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We apply a Machine Learning technique known as Convolutional Denoising Autoencoder to denoise synthetic images of state-of-the-art radio telescopes, with the goal of detecting the faint, diffused radio sources predicted to characterise the…

天体物理仪器与方法 · 物理学 2021-11-03 Claudio Gheller , Franco Vazza

Lung ultrasound imaging has been shown effective in detecting typical patterns for interstitial pneumonia, as a point-of-care tool for both patients with COVID-19 and other community-acquired pneumonia (CAP). In this work, we focus on the…

We focus on automatic feature extraction for raw audio heartbeat sounds, aimed at anomaly detection applications in healthcare. We learn features with the help of an autoencoder composed by a 1D non-causal convolutional encoder and a…

声音 · 计算机科学 2021-02-25 Robert-George Colt , Csongor-Huba Várady , Riccardo Volpi , Luigi Malagò

Early diagnosis and analysis of lung cancer involve a precise and efficient lung nodule segmentation in computed tomography (CT) images. However, the anonymous shapes, visual features, and surroundings of the nodule in the CT image pose a…

图像与视频处理 · 电气工程与系统科学 2020-03-23 Nikhil Varma Keetha , Samson Anosh Babu P , Chandra Sekhara Rao Annavarapu

This paper addresses the problem of pathological lung segmentation, a significant challenge in medical image analysis, particularly pronounced in cases of peripheral opacities (severe fibrosis and consolidation) because of the textural…

图像与视频处理 · 电气工程与系统科学 2024-07-10 Rezkellah Noureddine Khiati , Pierre-Yves Brillet , Aurélien Justet , Radu Ispas , Catalin Fetita

Radon transform and its inverse operation are important techniques in medical imaging tasks. Recently, there has been renewed interest in Radon transform for applications such as content-based medical image retrieval. However, all studies…

计算机视觉与模式识别 · 计算机科学 2017-10-12 Morteza Babaie , H. R. Tizhoosh , Amin Khatami , M. E. Shiri

Diagnostic imaging plays a critical role in healthcare, serving as a fundamental asset for timely diagnosis, disease staging and management as well as for treatment choice, planning, guidance, and follow-up. Among the diagnostic imaging…

信号处理 · 电气工程与系统科学 2021-09-24 Ruud JG van Sloun , Jong Chul Ye , Yonina C Eldar

Data augmentation is of paramount importance in biomedical image processing tasks, characterized by inadequate amounts of labelled data, to best use all of the data that is present. In-use techniques range from intensity transformations and…

图像与视频处理 · 电气工程与系统科学 2023-07-06 Subhradeep Kayal , Florian Dubost , Harm A. W. M. Tiddens , Marleen de Bruijne

Lung cancer has been one of the major threats to human life for decades. Computer-aided diagnosis can help with early lung nodul detection and facilitate subsequent nodule characterization. Large Visual Language models (VLMs) have been…

图像与视频处理 · 电气工程与系统科学 2024-07-04 Furqan Shaukat , Syed Muhammad Anwar , Abhijeet Parida , Van Khanh Lam , Marius George Linguraru , Mubarak Shah

Lung cancer has been one of the major threats across the world with the highest mortalities. Computer-aided detection (CAD) can help in early detection and thus can help increase the survival rate. Accurate lung parenchyma segmentation (to…

图像与视频处理 · 电气工程与系统科学 2025-09-18 Muhammad Abdullah , Furqan Shaukat

This study introduces a novel unsupervised medical image feature extraction method that employs spatial stratification techniques. An objective function based on weight is proposed to achieve the purpose of fast image recognition. The…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Qishi Zhan , Dan Sun , Erdi Gao , Yuhan Ma , Yaxin Liang , Haowei Yang

Pulmonary pathologies are a significant global health concern, often leading to fatal outcomes if not diagnosed and treated promptly. Chest radiography serves as a primary diagnostic tool, but the availability of experienced radiologists…

图像与视频处理 · 电气工程与系统科学 2024-12-17 Abdelbaki Souid , Mohamed Hamroun , Soufiene Ben Othman , Hedi Sakli , Naceur Abdelkarim

Lung cancer, a malignancy originating in lung tissues, is commonly diagnosed and classified using medical imaging techniques, particularly computed tomography (CT). Despite the integration of machine learning and deep learning methods, the…

图像与视频处理 · 电气工程与系统科学 2025-10-21 Olajumoke O. Adekunle , Joseph D. Akinyemi , Khadijat T. Ladoja , Olufade F. W. Onifade

Computed Tomography (CT) is a vital diagnostic tool in clinical practice, yet the health risks associated with ionizing radiation cannot be overlooked. Low-dose CT (LDCT) helps mitigate radiation exposure but simultaneously leads to reduced…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Guoliang Gong , Man Yu

In the recent past with the rapid surge of COVID-19 infections, lung ultrasound has emerged as a fast and powerful diagnostic tool particularly for continuous and periodic monitoring of the lung. There have been many attempts towards…

图像与视频处理 · 电气工程与系统科学 2022-08-02 Anito Anto , Linda Rose Jimson , Tanya Rose , Mohammed Jafrin , Mahesh Raveendranatha Panicker

Ultrasound Localization Microscopy (ULM) enables imaging of vascular structures in the micrometer range by accumulating contrast agent particle locations over time. Precise and efficient target localization accuracy remains an active…

图像与视频处理 · 电气工程与系统科学 2023-11-08 Christopher Hahne , Georges Chabouh , Olivier Couture , Raphael Sznitman

Accurate detection of pulmonary nodules with high sensitivity and specificity is essential for automatic lung cancer diagnosis from CT scans. Although many deep learning-based algorithms make great progress for improving the accuracy of…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Jingya Liu , Liangliang Cao , Oguz Akin , Yingli Tian

Lung cancer is an extremely lethal disease primarily due to its late-stage diagnosis and significant mortality rate, making it the major cause of cancer-related demises globally. Machine Learning (ML) and Convolution Neural network (CNN)…

图像与视频处理 · 电气工程与系统科学 2025-01-03 Asha V , Bhavanishankar K

We introduce an accurate lung segmentation model for chest radiographs based on deep convolutional neural networks. Our model is based on atrous convolutional layers to increase the field-of-view of filters efficiently. To improve…

计算机视觉与模式识别 · 计算机科学 2017-08-03 Sangheum Hwang , Sunggyun Park

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