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Autonomous vehicles increasingly rely on cameras to provide the input for perception and scene understanding and the ability of these models to classify their environment and objects, under adverse conditions and image noise is crucial.…

计算机视觉与模式识别 · 计算机科学 2021-11-08 Andreas Papachristodoulou , Christos Kyrkou , Theocharis Theocharides

Spectroscopy represents the ideal observational method to maximally extract information from galaxies regarding their star formation and chemical enrichment histories. However, absorption spectra of galaxies prove rather challenging at high…

天体物理仪器与方法 · 物理学 2025-10-10 Oliver Camilleri , Zahra Sharbaf , Ignacio Ferreras

Enhanced modeling of microlensing variations in light curves of strongly lensed quasars improves measurements of cosmological time delays, the Hubble Constant, and quasar structure. Traditional methods for modeling extra-galactic…

天体物理仪器与方法 · 物理学 2025-01-03 Somayeh Khakpash , Federica Bianco , Georgios Vernardos , Gregory Dobler , Charles Keeton

Currently, analysis of microscopic In Situ Hybridization images is done manually by experts. Precise evaluation and classification of such microscopic images can ease experts' work and reveal further insights about the data. In this work,…

图像与视频处理 · 电气工程与系统科学 2023-12-21 Aleksandar A. Yanev , Galina D. Momcheva , Stoyan P. Pavlov

We apply machine learning methods to demonstrate range superresolution in remote sensing radar detection. Specifically, we implement a denoising autoencoder to estimate the distance between two equal intensity scatterers in the…

信号处理 · 电气工程与系统科学 2025-06-19 Robert Czupryniak , Abhishek Chakraborty , Andrew N. Jordan , John C. Howell

Sparse auto-encoders are useful for extracting low-dimensional representations from high-dimensional data. However, their performance degrades sharply when the input noise at test time differs from the noise employed during training. This…

机器学习 · 计算机科学 2024-07-01 Nelson Goldenstein , Jeremias Sulam , Yaniv Romano

In industrial vision, the anomaly detection problem can be addressed with an autoencoder trained to map an arbitrary image, i.e. with or without any defect, to a clean image, i.e. without any defect. In this approach, anomaly detection…

图像与视频处理 · 电气工程与系统科学 2020-11-05 Anne-Sophie Collin , Christophe De Vleeschouwer

Autoencoders are a type of unsupervised neural networks, which can be used to solve various tasks, e.g., dimensionality reduction, image compression, and image denoising. An AE has two goals: (i) compress the original input to a…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Moncef Gabbouj

Small satellite technologies have enhanced the potential and feasibility of geodesic missions, through simplification of design and decreased costs allowing for more frequent launches. On-satellite data acquisition systems can benefit from…

天体物理仪器与方法 · 物理学 2025-08-18 Dishanand Jayeprokash , Julia Gonski

Recently, denoising methods based on supervised learning have exhibited promising performance. However, their reliance on external datasets containing noisy-clean image pairs restricts their applicability. To address this limitation,…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Jaekyun Ko , Sanghwan Lee

Denoising is the process of removing noise from sound signals while improving the quality and adequacy of the sound signals. Denoising sound has many applications in speech processing, sound events classification, and machine failure…

声音 · 计算机科学 2022-08-10 Thanh Tran , Sebastian Bader , Jan Lundgren

Deep Learning based methods have emerged as the indisputable leaders for virtually all image restoration tasks. Especially in the domain of microscopy images, various content-aware image restoration (CARE) approaches are now used to improve…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Mangal Prakash , Alexander Krull , Florian Jug

Autoencoders have demonstrated remarkable success in learning low-dimensional latent features of high-dimensional data across various applications. Assuming that data are sampled near a low-dimensional manifold, we employ chart…

机器学习 · 统计学 2023-10-26 Hao Liu , Alex Havrilla , Rongjie Lai , Wenjing Liao

Autoencoders are unsupervised deep learning models used for learning representations. In literature, autoencoders have shown to perform well on a variety of tasks spread across multiple domains, thereby establishing widespread…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Maneet Singh , Shruti Nagpal , Mayank Vatsa , Richa Singh , Afzel Noore

We focus on a specific use case in anomaly detection where the distribution of normal samples is supported by a lower-dimensional manifold. Here, regularized autoencoders provide a popular approach by learning the identity mapping on the…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Alexander Bauer , Shinichi Nakajima , Klaus-Robert Müller

As a promising scheme of self-supervised learning, masked autoencoding has significantly advanced natural language processing and computer vision. Inspired by this, we propose a neat scheme of masked autoencoders for point cloud…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Yatian Pang , Wenxiao Wang , Francis E. H. Tay , Wei Liu , Yonghong Tian , Li Yuan

Deep learning has significantly advanced medical imaging analysis, yet variations in image resolution remain an overlooked challenge. Most methods address this by resampling images, leading to either information loss or computational…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Ashay Patel , Michela Antonelli , Sebastien Ourselin , M. Jorge Cardoso

Even after decades of research, dynamic scene background reconstruction and foreground object segmentation are still considered as open problems due various challenges such as illumination changes, camera movements, or background noise…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Bruno Sauvalle , Arnaud de La Fortelle

Autoencoders are commonly trained using element-wise loss. However, element-wise loss disregards high-level structures in the image which can lead to embeddings that disregard them as well. A recent improvement to autoencoders that helps…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Gustav Grund Pihlgren , Fredrik Sandin , Marcus Liwicki

We propose a lossy image compression system using the deep-learning autoencoder structure to participate in the Challenge on Learned Image Compression (CLIC) 2018. Our autoencoder uses the residual blocks with skip connections to reduce the…

计算机视觉与模式识别 · 计算机科学 2019-02-21 David Alexandre , Chih-Peng Chang , Wen-Hsiao Peng , Hsueh-Ming Hang