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Variations of deep neural networks such as convolutional neural network (CNN) have been successfully applied to image denoising. The goal is to automatically learn a mapping from a noisy image to a clean image given training data consisting…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Tianyang Wang , Mingxuan Sun , Kaoning Hu

The proliferation of imaging devices and countless image data generated every day impose an increasingly high demand on efficient and effective image denoising. In this paper, we establish a theoretical connection between principal…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Zhaoming Kong , Xiaowei Yang , Jiahuan Zhang

Over the past decade, hyperspectral image (HSI) classification has drawn considerable interest due to HSIs' ability to effectively distinguish terrestrial objects by capturing detailed, continuous spectral information. The strong…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Mohammed Q. Alkhatib , Ali Jamali

An important problem for both graphics and vision is to synthesize novel views of a 3D object from a single image. This is particularly challenging due to the partial observability inherent in projecting a 3D object onto the image space,…

Machine Learning · Computer Science 2016-01-06 Jimei Yang , Scott Reed , Ming-Hsuan Yang , Honglak Lee

In various learning-based image restoration tasks, such as image denoising and image super-resolution, the degradation representations were widely used to model the degradation process and handle complicated degradation patterns. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Dasong Li , Yi Zhang , Ka Chun Cheung , Xiaogang Wang , Hongwei Qin , Hongsheng Li

In many computer vision applications, obtaining images of high resolution in both the spatial and spectral domains are equally important. However, due to hardware limitations, one can only expect to acquire images of high resolution in…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Ying Qu , Hairong Qi , Chiman Kwan

Exploiting rich spatial and spectral features contributes to improve the classification accuracy of hyperspectral images (HSIs). In this paper, based on the mechanism of the population receptive field (pRF) in human visual cortex, we…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Xiufang Li , Qigong Sun , Lingling Li , Zhongle Ren , Fang Liu , Licheng Jiao

A method for active learning of hyperspectral images (HSI) is proposed, which combines deep learning with diffusion processes on graphs. A deep variational autoencoder extracts smoothed, denoised features from a high-dimensional HSI, which…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Abiy Tasissa , Duc Nguyen , James Murphy

We present RND-SCI, a novel framework for compressive hyperspectral image (HSI) reconstruction. Our framework decomposes the reconstructed object into range-space and null-space components, where the range-space part ensures the solution…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Junyu Wang , Shijie Wang , Ruijie Zhang , Zengqiang Zheng , Wenyu Liu , Xinggang Wang

Recent years have witnessed the quick progress of the hyperspectral images (HSI) classification. Most of existing studies either heavily rely on the expensive label information using the supervised learning or can hardly exploit the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Cheng Deng , Xianglong Liu , Chao Li , Dacheng Tao

The 3-D total variation (3DTV) is a powerful regularization term, which encodes the local smoothness prior structure underlying a hyper-spectral image (HSI), for general HSI processing tasks. This term is calculated by assuming identical…

Computer Vision and Pattern Recognition · Computer Science 2018-09-19 Jiangjun Peng , Qi Xie , Qian Zhao , Yao Wang , Deyu Meng , Yee Leung

The use of Deep Learning techniques for classification in Hyperspectral Imaging (HSI) is rapidly growing and achieving improved performances. Due to the nature of the data captured by sensors that produce HSI images, a common issue is the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Aryan Vats , Manan Suri

Image denoising is often empowered by accurate prior information. In recent years, data-driven neural network priors have shown promising performance for RGB natural image denoising. Compared to classic handcrafted priors (e.g., sparsity…

Image and Video Processing · Electrical Eng. & Systems 2022-02-16 Yu-Chun Miao , Xi-Le Zhao , Xiao Fu , Jian-Li Wang , Yu-Bang Zheng

Hyperspectral image (HSI) denoising has been attracting much research attention in remote sensing area due to its importance in improving the HSI qualities. The existing HSI denoising methods mainly focus on specific spectral and spatial…

Computer Vision and Pattern Recognition · Computer Science 2017-02-02 Yang Chen , Xiangyong Cao , Qian Zhao , Deyu Meng , Zongben Xu

Silent speech interfaces (SSI) aim to reconstruct the speech signal from a recording of the articulatory movement, such as an ultrasound video of the tongue. Currently, deep neural networks are the most successful technology for this task.…

Sound · Computer Science 2021-04-26 László Tóth , Amin Honarmandi Shandiz

In this paper, we propose a novel image denoising algorithm exploiting features from both spatial as well as transformed domain. We implement intensity-invariance based improved grouping for collaborative support-agnostic sparse…

Computer Vision and Pattern Recognition · Computer Science 2018-05-03 Muzammil Behzad

Hyperspectral image (HSI) and SAR/LiDAR data offer complementary spectral and structural information for land-cover classification. However, their effective fusion remains challenging due to two major limitations: The spectral redundancy in…

Image and Video Processing · Electrical Eng. & Systems 2026-05-01 Chuanzheng Gong , Feng Gao , Junyan Lin , Junyu Dong , Qian Du

Hyperspectral imaging (HSI) is an advanced sensing modality that simultaneously captures spatial and spectral information, enabling non-invasive, label-free analysis of material, chemical, and biological properties. This Primer presents a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Danfeng Hong , Chenyu Li , Naoto Yokoya , Bing Zhang , Xiuping Jia , Antonio Plaza , Paolo Gamba , Jon Atli Benediktsson , Jocelyn Chanussot

Hyperspectral imaging (HSI) captures spatial information along with dense spectral measurements across numerous narrow wavelength bands. This rich spectral content has the potential to facilitate robust robotic perception, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Juana Valeria Hurtado , Rohit Mohan , Abhinav Valada

Deep neural networks face several challenges in hyperspectral image classification, including insufficient utilization of joint spatial-spectral information, gradient vanishing with increasing depth, and overfitting. To enhance feature…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Guandong Li , Mengxia Ye