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We introduce a fluid-based image augmentation method for medical image analysis. In contrast to existing methods, our framework generates anatomically meaningful images via interpolation from the geodesic subspace underlying given samples.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Zhengyang Shen , Zhenlin Xu , Sahin Olut , Marc Niethammer

Deep learning models show remarkable results in automated skin lesion analysis. However, these models demand considerable amounts of data, while the availability of annotated skin lesion images is often limited. Data augmentation can expand…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Fábio Perez , Cristina Vasconcelos , Sandra Avila , Eduardo Valle

Although augmentations (e.g., perturbation of graph edges, image crops) boost the efficiency of Contrastive Learning (CL), feature level augmentation is another plausible, complementary yet not well researched strategy. Thus, we present a…

Machine Learning · Computer Science 2022-12-05 Yifei Zhang , Hao Zhu , Zixing Song , Piotr Koniusz , Irwin King

Deep learning has the potential to revolutionize medical practice by automating and performing important tasks like detecting and delineating the size and locations of cancers in medical images. However, most deep learning models rely on…

Image and Video Processing · Electrical Eng. & Systems 2023-11-28 Eirik A. Østmo , Kristoffer K. Wickstrøm , Keyur Radiya , Michael C. Kampffmeyer , Robert Jenssen

Chronic wounds are a significant burden on individuals and the healthcare system, affecting millions of people and incurring high costs. Wound classification using deep learning techniques is a promising approach for faster diagnosis and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Harini Narayanan , Sindhu Ghanta

Image segmentation is a fundamental problem in medical image analysis. In recent years, deep neural networks achieve impressive performances on many medical image segmentation tasks by supervised learning on large manually annotated data.…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Ling Zhang , Vissagan Gopalakrishnan , Le Lu , Ronald M. Summers , Joel Moss , Jianhua Yao

Automated segmentation of anatomical structures is a crucial step in image analysis. For lung segmentation in computed tomography, a variety of approaches exist, involving sophisticated pipelines trained and validated on different datasets.…

Image and Video Processing · Electrical Eng. & Systems 2020-08-21 Johannes Hofmanninger , Florian Prayer , Jeanny Pan , Sebastian Rohrich , Helmut Prosch , Georg Langs

Self-supervised contrastive learning is among the recent representation learning methods that have shown performance gains in several downstream tasks including semantic segmentation. This paper evaluates strong data augmentation, one of…

Image and Video Processing · Electrical Eng. & Systems 2025-12-11 Azeez Idris , Abdurahman Ali Mohammed , Samuel Fanijo

Data augmentation is widely used as a part of the training process applied to deep learning models, especially in the computer vision domain. Currently, common data augmentation techniques are designed manually. Therefore they require…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Irynei Baran , Orest Kupyn , Arseny Kravchenko

A mixed sample data augmentation strategy is proposed to enhance the performance of models on audio scene classification, sound event classification, and speech enhancement tasks. While there have been several augmentation methods shown to…

Sound · Computer Science 2021-08-09 Gwantae Kim , David K. Han , Hanseok Ko

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…

Image and Video Processing · Electrical Eng. & Systems 2024-07-10 Rezkellah Noureddine Khiati , Pierre-Yves Brillet , Aurélien Justet , Radu Ispas , Catalin Fetita

Statistical shape models (SSM) have been well-established as an excellent tool for identifying variations in the morphology of anatomy across the underlying population. Shape models use consistent shape representation across all the samples…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Mokshagna Sai Teja Karanam , Tushar Kataria , Krithika Iyer , Shireen Elhabian

Novel methods for rapidly estimating single-photon source (SPS) quality have been promoted in recent literature to address the expensive and time-consuming nature of experimental validation via intensity interferometry. However, the…

Accurate segmentation of the left ventricle myocardium in cardiac CT angiography (CCTA) is essential for e.g. the assessment of myocardial perfusion. Automatic deep learning methods for segmentation in CCTA might suffer from differences in…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Steffen Bruns , Jelmer M. Wolterink , Robbert W. van Hamersvelt , Majd Zreik , Tim Leiner , Ivana Išgum

Successful training of convolutional neural networks (CNNs) requires a substantial amount of data. With small datasets networks generalize poorly. Data Augmentation techniques improve the generalizability of neural networks by using…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Saman Motamed , Patrik Rogalla , Farzad Khalvati

Early detection of lung cancer has been proven to decrease mortality significantly. A recent development in computed tomography (CT), spectral CT, can potentially improve diagnostic accuracy, as it yields more information per scan than…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Linde S. Hesse , Pim A. de Jong , Josien P. W. Pluim , Veronika Cheplygina

Recently, intelligent analysis of lung nodules with the assistant of computer aided detection (CAD) techniques can improve the accuracy rate of lung cancer diagnosis. However, existing CAD systems and pulmonary datasets mainly focus on…

Image and Video Processing · Electrical Eng. & Systems 2024-06-27 Muwei Jian , Haoran Zhang , Mingju Shao , Hongyu Chen , Huihui Huang , Yanjie Zhong , Changlei Zhang , Bin Wang , Penghui Gao

Chest X-ray (CXR) is the most common examination for fast detection of pulmonary abnormalities. Recently, automated algorithms have been developed to classify multiple diseases and abnormalities in CXR scans. However, because of the limited…

Image and Video Processing · Electrical Eng. & Systems 2020-08-06 Sebastian Guendel , Arnaud Arindra Adiyoso Setio , Sasa Grbic , Andreas Maier , Dorin Comaniciu

Training segmentation networks requires large annotated datasets, which in medical imaging can be hard to obtain. Despite this fact, data augmentation has in our opinion not been fully explored for brain tumor segmentation. In this project…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Marco Domenico Cirillo , David Abramian , Anders Eklund

In this work, we shed light on different data augmentation techniques commonly used in Light Detection and Ranging (LiDAR) based 3D Object Detection. For the bulk of our experiments, we utilize the well known PointPillars pipeline and the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Martin Hahner , Dengxin Dai , Alexander Liniger , Luc Van Gool
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