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Related papers: Feature Extraction for Hyperspectral Imagery: The …

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Despite the powerful feature extraction capability of Convolutional Neural Networks, there are still some challenges in saliency detection. In this paper, we focus on two aspects of challenges: i) Since salient objects appear in various…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Mehrdad Noori , Sina Mohammadi , Sina Ghofrani Majelan , Ali Bahri , Mohammad Havaei

In this paper, we propose a spectral-spatial feature extraction and classification framework based on artificial neuron network (ANN) in the context of hyperspectral imagery. With limited labeled samples, only spectral information is…

Computer Vision and Pattern Recognition · Computer Science 2017-11-21 Alan J. X. Guo , Fei Zhu

Hyperspectral imaging, a rapidly evolving field, has witnessed the ascendancy of deep learning techniques, supplanting classical feature extraction and classification methods in various applications. However, many researchers employ…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Artzai Picon , Pablo Galan , Arantza Bereciartua-Perez , Leire Benito-del-Valle

Medical image segmentation is vital to the area of medical imaging because it enables professionals to more accurately examine and understand the information offered by different imaging modalities. The technique of splitting a medical…

Image and Video Processing · Electrical Eng. & Systems 2024-09-01 Aitik Gupta , Joydip Dhar

This paper proposes a novel deep learning framework named bidirectional-convolutional long short term memory (Bi-CLSTM) network to automatically learn the spectral-spatial feature from hyperspectral images (HSIs). In the network, the issue…

Computer Vision and Pattern Recognition · Computer Science 2017-03-24 Qingshan Liu , Feng Zhou , Renlong Hang , Xiaotong Yuan

The speckle phenomenon remains a major hurdle for the analysis of SAR images. The development of speckle reduction methods closely follows methodological progress in the field of image restoration. The advent of deep neural networks has…

Image and Video Processing · Electrical Eng. & Systems 2021-01-29 Loïc Denis , Emanuele Dalsasso , Florence Tupin

Deep learning based on deep neural networks has been very successful in many practical applications, but it lacks enough theoretical understanding due to the network architectures and structures. In this paper we establish some analysis for…

Machine Learning · Computer Science 2024-01-03 Jianfei Li , Han Feng , Ding-Xuan Zhou

Multispectral images (e.g. visible and infrared) may be particularly useful when detecting objects with the same model in different environments (e.g. day/night outdoor scenes). To effectively use the different spectra, the main technical…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Heng Zhang , Elisa Fromont , Sébastien Lefevre , Bruno Avignon

Local spectral similarity (LSS) algorithm has been developed for detecting homogeneous areas and edges in hyperspectral images (HSIs). The proposed algorithm transforms the 3-D data cube (within a spatial window) into a spectral similarity…

Computer Vision and Pattern Recognition · Computer Science 2019-11-07 Anand S Sahadevan , Arundhati Misra , Praveen Gupta

The existing image feature extraction methods are primarily based on the content and structure information of images, and rarely consider the contextual semantic information. Regarding some types of images such as scenes and objects, the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Chiranjibi Sitaula , Yong Xiang , Anish Basnet , Sunil Aryal , Xuequan Lu

Hyperspectral imaging is a powerful bioimaging tool which can uncover novel insights, thanks to its sensitivity to the intrinsic properties of materials. However, this enhanced contrast comes at the cost of system complexity, constrained by…

Feature point detection and description is the backbone for various computer vision applications, such as Structure-from-Motion, visual SLAM, and visual place recognition. While learning-based methods have surpassed traditional handcrafted…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Ali Youssef , Francisco Vasconcelos

Hyperspectral image analysis has become an important topic widely researched by the remote sensing community. Classification and segmentation of such imagery help understand the underlying materials within a scanned scene, since…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Jakub Nalepa , Michal Myller , Yasuteru Imai , Ken-ichi Honda , Tomomi Takeda , Marek Antoniak

Hyperspectral sensors enable the study of the chemical properties of scene materials remotely for the purpose of identification, detection, and chemical composition analysis of objects in the environment. Hence, hyperspectral images…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Utsav B. Gewali , Sildomar T. Monteiro , Eli Saber

Data-efficient image classification is a challenging task that aims to solve image classification using small training data. Neural network-based deep learning methods are effective for image classification, but they typically require…

Neural and Evolutionary Computing · Computer Science 2022-12-05 Ying Bi , Bing Xue , Mengjie Zhang

Hyperspectral images (HSI) classification is a high technical remote sensing software. The purpose is to reproduce a thematic map . The HSI contains more than a hundred hyperspectral measures, as bands (or simply images), of the concerned…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

Deep learning-based hyperspectral image (HSI) classification and object detection techniques have gained significant attention due to their vital role in image content analysis, interpretation, and wider HSI applications. However, current…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Xiao He , Chang Tang , Xinwang Liu , Wei Zhang , Kun Sun , Jiangfeng Xu

Deep learning algorithms will play a key role in the upcoming runs of the Large Hadron Collider (LHC), helping bolster various fronts ranging from fast and accurate detector simulations to physics analysis probing possible deviations from…

High Energy Physics - Phenomenology · Physics 2024-09-13 Akanksha Bhardwaj , Partha Konar , Vishal S. Ngairangbam

Convolutional neural networks (CNNs) have been widely used for hyperspectral image classification. As a common process, small cubes are firstly cropped from the hyperspectral image and then fed into CNNs to extract spectral and spatial…

Image and Video Processing · Electrical Eng. & Systems 2020-06-15 Renlong Hang , Zhu Li , Qingshan Liu , Pedram Ghamisi , Shuvra S. Bhattacharyya

We describe a new algorithm for the "perfect" extraction of one-dimensional spectra from two-dimensional (2D) digital images of optical fiber spectrographs, based on accurate 2D forward modeling of the raw pixel data. The algorithm is…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 Adam S. Bolton , David J. Schlegel