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Accurate land cover segmentation of spectral images is challenging and has drawn widespread attention in remote sensing due to its inherent complexity. Although significant efforts have been made for developing a variety of methods, most of…

图像与视频处理 · 电气工程与系统科学 2021-11-30 Carlos Hinojosa , Esteban Vera , Henry Arguello

This work presents a novel spiking neural network (SNN) decoding method, combining SNNs with Hyperdimensional computing (HDC). The goal is to create a decoding method with high accuracy, high noise robustness, low latency and low energy…

人工智能 · 计算机科学 2026-04-24 Cedrick Kinavuidi , Luca Peres , Oliver Rhodes

Spectral Clustering (SC) is one of the most widely used methods for data clustering. It first finds a low-dimensonal embedding $U$ of data by computing the eigenvectors of the normalized Laplacian matrix, and then performs k-means on…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Canyi Lu , Shuicheng Yan , Zhouchen Lin

This paper tackles the challenging problem of hyperspectral (HS) image denoising. Unlike existing deep learning-based methods usually adopting complicated network architectures or empirically stacking off-the-shelf modules to pursue…

图像与视频处理 · 电气工程与系统科学 2022-07-12 Jinhui Hou , Zhiyu Zhu , Hui Liu , Junhui Hou

In this article, we present SWAN: a three-stage, self-supervised wavelet neural network for joint estimation of endmembers and abundances from hyperspectral imagery. The contiguous and overlapping hyperspectral band images are first…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Yassh Ramchandani , Vijayashekhar S S , Jignesh S. Bhatt

This paper introduces SS-MixNet, a lightweight and effective deep learning model for hyperspectral image (HSI) classification. The architecture integrates 3D convolutional layers for local spectral-spatial feature extraction with two…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Mohammed Q. Alkhatib

In the proposed SEHybridSN model, a dense block was used to reuse shallow feature and aimed at better exploiting hierarchical spatial spectral feature. Subsequent depth separable convolutional layers were used to discriminate the spatial…

计算机视觉与模式识别 · 计算机科学 2021-11-22 Jiaxin Cao , Xiaoyan Li

Transformers have shown significant success in hyperspectral unmixing (HU). However, challenges remain. While multi-scale and long-range spatial correlations are essential in unmixing tasks, current Transformer-based unmixing networks,…

计算机视觉与模式识别 · 计算机科学 2025-03-07 ChenTong Wang , Jincheng Gao , Fei Zhu , Abderrahim Halimi , Cédric Richard

With the increasing reliance of self-driving and similar robotic systems on robust 3D vision, the processing of LiDAR scans with deep convolutional neural networks has become a trend in academia and industry alike. Prior attempts on the…

计算机视觉与模式识别 · 计算机科学 2023-11-20 Ran Cheng , Christopher Agia , Yuan Ren , Xinhai Li , Liu Bingbing

With the thriving of deep learning, 3D Convolutional Neural Networks have become a popular choice in volumetric image analysis due to their impressive 3D contexts mining ability. However, the 3D convolutional kernels will introduce a…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Lei Qu , Changfeng Wu , Liang Zou

Given a mixed hyperspectral data set, linear unmixing aims at estimating the reference spectral signatures composing the data - referred to as endmembers - their abundance fractions and their number. In practice, the identified endmembers…

统计方法学 · 统计学 2016-01-20 Pierre-Antoine Thouvenin , Nicolas Dobigeon , Jean-Yves Tourneret

Hyperspectral image unmixing is an inverse problem aiming at recovering the spectral signatures of pure materials of interest (called endmembers) and estimating their proportions (called abundances) in every pixel of the image. However, in…

图像与视频处理 · 电气工程与系统科学 2019-11-28 Lucas Drumetz , Mauro Dalla Mura , Guillaume Tochon , Ronan Fablet

Spectral unmixing is an important task in hyperspectral image processing for separating the mixed spectral data pertaining to various materials observed individual pixels. Recently, nonlinear spectral unmixing has received particular…

图像与视频处理 · 电气工程与系统科学 2021-10-07 Min Zhao , Mou Wang , Jie Chen , Susanto Rahardja

Compressive sensing (CS), aiming to reconstruct an image/signal from a small set of random measurements has attracted considerable attentions in recent years. Due to the high dimensionality of images, previous CS methods mainly work on…

计算机视觉与模式识别 · 计算机科学 2018-02-01 Xiaotong Lu , Weisheng Dong , Peiyao Wang , Guangming Shi , Xuemei Xie

Recently, convolutional neural network (CNN) techniques have gained popularity as a tool for hyperspectral image classification (HSIC). To improve the feature extraction efficiency of HSIC under the condition of limited samples, the current…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Hongmin Gao , Zhonghao Chen , Chenming Li

In this work, we explore the intersection of sparse coding theory and deep learning to enhance our understanding of feature extraction capabilities in advanced neural network architectures. We begin by introducing a novel class of Deep…

机器学习 · 计算机科学 2025-12-05 Jianfei Li , Han Feng , Ding-Xuan Zhou

To better retain the deep features of an image and solve the sparsity problem of the end-to-end segmentation model, we propose a new deep convolutional network model for medical image pixel segmentation, called MC-Net. The core of this…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Hongfeng You , Shengwei Tian , Long Yu , Xiang Ma , Yan Xing , Ning Xin

Deep neural networks have faced many problems in hyperspectral image classification, including the ineffective utilization of spectral-spatial joint information and the problems of gradient vanishing and overfitting that arise with…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Guandong Li , Mengxia Ye

Deep neural networks face several challenges in hyperspectral image classification, including complex and sparse ground object distributions, small clustered structures, and elongated multi-branch features that often lead to missing…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Guandong Li , Mengxia Ye

In this paper, we propose a new unsupervised feature learning framework, namely Deep Sparse Coding (DeepSC), that extends sparse coding to a multi-layer architecture for visual object recognition tasks. The main innovation of the framework…

机器学习 · 计算机科学 2013-12-23 Yunlong He , Koray Kavukcuoglu , Yun Wang , Arthur Szlam , Yanjun Qi