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ISPRS International Journal of Geo-Information, Volume 15, Issue 2

2026 February - 41 articles

Cover Story: To support targeted forest management, this study clarifies how spatial metrics relate to forest scenic beauty across viewing distance zones in Ino Town, Japan. Scenic beauty values were computed at 14,891 road-based viewpoints using eye-level landscape metrics, and spatial metrics were then quantified within three viewing distance zones: near (0–400 m), middle (400 m–2.5 km), and far (2.5–5 km). Zone-stratified regressions showed that near-zone features exert the strongest influence overall, while the direction and strength of individual metric–beauty relationships shift across zones. Clustering identified four recurring landscape patterns, informing distance- and pattern-specific priorities for forest management and visual quality enhancement. View this paper
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Articles (41)

  • Article
  • Open Access
325 Views
21 Pages

This paper proposes a building reconstruction framework for airborne LiDAR data to address the challenge of automated modeling under conditions of uneven point cloud density and missing vertical walls, generating high-precision and structurally compa...

  • Article
  • Open Access
358 Views
26 Pages

Visual perception serves as a crucial interface connecting human psychology with the built environment. However, current studies on urban riverscapes often rely on static 2D imagery, failing to capture the spatial depth and immersive experience essen...

  • Article
  • Open Access
344 Views
23 Pages

Vegetation Greenness Changes in Northeast China Dominated by Climate Change and Ecological Restoration

  • Cui Jin,
  • Xiuling Wang,
  • Zeyu Zhang,
  • Linze Li,
  • Haoran Wang,
  • Gaoyu Li and
  • Hongyan Cai

Vegetation in Northeast China has undergone complex changes under the dual pressures of climate change and human activities. Quantifying long-term vegetation dynamics and identifying their key drivers are critical for regional sustainability, ecologi...

  • Article
  • Open Access
267 Views
29 Pages

This study constructs a global transportation carbon emission spatial correlation network via a modified gravity model and explores its evolutionary characteristics and dynamic mechanisms by integrating three-dimensional evolutionary analysis (node,...

  • Article
  • Open Access
544 Views
26 Pages

There has been substantial debate regarding the consequences of overtourism in cities. Scholars have also examined variables that are directly and indirectly related to tourism, including demography, urban rehabilitation and requalification, gentrifi...

  • Article
  • Open Access
332 Views
24 Pages

Semantic interoperability remains a critical challenge in Spatial Data Infrastructures (SDIs), particularly when aligning authoritative taxonomies with collaborative folksonomies. Traditional alignment tools often fail to bridge the semantic and stru...

  • Article
  • Open Access
305 Views
19 Pages

Quantifying the Spatial Burden of Informal Ride Provision for Older Adults Using Activity Space Analysis and GIS

  • Rebecca L. Mauldin,
  • Stephen P. Mattingly,
  • Soeun Jang,
  • Swasati Handique,
  • Mahshid Haque and
  • Rupal Parekh

Older adults’ well-being is strongly shaped by their capacity to navigate and access places beyond their immediate surroundings. Lack of adequate transportation can limit their access to health care, services, and social opportunities. For olde...

  • Article
  • Open Access
497 Views
22 Pages

VGGT-Geo: Probabilistic Geometric Fusion of Visual Geometry Grounded Transformer Priors for Robust Dense Indoor SLAM

  • Kai Qin,
  • Jing Li,
  • Sisi Zlatanova,
  • Haitao Wu,
  • Hao Wu,
  • Yin Gao,
  • Dingjie Zhou,
  • Yuchen Li,
  • Sizhe Shen and
  • Shicheng Xu
  • + 3 authors

With the rapid evolution of Digital Twins and Embodied AI, achieving fast, dense, and high-precision 3D perception in unknown environments has become paramount. However, existing Visual SLAM paradigms face a critical dilemma: geometry-based methods o...

  • Article
  • Open Access
214 Views
20 Pages

The deployment volume of urban surveillance cameras has reached hundreds of thousands or even millions with the advancement of intelligent transportation systems (ITSs), indicating an enormous scale. However, the number of small-field-of-view surveil...

  • Article
  • Open Access
296 Views
34 Pages

With the deepening of population ageing, the spatial planning of an elderly care service system faces unprecedented challenges. Building an elderly care service network that aligns with the pace of population ageing has become increasingly important...

