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3,378 Results Found

  • Article
  • Open Access
20 Citations
8,968 Views
24 Pages

Spatial Representation of Coastal Risk: A Fuzzy Approach to Deal with Uncertainty

  • Amaneh Jadidi,
  • Mir Abolfazl Mostafavi,
  • Yvan Bédard and
  • Kyarash Shahriari

26 August 2014

Spatial information for coastal risk assessment is inherently uncertain. This uncertainty may be due to different spatial and temporal components of geospatial data and to their semantics. The spatial uncertainty can be expressed either quantitative...

  • Article
  • Open Access
11 Citations
7,005 Views
20 Pages

Metaphors are rhetorical devices in linguistics that facilitate the understanding of an unfamiliar concept based on a familiar concept. Map representations are usually referred to as the second language of geo-science studies, and the metaphor method...

  • Article
  • Open Access
58 Citations
4,687 Views
18 Pages

4 March 2019

At present, nonparametric subspace classifiers, such as collaborative representation-based classification (CRC) and sparse representation-based classification (SRC), are widely used in many pattern-classification and -recognition tasks. Meanwhile, th...

  • Article
  • Open Access
27 Citations
8,556 Views
22 Pages

17 April 2021

Students often have difficulty understanding abstract concepts in chemistry and a low spatial ability, especially in visualizing intermolecular interactions at the submicroscopic level. Therefore, this study aims to analyze the spatial ability of stu...

  • Article
  • Open Access
5 Citations
3,478 Views
16 Pages

This paper focusses on the analysis of female political participation in the decision-making processes at the local level. We analyse women’s descriptive representation in Czechia on a very detailed spatial structure and an extended yearly time...

  • Article
  • Open Access
1 Citations
3,540 Views
18 Pages

1 November 2020

In the past few years, the sparse representation (SR) graph-based semi-supervised learning (SSL) has drawn a lot of attention for its impressive performance in hyperspectral image classification with small numbers of training samples. Among these met...

  • Article
  • Open Access
41 Citations
5,706 Views
16 Pages

3 July 2019

Hyperspectral imagery contains abundant spectral information. Each band contains some specific characteristics closely related to target objects. Therefore, using these characteristics, hyperspectral imagery can be used for anomaly detection. Recentl...

  • Article
  • Open Access
26 Citations
8,400 Views
19 Pages

9 January 2017

Restricted by technical and budget constraints, hyperspectral images (HSIs) are usually obtained with low spatial resolution. In order to improve the spatial resolution of a given hyperspectral image, a new spatial and spectral image fusion approach...

  • Feature Paper
  • Article
  • Open Access
7 Citations
7,430 Views
30 Pages

13 March 2019

Ticks are responsible for the largest number of transmissions of vector-borne diseases in the northern hemisphere, which makes the risk from tick bites a serious public health problem. Biological scientific research and prevention studies are importa...

  • Article
  • Open Access
28 Citations
4,220 Views
21 Pages

17 July 2022

Knowledge tracing (KT) serves as a primary part of intelligent education systems. Most current KTs either rely on expert judgments or only exploit a single network structure, which affects the full expression of learning features. To adequately mine...

  • Article
  • Open Access
2 Citations
4,617 Views
26 Pages

The tremendous advance in information technology has promoted the rapid development of location-based services (LBSs), which play an indispensable role in people’s daily lives. Compared with a traditional LBS based on Point-Of-Interest (POI), w...

  • Article
  • Open Access
16 Citations
4,669 Views
19 Pages

24 May 2018

Spectral-spatial classification has been widely applied for remote sensing applications, especially for hyperspectral imagery. Traditional methods mainly focus on local spatial similarity and neglect nonlocal spatial similarity. Recently, nonlocal se...

  • Feature Paper
  • Article
  • Open Access
9 Citations
4,356 Views
22 Pages

Spatial Representation of GPR Data—Accuracy of Asphalt Layers Thickness Mapping

  • Šime Bezina,
  • Ivica Stančerić,
  • Josipa Domitrović and
  • Tatjana Rukavina

25 February 2021

Information on pavement layer thickness is very important for determining bearing capacity, estimating remaining life and strengthening planning. Ground-penetrating radar (GPR) is a nondestructive testing (NDT) method used for determining the continu...

