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Hyperspectral image (HSI) open-set classification is critical for HSI classification models deployed in real-world environments, where classifiers must simultaneously classify known classes and reject unknown classes. Recent methods utilize…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Hengwei Zhao , Xinyu Wang , Zhuo Zheng , Jingtao Li , Yanfei Zhong

Hyperspectral Imaging (HSI) plays an increasingly critical role in precise vision tasks within remote sensing, capturing a wide spectrum of visual data. Transformer architectures have significantly enhanced HSI task performance, while…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Fangqin Zhou , Mert Kilickaya , Joaquin Vanschoren , Ran Piao

Hyperspectral image (HSI) with narrow spectral bands can capture rich spectral information, but it sacrifices its spatial resolution in the process. Many machine-learning-based HSI super-resolution (SR) algorithms have been proposed…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Zhongyang Zhang , Zhiyang Xu , Zia Ahmed , Asif Salekin , Tauhidur Rahman

Shape matching is a fundamental task in computer graphics and vision, with deep functional maps becoming a prominent paradigm. However, existing methods primarily focus on learning informative feature representations by constraining…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Feifan Luo , Hongyang Chen

Material segmentation is a complex task, particularly when dealing with aerial data in poor lighting and atmospheric conditions. To address this, hyperspectral data from specialized cameras can be very useful in addition to RGB images.…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Chandrajit Bajaj , Minh Nguyen , Shubham Bhardwaj

Hyperspectral Image(HSI) classification is the most vibrant field of research in the hyperspectral community, which aims to assign each pixel in the image to one certain category based on its spectral-spatial characteristics. Recently, some…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Hao Chen , Xiaohua Li , Jiliu Zhou

On-board processing of hyperspectral data with machine learning models would enable unprecedented amount of autonomy for a wide range of tasks, for example methane detection or mineral identification. This can enable early warning system…

人工智能 · 计算机科学 2025-04-15 Vít Růžička , Andrew Markham

Although hyperspectral image (HSI) classification is critical for supporting various environmental applications, it is a challenging task due to the spectral-mixture effect, the spatial-spectral heterogeneity and the difficulty to preserve…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Yimin Zhu , Lincoln Linlin Xu

Spectral clustering is a powerful technique for clustering high-dimensional data, utilizing graph-based representations to detect complex, non-linear structures and non-convex clusters. The construction of a similarity graph is essential…

机器学习 · 计算机科学 2025-01-27 Kamal Berahmand , Farid Saberi-Movahed , Razieh Sheikhpour , Yuefeng Li , Mahdi Jalili

We introduce semi-parametric inducing point networks (SPIN), a general-purpose architecture that can query the training set at inference time in a compute-efficient manner. Semi-parametric architectures are typically more compact than…

机器学习 · 计算机科学 2023-03-31 Richa Rastogi , Yair Schiff , Alon Hacohen , Zhaozhi Li , Ian Lee , Yuntian Deng , Mert R. Sabuncu , Volodymyr Kuleshov

Nowadays, the hyperspectral remote sensing imagery HSI becomes an important tool to observe the Earth's surface, detect the climatic changes and many other applications. The classification of HSI is one of the most challenging tasks due to…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Hasna Nhaila , Asma Elmaizi , Elkebir Sarhrouni , Ahmed Hammouch

This work studies Hyperspectral image (HSI) super-resolution (SR). HSI SR is characterized by high-dimensional data and a limited amount of training examples. This exacerbates the undesirable behaviors of neural networks such as…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Ke Li , Dengxin Dai , Ender Konukoglu , Luc Van Gool

State-of-the-art convolutional neural networks (CNNs) used in vision applications have large models with numerous weights. Training these models is very compute- and memory-resource intensive. Much research has been done on pruning or…

机器学习 · 计算机科学 2019-12-10 Sangkug Lym , Esha Choukse , Siavash Zangeneh , Wei Wen , Sujay Sanghavi , Mattan Erez

Unsupervised representation learning for wireless channel state information (CSI)reduces reliance on labeled data, thereby lowering annotation costs, and often improves performance on downstream tasks. However, state-of-the-art approaches…

信号处理 · 电气工程与系统科学 2026-01-29 Jonathan Ott , Maximilian Stahlke , Tobias Feigl , Bjoern M. Eskofier , Christopher Mutschler

Recently, self-supervised learning has attracted attention due to its remarkable ability to acquire meaningful representations for classification tasks without using semantic labels. This paper introduces a self-supervised learning…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Hyungtae Lee , Heesung Kwon

Subspace clustering is a powerful unsupervised approach for hyperspectral image (HSI) analysis, but its high computational and memory costs limit scalability. Superpixel segmentation can improve efficiency by reducing the number of data…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xianlu Li , Nicolas Nadisic , Shaoguang Huang , Aleksandra Pizurica

Hyperspectral images often have hundreds of spectral bands of different wavelengths captured by aircraft or satellites that record land coverage. Identifying detailed classes of pixels becomes feasible due to the enhancement in spectral and…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Raymond H. Chan , Ruoning Li

Earth observation (EO) foundation models (FMs) are increasingly trained on multisensor data, spanning multispectral imagery (MSI), synthetic aperture radar (SAR), and derived geospatial layers, but hyperspectral imagery (HSI) remains…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Nassim Ait Ali Braham , Aaron Banze , Conrad M. Albrecht , Julien Mairal , Jocelyn Chanussot , Xiao Xiang Zhu

It is observed that high classification performance is achieved for one- and two-dimensional signals by using deep learning methods. In this context, most researchers have tried to classify hyperspectral images by using deep learning…

图像与视频处理 · 电气工程与系统科学 2022-01-11 Zumray Dokur , Tamer Olmez

Large-scale deep neural networks (DNN) exhibit excellent performance for various tasks. As DNNs and datasets grow, distributed training becomes extremely time-consuming and demands larger clusters. A main bottleneck is the resulting…

分布式、并行与集群计算 · 计算机科学 2025-05-27 Yisu Wang , Ruilong Wu , Xinjiao Li , Dirk Kutscher