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Hyperspectral imaging provides precise classification for land use and cover due to its exceptional spectral resolution. However, the challenges of high dimensionality and limited spatial resolution hinder its effectiveness. This study…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Shivam Pande

Sparsity-based approaches have been popular in many applications in image processing and imaging. Compressed sensing exploits the sparsity of images in a transform domain or dictionary to improve image recovery from undersampled…

机器学习 · 统计学 2019-06-14 Saiprasad Ravishankar , Brian E. Moore , Raj Rao Nadakuditi , Jeffrey A. Fessler

The problem of effectively exploiting the information multiple data sources has become a relevant but challenging research topic in remote sensing. In this paper, we propose a new approach to exploit the complementarity of two data sources:…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Heng-Chao Li , Wen-Shuai Hu , Wei Li , Jun Li , Qian Du , Antonio Plaza

Hyperspectral images (HSI) contain a wealth of information over hundreds of contiguous spectral bands, making it possible to classify materials through subtle spectral discrepancies. However, the classification of this rich spectral…

机器学习 · 计算机科学 2018-12-07 Ramanarayan Mohanty , SL Happy , Aurobinda Routray

Compressive Sensing (CS) has been applied successfully in a wide variety of applications in recent years, including photography, shortwave infrared cameras, optical system research, facial recognition, MRI, etc. In wireless sensor networks…

网络与互联网体系结构 · 计算机科学 2013-11-20 Xi Xu , Rashid Ansari , Ashfaq Khokhar

Accurate hyperspectral image (HSI) interpretation is critical for providing valuable insights into various earth observation-related applications such as urban planning, precision agriculture, and environmental monitoring. However, existing…

Hyperspectral image (HSI) classification faces critical challenges, including high spectral dimensionality, complex spectral-spatial correlations, and limited training samples with severe class imbalance. While CNNs excel at local feature…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Asmit Bandyopadhyay , Anindita Das Bhattacharjee , Rakesh Das

Hyperspectral images (HSIs) can distinguish materials with high number of spectral bands, which is widely adopted in remote sensing applications and benefits in high accuracy land cover classifications. However, HSIs processing are tangled…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Ringo S. W. Chu , Ho-Cheung Ng , Xiwei Wang , Wayne Luk

Hyperspectral Imaging (HSI) is known for its advantages over traditional RGB imaging in remote sensing, agriculture, and medicine. Recently, it has gained attention for enhancing Advanced Driving Assistance Systems (ADAS) perception.…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Imad Ali Shah , Jiarong Li , Martin Glavin , Edward Jones , Enda Ward , Brian Deegan

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

Many algorithms have been developed to solve the inverse problem of coded aperture snapshot spectral imaging (CASSI), i.e., recovering the 3D hyperspectral images (HSIs) from a 2D compressive measurement. In recent years, learning-based…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Yuanhao Cai , Jing Lin , Xiaowan Hu , Haoqian Wang , Xin Yuan , Yulun Zhang , Radu Timofte , Luc Van Gool

Recently, neural network (NN)-based image compression studies have actively been made and has shown impressive performance in comparison to traditional methods. However, most of the works have focused on non-scalable image compression…

图像与视频处理 · 电气工程与系统科学 2026-01-06 Jongmin Park , Jooyoung Lee , Munchurl Kim

Hyperspectral image fusion aims to reconstruct high-spatial-resolution hyperspectral images (HR-HSI) by integrating complementary information from multi-source inputs. Despite recent progress, existing methods still face two critical…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Qiya Song , Hongzhi Zhou , Lishan Tan , Renwei Dian , Shutao Li

Hyperspectral image (HSI) densely samples the world in both the space and frequency domain and therefore is more distinctive than RGB images. Usually, HSI needs to be calibrated to minimize the impact of various illumination conditions. The…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Zhuoran Du , Shaodi You , Cheng Cheng , Shikui Wei

Hyperspectral compressive imaging takes advantage of compressive sensing theory to achieve coded aperture snapshot measurement without temporal scanning, and the entire three-dimensional spatial-spectral data is captured by a…

图像与视频处理 · 电气工程与系统科学 2021-08-03 Yubao Sun , Ying Yang , Qingshan Liu , Mohan Kankanhalli

Recently, graph convolutional networks (GCNs) have been developed to explore spatial relationship between pixels, achieving better classification performance of hyperspectral images (HSIs). However, these methods fail to sufficiently…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Jin-Yu Yang , Heng-Chao Li , Wen-Shuai Hu , Lei Pan , Qian Du

Learning light-weight yet expressive deep networks in both image synthesis and image recognition remains a challenging problem. Inspired by a more recent observation that it is the data-specificity that makes the multi-head self-attention…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Jianghao Shen , Tianfu Wu

Denoising is a crucial step for hyperspectral image (HSI) applications. Though witnessing the great power of deep learning, existing HSI denoising methods suffer from limitations in capturing the non-local self-similarity. Transformers have…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Miaoyu Li , Ji Liu , Ying Fu , Yulun Zhang , Dejing Dou

Hyperspectral images (HSI) promise to support a range of new applications in computer vision. Recent research has explored the feasibility of generalizable Spectral Reconstruction (SR), the problem of recovering a HSI from a natural…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Christopher Thirgood , Oscar Mendez , Erin Ling , Jon Storey , Simon Hadfield

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