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In surveillance, monitoring and tactical reconnaissance, gathering the right visual information from a dynamic environment and accurately processing such data are essential ingredients to making informed decisions which determines the…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Kin Gwn Lore , Adedotun Akintayo , Soumik Sarkar

It has been shown that machine translation models usually generate poor translations for named entities that are infrequent in the training corpus. Earlier named entity translation methods mainly focus on phonetic transliteration, which…

Computation and Language · Computer Science 2021-11-16 Junjie Hu , Hiroaki Hayashi , Kyunghyun Cho , Graham Neubig

Autoencoders are able to learn useful data representations in an unsupervised matter and have been widely used in various machine learning and computer vision tasks. In this work, we present methods to train Invertible Neural Networks…

Machine Learning · Computer Science 2023-03-22 The-Gia Leo Nguyen , Lynton Ardizzone , Ullrich Köthe

Blind image quality assessment (BIQA) is a challenging problem with important real-world applications. Recent efforts attempting to exploit powerful representations by deep neural networks (DNN) are hindered by the lack of subjectively…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Zehong Zhou , Fei Zhou , Guoping Qiu

In this work, a denoising Cycle-GAN (Cycle Consistent Generative Adversarial Network) is implemented to yield high-field, high resolution, high signal-to-noise ratio (SNR) Magnetic Resonance Imaging (MRI) images from simulated low-field,…

Image and Video Processing · Electrical Eng. & Systems 2023-07-14 Fernando Vega , Abdoljalil Addeh , M. Ethan MacDonald

Machine learning (ML) models trained to detect physical-layer threats on one optical fiber system often fail catastrophically when applied to a different system, due to variations in operating wavelength, fiber properties, and network…

We introduce a novel masked graph autoencoder (MGAE) framework to perform effective learning on graph structure data. Taking insights from self-supervised learning, we randomly mask a large proportion of edges and try to reconstruct these…

Machine Learning · Computer Science 2022-01-10 Qiaoyu Tan , Ninghao Liu , Xiao Huang , Rui Chen , Soo-Hyun Choi , Xia Hu

Recent advances in learning aligned multimodal representations have been primarily driven by training large neural networks on massive, noisy paired-modality datasets. In this work, we ask whether it is possible to achieve similar results…

Machine Learning · Computer Science 2022-10-11 Elan Rosenfeld , Preetum Nakkiran , Hadi Pouransari , Oncel Tuzel , Fartash Faghri

In this paper, we present a novel approach for initializing deep neural networks, i.e., by turning PCA into neural layers. Usually, the initialization of the weights of a deep neural network is done in one of the three following ways: 1)…

Machine Learning · Computer Science 2018-04-25 Mathias Seuret , Michele Alberti , Rolf Ingold , Marcus Liwicki

Compared with traditional seismic noise attenuation algorithms that depend on signal models and their corresponding prior assumptions, removing noise with a deep neural network is trained based on a large training set, where the inputs are…

Geophysics · Physics 2019-07-23 Siwei Yu , Jianwei Ma , Wenlong Wang

We present a new method for improving the performances of variational autoencoder (VAE). In addition to enforcing the deep feature consistent principle thus ensuring the VAE output and its corresponding input images to have similar deep…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Xianxu Hou , Ke Sun , Linlin Shen , Guoping Qiu

In this paper, we present a novel approach for training a Variational Autoencoder (VAE) on a highly imbalanced data set. The proposed training of a high-resolution VAE model begins with the training of a low-resolution core model, which can…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Dmitry Utyamishev , Inna Partin-Vaisband

The memorization effect of deep neural network (DNN) plays a pivotal role in many state-of-the-art label-noise learning methods. To exploit this property, the early stopping trick, which stops the optimization at the early stage of…

Machine Learning · Computer Science 2021-12-28 Yingbin Bai , Erkun Yang , Bo Han , Yanhua Yang , Jiatong Li , Yinian Mao , Gang Niu , Tongliang Liu

With the advent of affordable depth sensors, 3D capture becomes more and more ubiquitous and already has made its way into commercial products. Yet, capturing the geometry or complete shapes of everyday objects using scanning devices (e.g.…

Computer Vision and Pattern Recognition · Computer Science 2016-09-13 Abhishek Sharma , Oliver Grau , Mario Fritz

Deep convolutional neural networks (CNNs) for image denoising are usually trained on large datasets. These models achieve the current state of the art, but they have difficulties generalizing when applied to data that deviate from the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Sreyas Mohan , Joshua L. Vincent , Ramon Manzorro , Peter A. Crozier , Eero P. Simoncelli , Carlos Fernandez-Granda

Recently, deep learning becomes the main focus of machine learning research and has greatly impacted many important fields. However, deep learning is criticized for lack of interpretability. As a successful unsupervised model in deep…

Machine Learning · Computer Science 2021-01-06 Fenglei Fan , Mengzhou Li , Yueyang Teng , Ge Wang

Clinical guidelines underscore the importance of regularly monitoring and surveilling arteriovenous fistula (AVF) access in hemodialysis patients to promptly detect any dysfunction. Although phono-angiography/sound analysis overcomes the…

Machine Learning · Computer Science 2023-06-13 Li-Chin Chen , Yi-Heng Lin , Li-Ning Peng , Feng-Ming Wang , Yu-Hsin Chen , Po-Hsun Huang , Shang-Feng Yang , Yu Tsao

Many important problems in science and engineering require solving the so-called parametric partial differential equations (PDEs), i.e., PDEs with different physical parameters, boundary conditions, shapes of computational domains, etc.…

Numerical Analysis · Mathematics 2024-02-06 Zhanhong Ye , Xiang Huang , Hongsheng Liu , Bin Dong

We propose a novel way to measure and understand convolutional neural networks by quantifying the amount of input signal they let in. To do this, an autoencoder (AE) was fine-tuned on gradients from a pre-trained classifier with fixed…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Sebastian Palacio , Joachim Folz , Jörn Hees , Federico Raue , Damian Borth , Andreas Dengel

AI-enhanced approaches are becoming common in astronomical data analysis, including in the galaxy morphological classification. In this study we develop an approach that enhances galaxy classification by incorporating an image denoising…

Instrumentation and Methods for Astrophysics · Physics 2025-06-25 Sergey Mirzoyan