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Learning the manifold structure of remote sensing images is of paramount relevance for modeling and understanding processes, as well as to encapsulate the high dimensionality in a reduced set of informative features for subsequent…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Gulsen Taskin , Gustau Camps-Valls

Deep neural networks (DNNs) have found applications in diverse signal processing (SP) problems. Most efforts either directly adopt the DNN as a black-box approach to perform certain SP tasks without taking into account of any known…

信号处理 · 电气工程与系统科学 2022-04-27 Zhe Zhang , Xiang Chen , Zhi Tian

High-resolution representations are essential for position-sensitive vision problems, such as human pose estimation, semantic segmentation, and object detection. Existing state-of-the-art frameworks first encode the input image as a…

计算机视觉与模式识别 · 计算机科学 2020-03-16 Jingdong Wang , Ke Sun , Tianheng Cheng , Borui Jiang , Chaorui Deng , Yang Zhao , Dong Liu , Yadong Mu , Mingkui Tan , Xinggang Wang , Wenyu Liu , Bin Xiao

The overfitting is one of the cursing subjects in the deep learning field. To solve this challenge, many approaches were proposed to regularize the learning models. They add some hyper-parameters to the model to extend the generalization;…

机器学习 · 计算机科学 2020-05-06 Mohammad Mahdi Bejani , Mehdi Ghatee

This paper investigates the problem of recovering hyperspectral (HS) images from single RGB images. To tackle such a severely ill-posed problem, we propose a physically-interpretable, compact, efficient, and end-to-end learning-based…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Zhiyu Zhu , Hui Liu , Junhui Hou , Sen Jia , Qingfu Zhang

Deep neural networks (DNNs) are so over-parametrized that recent research has found them to already contain a subnetwork with high accuracy at their randomly initialized state. Finding these subnetworks is a viable alternative training…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Ángel López García-Arias , Masanori Hashimoto , Masato Motomura , Jaehoon Yu

This paper proposes a non-data-driven deep neural network for spectral image recovery problems such as denoising, single hyperspectral image super-resolution, and compressive spectral imaging reconstruction. Unlike previous methods, the…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Tatiana Gelvez-Barrera , Jorge Bacca , Henry Arguello

Spectral variations pose a common challenge in analyzing hyperspectral images (HSI). To address this, low-rank tensor representation has emerged as a robust strategy, leveraging inherent correlations within HSI data. However, the spatial…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Bo Han , Yuheng Jia , Hui Liu , Junhui Hou

Responding to the challenge of detecting unusual radar targets in a well identified environment, innovative anomaly and novelty detection methods keep emerging in the literature. This work aims at presenting a benchmark gathering common and…

信号处理 · 电气工程与系统科学 2021-06-22 Martin Bauw , Santiago Velasco-Forero , Jesus Angulo , Claude Adnet , Olivier Airiau

Hyperspectral anomaly detection (HAD) aims to localize pixel points whose spectral features differ from the background. HAD is essential in scenarios of unknown or camouflaged target features, such as water quality monitoring, crop growth…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Jitao Ma , Weiying Xie , Yunsong Li

Hyperspectral anomaly detection (HAD) is widely used in Earth observation and deep space exploration. A major challenge for HAD is the complex background of the input hyperspectral images (HSIs), resulting in anomalies confused in the…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Jitao Ma , Weiying Xie , Yunsong Li , Leyuan Fang

We study the problem of semi-supervised anomaly detection with domain adaptation. Given a set of normal data from a source domain and a limited amount of normal examples from a target domain, the goal is to have a well-performing anomaly…

机器学习 · 计算机科学 2020-06-09 Ziyi Yang , Iman Soltani Bozchalooi , Eric Darve

Overfitting is one of the critical problems in deep neural networks. Many regularization schemes try to prevent overfitting blindly. However, they decrease the convergence speed of training algorithms. Adaptive regularization schemes can…

机器学习 · 计算机科学 2021-06-18 Mohammad Mahdi Bejani , Mehdi Ghatee

We propose a neural network for unsupervised anomaly detection with a novel robust subspace recovery layer (RSR layer). This layer seeks to extract the underlying subspace from a latent representation of the given data and removes outliers…

机器学习 · 计算机科学 2022-01-19 Chieh-Hsin Lai , Dongmian Zou , Gilad Lerman

Deep neural networks have proved very successful on archetypal tasks for which large training sets are available, but when the training data are scarce, their performance suffers from overfitting. Many existing methods of reducing…

计算机视觉与模式识别 · 计算机科学 2017-11-17 Wei Zhu , Qiang Qiu , Jiaji Huang , Robert Calderbank , Guillermo Sapiro , Ingrid Daubechies

Hyperspectral images are of crucial importance in order to better understand features of different materials. To reach this goal, they leverage on a high number of spectral bands. However, this interesting characteristic is often paid by a…

图像与视频处理 · 电气工程与系统科学 2020-06-01 Jin-Fan Hu , Ting-Zhu Huang , Liang-Jian Deng , Tai-Xiang Jiang , Gemine Vivone , Jocelyn Chanussot

Deep learning based methods hold state-of-the-art results in low-level image processing tasks, but remain difficult to interpret due to their black-box construction. Unrolled optimization networks present an interpretable alternative to…

图像与视频处理 · 电气工程与系统科学 2025-11-18 Nikola Janjušević , Amirhossein Khalilian-Gourtani , Yao Wang

Low-rank regularization (LRR) has been widely applied in various machine learning tasks, but the associated optimization is challenging. Directly optimizing the rank function under constraints is NP-hard in general. To overcome this…

机器学习 · 计算机科学 2025-05-22 Naiqi Li , Yuqiu Xie , Peiyuan Liu , Tao Dai , Yong Jiang , Shu-Tao Xia

Deep learning (DL) applied to a device's radio-frequency fingerprint~(RFF) has attracted significant attention in physical-layer authentication due to its extraordinary classification performance. Conventional DL-RFF techniques are trained…

信号处理 · 电气工程与系统科学 2022-10-18 Renjie Xie , Wei Xu , Jiabao Yu , Aiqun Hu , Derrick Wing Kwan Ng , A. Lee Swindlehurst

High-resolution representations (HR) are essential for dense prediction tasks such as segmentation, detection, and pose estimation. Learning HR representations is typically ignored in previous Neural Architecture Search (NAS) methods that…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Mingyu Ding , Xiaochen Lian , Linjie Yang , Peng Wang , Xiaojie Jin , Zhiwu Lu , Ping Luo