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In this paper, we investigate the problem of hyperspectral (HS) image spatial super-resolution via deep learning. Particularly, we focus on how to embed the high-dimensional spatial-spectral information of HS images efficiently and…

计算机视觉与模式识别 · 计算机科学 2022-09-14 Jinhui Hou , Zhiyu Zhu , Junhui Hou , Huanqiang Zeng , Jinjian Wu , Jiantao Zhou

This paper proposes Deep Bi-Dense Networks (DBDN) for single image super-resolution. Our approach extends previous intra-block dense connection approaches by including novel inter-block dense connections. In this way, feature information…

计算机视觉与模式识别 · 计算机科学 2018-10-12 Yucheng Wang , Jialiang Shen , Jian Zhang

Semi-supervised semantic segmentation (SSS) is an important task that utilizes both labeled and unlabeled data to reduce expenses on labeling training examples. However, the effectiveness of SSS algorithms is limited by the difficulty of…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Zhibo Tain , Xiaolin Zhang , Peng Zhang , Kun Zhan

Hyperspectral image (HSI) classification faces challenges such as high-dimensional data, limited training samples, and spectral redundancy, which often lead to overfitting and insufficient generalization capability. This paper proposes a…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Guandong Li , Mengxia Ye

In the recent years, hyperspectral imaging (HSI) has gained considerably popularity among computer vision researchers for its potential in solving remote sensing problems, especially in agriculture field. However, HSI classification is a…

计算机视觉与模式识别 · 计算机科学 2023-04-28 Mohamed Fadhlallah Guerri , Cosimo Distante , Paolo Spagnolo , Fares Bougourzi , Abdelmalik Taleb-Ahmed

Current methods for medical image segmentation primarily focus on extracting contextual feature information from the perspective of the whole image. While these methods have shown effective performance, none of them take into account the…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Jianjian Yin , Yi Chen , Chengyu Li , Zhichao Zheng , Yanhui Gu , Junsheng Zhou

Hyperspectral image (HSI) denoising is a crucial preprocessing step for subsequent tasks. The clean HSI usually reside in a low-dimensional subspace, which can be captured by low-rank and sparse representation, known as the physical prior…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Jin Ye , Fengchao Xiong , Jun Zhou , Yuntao Qian

Superpixels are higher-order perceptual groups of pixels in an image, often carrying much more information than the raw pixels. There is an inherent relational structure to the relationship among different superpixels of an image such as…

计算机视觉与模式识别 · 计算机科学 2022-05-23 Gunjan Chhablani , Abheesht Sharma , Harshit Pandey , Tirtharaj Dash

Hyperspectral images (HSI) consist of rich spatial and spectral information, which can potentially be used for several applications. However, noise, band correlations and high dimensionality restrict the applicability of such data. This is…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Aditya Challa , Sravan Danda , B. S. Daya Sagar , Laurent Najman

Transformer has achieved satisfactory results in the field of hyperspectral image (HSI) classification. However, existing Transformer models face two key challenges when dealing with HSI scenes characterized by diverse land cover types and…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Yichu Xu , Di Wang , Lefei Zhang , Liangpei Zhang

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

Hyperspectral image classification demands spatially coherent predictions and precise boundary delineation. Yet prevailing superpixel-based methods face an inherent contradiction: clustering aggregates similar pixels into regions, but the…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Peifu Liu , Tingfa Xu , Jie Wang , Huan Chen , Huiyan Bai , Jianan Li

Deep learning based methods have seen a massive rise in popularity for hyperspectral image classification over the past few years. However, the success of deep learning is attributed greatly to numerous labeled samples. It is still very…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Bing Liu , Anzhu Yu , Pengqiang Zhang , Lei Ding , Wenyue Guo , Kuiliang Gao , Xibing Zuo

The goal of fine-grained few-shot learning is to recognize sub-categories under the same super-category by learning few labeled samples. Most of the recent approaches adopt a single similarity measure, that is, global or local measure…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Yan Qi , Han Sun , Ningzhong Liu , Huiyu Zhou

It is well known that hyperspectral images (HSI) contain rich spatial-spectral contextual information, and how to effectively combine both spectral and spatial information using DNN for HSI classification has become a new research hotspot.…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Shuang He , Haitong Tang , Xia Lu , Hongjie Yan , Nizhuan Wang

Recently, Convolutional Neural Networks (CNN) based image super-resolution (SR) have shown significant success in the literature. However, these methods are implemented as single-path stream to enrich feature maps from the input for the…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Feng Li , Runming Cong , Huihui Bai , Yifan He

To simplify the parameter of the deep learning network, a cascaded compressive sensing model "CSNet" is implemented for image classification. Firstly, we use cascaded compressive sensing network to learn feature from the data. Secondly,…

计算机视觉与模式识别 · 计算机科学 2014-09-26 Yufei Gan , Tong Zhuo , Chu He

Superpixel segmentation has recently seen important progress benefiting from the advances in differentiable deep learning. However, the very high-resolution superpixel segmentation still remains challenging due to the expensive memory and…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Yaxiong Wang , Yunchao Wei , Xueming Qian , Li Zhu , Yi Yang

Due to the limited amount and imbalanced classes of labeled training data, the conventional supervised learning can not ensure the discrimination of the learned feature for hyperspectral image (HSI) classification. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2018-09-06 Yan Ju , Lingling Li , Licheng Jiao , Zhongle Ren , Biao Hou , Shuyuan Yang

Fusion-based hyperspectral image (HSI) super-resolution has become increasingly prevalent for its capability to integrate high-frequency spatial information from the paired high-resolution (HR) RGB reference image. However, most of the…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Zeqiang Lai , Ying Fu , Jun Zhang