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相关论文: Dynamic Feature Acquisition Using Denoising Autoen…

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Fully-supervised CNN-based approaches for learning local image descriptors have shown remarkable results in a wide range of geometric tasks. However, most of them require per-pixel ground-truth keypoint correspondence data which is…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Iaroslav Melekhov , Zakaria Laskar , Xiaotian Li , Shuzhe Wang , Juho Kannala

We focus on automatic feature extraction for raw audio heartbeat sounds, aimed at anomaly detection applications in healthcare. We learn features with the help of an autoencoder composed by a 1D non-causal convolutional encoder and a…

声音 · 计算机科学 2021-02-25 Robert-George Colt , Csongor-Huba Várady , Riccardo Volpi , Luigi Malagò

In low-visibility marine environments characterized by turbidity and darkness, acoustic cameras serve as visual sensors capable of generating high-resolution 2D sonar images. However, acoustic camera images are interfered with by complex…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Xiaoteng Zhou , Katsunori Mizuno , Yilong Zhang

There has been a lot of prior work on representation learning for speech recognition applications, but not much emphasis has been given to an investigation of effective representations of affect from speech, where the paralinguistic…

计算与语言 · 计算机科学 2016-02-16 Sayan Ghosh , Eugene Laksana , Louis-Philippe Morency , Stefan Scherer

A flexible discriminative image denoiser is introduced in which multi-task learning methods are applied to a densoising FCN based on U-Net. The activations of the U-Net model are modified by affine transforms that are a learned function of…

图像与视频处理 · 电气工程与系统科学 2020-11-26 Anthony Kelly

Though achieving excellent performance in some cases, current unsupervised learning methods for single image denoising usually have constraints in applications. In this paper, we propose a new approach which is more general and applicable…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yutong Xie , Mingze Yuan , Bin Dong , Quanzheng Li

Diffusion models have found valuable applications in anomaly detection by capturing the nominal data distribution and identifying anomalies via reconstruction. Despite their merits, they struggle to localize anomalies of varying scales,…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Justin Tebbe , Jawad Tayyub

Instance segmentation for low-light imagery remains largely unexplored due to the challenges imposed by such conditions, for example shot noise due to low photon count, color distortions and reduced contrast. In this paper, we propose an…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Joanne Lin , Nantheera Anantrasirichai , David Bull

We introduce the concrete autoencoder, an end-to-end differentiable method for global feature selection, which efficiently identifies a subset of the most informative features and simultaneously learns a neural network to reconstruct the…

机器学习 · 计算机科学 2019-02-01 Abubakar Abid , Muhammad Fatih Balin , James Zou

Semantic segmentation is still a challenging task for parsing diverse contexts in different scenes, thus the fixed classifier might not be able to well address varying feature distributions during testing. Different from the mainstream…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Zhuotao Tian , Jiequan Cui , Li Jiang , Xiaojuan Qi , Xin Lai , Yixin Chen , Shu Liu , Jiaya Jia

Medical image denoising is considered among the most challenging vision tasks. Despite the real-world implications, existing denoising methods have notable drawbacks as they often generate visual artifacts when applied to heterogeneous…

图像与视频处理 · 电气工程与系统科学 2025-03-11 S M A Sharif , Rizwan Ali Naqvi , Woong-Kee Loh

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

Diffusion and flow-based generative models have shown strong potential for image restoration. However, image denoising under unknown and varying noise conditions remains challenging, because the learned vector fields may become inconsistent…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Jigang Duan , Genwei Ma , Xu Jiang , Wenfeng Xu , Ping Yang , Xing Zhao

There have been a fairly of research interests in exploring the disentanglement of appearance and shape from human images. Most existing endeavours pursuit this goal by either using training images with annotations or regulating the…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Hongtao Yang , Tong Zhang , Wenbing Huang , Xuming He , Fatih Porikli

This work proposes a method for source device identification from speech recordings that applies neural-network-based denoising, to mitigate the impact of counter-forensics attacks using noise injection. The method is evaluated by comparing…

音频与语音处理 · 电气工程与系统科学 2023-01-27 Antonio Giganti , Luca Cuccovillo , Paolo Bestagini , Patrick Aichroth , Stefano Tubaro

Image denoising is of great importance for medical imaging system, since it can improve image quality for disease diagnosis and downstream image analyses. In a variety of applications, dynamic imaging techniques are utilized to capture the…

图像与视频处理 · 电气工程与系统科学 2021-06-24 Junshen Xu , Elfar Adalsteinsson

This work investigates three methods for calculating loss for autoencoder-based pretraining of image encoders: The commonly used reconstruction loss, the more recently introduced deep perceptual similarity loss, and a feature prediction…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Gustav Grund Pihlgren , Fredrik Sandin , Marcus Liwicki

Learning-based methods commonly treat state estimation in robotics as a sequence modeling problem. While this paradigm can be effective at maximizing end-to-end performance, models are often difficult to interpret and expensive to train,…

机器人学 · 计算机科学 2026-05-07 Lennart Röstel , Berthold Bäuml

In image denoising problems, the increasing density of available images makes an exhaustive visual inspection impossible and therefore automated methods based on machine-learning must be deployed for this purpose. This is particulary the…

机器学习 · 统计学 2022-01-21 Mathieu Chambefort , Raphaël Butez , Emilie Chautru , Stephan Clémençon

B-mode ultrasound tongue imaging is widely used in the speech production field. However, efficient interpretation is in a great need for the tongue image sequences. Inspired by the recent success of unsupervised deep learning approach, we…

图像与视频处理 · 电气工程与系统科学 2019-03-05 Bo Li , Kele Xu , Dawei Feng , Haibo Mi , Huaimin Wang , Jian Zhu