  • Article
  • Open Access
2 Citations
2,382 Views
12 Pages

10 February 2022

Precise and timely classification of land cover types plays an important role in land resources planning and management. In this paper, nine kinds of land cover types in the acquired hyperspectral scene are classified based on the kernel collaborativ...

  • Article
  • Open Access
3 Citations
2,169 Views
25 Pages

The continuous changes in Land Use and Land Cover (LULC) produce a significant impact on environmental factors. Highly accurate monitoring and updating of land cover information is essential for environmental protection, sustainable development, and...

  • Article
  • Open Access
6 Citations
2,533 Views
27 Pages

27 March 2024

Tourism destinations are cultural heritage and spatial landscape systems of organic coexistence between humans and the Earth, and are formed through the long historical evolution of a specific geographical environment. With the development of large-s...

  • Article
  • Open Access
1,036 Views
18 Pages

25 September 2025

Spatial representation is a core element of spatial cognition in orienteering, but the visual-spatial neural modulation mechanisms underlying spatial representations with differently oriented maps have not yet been systematically elucidated. This stu...

  • Article
  • Open Access
848 Views
15 Pages

1 October 2025

Transformer-based 2D-to-3D lifting methods have demonstrated outstanding performance in 3D human pose estimation from 2D pose sequences. However, they still encounter challenges with the relatively poor quality of 2D joints and substantial computatio...

  • Article
  • Open Access
18 Citations
5,739 Views
20 Pages

Impervious surfaces have been widely recognized as an indicator for urbanization and environment monitoring. Plenty of methods have been proposed to extract impervious surfaces using remote sensing images. However, accurately extracting impervious su...

  • Article
  • Open Access
2,401 Views
36 Pages

25 May 2025

In late imperial China, a type of painting known as “panoramic maps” (shengjing tu 聖境圖, literally “sacred realm maps”) depicted Buddhist sacred sites. Often surviving as woodblock prints, examples from Mou...

  • Article
  • Open Access
13 Citations
4,251 Views
16 Pages

27 July 2021

The effectiveness of a machine learning model is impacted by the data representation used. Consequently, it is crucial to investigate robust representations for efficient machine learning methods. In this paper, we explore the link between data repre...

  • Article
  • Open Access
6 Citations
6,081 Views
15 Pages

25 February 2016

Sparse climatic observations represent a major challenge for hydrological modeling of mountain catchments with implications for decision-making in water resources management. Employing elevation bands in the Soil and Water Assessment Tool-Sequential...

  • Review
  • Open Access
877 Views
23 Pages

23 September 2025

Socialized services for rural characteristic industries are becoming a key support for promoting rural industries’ transformation and upgrading. They are permeating the development process of modern agricultural service technologies, achieving...

  • Article
  • Open Access
55 Views
20 Pages

21 January 2026

Previous research on subway stations has emphasized indexicality, functionality, comfort, aesthetics, etc., while cultural representation has been neglected. Notably, however, cultural representations in subway stations shape the city image and affec...

  • Feature Paper
  • Article
  • Open Access
3 Citations
2,552 Views
18 Pages

Butterfly Transforms for Efficient Representation of Spatially Variant Point Spread Functions in Bayesian Imaging

  • Vincent Eberle,
  • Philipp Frank,
  • Julia Stadler,
  • Silvan Streit and
  • Torsten Enßlin

13 April 2023

Bayesian imaging algorithms are becoming increasingly important in, e.g., astronomy, medicine and biology. Given that many of these algorithms compute iterative solutions to high-dimensional inverse problems, the efficiency and accuracy of the instru...

  • Proceeding Paper
  • Open Access
3 Citations
1,838 Views
10 Pages

Bayesian imaging algorithms are becoming increasingly important in, e.g., astronomy, medicine and biology. Given that many of these algorithms compute iterative solutions to high-dimensional inverse problems, the efficiency and accuracy of the instru...

  • Article
  • Open Access
2 Citations
2,972 Views
7 Pages

Music occupies a unique and multi-faceted role in spatial representation of the Holocaust, both in terms of documenting its horrors and in cultivating legacy. This uniqueness derives from music’s dual temporal and physical essence as it is repr...