  • Article
  • Open Access
325 Views
28 Pages

How Well Do Current Geoportals Support Geodata Discovery? An Empirical Study

  • Susanna Ankama,
  • Auriol Degbelo,
  • Erich Naoseb,
  • Christin Henzen and
  • Lars Bernard

Implementing effective geospatial data discovery mechanisms in geoportals is crucial for facilitating easy access to geospatial data and services. Despite existing efforts to formulate geoportal design requirements, understanding end-user issues beyo...

  • Article
  • Open Access
335 Views
26 Pages

Semi-Automated Reporting from Environmental Monitoring Data Using a Large Language Model-Based Chatbot

  • Angelica Lo Duca,
  • Rosa Lo Duca,
  • Arianna Marinelli,
  • Donatella Occhiuto and
  • Alessandra Scariot

Producing high-quality analytical reports for the environmental domain is typically time-consuming and requires significant human expertise. This paper describes MeteoChat, a semi-automatic framework for efficiently generating specialized environment...

  • Article
  • Open Access
322 Views
18 Pages

Contingency epidemic outbreaks, such as the novel coronavirus (COVID-19) pandemic in 2020, have underscored the vital function of public health emergency response systems within national strategic frameworks. Public health surveillance and early warn...

  • Article
  • Open Access
317 Views
24 Pages

Exploring future habitat quality changes in the Mid-Section of the Tianshan Mountains (MSTM) is crucial for regional biodiversity conservation. This study utilizes climate projection data from CMIP6 and integrates the SD-PLUS-InVEST analytical framew...

  • Article
  • Open Access
365 Views
28 Pages

General-purpose large language models excel at open-domain question answering, but in railway operation and maintenance (O&M) scenarios they still suffer from hallucinated knowledge and poor domain adaptation. In practice, railway O&M knowled...

  • Article
  • Open Access
262 Views
30 Pages

Cropland non-agriculturalization (CNA) threatens food security, ecosystem services, and sustainable development amid accelerating global urbanization. However, existing monitoring methods are often retrospective and lack adequate spatial and temporal...

  • Article
  • Open Access
301 Views
21 Pages

Location Prediction of Urban Fire Station Based on GMM Clustering and Machine Learning

  • Xiaomin Lu,
  • Lijuan Wang,
  • Haowen Yan,
  • Haoran Song,
  • Yan Wang,
  • Zhiyi Zhang and
  • Na He

Most machine learning (ML)-based facility location studies utilize uniform grid partitioning, often overlooking spatial heterogeneity. This limitation can compromise the validity and practical applicability of the resulting site selections. In respon...

  • Review
  • Open Access
463 Views
25 Pages

Despite advancements in navigation apps for wheelchair users, there is no consensus on which environmental factors to prioritize for personalized accessible routes. This scoping review synthesizes factors influencing wheelchair mobility in urban sett...

  • Article
  • Open Access
296 Views
21 Pages

Background: Research on spatial imagery as perceived by humans is an important frontier for deepening the theoretical understanding of Tourism Destination Image and promoting sustainable urban development. Significance: This study, from the perspecti...

  • Article
  • Open Access
368 Views
23 Pages

Spatial analyses of built-up areas based on aggregated land cover data are inherently affected by the Modifiable Areal Unit Problem (MAUP). This study quantifies the influence of the data scale and the areal unit configuration on Lorenz-based measure...

  • Article
  • Open Access
359 Views
27 Pages

This paper exposes the latent but potent role of seemingly hidden spatial autocorrelation (SA) in all geographic theories, highlighting that it is everywhere, matters, and is a fundamental property of geotagged phenomena. This narrative examines and...

  • Article
  • Open Access
442 Views
16 Pages

The conventional Two-Step Floating Catchment Area (2SFCA) method treats large-scale facilities as single centroids, leading to systematic under- and overestimation of spatial accessibility measures. To address this limitation, this study proposes a G...

  • Article
  • Open Access
270 Views
23 Pages

Transportation infrastructure is vital for sustaining communities and fostering economic development. Urbanization and climate change have led to the rapid deterioration of road transport systems, posing significant challenges for future sustainabili...

