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相关论文: Spectral Gaps and Spatial Priors: Studying Hypersp…

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Hyperspectral image (HSI) classification is challenging due to spatial variability caused by complex imaging conditions. Prior methods suffer from limited representation ability, as they train specially designed networks from scratch on…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Di Wang , Jing Zhang , Bo Du , Liangpei Zhang , Dacheng Tao

Pansharpening aims to fuse a registered high-resolution panchromatic image (PAN) with a low-resolution hyperspectral image (LR-HSI) to generate an enhanced HSI with high spectral and spatial resolution. Existing pansharpening approaches…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Wele Gedara Chaminda Bandara , Vishal M. Patel

Currently, this paper is under review in IEEE. Transformers have intrigued the vision research community with their state-of-the-art performance in natural language processing. With their superior performance, transformers have found their…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Preetam Ghosh , Swalpa Kumar Roy , Bikram Koirala , Behnood Rasti , Paul Scheunders

Deep learning models for channel estimation in Orthogonal Frequency Division Multiplexing (OFDM) systems often suffer from performance degradation under fast-fading channels and low-SNR scenarios. To address these limitations, we introduce…

机器学习 · 计算机科学 2025-05-15 Berkay Guler , Hamid Jafarkhani

Despite the great success of deep model on Hyperspectral imagery (HSI) super-resolution(SR) for simulated data, most of them function unsatisfactory when applied to the real data, especially for unsupervised HSI SR methods. One of the main…

图像与视频处理 · 电气工程与系统科学 2020-12-04 Jiangtao Nie , Lei Zhang , Wei Wei , Zhiqiang Lang , Yanning Zhang

Modern Earth observation (EO) increasingly leverages deep learning to harness the scale and diversity of satellite imagery across sensors and regions. While recent foundation models have demonstrated promising generalization across EO…

Utilizing hyperspectral remote sensing technology enables the extraction of fine-grained land cover classes. Typically, satellite or airborne images used for training and testing are acquired from different regions or times, where the same…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Yuxiang Zhang , Wei Li , Wen Jia , Mengmeng Zhang , Ran Tao , Shunlin Liang

The effectiveness of spectral-spatial feature learning is crucial for the hyperspectral image (HSI) classification task. Diffusion models, as a new class of groundbreaking generative models, have the ability to learn both contextual…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Jingyi Zhou , Jiamu Sheng , Jiayuan Fan , Peng Ye , Tong He , Bin Wang , Tao Chen

As the field of remote sensing is evolving, we witness the accumulation of information from several modalities, such as multispectral (MS), hyperspectral (HSI), LiDAR etc. Each of these modalities possess its own distinct characteristics…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Rupak Bose , Shivam Pande , Biplab Banerjee

Generalized category discovery~(GCD) seeks to jointly identify both known and novel categories in unlabeled data. While prior works have mainly focused on RGB images, their assumptions and modeling strategies do not generalize well to…

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

Deep unfolding methods have made impressive progress in restoring 3D hyperspectral images (HSIs) from 2D measurements through convolution neural networks or Transformers in spectral compressive imaging. However, they cannot efficiently…

图像与视频处理 · 电气工程与系统科学 2024-06-04 Jiahua Dong , Hui Yin , Hongliu Li , Wenbo Li , Yulun Zhang , Salman Khan , Fahad Shahbaz Khan

Hyperspectral image classification (HSIC) has gained significant attention because of its potential in analyzing high-dimensional data with rich spectral and spatial information. In this work, we propose the Differential Spatial-Spectral…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Muhammad Ahmad , Manuel Mazzara , Salvatore Distefano , Adil Mehmood Khan , Silvia Liberata Ullo

Modeling hyperspectral imagery (HSI) across different sensors presents a fundamental challenge due to variations in wavelength coverage, band sampling, and channel dimensionality. As a result, models trained under a fixed spectral…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Haozhe Si , Yuxuan Wan , Yuqing Wang , Minh Do , Han Zhao

We study the inverse problem of Coded Aperture Snapshot Spectral Imaging (CASSI), which captures a spatial-spectral data cube using snapshot 2D measurements and uses algorithms to reconstruct 3D hyperspectral images (HSI). However, current…

图像与视频处理 · 电气工程与系统科学 2024-06-19 Jincheng Yang , Lishun Wang , Miao Cao , Huan Wang , Yinping Zhao , Xin Yuan

In this paper, we address the hyperspectral image (HSI) classification task with a generative adversarial network and conditional random field (GAN-CRF) -based framework, which integrates a semi-supervised deep learning and a probabilistic…

图像与视频处理 · 电气工程与系统科学 2019-05-14 Zilong Zhong , Jonathan Li , David A. Clausi , Alexander Wong

In the past three years, there has been significant interest in hyperspectral imagery (HSI) classification using vision Transformers for analysis of remotely sensed data. Previous research predominantly focused on the empirical integration…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Wei Liu , Saurabh Prasad , Melba Crawford

Machine learning models in astrophysics are often limited in scope and cannot adapt to data from new instruments or tasks. We introduce SpectraFM, a Transformer-based foundation model architecture that can be pre-trained on stellar spectra…

天体物理仪器与方法 · 物理学 2024-11-08 Nolan Koblischke , Jo Bovy

Data-hungry HSI classification methods require high-quality labeled HSIs, which are often costly to obtain. This characteristic limits the performance potential of data-driven methods when dealing with limited annotated samples. Bridging…

计算机视觉与模式识别 · 计算机科学 2025-02-21 Xizhe Xue , Haokui Zhang , Haizhao Jing , Lijie Tao , Zongwen Bai , Ying Li

Self-supervised learning has emerged as a powerful paradigm for pretraining foundation models using large-scale data. Existing pretraining approaches predominantly rely on masked reconstruction or next-token prediction strategies,…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Praveen Ravirathinam , Ajitesh Parthasarathy , Ankush Khandelwal , Rahul Ghosh , Vipin Kumar

Multi-modal scene reconstruction integrating RGB and thermal infrared data is essential for robust environmental perception across diverse lighting and weather conditions. However, extending 3D Gaussian Splatting (3DGS) to multi-spectral…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Zhaoqi Su , Shihai Chen , Xinyan Lin , Liqin Huang , Zhipeng Su , Xiaoqiang Lu
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