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This paper presents a new supervised classification algorithm for remotely sensed hyperspectral image (HSI) which integrates spectral and spatial information in a unified Bayesian framework. First, we formulate the HSI classification…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Xiangyong Cao , Feng Zhou , Lin Xu , Deyu Meng , Zongben Xu , John Paisley

The high-dimensional features extracted from large-scale unlabeled data via various pretrained models with diverse architectures are referred to as heterogeneous multiview data. Most existing unsupervised transfer learning methods fail to…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Jie Chen , Yuanbiao Gou , Chuanbin Liu , Zhu Wang , Xi Peng

Integrating hyperspectral imagery (HSI) with deep neural networks (DNNs) can strengthen the accuracy of intelligent vision systems by combining spectral and spatial information, which is useful for tasks like semantic segmentation in…

图像与视频处理 · 电气工程与系统科学 2025-02-21 Jon Gutiérrez-Zaballa , Koldo Basterretxea , Javier Echanobe

Graph learning (GL) can dynamically capture the distribution structure (graph structure) of data based on graph convolutional networks (GCN), and the learning quality of the graph structure directly influences GCN for semi-supervised…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Guangfeng Lin , Xiaobing Kang , Kaiyang Liao , Fan Zhao , Yajun Chen

Hyperspectral image (HSI) classification has become a hot topic in the field of remote sensing. In general, the complex characteristics of hyperspectral data make the accurate classification of such data challenging for traditional machine…

图像与视频处理 · 电气工程与系统科学 2019-10-30 Shutao Li , Weiwei Song , Leyuan Fang , Yushi Chen , Pedram Ghamisi , Jón Atli Benediktsson

Hyperspectral image (HSI) classification is a cornerstone of remote sensing, enabling precise material and land-cover identification through rich spectral information. While deep learning has driven significant progress in this task, small…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Weilian Zhou , Weixuan Xie , Sei-ichiro Kamata , Man Sing Wong , Huiying , Hou , Haipeng Wang

Hyperspectral image (HSI) fusion aims to reconstruct a high-resolution HSI (HR-HSI) by combining the rich spectral information of a low-resolution HSI (LR-HSI) with the fine spatial details of a high-resolution multispectral image (HR-MSI).…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Chia-Ming Lee , Yu-Hao Ho , Yu-Fan Lin , Jen-Wei Lee , Li-Wei Kang , Chih-Chung Hsu

Hyperspectral image (HSI) classification typically involves large-scale data and computationally intensive training, which limits the practical deployment of deep learning models in real-world remote sensing tasks. This study introduces…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Meihua Zhou , Liping Yu , Xinyu Tong , Wai Kin Fung , Ruiguo Hu , Jiarui Zhao , Wenzhuo Liu , Nan Wan

Graph contrastive learning (GCL) has garnered significant attention recently since it learns complex structural information from graphs through self-supervised learning manner. However, prevalent GCL models may suffer from performance…

机器学习 · 计算机科学 2025-04-28 Xiaofan Wei , Binyan Zhang

Hyperspectral image (HSI) clustering is a challenging task due to its high complexity. Despite subspace clustering shows impressive performance for HSI, traditional methods tend to ignore the global-local interaction in HSI data. In this…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Jingxin Wang , Renxiang Guan , Kainan Gao , Zihao Li , Hao Li , Xianju Li , Chang Tang

Distributed Deep Learning (DDL) is essential for large-scale Deep Learning (DL) training. Synchronous Stochastic Gradient Descent (SSGD) 1 is the de facto DDL optimization method. Using a sufficiently large batch size is critical to…

机器学习 · 计算机科学 2021-12-03 Wei Zhang , Mingrui Liu , Yu Feng , Xiaodong Cui , Brian Kingsbury , Yuhai Tu

Hyperspectral imaging (HSI) enables detailed land cover classification, yet low spatial resolution and sparse annotations pose significant challenges. We present a label-efficient framework that leverages spatial features from a frozen…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Yuzhen Hu , Biplab Banerjee , Saurabh Prasad

Existing Unbiased Scene Graph Generation (USGG) methods only focus on addressing the predicate-level imbalance that high-frequency classes dominate predictions of rare ones, while overlooking the concept-level imbalance. Actually, even if…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Xinyu Lyu , Lianli Gao , Junlin Xie , Pengpeng Zeng , Yulu Tian , Jie Shao , Heng Tao Shen

Deep learning based landcover classification algorithms have recently been proposed in literature. In hyperspectral images (HSI) they face the challenges of large dimensionality, spatial variability of spectral signatures and scarcity of…

计算机视觉与模式识别 · 计算机科学 2017-06-28 Anirban Santara , Kaustubh Mani , Pranoot Hatwar , Ankit Singh , Ankur Garg , Kirti Padia , Pabitra Mitra

We present a new and effective approach for Hyperspectral Image (HSI) classification and clutter detection, overcoming a few long-standing challenges presented by HSI data characteristics. Residing in a high-dimensional spectral attribute…

计算机视觉与模式识别 · 计算机科学 2015-06-04 Alexandros-Stavros Iliopoulos , Tiancheng Liu , Xiaobai Sun

Galaxy morphology classification plays a crucial role in understanding the structure and evolution of the universe. With galaxy observation data growing exponentially, machine learning has become a core technology for this classification…

星系天体物理 · 物理学 2025-05-29 Zhijian Luo , Jianzhen Chen , Zhu Chen , Shaohua Zhang , Liping Fu , Hubing Xiao , Chenggang Shu

Convolutional neural network (CNN) performs well in Hyperspectral Image (HSI) classification tasks, but its high energy consumption and complex network structure make it difficult to directly apply it to edge computing devices. At present,…

图像与视频处理 · 电气工程与系统科学 2024-09-19 Yang Liu , Yahui Li , Rui Li , Liming Zhou , Lanxue Dang , Huiyu Mu , Qiang Ge

This paper proposes a novel deep learning framework named bidirectional-convolutional long short term memory (Bi-CLSTM) network to automatically learn the spectral-spatial feature from hyperspectral images (HSIs). In the network, the issue…

计算机视觉与模式识别 · 计算机科学 2017-03-24 Qingshan Liu , Feng Zhou , Renlong Hang , Xiaotong Yuan

In probabilistic classification, a discriminative model based on the softmax function has a potential limitation in that it assumes unimodality for each class in the feature space. The mixture model can address this issue, although it leads…

机器学习 · 计算机科学 2021-05-10 Hideaki Hayashi , Seiichi Uchida

Deep learning methods have been successfully applied to hyperspectral image (HSI) classification with remarkable performance. Because of limited labelled HSI data, earlier studies primarily adopted a patch-based classification framework,…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Xuming Zhang , Jian Yan , Jia Tian , Wei Li , Xingfa Gu , Qingjiu Tian