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A common problem in computer vision -- particularly in medical applications -- is a lack of sufficiently diverse, large sets of training data. These datasets often suffer from severe class imbalance. As a result, networks often overfit and…

图像与视频处理 · 电气工程与系统科学 2021-07-08 Shobhita Sundaram , Neha Hulkund

Disease-aware image editing by means of generative adversarial networks (GANs) constitutes a promising avenue for advancing the use of AI in the healthcare sector. Here, we present a proof of concept of this idea. While GAN-based techniques…

图像与视频处理 · 电气工程与系统科学 2021-09-07 Aakash Saboo , Sai Niranjan Ramachandran , Kai Dierkes , Hacer Yalim Keles

Multi-organ segmentation of X-ray images is of fundamental importance for computer aided diagnosis systems. However, the most advanced semantic segmentation methods rely on deep learning and require a huge amount of labeled images, which…

图像与视频处理 · 电气工程与系统科学 2021-11-19 Giorgio Ciano , Paolo Andreini , Tommaso Mazzierli , Monica Bianchini , Franco Scarselli

Computer-Aided-Diagnosis (CADx) systems assist radiologists with identifying and classifying potentially malignant pulmonary nodules on chest CT scans using morphology and texture-based (radiomic) features. However, radiomic features are…

图像与视频处理 · 电气工程与系统科学 2020-01-27 Leihao Wei , Yannan Lin , William Hsu

Automated liver segmentation from radiology scans (CT, MRI) can improve surgery and therapy planning and follow-up assessment in addition to conventional use for diagnosis and prognosis. Although convolutional neural networks (CNNs) have…

图像与视频处理 · 电气工程与系统科学 2022-05-31 Ugur Demir , Zheyuan Zhang , Bin Wang , Matthew Antalek , Elif Keles , Debesh Jha , Amir Borhani , Daniela Ladner , Ulas Bagci

Computed tomography (CT) provides highly detailed three-dimensional (3D) medical images but is costly, time-consuming, and often inaccessible in intraoperative settings (Organization et al. 2011). Recent advancements have explored…

图像与视频处理 · 电气工程与系统科学 2024-12-12 Zhaoxi Zhang , Yueliang Ying

Computed tomography (CT) can provide a 3D view of the patient's internal organs, facilitating disease diagnosis, but it incurs more radiation dose to a patient and a CT scanner is much more cost prohibitive than an X-ray machine too.…

图像与视频处理 · 电气工程与系统科学 2019-05-17 Xingde Ying , Heng Guo , Kai Ma , Jian Wu , Zhengxin Weng , Yefeng Zheng

Generative Adversarial Networks (GANs) have become increasingly powerful, generating mind-blowing photorealistic images that mimic the content of datasets they were trained to replicate. One recurrent theme in medical imaging is whether…

图像与视频处理 · 电气工程与系统科学 2021-07-20 Youssef Skandarani , Pierre-Marc Jodoin , Alain Lalande

Segmentation of regions of interest (ROIs) for identifying abnormalities is a leading problem in medical imaging. Using machine learning for this problem generally requires manually annotated ground-truth segmentations, demanding extensive…

图像与视频处理 · 电气工程与系统科学 2024-08-19 Jay J. Yoo , Khashayar Namdar , Matthias W. Wagner , Liana Nobre , Uri Tabori , Cynthia Hawkins , Birgit B. Ertl-Wagner , Farzad Khalvati

One way to expand the available dataset for training AI models in the medical field is through the use of Generative Adversarial Networks (GANs) for data augmentation. GANs work by employing a generator network to create new data samples…

Echocardiography (echo) is a common means of evaluating cardiac conditions. Due to the label scarcity, semi-supervised paradigms in automated echo analysis are getting traction. One of the most sought-after problems in echo is the…

图像与视频处理 · 电气工程与系统科学 2019-11-26 Amir H. Abdi , Teresa Tsang , Purang Abolmaesumi

Lung segmentation in chest X-rays (CXRs) is an important prerequisite for improving the specificity of diagnoses of cardiopulmonary diseases in a clinical decision support system. Current deep learning models for lung segmentation are…

图像与视频处理 · 电气工程与系统科学 2023-05-26 Sivaramakrishnan Rajaraman , Feng Yang , Ghada Zamzmi , Zhiyun Xue , Sameer Antani

Discriminating lung nodules as malignant or benign is still an underlying challenge. To address this challenge, radiologists need computer aided diagnosis (CAD) systems which can assist in learning discriminative imaging features…

计算机视觉与模式识别 · 计算机科学 2018-10-15 Maria J. M. Chuquicusma , Sarfaraz Hussein , Jeremy Burt , Ulas Bagci

Automated segmentation of Lungs plays a crucial role in the computer-aided diagnosis of chest X-Ray (CXR) images. Developing an efficient Lung segmentation model is challenging because of difficulties such as the presence of several edges…

计算机视觉与模式识别 · 计算机科学 2018-12-03 Jyoti Islam , Yanqing Zhang

A chest radiograph, commonly called chest x-ray (CxR), plays a vital role in the diagnosis of various lung diseases, such as lung cancer, tuberculosis, pneumonia, and many more. Automated segmentation of the lungs is an important step to…

图像与视频处理 · 电气工程与系统科学 2020-11-20 Anushikha Singh , Brejesh Lall , B. K. Panigrahi , Anjali Agrawal , Anurag Agrawal , DJ Christopher , Balamugesh Thangakunam

Clinical evidence has shown that rib-suppressed chest X-rays (CXRs) can improve the reliability of pulmonary disease diagnosis. However, previous approaches on generating rib-suppressed CXR face challenges in preserving details and…

图像与视频处理 · 电气工程与系统科学 2021-10-19 Luyi Han , Yuanyuan Lyu , Cheng Peng , S. Kevin Zhou

Generative Adversarial Networks (GAN) have shown potential in expanding limited medical imaging datasets. This study explores how different ratios of GAN-generated and real brain tumor MRI images impact the performance of a CNN in…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Mahin Montasir Afif , Abdullah Al Noman , K. M. Tahsin Kabir , Md. Mortuza Ahmmed , Md. Mostafizur Rahman , Mufti Mahmud , Md. Ashraful Babu

Generative adversarial networks (GANs) are unsupervised Deep Learning approach in the computer vision community which has gained significant attention from the last few years in identifying the internal structure of multimodal medical…

图像与视频处理 · 电气工程与系统科学 2020-05-22 Nripendra Kumar Singh , Khalid Raza

In spite of the compelling achievements that deep neural networks (DNNs) have made in medical image computing, these deep models often suffer from degraded performance when being applied to new test datasets with domain shift. In this…

计算机视觉与模式识别 · 计算机科学 2018-06-06 Cheng Chen , Qi Dou , Hao Chen , Pheng-Ann Heng

Currently generative adversarial networks (GANs) are rarely applied to medical images of large sizes, especially 3D volumes, due to their large computational demand. We propose a novel multi-scale patch-based GAN approach to generate large…

图像与视频处理 · 电气工程与系统科学 2019-07-09 Hristina Uzunova , Jan Ehrhardt , Fabian Jacob , Alex Frydrychowicz , Heinz Handels