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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…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Mohamed Fadhlallah Guerri , Cosimo Distante , Paolo Spagnolo , Fares Bougourzi , Abdelmalik Taleb-Ahmed

In recent years, Vision Transformers (ViTs) have shown promising classification performance over Convolutional Neural Networks (CNNs) due to their self-attention mechanism. Many researchers have incorporated ViTs for Hyperspectral Image…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Shyam Varahagiri , Aryaman Sinha , Shiv Ram Dubey , Satish Kumar Singh

Recovering high-dimensional statistical structure from limited measurements is a fundamental challenge in hyperspectral imaging, where capturing full-resolution data is often infeasible due to sensor, bandwidth, or acquisition constraints.…

Image and Video Processing · Electrical Eng. & Systems 2025-08-01 Jonathan Monsalve , Kumar Vijay Mishra

Diffusion models (DMs) have recently been introduced in image deblurring and exhibited promising performance, particularly in terms of details reconstruction. However, the diffusion model requires a large number of inference iterations to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Zheng Chen , Yulun Zhang , Ding Liu , Bin Xia , Jinjin Gu , Linghe Kong , Xin Yuan

Hyperspectral imaging plays a pivotal role in a wide range of applications, like remote sensing, medicine, and cytology. By acquiring 3D hyperspectral images (HSIs) via 2D sensors, the coded aperture snapshot spectral imaging (CASSI) has…

Image and Video Processing · Electrical Eng. & Systems 2023-03-20 Xuanyu Zhang , Bin Chen , Wenzhen Zou , Shuai Liu , Yongbing Zhang , Ruiqin Xiong , Jian Zhang

Convolutional neural networks (CNNs) have achieved remarkable performance in hyperspectral image (HSI) classification over the last few years. Despite the progress that has been made, rich and informative spectral information of HSI has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Huiling Wang

While visual autoregressive modeling (VAR) strategies have shed light on image generation with the autoregressive models, their potential for segmentation, a task that requires precise low-level spatial perception, remains unexplored.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Rongkun Zheng , Lu Qi , Xi Chen , Yi Wang , Kun Wang , Hengshuang Zhao

Computational spectral imaging (CSI) achieves real-time hyperspectral imaging through co-designed optics and algorithms, but typical CSI methods suffer from a bulky footprint and limited fidelity. Therefore, Spectral Deconvolution imaging…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Tao Lv , Daoming Zhou , Chenglong Huang , Chongde Zi , Linsen Chen , Xun Cao

Hyperspectral images (HSI) contain a wealth of information over hundreds of contiguous spectral bands, making it possible to classify materials through subtle spectral discrepancies. However, the classification of this rich spectral…

Machine Learning · Computer Science 2018-12-07 Ramanarayan Mohanty , SL Happy , Aurobinda Routray

Multispectral and hyperspectral imagery are widely used in agriculture, environmental monitoring, and urban planning due to their complementary spatial and spectral characteristics. A fundamental trade-off persists: multispectral imagery…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Tang Sui , Songxi Yang , Qunying Huang

Visual autoregressive (VAR) models generate images through next-scale prediction, naturally achieving coarse-to-fine, fast, high-fidelity synthesis mirroring human perception. In practice, this hierarchy can drift at inference time, as…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Youngwoo Shin , Jiwan Hur , Junmo Kim

Redundancy and noise exist in the bands of hyperspectral images (HSIs). Thus, it is a good property to be able to select suitable parts from hundreds of input bands for HSIs classification methods. In this letter, a band attention module…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Hongwei Dong , Lamei Zhang , Bin Zou

Hyperspectral images (HSI) have become popular for analysing remotely sensed images in multiple domain like agriculture, medical. However, existing models struggle with complex relationships and characteristics of spectral-spatial data due…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Neetu Sigger , Tuan Thanh Nguyen , Gianluca Tozzi , Quoc-Tuan Vien , Sinh Van Nguyen

Advances in hyperspectral imaging (HSI) and 3D reconstruction have enabled accurate, high-throughput characterization of agricultural produce quality and plant phenotypes, both essential for advancing agricultural sustainability and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Kibon Ku , Talukder Z. Jubery , Adarsh Krishnamurthy , Baskar Ganapathysubramanian

In many image processing tasks it occurs that pixels or blocks of pixels are missing or lost in only some channels. For example during defective transmissions of RGB images, it may happen that one or more blocks in one color channel are…

Image and Video Processing · Electrical Eng. & Systems 2022-09-19 Frank Sippel , Jürgen Seiler , André Kaup

We present a novel method that integrates subspace modeling with an adaptive generative image prior for high-dimensional MR image reconstruction. The subspace model imposes an explicit low-dimensional representation of the high-dimensional…

Image and Video Processing · Electrical Eng. & Systems 2023-06-19 Ruiyang Zhao , Xi Peng , Varun A. Kelkar , Mark A. Anastasio , Fan Lam

This paper investigates the problem of reconstructing hyperspectral (HS) images from single RGB images captured by commercial cameras, \textbf{without} using paired HS and RGB images during training. To tackle this challenge, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Zhiyu Zhu , Hui Liu , Junhui Hou , Huanqiang Zeng , Qingfu Zhang

Non-local low-rank tensor approximation has been developed as a state-of-the-art method for hyperspectral image (HSI) denoising. Unfortunately, with more spectral bands for HSI, while the running time of these methods significantly…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Wei He , Quanming Yao , Chao Li , Naoto Yokoya , Qibin Zhao

The Hyperspectral image (HSI) classification is a standard remote sensing task, in which each image pixel is given a label indicating the physical land-cover on the earth's surface. The achievements of image semantic segmentation and deep…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Divinah Nyasaka , Jing Wang , Haron Tinega

Hyperspectral Image (HSI) reconstruction has made gratifying progress with the deep unfolding framework by formulating the problem into a data module and a prior module. Nevertheless, existing methods still face the problem of insufficient…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Miaoyu Li , Ying Fu , Ji Liu , Yulun Zhang
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