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The advent of Vision Transformers (ViTs) marks a substantial paradigm shift in the realm of computer vision. ViTs capture the global information of images through self-attention modules, which perform dot product computations among…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Shuoxi Zhang , Hanpeng Liu , Stephen Lin , Kun He

Deep learning methods have shown considerable potential for hyperspectral image (HSI) classification, which can achieve high accuracy compared with traditional methods. However, they often need a large number of training samples and have a…

图像与视频处理 · 电气工程与系统科学 2020-10-16 Benlei Cui , XueMei Dong , Qiaoqiao Zhan , Jiangtao Peng , Weiwei Sun

High-spatial-resolution hyperspectral images (HSI) are essential for applications such as remote sensing and medical imaging, yet HSI sensors inherently trade spatial detail for spectral richness. Fusing high-spatial-resolution…

图像与视频处理 · 电气工程与系统科学 2026-05-22 Ritik Shah , Marco F. Duarte

There still remains an extreme performance gap between Vision Transformers (ViTs) and Convolutional Neural Networks (CNNs) when training from scratch on small datasets, which is concluded to the lack of inductive bias. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Zhiying Lu , Hongtao Xie , Chuanbin Liu , Yongdong Zhang

Vision Transformers (ViTs) have demonstrated strong performance across a range of computer vision tasks by modeling long-range spatial interactions via self-attention. However, channel-wise mixing in ViTs remains static, relying on fixed…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Aon Safdar , Mohamed Saadeldin

The fusion of hyperspectral and LiDAR data has been an active research topic. Existing fusion methods have ignored the high-dimensionality and redundancy challenges in hyperspectral images, despite that band selection methods have been…

图像与视频处理 · 电气工程与系统科学 2024-04-16 Judy X Yang , Jun Zhou , Jing Wang , Hui Tian , Alan Wee-Chung Liew

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

High-resolution dense prediction enables many appealing real-world applications, such as computational photography, autonomous driving, etc. However, the vast computational cost makes deploying state-of-the-art high-resolution dense…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Han Cai , Junyan Li , Muyan Hu , Chuang Gan , Song Han

Dense computer vision tasks such as object detection and segmentation require effective multi-scale feature representation for detecting or classifying objects or regions with varying sizes. While Convolutional Neural Networks (CNNs) have…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Youngwan Lee , Jonghee Kim , Jeff Willette , Sung Ju Hwang

Single hyperspectral image super-resolution (single-HSI-SR) aims to restore a high-resolution hyperspectral image from a low-resolution observation. However, the prevailing CNN-based approaches have shown limitations in building long-range…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Mingjin Zhang , Chi Zhang , Qiming Zhang , Jie Guo , Xinbo Gao , Jing Zhang

As data requirements continue to grow, efficient learning increasingly depends on the curation and distillation of high-value data rather than brute-force scaling of model sizes. In the case of a hyperspectral image (HSI), the challenge is…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Abhiroop Chatterjee , Susmita Ghosh

We present Region-aware Open-vocabulary Vision Transformers (RO-ViT) - a contrastive image-text pretraining recipe to bridge the gap between image-level pretraining and open-vocabulary object detection. At the pretraining phase, we propose…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Dahun Kim , Anelia Angelova , Weicheng Kuo

Recent advances on Vision Transformer (ViT) and its improved variants have shown that self-attention-based networks surpass traditional Convolutional Neural Networks (CNNs) in most vision tasks. However, existing ViTs focus on the standard…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Xiaofeng Mao , Gege Qi , Yuefeng Chen , Xiaodan Li , Ranjie Duan , Shaokai Ye , Yuan He , Hui Xue

Deep neural networks face several challenges in hyperspectral image classification, including high-dimensional data, sparse distribution of ground objects, and spectral redundancy, which often lead to classification overfitting and limited…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Guandong Li , Mengxia Ye

Hyperspectral image (HSI) with narrow spectral bands can capture rich spectral information, but it sacrifices its spatial resolution in the process. Many machine-learning-based HSI super-resolution (SR) algorithms have been proposed…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Zhongyang Zhang , Zhiyang Xu , Zia Ahmed , Asif Salekin , Tauhidur Rahman

Snapshot compressive imaging (SCI) surges as a novel way of capturing hyperspectral images. It operates an optical encoder to compress the 3D data into a 2D measurement and adopts a software decoder for the signal reconstruction. Recently,…

图像与视频处理 · 电气工程与系统科学 2025-03-21 Jiamian Wang , Kunpeng Li , Yulun Zhang , Xin Yuan , Zhiqiang Tao

We address the task of weakly-supervised few-shot image classification and segmentation, by leveraging a Vision Transformer (ViT) pretrained with self-supervision. Our proposed method takes token representations from the self-supervised ViT…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Dahyun Kang , Piotr Koniusz , Minsu Cho , Naila Murray

Convolutional architectures have proven extremely successful for vision tasks. Their hard inductive biases enable sample-efficient learning, but come at the cost of a potentially lower performance ceiling. Vision Transformers (ViTs) rely on…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Stéphane d'Ascoli , Hugo Touvron , Matthew Leavitt , Ari Morcos , Giulio Biroli , Levent Sagun

Due to inadequate energy captured by the hyperspectral camera sensor in poor illumination conditions, low-light hyperspectral images (HSIs) usually suffer from low visibility, spectral distortion, and various noises. A range of HSI…

图像与视频处理 · 电气工程与系统科学 2022-10-05 Xuelong Li , Guanlin Li , Bin Zhao

The fast development of self-supervised learning lowers the bar learning feature representation from massive unlabeled data and has triggered a series of research on change detection of remote sensing images. Challenges in adapting…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Meiqi Hu , Chen Wu , Liangpei Zhang