  • Article
  • Open Access
16 Citations
3,127 Views
20 Pages

Enhancing Spatial Variability Representation of Radar Nowcasting with Generative Adversarial Networks

  • Aofan Gong,
  • Ruidong Li,
  • Baoxiang Pan,
  • Haonan Chen,
  • Guangheng Ni and
  • Mingxuan Chen

28 June 2023

Weather radar plays an important role in accurate weather monitoring and modern weather forecasting, as it can provide timely and refined weather forecasts for the public and for decision makers. Deep learning has been applied in radar nowcasting tas...

  • Article
  • Open Access
1 Citations
2,078 Views
14 Pages

This study introduces a spatial encoder network designed to estimate sand size distribution from optical images of sediments. The model achieves sufficient network capacity by stacking two-dimensional convolution-based encoder blocks to learn the spa...

  • Article
  • Open Access
1,181 Views
22 Pages

Res-LK-SLR: A Residual Network Based on Large Kernels and Shapelet-Level Representations for Spatial Infrared Spot Target Discrimination

  • Huiying Liu,
  • Jiarong Wang,
  • Weijun Zhong,
  • Haitao Nie,
  • Xiaotong Deng,
  • Jiaqi Sun,
  • Ming Zhu and
  • Ming Wei

10 December 2024

Spatial infrared spot target (SIST) discrimination based on infrared radiation sequences (IRSs) can be considered a univariate trending time series classification task. However, due to the complexity of actual scenarios and the limited opportunities...

  • Article
  • Open Access
3 Citations
2,005 Views
19 Pages

Hyperspectral Image Classification Using Geodesic Spatial–Spectral Collaborative Representation

  • Guifeng Zheng,
  • Xuanrui Xiong,
  • Ying Li,
  • Juan Xi,
  • Tengfei Li and
  • Amr Tolba

7 September 2023

With the continuous advancement of remote sensing technology, the information encapsulated within hyperspectral images has become increasingly enriched. The effective and comprehensive utilization of spatial and spectral information to achieve the ac...

  • Article
  • Open Access
14 Citations
3,900 Views
15 Pages

5 March 2020

DASH (Dynamic Adaptive Streaming over HTTP (HyperText Transfer Protocol)) as a universal unified multimedia streaming standard selects the appropriate video bitrate to improve the user’s Quality of Experience (QoE) according to network conditio...

  • Article
  • Open Access
7 Citations
2,719 Views
13 Pages

21 September 2022

Humans tend to misrepresent spatial information which leads to systematic errors due to distorted organizational processes regarding metric and positional judgments. This study is aimed at analyzing metric and positional distortions in cognitive maps...

  • Article
  • Open Access
48 Citations
5,349 Views
23 Pages

A Novel Discriminating and Relative Global Spatial Image Representation with Applications in CBIR

  • Bushra Zafar,
  • Rehan Ashraf,
  • Nouman Ali,
  • Muhammad Kashif Iqbal,
  • Muhammad Sajid,
  • Saadat Hanif Dar and
  • Naeem Iqbal Ratyal

14 November 2018

The requirement for effective image search, which motivates the use of Content-Based Image Retrieval (CBIR) and the search of similar multimedia contents on the basis of user query, remains an open research problem for computer vision applications. T...

  • Article
  • Open Access
3 Citations
1,133 Views
14 Pages

13 August 2025

Hyperspectral image (HSI) clustering has attracted significant attention due to its broad applications in agricultural monitoring, environmental protection, and other fields. However, the integration of high-dimensional spectral and spatial informati...

  • Article
  • Open Access
19 Citations
4,568 Views
19 Pages

This paper presents a spatial-spectral method for hyperspectral image classification in the regularization framework of kernel sparse representation. First, two spatial-spectral constraint terms are appended to the sparse recovery model of kernel spa...

  • Article
  • Open Access
9 Citations
6,102 Views
21 Pages

4 August 2016

Recently, sparse representation has yielded successful results in hyperspectral image (HSI) classification. In the sparse representation-based classifiers (SRCs), a more discriminative representation that preserves the spectral-spatial information ca...

  • Article
  • Open Access
2,847 Views
17 Pages

23 December 2021

The Congo Basin, being one of the major basins in the tropics, is important to the global climate, yet its hydrology is perhaps the least understood. Although various reanalysis/analysis datasets have been used to improve our understanding of the bas...

