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We present a simple yet effective self-training approach, named as STAD, for low-resource relation extraction. The approach first classifies the auto-annotated instances into two groups: confident instances and uncertain instances,…

计算与语言 · 计算机科学 2022-09-08 Junjie Yu , Xing Wang , Jiangjiang Zhao , Chunjie Yang , Wenliang Chen

Hierarchical Federated Learning (HFL) faces the significant challenge of adversarial or unreliable vehicles in vehicular networks, which can compromise the model's integrity through misleading updates. Addressing this, our study introduces…

机器学习 · 计算机科学 2024-05-29 M. Saeid HaghighiFard , Sinem Coleri

Noise reduction techniques based on deep learning have demonstrated impressive performance in enhancing the overall quality of recorded speech. While these approaches are highly performant, their application in audio engineering can be…

声音 · 计算机科学 2023-10-18 Christian J. Steinmetz , Thomas Walther , Joshua D. Reiss

Removing the noise and improving the visual quality of hyperspectral images (HSIs) is challenging in academia and industry. Great efforts have been made to leverage local, global or spectral context information for HSI denoising. However,…

图像与视频处理 · 电气工程与系统科学 2023-04-20 Haodong Pan , Feng Gao , Junyu Dong , Qian Du

In Heterogeneous Face Recognition (HFR), the objective is to match faces across two different domains such as visible and thermal. Large domain discrepancy makes HFR a difficult problem. Recent methods attempting to fill the gap via…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Yiqun Mei , Pengfei Guo , Vishal M. Patel

Heterogeneous Face Recognition (HFR) aims to match faces across different domains (e.g., visible to near-infrared images), which has been widely applied in authentication and forensics scenarios. However, HFR is a challenging problem…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Ziming Yang , Jian Liang , Chaoyou Fu , Mandi Luo , Xiao-Yu Zhang

Hyperspectral images (HSIs) usually suffer from different types of pollution. This severely reduces the quality of HSIs and limits the accuracy of subsequent processing tasks. HSI denoising can be modeled as a low-rank tensor denoising…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Sheng Liu , Xiaozhen Xie , Wenfeng Kong

Deep Belief Networks which are hierarchical generative models are effective tools for feature representation and extraction. Furthermore, DBNs can be used in numerous aspects of Machine Learning such as image denoising. In this paper, we…

机器学习 · 计算机科学 2014-01-03 Mohammad Ali Keyvanrad , Mohammad Pezeshki , Mohammad Ali Homayounpour

In this paper, we introduce a novel deep neural network suitable for multi-scale analysis and propose efficient model-agnostic methods that help the network extract information from high-frequency domains to reconstruct clearer images. Our…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Hyungmin Roh , Myungjoo Kang

Super-resolution and denoising are ill-posed yet fundamental image restoration tasks. In blind settings, the degradation kernel or the noise level are unknown. This makes restoration even more challenging, notably for learning-based…

图像与视频处理 · 电气工程与系统科学 2020-07-24 Majed El Helou , Ruofan Zhou , Sabine Süsstrunk

Heterogeneous federated learning (HFL) aims to ensure effective and privacy-preserving collaboration among different entities. As newly joined clients require significant adjustments and additional training to align with the existing…

机器学习 · 计算机科学 2026-01-29 Kaile Wang , Jiannong Cao , Yu Yang , Xiaoyin Li , Mingjin Zhang

Image denoising and artefact removal are complex inverse problems admitting multiple valid solutions. Unsupervised diversity restoration, that is, obtaining a diverse set of possible restorations given a corrupted image, is important for…

图像与视频处理 · 电气工程与系统科学 2022-02-25 Mangal Prakash , Mauricio Delbracio , Peyman Milanfar , Florian Jug

In this paper, we aim at tackling a general issue in NLP tasks where some of the negative examples are highly similar to the positive examples, i.e., hard-negative examples. We propose the distant supervision as a regularizer (DSReg)…

计算与语言 · 计算机科学 2019-09-27 Yuxian Meng , Muyu Li , Xiaoya Li , Wei Wu , Jiwei Li

Neural networks are vulnerable to adversarial examples, which poses a threat to their application in security sensitive systems. We propose high-level representation guided denoiser (HGD) as a defense for image classification. Standard…

计算机视觉与模式识别 · 计算机科学 2018-05-09 Fangzhou Liao , Ming Liang , Yinpeng Dong , Tianyu Pang , Xiaolin Hu , Jun Zhu

Electromagnetic field reconstruction is crucial in many applications, including antenna diagnostics, electromagnetic interference analysis, and system modeling. This paper presents a deep learning-based approach for Far-Field to Near-Field…

机器学习 · 计算机科学 2025-04-25 Sahar Bagherkhani , Jackson Christopher Earls , Franco De Flaviis , Pierre Baldi

We present H-Node Adversarial Noise Cancellation (H-Node ANC), a mechanistic framework that identifies, exploits, and defends hallucination representations in transformer-based large language models (LLMs) at the level of individual…

机器学习 · 计算机科学 2026-03-30 Eric Yocam , Varghese Vaidyan , Yong Wang

Recently, significant progress has been made on image denoising with strong supervision from large-scale datasets. However, obtaining well-aligned noisy-clean training image pairs for each specific scenario is complicated and costly in…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Reyhaneh Neshatavar , Mohsen Yavartanoo , Sanghyun Son , Kyoung Mu Lee

In the analysis of High-Energy Physics data, it is frequently desired to separate resonant signals from a smooth, non-resonant background. This paper introduces a new technique - functional decomposition (FD) - to accomplish this task. It…

数据分析、统计与概率 · 物理学 2018-05-15 Ryan Edgar , Dante Amidei , Christopher Grud , Karishma Sekhon

We devise a new regularization, called self-verification, for image denoising. This regularization is formulated using a deep image prior learned by the network, rather than a traditional predefined prior. Specifically, we treat the output…

图像与视频处理 · 电气工程与系统科学 2021-11-02 Huangxing Lin , Yihong Zhuang , Delu Zeng , Yue Huang , Xinghao Ding , John Paisley

Variational inference with normalizing flows (NFs) is an increasingly popular alternative to MCMC methods. In particular, NFs based on coupling layers (Real NVPs) are frequently used due to their good empirical performance. In theory,…

机器学习 · 统计学 2024-02-27 Daniel Andrade