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Hyperspectral Imaging (HSI) captures rich spectral information across contiguous wavelength bands, supporting applications in precision agriculture, environmental monitoring, and autonomous driving. However, its high dimensionality poses…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Yaniv Zimmer , Ofir Lindenbaum , Oren Glickman

In recent years, Hyperspectral Imaging (HSI) has become a powerful source for reliable data in applications such as remote sensing, agriculture, and biomedicine. However, hyperspectral images are highly data-dense and often benefit from…

图像与视频处理 · 电气工程与系统科学 2021-09-28 Giorgio Morales , John Sheppard , Riley Logan , Joseph Shaw

For hyperspectral image change detection (HSI-CD), one key challenge is to reduce band redundancy, as only a few bands are crucial for change detection while other bands may be adverse to it. However, most existing HSI-CD methods directly…

图像与视频处理 · 电气工程与系统科学 2023-11-17 Qingren Yao , Yuan Zhou , Chang Tang , Wei Xiang

We introduce the concrete autoencoder, an end-to-end differentiable method for global feature selection, which efficiently identifies a subset of the most informative features and simultaneously learns a neural network to reconstruct the…

机器学习 · 计算机科学 2019-02-01 Abubakar Abid , Muhammad Fatih Balin , James Zou

Hyperspectral image (HSI) consists of hundreds of continuous narrow bands with high spectral correlation, which would lead to the so-called Hughes phenomenon and the high computational cost in processing. Band selection has been proven…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Yaoming Cai , Xiaobo Liu , Zhihua Cai

Hyperspectral imaging (HSI) provides rich spectral information for precise material classification and analysis; however, its high dimensionality introduces a computational burden and redundancy, making dimensionality reduction essential.…

人工智能 · 计算机科学 2025-09-03 Salma Haidar , José Oramas

Band selection in hyperspectral imaging (HSI) is critical for optimising data processing and enhancing analytical accuracy. Traditional approaches have predominantly concentrated on analysing spectral and pixel characteristics within…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Judy X Yang , Jun Zhou , Jing Wang , Hui Tian , Alan Wee Chung Liew

We present Deep Compression Autoencoder (DC-AE), a new family of autoencoder models for accelerating high-resolution diffusion models. Existing autoencoder models have demonstrated impressive results at a moderate spatial compression ratio…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Junyu Chen , Han Cai , Junsong Chen , Enze Xie , Shang Yang , Haotian Tang , Muyang Li , Yao Lu , Song Han

Feature selection is a crucial task in settings where data is high-dimensional or acquiring the full set of features is costly. Recent developments in neural network-based embedded feature selection show promising results across a wide…

Information about the structure and composition of biopsy specimens can assist in disease monitoring and diagnosis. In principle, this can be acquired from Raman and infrared (IR) hyperspectral images (HSIs) that encode information about…

医学物理 · 物理学 2022-09-12 Ciaran Bench , Jayakrupakar Nallala , Chun-Chin Wang , Hannah Sheridan , Nicholas Stone

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…

计算机视觉与模式识别 · 计算机科学 2019-06-12 Hongwei Dong , Lamei Zhang , Bin Zou

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

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…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Abiy Tasissa , Duc Nguyen , James Murphy

Hyperspectral image analysis often requires selecting the most informative bands instead of processing the whole data without losing the key information. Existing band reduction (BR) methods have the capability to reveal the nonlinear…

计算机视觉与模式识别 · 计算机科学 2018-12-03 Muhammad Ahmad , Asad Khan , Adil Mehmood Khan , Rasheed Hussain

In this work, we propose to utilize a variational autoencoder (VAE) for channel estimation (CE) in underdetermined (UD) systems. The basis of the method forms a recently proposed concept in which a VAE is trained on channel state…

信号处理 · 电气工程与系统科学 2024-03-29 Michael Baur , Nurettin Turan , Benedikt Fesl , Wolfgang Utschick

Understanding the coordinated activity underlying brain computations requires large-scale, simultaneous recordings from distributed neuronal structures at a cellular-level resolution. One major hurdle to design high-bandwidth,…

神经与进化计算 · 计算机科学 2018-09-18 Tong Wu , Wenfeng Zhao , Edward Keefer , Zhi Yang

This paper introduces new attention-based convolutional neural networks for selecting bands from hyperspectral images. The proposed approach re-uses convolutional activations at different depths, identifying the most informative regions of…

计算机视觉与模式识别 · 计算机科学 2020-01-10 Pablo Ribalta Lorenzo , Lukasz Tulczyjew , Michal Marcinkiewicz , Jakub Nalepa

In this paper, we build autoencoder based pipelines for extreme end-to-end image compression based on Ball\'e's approach, which is the state-of-the-art open source implementation in image compression using deep learning. We deepened the…

图像与视频处理 · 电气工程与系统科学 2020-03-02 Licheng Xiao , Hairong Wang , Nam Ling

Hyperspectral image (HSI) classification is a hot topic in the remote sensing community. This paper proposes a new framework of spectral-spatial feature extraction for HSI classification, in which for the first time the concept of deep…

计算机视觉与模式识别 · 计算机科学 2015-11-11 Zhouhan Lin , Yushi Chen , Xing Zhao , Gang Wang

In this paper, we present a downlink pilot design scheme for Deep Learning (DL) based channel estimation (ChannelNet) in orthogonal frequency-division multiplexing (OFDM) systems. Specifically, in the proposed scheme, a feature selection…

信号处理 · 电气工程与系统科学 2020-03-23 Mehran Soltani , Vahid Pourahmadi , Hamid Sheikhzadeh
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