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Recent years have witnessed a growing academic and industrial interest in deep learning (DL) for medical imaging. To perform well, DL models require very large labeled datasets. However, most medical imaging datasets are small, with a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Minh H. Vu , Lorenzo Tronchin , Tufve Nyholm , Tommy Löfstedt

In this paper, we address the task of semantic-guided image generation. One challenge common to most existing image-level generation methods is the difficulty in generating small objects and detailed local textures. To address this, in this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Hao Tang , Ling Shao , Philip H. S. Torr , Nicu Sebe

Medical anomaly detection is a critical research area aimed at recognizing abnormal images to aid in diagnosis.Most existing methods adopt synthetic anomalies and image restoration on normal samples to detect anomaly. The unlabeled data…

Image and Video Processing · Electrical Eng. & Systems 2024-05-22 Zerui Zhang , Zhichao Sun , Zelong Liu , Bo Du , Rui Yu , Zhou Zhao , Yongchao Xu

In recent years, impressive progress has been made in the design of implicit probabilistic models via Generative Adversarial Networks (GAN) and its extension, the Conditional GAN (CGAN). Excellent solutions have been demonstrated mostly in…

Machine Learning · Computer Science 2020-02-06 Karan Aggarwal , Matthieu Kirchmeyer , Pranjul Yadav , S. Sathiya Keerthi , Patrick Gallinari

Generative Adversarial Networks (GANs) have obtained extraordinary success in the generation of realistic images, a domain where a lower pixel-level accuracy is acceptable. We study the problem, not yet tackled in the literature, of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Emanuele Ghelfi , Paolo Galeone , Michele De Simoni , Federico Di Mattia

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…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Amirata Ghorbani , Vivek Natarajan , David Coz , Yuan Liu

Image-to-image translation plays a vital role in tackling various medical imaging tasks such as attenuation correction, motion correction, undersampled reconstruction, and denoising. Generative adversarial networks have been shown to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-05 Uddeshya Upadhyay , Yanbei Chen , Tobias Hepp , Sergios Gatidis , Zeynep Akata

Visual odometry (VO) and SLAM have been using multi-view geometry via local structure from motion for decades. These methods have a slight disadvantage in challenging scenarios such as low-texture images, dynamic scenarios, etc. Meanwhile,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Akankshya Kar , Sajal Maheshwari , Shamit Lal , Vinay Sameer Raja Kad

Artificial intelligence and machine learning techniques have the promise to revolutionize the field of digital pathology. However, these models demand considerable amounts of data, while the availability of unbiased training data is…

Image and Video Processing · Electrical Eng. & Systems 2023-02-14 Nati Daniel , Eliel Aknin , Ariel Larey , Yoni Peretz , Guy Sela , Yael Fisher , Yonatan Savir

The GANs promote an adversarive game to approximate complex and jointed example probability. The networks driven by noise generate fake examples to approximate realistic data distributions. Later the conditional GAN merges prior-conditions…

Computer Vision and Pattern Recognition · Computer Science 2017-07-18 Meng Wang , Huafeng Li , Fang Li

Acoustic anomaly detection aims at distinguishing abnormal acoustic signals from the normal ones. It suffers from the class imbalance issue and the lacking in the abnormal instances. In addition, collecting all kinds of abnormal or unknown…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-06 Chengwei Chen , Pan Chen , Lingyu Yang , Jinyuan Mo , Haichuan Song , Yuan Xie , Lizhuang Ma

Through the probing of light-matter interactions, Raman spectroscopy provides invaluable insights into the composition, structure, and dynamics of materials, and obtaining such data from portable and cheap instruments is of immense…

Chemical Physics · Physics 2024-07-03 Vikas Yadav , Abhay Kumar Tiwari , Soumik Siddhanta

Image classification datasets are often imbalanced, characteristic that negatively affects the accuracy of deep-learning classifiers. In this work we propose balancing GAN (BAGAN) as an augmentation tool to restore balance in imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Giovanni Mariani , Florian Scheidegger , Roxana Istrate , Costas Bekas , Cristiano Malossi

Recently a type of neural networks called Generative Adversarial Networks (GANs) has been proposed as a solution for fast generation of simulation-like datasets, in an attempt to bypass heavy computations and expensive cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2021-07-21 Marion Ullmo , Aurélien Decelle , Nabila Aghanim

Recent improvements in Generative Adversarial Neural Networks (GANs) have shown their ability to generate higher quality samples as well as to learn good representations for transfer learning. Most of the representation learning methods…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-02 Kazi Nazmul Haque , Rajib Rana , John H. L. Hansen , Björn Schuller

Generative Adversarial Networks (GANs) are powerful generative models that achieved strong results, mainly in the image domain. However, the training of GANs is not trivial, presenting some challenges tackled by different strategies.…

Neural and Evolutionary Computing · Computer Science 2021-02-26 Victor Costa , Nuno Lourenço , João Correia , Penousal Machado

Generative adversarial networks (GANs) can now generate photo-realistic images. However, how to best control the image content remains an open challenge. We introduce LatentKeypointGAN, a two-stage GAN internally conditioned on a set of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-10 Xingzhe He , Bastian Wandt , Helge Rhodin

Generative adversarial networks (GANs) are one powerful type of deep learning models that have been successfully utilized in numerous fields. They belong to a broader family called generative methods, which generate new data with a…

Medical imaging datasets are inherently high dimensional with large variability and low sample sizes that limit the effectiveness of deep learning algorithms. Recently, generative adversarial networks (GANs) with the ability to synthesize…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Apoorva Sikka , Skand Peri , Jitender Singh Virk , Usma Niyaz , Deepti R. Bathula

During their formative years, radiology trainees are required to interpret hundreds of mammograms per month, with the objective of becoming apt at discerning the subtle patterns differentiating benign from malignant lesions. Unfortunately,…

Image and Video Processing · Electrical Eng. & Systems 2020-10-26 Cyril Zakka , Ghida Saheb , Elie Najem , Ghina Berjawi