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Hyperspectral Imaging is the acquisition of spectral and spatial information of a particular scene. Capturing such information from a specialized hyperspectral camera remains costly. Reconstructing such information from the RGB image…

图像与视频处理 · 电气工程与系统科学 2020-04-21 D. Sabari Nathan , K. Uma , D Synthiya Vinothini , B. Sathya Bama , S. M. Md Mansoor Roomi

The attention mechanism plays a pivotal role in designing advanced super-resolution (SR) networks. In this work, we design an efficient SR network by improving the attention mechanism. We start from a simple pixel attention module and…

图像与视频处理 · 电气工程与系统科学 2022-10-14 Lin Zhou , Haoming Cai , Jinjin Gu , Zheyuan Li , Yingqi Liu , Xiangyu Chen , Yu Qiao , Chao Dong

Deep neural networks have achieved remarkable success in single image super-resolution (SISR). The computing and memory requirements of these methods have hindered their application to broad classes of real devices with limited computing…

计算机视觉与模式识别 · 计算机科学 2018-06-06 Lei Zhang , Peng Wang , Chunhua Shen , Lingqiao Liu , Wei Wei , Yanning Zhang , Anton van den Hengel

Medical Hyperspectral Imaging (MHSI) has emerged as a promising tool for enhanced disease diagnosis, particularly in computational pathology, offering rich spectral information that aids in identifying subtle biochemical properties of…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Qing Zhang , Guoquan Pei , Yan Wang

Obtaining high-resolution hyperspectral images (HR-HSI) is costly and data-intensive, making it necessary to fuse low-resolution hyperspectral images (LR-HSI) with high-resolution RGB images (HR-RGB) for practical applications. However,…

图像与视频处理 · 电气工程与系统科学 2025-03-25 Lei Guo , Wei Chen , Yuxuan Sun , Bo Ai , Nikolaos Pappas , Tony Quek

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

The hyperspectral image (HSI) unmixing task is essentially an inverse problem, which is commonly solved by optimization algorithms under a predefined (non-)linear mixture model. Although these optimization algorithms show impressive…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Chao Zhou

In this paper, we propose an unified hyperspectral image classification method which takes three-dimensional hyperspectral data cube as an input and produces a classification map. In the proposed method, a deep neural network which uses…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Berkan Demirel , Omer Ozdil , Yunus Emre Esin , Safak Ozturk

Stereo image super-resolution (stereoSR) aims to enhance the quality of super-resolution results by incorporating complementary information from an alternative view. Although current methods have shown significant advancements, they…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Hu Gao , Depeng Dang

Hyperspectral Imaging (HSI) combines microscopy and spectroscopy to assess the spatial distribution of spectroscopically active compounds in objects, and has diverse applications in food quality control, pharmaceutical processes, and waste…

图像与视频处理 · 电气工程与系统科学 2023-08-30 Mahdiyeh Ghaffari , Mickey C. J. Lukkien , Nematollah Omidikia , Gerjen H. Tinnevelt , Marcel C. P. van Eijk , Jeroen J. Jansen

Reference-based image super-resolution (RefSR) has shown promising success in recovering high-frequency details by utilizing an external reference image (Ref). In this task, texture details are transferred from the Ref image to the…

计算机视觉与模式识别 · 计算机科学 2021-06-07 Liying Lu , Wenbo Li , Xin Tao , Jiangbo Lu , Jiaya Jia

In coded aperture snapshot spectral imaging (CASSI) system, the real-world hyperspectral image (HSI) can be reconstructed from the captured compressive image in a snapshot. Model-based HSI reconstruction methods employed hand-crafted priors…

图像与视频处理 · 电气工程与系统科学 2021-03-31 Tao Huang , Weisheng Dong , Xin Yuan , Jinjian Wu , Guangming Shi

Compared to natural images, hyperspectral images (HSIs) consist of a large number of bands, with each band capturing different spectral information from a certain wavelength, even some beyond the visible spectrum. These characteristics of…

图像与视频处理 · 电气工程与系统科学 2023-09-18 Orhan Torun , Seniha Esen Yuksel , Erkut Erdem , Nevrez Imamoglu , Aykut Erdem

Hyperspectral super-resolution (HSR) aims at fusing a hyperspectral image (HSI) and a multispectral image (MSI) to produce a super-resolution image (SRI). Recently, a coupled tensor factorization approach was proposed to handle this…

信号处理 · 电气工程与系统科学 2019-10-24 Guoyong Zhang , Xiao Fu , Kejun Huang , Jun Wang

To realize high-accuracy classification of high spatial resolution (HSR) images, this letter proposes a new multi-feature fusion-based scene classification framework (MF2SCF) by fusing local, global, and color features of HSR images.…

图像与视频处理 · 电气工程与系统科学 2021-05-25 Zhengrui Huang

Hyperspectral images (HSI) with abundant spectral information reflected materials property usually perform low spatial resolution due to the hardware limits. Meanwhile, multispectral images (MSI), e.g., RGB images, have a high spatial…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Shuaikai Shi , Lijun Zhang , Yoann Altmann , Jie Chen

Deep functional map frameworks are widely employed for 3D shape matching. However, most existing deep functional map methods cannot adaptively capture important frequency information for functional map estimation in specific matching…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Feifan Luo , Qinsong Li , Ling Hu , Haibo Wang , Xinru Liu , Shengjun Liu , Hongyang Chen

Deep features have been proven powerful in building accurate dense semantic correspondences in various previous works. However, the multi-scale and pyramidal hierarchy of convolutional neural networks has not been well studied to learn…

计算机视觉与模式识别 · 计算机科学 2021-08-30 Dongyang Zhao , Ziyang Song , Zhenghao Ji , Gangming Zhao , Weifeng Ge , Yizhou Yu

While single-image super-resolution (SISR) has attracted substantial interest in recent years, the proposed approaches are limited to learning image priors in order to add high frequency details. In contrast, multi-frame super-resolution…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Goutam Bhat , Martin Danelljan , Luc Van Gool , Radu Timofte

The NIR-to-RGB spectral domain translation is a formidable task due to the inherent spectral mapping ambiguities within NIR inputs and RGB outputs. Thus, existing methods fail to reconcile the tension between maintaining texture detail…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Huiyu Zhai , Mo Chen , Xingxing Yang , Gusheng Kang