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Deep learning-based semantic segmentation methods have an intrinsic limitation that training a model requires a large amount of data with pixel-level annotations. To address this challenging issue, many researchers give attention to…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Jaehoon Choi , Taekyung Kim , Changick Kim

Deep learning methods are state-of-the-art for spectral image (SI) computational tasks. However, these methods are constrained in their performance since available datasets are limited due to the highly expensive and long acquisition time.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Emmanuel Martinez , Roman Jacome , Alejandra Hernandez-Rojas , Henry Arguello

Image segmentation is an important task in many medical applications. Methods based on convolutional neural networks attain state-of-the-art accuracy; however, they typically rely on supervised training with large labeled datasets. Labeling…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Amy Zhao , Guha Balakrishnan , Frédo Durand , John V. Guttag , Adrian V. Dalca

Training of Generative Adversarial Networks (GANs) is notoriously fragile, requiring to maintain a careful balance between the generator and the discriminator in order to perform well. To mitigate this issue we introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Dan Zhang , Anna Khoreva

Dynamic contrast enhanced computed tomography (CT) is an imaging technique that provides critical information on the relationship of vascular structure and dynamics in the context of underlying anatomy. A key challenge for image processing…

Modern Imaging Atmospheric Cherenkov Telescopes (IACTs) generate a huge amount of data that must be classified automatically, ideally in real time. Currently, machine learning-based solutions are increasingly being used to solve…

Instrumentation and Methods for Astrophysics · Physics 2025-04-03 Yu. Yu. Dubenskaya , A. P. Kryukov , E. O. Gres , S. P. Polyakov , E. B. Postnikov , P. A. Volchugov , A. A. Vlaskina , D. P. Zhurov

This study focuses on the classification of cancerous and healthy slices from multimodal lung images. The data used in the research comprises Computed Tomography (CT) and Positron Emission Tomography (PET) images. The proposed strategy…

Image and Video Processing · Electrical Eng. & Systems 2025-02-04 Surochita Pal , Sushmita Mitra

Data augmentation plays a crucial role in addressing the challenge of limited expert-annotated datasets in deep learning applications for retinal Optical Coherence Tomography (OCT) scans. This work exhaustively investigates the impact of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-23 Markus Unterdechler , Botond Fazekas , Guilherme Aresta , Hrvoje Bogunović

We propose a distributed approach to train deep convolutional generative adversarial neural network (DC-CGANs) models. Our method reduces the imbalance between generator and discriminator by partitioning the training data according to data…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Massimiliano Lupo Pasini , Vittorio Gabbi , Junqi Yin , Simona Perotto , Nouamane Laanait

Medical datasets are often highly imbalanced with over-representation of common medical problems and a paucity of data from rare conditions. We propose simulation of pathology in images to overcome the above limitations. Using chest X-rays…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Hojjat Salehinejad , Shahrokh Valaee , Tim Dowdell , Errol Colak , Joseph Barfett

Data augmentation (DA) is a key factor in medical image analysis, such as in prostate cancer (PCa) detection on magnetic resonance images. State-of-the-art computer-aided diagnosis systems still rely on simplistic spatial transformations to…

The data scarcity problem in emotion recognition from electroencephalography (EEG) leads to difficulty in building an affective model with high accuracy using machine learning algorithms or deep neural networks. Inspired by emerging deep…

Signal Processing · Electrical Eng. & Systems 2020-06-18 Yun Luo , Li-Zhen Zhu , Zi-Yu Wan , Bao-Liang Lu

Disease severity regression by a convolutional neural network (CNN) for medical images requires a sufficient number of image samples labeled with severity levels. Conditional generative adversarial network (cGAN)-based data augmentation…

Image and Video Processing · Electrical Eng. & Systems 2023-02-27 Shumpei Takezaki , Kiyohito Tanaka , Seiichi Uchida , Takeaki Kadota

Collecting and annotating datasets for pixel-level semantic segmentation tasks are highly labor-intensive. Data augmentation provides a viable solution by enhancing model generalization without additional real-world data collection.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Huy Che , Dinh-Duy Phan , Duc-Khai Lam

The challenges of collecting medical data on neurological disorder diagnosis problems paved the way for learning methods with scarce number of samples. Due to this reason, one-shot learning still remains one of the most challenging and…

Neurons and Cognition · Quantitative Biology 2022-12-16 Oben Özgür , Arwa Rekik , Islem Rekik

Deep learning algorithms have become the golden standard for segmentation of medical imaging data. In most works, the variability and heterogeneity of real clinical data is acknowledged to still be a problem. One way to automatically…

Image and Video Processing · Electrical Eng. & Systems 2022-02-25 Arkadiy Dushatskiy , Gerry Lowe , Peter A. N. Bosman , Tanja Alderliesten

Automated detection of mitotic figures in histopathology images is a challenging task: here, we present the different steps that describe the strategy we applied to participate in the MIDOG 2021 competition. The purpose of the competition…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Maxime W. Lafarge , Viktor H. Koelzer

The classification of acoustic environments allows for machines to better understand the auditory world around them. The use of deep learning in order to teach machines to discriminate between different rooms is a new area of research.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-07 Constantinos Papayiannis , Christine Evers , Patrick A. Naylor

Deep learning techniques have become widely utilized in histopathology image classification due to their superior performance. However, this success heavily relies on the availability of substantial labeled data, which necessitates…

Image and Video Processing · Electrical Eng. & Systems 2024-10-15 Meng Li , Chaoyi Li , Can Peng , Brian C. Lovell

Data augmentations are effective in improving the invariance of learning machines. We argue that the core challenge of data augmentations lies in designing data transformations that preserve labels. This is relatively straightforward for…

Machine Learning · Computer Science 2023-03-01 Youzhi Luo , Michael McThrow , Wing Yee Au , Tao Komikado , Kanji Uchino , Koji Maruhashi , Shuiwang Ji