT imaging is used to estimate the acoustic properties that vary…

图像与视频处理 · 电气工程与系统科学 2022-10-27 Han Liu , Michelle K. Sigona , Thomas J. Manuel , Li Min Chen , Benoit M. Dawant , Charles F. Caskey

Realistic synthetic image data rendered from 3D models can be used to augment image sets and train image classification semantic segmentation models. In this work, we explore how high quality physically-based rendering and domain…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Jason W. Anderson , Marcin Ziolkowski , Ken Kennedy , Amy W. Apon

There is a significant need for the generation of virtual histological information from coronary optical coherence tomography (OCT) images to better guide the treatment of coronary artery disease. However, existing methods either require a…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Xueshen Li , Hongshan Liu , Xiaoyu Song , Brigitta C. Brott , Silvio H. Litovsky , Yu Gan

While remarkable advances have been made in Computed Tomography (CT), most of the existing efforts focus on imaging enhancement while reducing radiation dose. How to harmonize CT image data captured using different scanners is vital in…

图像与视频处理 · 电气工程与系统科学 2021-10-20 Md Selim , Jie Zhang , Baowei Fei , Guo-Qiang Zhang , Gary Yeeming Ge , Jin Chen

Background: In MR-guided proton therapy planning, aligning MR and CT images is key for MR-based CT synthesis, especially in mobile regions like the head-and-neck. Misalignments here can lead to less accurate synthetic CT (sCT) images,…

Deep learning algorithms produces state-of-the-art results for different machine learning and computer vision tasks. To perform well on a given task, these algorithms require large dataset for training. However, deep learning algorithms…

机器学习 · 计算机科学 2019-04-03 Talha Iqbal , Hazrat Ali

We consider a missing data problem in the context of automatic segmentation methods for Magnetic Resonance Imaging (MRI) brain scans. Usually, automated MRI scan segmentation is based on multiple scans (e.g., T1-weighted, T2-weighted, T1CE,…

图像与视频处理 · 电气工程与系统科学 2024-05-06 Giulia Baldini , Melanie Schmidt , Charlotte Zäske , Liliana L. Caldeira

As a powerful technique in medical imaging, image synthesis is widely used in applications such as denoising, super resolution and modality transformation etc. Recently, the revival of deep neural networks made immense progress in the field…

图像与视频处理 · 电气工程与系统科学 2021-04-23 Gengyan Zhao , Mary E. Meyerand , Rasmus M. Birn

Creating large scale high-quality annotations is a known challenge in medical imaging. In this work, based on the CycleGAN algorithm, we propose leveraging annotations from one modality to be useful in other modalities. More specifically,…

图像与视频处理 · 电气工程与系统科学 2019-09-12 Yucheng Liu , Naji Khosravan , Yulin Liu , Joseph Stember , Jonathan Shoag , Christopher E. Barbieri , Ulas Bagci , Sachin Jambawalikar

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

Computer-Assisted Interventions enable clinicians to perform precise, minimally invasive procedures, often relying on advanced imaging methods. Cone-beam computed tomography (CBCT) can be used to facilitate computer-assisted interventions,…

图像与视频处理 · 电气工程与系统科学 2024-12-04 Maximilian E. Tschuchnig , Philipp Steininger , Michael Gadermayr

Objective Renal cancer is a common malignancy and a major cause of cancer-related deaths. Computed tomography (CT) is central to early detection, staging, and treatment planning. However, the growing CT workload increases radiologists'…

图像与视频处理 · 电气工程与系统科学 2025-10-17 Renjie Liang , Zhengkang Fan , Jinqian Pan , Chenkun Sun , Bruce Daniel Steinberg , Russell Terry , Jie Xu

We propose a novel approach to translate unpaired contrast computed tomography (CT) scans to non-contrast CT scans and the other way around. Solving this task has two important applications: (i) to automatically generate contrast CT scans…

Despite the recent success in applying supervised deep learning to medical imaging tasks, the problem of obtaining large and diverse expert-annotated datasets required for the development of high performant models remains particularly…

计算机视觉与模式识别 · 计算机科学 2019-11-21 Amirata Ghorbani , Vivek Natarajan , David Coz , Yuan Liu

Synthetic data generation is an important application of machine learning in the field of medical imaging. While existing approaches have successfully applied fine-tuned diffusion models for synthesizing medical images, we explore potential…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Lakshmi Nair

As one of the most commonly ordered imaging tests, computed tomography (CT) scan comes with inevitable radiation exposure that increases the cancer risk to patients. However, CT image quality is directly related to radiation dose, thus it…

图像与视频处理 · 电气工程与系统科学 2021-04-27 Xiaowe Xu , Jiawei Zhang , Jinglan Liu , Yukun Ding , Tianchen Wang , Hailong Qiu , Haiyun Yuan , Jian Zhuang , Wen Xie , Yuhao Dong , Qianjun Jia , Meiping Huang , Yiyu Shi