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Remote sensing pansharpening aims to reconstruct spatial-spectral properties during the fusion of panchromatic (PAN) images and low-resolution multi-spectral (LR-MS) images, finally generating the high-resolution multi-spectral (HR-MS)…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Yizhen Jiang , Mengting Ma , Anqi Zhu , Xiaowen Ma , Jiaxin Li , Wei Zhang

In unsupervised image-to-image translation, the goal is to learn the mapping between an input image and an output image using a set of unpaired training images. In this paper, we propose an extension of the unsupervised image-to-image…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Pramuditha Perera , Mahdi Abavisani , Vishal M. Patel

In the field of fusing multi-spectral and panchromatic images (Pan-sharpening), the impressive effectiveness of deep neural networks has been recently employed to overcome the drawbacks of traditional linear models and boost the fusing…

Computer Vision and Pattern Recognition · Computer Science 2017-11-22 Yancong Wei , Qiangqiang Yuan , Huanfeng Shen , Liangpei Zhang

Pansharpening aims to generate high-resolution multispectral (HRMS) images by fusing low-resolution multispectral (LRMS) and high-resolution panchromatic (PAN) images while preserving both spectral and spatial information. Although deep…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Zhiqi Yang , Jin-Liang Xiao , Shan Yin , Liang-Jian Deng , Gemine Vivone

Hyperspectral pansharpening is a process of merging a high-resolution panchromatic (PAN) image and a low-resolution hyperspectral (LRHS) image to create a single high-resolution hyperspectral (HRHS) image. Existing Bayesian-based HS…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Xiangyu Rui , Xiangyong Cao , Li Pang , Zeyu Zhu , Zongsheng Yue , Deyu Meng

We consider the single image super-resolution problem in a more general case that the low-/high-resolution pairs and the down-sampling process are unavailable. Different from traditional super-resolution formulation, the low-resolution…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Yuan Yuan , Siyuan Liu , Jiawei Zhang , Yongbing Zhang , Chao Dong , Liang Lin

With the development of deep learning, supervised learning has frequently been adopted to classify remotely sensed images using convolutional networks (CNNs). However, due to the limited amount of labeled data available, supervised learning…

Computer Vision and Pattern Recognition · Computer Science 2017-11-22 Daoyu Lin , Kun Fu , Yang Wang , Guangluan Xu , Xian Sun

This paper presents a generative model method for multispectral image fusion in remote sensing which is trained without supervision. This method eases the supervision of learning and it also considers a multi-objective loss function to…

Image and Video Processing · Electrical Eng. & Systems 2021-02-09 Arian Azarang , Nasser Kehtarnavaz

Because of the necessity to obtain high-quality images with minimal radiation doses, such as in low-field magnetic resonance imaging, super-resolution reconstruction in medical imaging has become more popular (MRI). However, due to the…

Image and Video Processing · Electrical Eng. & Systems 2022-12-27 Weizhi Du , Harvery Tian

High Dynamic Range (HDR) imaging aims to reproduce the wide range of brightness levels present in natural scenes, which the human visual system can perceive but conventional digital cameras often fail to capture due to their limited dynamic…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 Kumbha Nagaswetha

There is a growing demand for high-resolution (HR) medical images in both the clinical and research applications. Image quality is inevitably traded off with the acquisition time for better patient comfort, lower examination costs, dose,…

Image and Video Processing · Electrical Eng. & Systems 2021-06-07 Kuan Zhang , Haoji Hu , Kenneth Philbrick , Gian Marco Conte , Joseph D. Sobek , Pouria Rouzrokh , Bradley J. Erickson

Fusing a low resolution (LR) mosaiced hyperspectral image (HSI) with a high resolution (HR) panchromatic (PAN) image offers a promising avenue for video-rate HR-HSI imaging via single-shot acquisition, yet its severely ill-posed nature…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Peiming Luo , Nan Wang , Litong Liu , Jiahan Huang , Chenxu Wu , Renwei Dian , Junming Hou

Multi-focus image fusion technologies compress different focus depth images into an image in which most objects are in focus. However, although existing image fusion techniques, including traditional algorithms and deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2020-01-06 Xiebo Geng , Sibo Liua , Wei Han , Xu Li , Jiabo Ma , Jingya Yu , Xiuli Liu , Sahoqun Zeng , Li Chen , Shenghua Cheng

Most existing deep learning-based pan-sharpening methods have several widely recognized issues, such as spectral distortion and insufficient spatial texture enhancement, we propose a novel pan-sharpening convolutional neural network based…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Jiaming Wang , Zhenfeng Shao , Xiao Huang , Tao Lu , Ruiqian Zhang , Jiayi Ma

Deep learning methods have shown remarkable performance in image denoising, particularly when trained on large-scale paired datasets. However, acquiring such paired datasets for real-world scenarios poses a significant challenge. Although…

Image and Video Processing · Electrical Eng. & Systems 2023-08-15 Xin Lin , Chao Ren , Xiao Liu , Jie Huang , Yinjie Lei

Pansharpening aims to fuse a high-resolution panchromatic (PAN) image and a low-resolution multispectral (LRMS) image to produce a high-resolution multispectral (HRMS) image. Recent deep models have achieved strong performance, yet they…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Zhiqi Yang , Shan Yin , Jingze Liang , Liang-Jian Deng

Hyperspectral images (HSIs) are frequently noisy and of low resolution due to the constraints of imaging devices. Recently launched satellites can concurrently acquire HSIs and panchromatic (PAN) images, enabling the restoration of HSIs to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Shuang Xu , Zixiang Zhao , Haowen Bai , Chang Yu , Jiangjun Peng , Xiangyong Cao , Deyu Meng

Generative adversarial networks (GANs) are a class of unsupervised machine learning algorithms that can produce realistic images from randomly-sampled vectors in a multi-dimensional space. Until recently, it was not possible to generate…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Andrew Beers , James Brown , Ken Chang , J. Peter Campbell , Susan Ostmo , Michael F. Chiang , Jayashree Kalpathy-Cramer

We propose a new approach to Generative Adversarial Networks (GANs) to achieve an improved performance with additional robustness to its so-called and well recognized mode collapse. We first proceed by mapping the desired data onto a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim

Various and different methods can be used to produce high-resolution multispectral images from high-resolution panchromatic image (PAN) and low-resolution multispectral images (MS), mostly on the pixel level. However, the jury is still out…

Computer Vision and Pattern Recognition · Computer Science 2011-10-25 Firouz Abdullah Al-Wassai , N. V. Kalyankar , Ali A. Al-Zaky