  • Article
  • Open Access
37 Citations
7,179 Views
20 Pages

31 May 2017

In this paper, a new method is presented for spatial resolution enhancement of hyperspectral images (HSI) using spectral unmixing and a Bayesian sparse representation. The proposed method combines the high spectral resolution from the HSI with the hi...

  • Article
  • Open Access
2 Citations
2,127 Views
21 Pages

25 July 2022

Due to the inability of convolutional neural networks to effectively obtain long-range information, a transformer was recently introduced into the field of pansharpening to obtain global dependencies. However, a transformer does not pay enough attent...

  • Article
  • Open Access
37 Citations
4,954 Views
17 Pages

Superpixel based Feature Specific Sparse Representation for Spectral-Spatial Classification of Hyperspectral Images

  • He Sun,
  • Jinchang Ren,
  • Huimin Zhao,
  • Yijun Yan,
  • Jaime Zabalza and
  • Stephen Marshall

5 March 2019

To improve the performance of the sparse representation classification (SRC), we propose a superpixel-based feature specific sparse representation framework (SPFS-SRC) for spectral-spatial classification of hyperspectral images (HSI) at superpixel le...

  • Article
  • Open Access
1 Citations
788 Views
20 Pages

8 September 2025

Contextual features play a critical role in geospatial object detection by characterizing the surrounding environment of objects. In existing deep learning-based studies of 3D point cloud classification and segmentation, these features have been repr...

  • Article
  • Open Access
1 Citations
1,758 Views
19 Pages

6 July 2023

In response to problems concerning the low autonomous localization accuracy of mobile robots in unknown environments and large cumulative errors due to long time running, a spatial location representation method incorporating boundary information (SL...

  • Article
  • Open Access
3 Citations
3,403 Views
32 Pages

25 August 2022

The enormous amount of data that are generated by hyperspectral remote sensing images (HSI) combined with the spatial channel’s limited and fragile bandwidth creates serious transmission, storage, and application challenges. HSI reconstruction...

  • Article
  • Open Access
1,143 Views
21 Pages

Spatial Proximity Relations-Driven Semantic Representation for Geospatial Entity Categories

  • Yongbin Tan,
  • Hong Wang,
  • Rongfeng Cai,
  • Lingling Gao,
  • Zhonghai Yu and
  • Xin Li

Unsupervised representation learning can train deep learning models to formally express the semantic connotations of objects in the case of unlabeled data, which can effectively realize the expression of the semantics of geospatial entity categories...

  • Article
  • Open Access
6 Citations
3,326 Views
12 Pages

The Neural Bases of Egocentric Spatial Representation for Extracorporeal and Corporeal Tasks: An fMRI Study

  • Stephanie Leplaideur,
  • Annelise Moulinet-Raillon,
  • Quentin Duché,
  • Lucie Chochina,
  • Karim Jamal,
  • Jean-Christophe Ferré,
  • Elise Bannier and
  • Isabelle Bonan

(1) Background: Humans use reference frames to elaborate the spatial representations needed for all space-oriented behaviors such as postural control, walking, or grasping. We investigated the neural bases of two egocentric tasks: the extracorporeal...

  • Article
  • Open Access
9 Citations
3,173 Views
21 Pages

The unavailability and fragmentation of spatial data are challenges in creating realistic representations of objects and environments in the real world, especially indoors. Among the numerous methods for representing indoor space, the existing resear...

  • Article
  • Open Access
8 Citations
3,660 Views
21 Pages

30 January 2021

Visible and infrared imaging spectroscopy have greatly revolutionized our understanding of the diversity of minerals on Mars. Characterizing the mineral distribution on Mars is essential for understanding its geologic evolution and past habitability....

  • Article
  • Open Access
28 Citations
7,536 Views
21 Pages

The literature on environmental walkability to date has mainly focused on walking and related health outcomes. While previous studies suggest associations between walking and spatial knowledge, the associations between environmental walkability and s...

  • Article
  • Open Access
1 Citations
1,000 Views
17 Pages

5 September 2025

This study addresses the impact of pandemics, economic limitations, and physical constraints on physical pilgrimage by proposing and evaluating a culturally sensitive, ritual-oriented virtual Boudhanath Stupa environment. Using user-centered design (...

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