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相关论文: Optimal Clustering Framework for Hyperspectral Ban…

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Redundancy and noise exist in the bands of hyperspectral images (HSIs). Thus, it is a good property to be able to select suitable parts from hundreds of input bands for HSIs classification methods. In this letter, a band attention module…

计算机视觉与模式识别 · 计算机科学 2019-06-12 Hongwei Dong , Lamei Zhang , Bin Zou

Clustering algorithms are fundamental tools across many fields, with density-based methods offering particular advantages in identifying arbitrarily shaped clusters and handling noise. However, their effectiveness is often limited by the…

机器学习 · 计算机科学 2025-12-01 Meysam Shirdel Bilehsavar , Razieh Ghaedi , Samira Seyed Taheri , Xinqi Fan , Christian O'Reilly

In the small target detection problem a pattern to be located is on the order of magnitude less numerous than other patterns present in the dataset. This applies both to the case of supervised detection, where the known template is expected…

计算机视觉与模式识别 · 计算机科学 2018-08-13 Przemysław Głomb , Krzysztof Domino , Michał Romaszewski , Michał Cholewa

Hyperspectral image is a substitution of more than a hundred images, called bands, of the same region. They are taken at juxtaposed frequencies. The reference image of the region is called Ground Truth map (GT). the problematic is how to…

计算机视觉与模式识别 · 计算机科学 2012-10-03 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

The high dimensionality of hyperspectral images often results in the degradation of clustering performance. Due to the powerful ability of deep feature extraction and non-linear feature representation, the clustering algorithm based on deep…

机器学习 · 计算机科学 2019-04-02 Jinguang Sun , Wanli Wang , Xian Wei , Li Fang , Xiaoliang Tang , Yusheng Xu , Hui Yu , Wei Yao

Feature selection methods are widely used to address the high computational overheads and curse of dimensionality in classifying high-dimensional data. Most conventional feature selection methods focus on handling homogeneous features,…

机器学习 · 计算机科学 2021-11-17 Xuyang Yan , Mrinmoy Sarkar , Biniam Gebru , Shabnam Nazmi , Abdollah Homaifar

Hyperspectral Imaging (HSI) captures rich spectral information across contiguous wavelength bands, supporting applications in precision agriculture, environmental monitoring, and autonomous driving. However, its high dimensionality poses…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Yaniv Zimmer , Ofir Lindenbaum , Oren Glickman

Hyperspectral image (HSI) classification is an important task in many applications, such as environmental monitoring, medical imaging, and land use/land cover (LULC) classification. Due to the significant amount of spectral information from…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Sertac Kilickaya , Mete Ahishali , Fahad Sohrab , Turker Ince , Moncef Gabbouj

When it comes to clustering nonconvex shapes, two paradigms are used to find the most suitable clustering: minimum cut and maximum density. The most popular algorithms incorporating these paradigms are Spectral Clustering and DBSCAN. Both…

机器学习 · 计算机科学 2019-07-02 Sibylle Hess , Wouter Duivesteijn , Philipp Honysz , Katharina Morik

Hyperspectral images (HSI) classification is a high technical remote sensing software. The purpose is to reproduce a thematic map . The HSI contains more than a hundred hyperspectral measures, as bands (or simply images), of the concerned…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

The profusion of spectral bands generated by the acquisition process of hyperspectral images generally leads to high computational costs. Such difficulties arise in particular with nonlinear unmixing methods, which are naturally more…

计算机视觉与模式识别 · 计算机科学 2017-10-24 T. Imbiriba , J. C. M. Bermudez , C. Richard , J. -Y. Tourneret

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

Subspace clustering has become widely adopted for the unsupervised analysis of hyperspectral images (HSIs). Recent model-aware deep subspace clustering methods often use a two-stage framework, involving the calculation of a…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Xianlu Li , Nicolas Nadisic , Shaoguang Huang , Nikos Deligiannis , Aleksandra Pižurica

Spectral clustering is a celebrated algorithm that partitions objects based on pairwise similarity information. While this approach has been successfully applied to a variety of domains, it comes with limitations. The reason is that there…

统计理论 · 数学 2018-05-24 Kwangjun Ahn , Kangwook Lee , Changho Suh

This letter presents a new spectral-clustering-based approach to the subspace clustering problem. Underpinning the proposed method is a convex program for optimal direction search, which for each data point d finds an optimal direction in…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Mostafa Rahmani , George Atia

Band selection is a great challenging task in the classification of hyperspectral remotely sensed images HSI. This is resulting from its high spectral resolution, the many class outputs and the limited number of training samples. For this…

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

We propose Ordered Subspace Clustering (OSC) to segment data drawn from a sequentially ordered union of subspaces. Similar to Sparse Subspace Clustering (SSC) we formulate the problem as one of finding a sparse representation but include an…

计算机视觉与模式识别 · 计算机科学 2015-04-17 Stephen Tierney , Yi Guo , Junbin Gao

Capturing images using multispectral camera arrays has gained importance in medical, agricultural and environmental processes. However, using all available spectral bands is infeasible and produces much data, while only a fraction is needed…

图像与视频处理 · 电气工程与系统科学 2024-10-31 Katja Kossira , David Schön , Jürgen Seiler , André Kaup

Hyperspectral image classification demands spatially coherent predictions and precise boundary delineation. Yet prevailing superpixel-based methods face an inherent contradiction: clustering aggregates similar pixels into regions, but the…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Peifu Liu , Tingfa Xu , Jie Wang , Huan Chen , Huiyan Bai , Jianan Li

Semi-supervised clustering seeks to augment traditional clustering methods by incorporating side information provided via human expertise in order to increase the semantic meaningfulness of the resulting clusters. However, most current…

机器学习 · 计算机科学 2014-02-17 Caiming Xiong , David Johnson , Jason J. Corso