  • Article
  • Open Access
330 Views
24 Pages

Modern geo-information platforms commonly adopt multi-window map interfaces that integrate heterogeneous data, such as dynamic maps and live camera feeds. These interfaces impose high cognitive load and slow spatial event detection. Operators must ra...

  • Article
  • Open Access
687 Views
22 Pages

High-Definition (HD) Maps have become a cornerstone of autonomous vehicle (AV) technology, enabling precise localization, perception, and decision-making. Despite their increasing prominence in the automotive and geospatial industries, HD Maps remain...

  • Article
  • Open Access
385 Views
30 Pages

Duckweed/algal bloom-type black–odorous waters (DAWs) exhibit composite optical properties of vegetation and pollution, posing intractable remote sensing identification challenges in complex environments. Current methods suffer from three criti...

  • Article
  • Open Access
778 Views
25 Pages

Day–Night All-Sky Scene Classification with an Attention-Enhanced EfficientNet

  • Wuttichai Boonpook,
  • Peerapong Torteeka,
  • Kritanai Torsri,
  • Daroonwan Kamthonkiat,
  • Yumin Tan,
  • Asamaporn Sitthi,
  • Patcharin Kamsing,
  • Chomchanok Arunplod,
  • Utane Sawangwit and
  • Kijnaphat Suksod
  • + 1 author

All-sky cameras provide continuous hemispherical observations essential for atmospheric monitoring and observatory operations; however, automated classification of sky conditions in tropical environments remains challenging due to strong illumination...

  • Article
  • Open Access
273 Views
18 Pages

CAE-RBNN: An Uncertainty-Aware Model of Island NDVI Prediction

  • Zheng Xiang,
  • Cunjin Xue,
  • Ziyue Ma,
  • Qingrui Liu and
  • Zhi Li

The unique geographical isolation and climate sensitivity of island ecosystems make them valuable for ecological research. The Normalized Difference Vegetation Index (NDVI) is an important indicator when monitoring and evaluating these systems, and i...

  • Article
  • Open Access
553 Views
18 Pages

To develop targeted forest management strategies, management staff must understand the statistical relationships between forest aesthetic values and landscape metrics across specified distance ranges. However, as the existing studies based on distanc...

  • Article
  • Open Access
548 Views
29 Pages

Ensuring equitable and inclusive access to children’s extracurricular activity facilities represents a profound manifestation of educational equity and is crucial for promoting children’s holistic development and societal sustainability....

  • Article
  • Open Access
495 Views
21 Pages

Street layout has a significant effect on accessibility and intelligibility, which ultimately affects navigation and movement efficiency. While previous research has examined planned and unplanned street patterns, most studies focus on single-scale a...

  • Article
  • Open Access
415 Views
21 Pages

To enhance the autonomous navigation capability of intelligent agents in complex environments, this paper presents a visual localization algorithm for dynamic scenes that leverages multi-source information fusion. The proposed approach is built upon...

  • Article
  • Open Access
406 Views
24 Pages

Efficient level-of-detail (LOD) management is crucial for handling large-scale 3D meshes in BIM, GIS, and digital twin applications. In practice, both individual models and complex multi-mesh scenes require multi-resolution representations. Yet two p...

  • Article
  • Open Access
437 Views
19 Pages

The growing availability of spatial data from remote sensing, laser scanning (LiDAR), and photogrammetric techniques stimulates the dynamic development of methods for the automatic detection and classification of topographic objects. In recent years,...

  • Article
  • Open Access
519 Views
23 Pages

Kazakhstan, located in Central Asia, is experiencing faster warming than the global trend, making it an important region regarding the study of how climate change is affecting climatic zones. This research aims to identify projected shifts in Kö...

  • Article
  • Open Access
410 Views
25 Pages

Activity space represents the spatiotemporal interaction between individuals and their environment. While most studies measure potential activity space using short-term data, few have defined or measured its actual internal structure. This study intr...

  • Article
  • Open Access
450 Views
19 Pages

The urban physical environment is composed of multiple elements that collectively influence the spatial pattern of crime. Existing research has predominantly focused on the relationship between individual types of facilities and crime, yet there rema...

  • Article
  • Open Access
590 Views
22 Pages

This study presents a robust framework for optimizing the site selection of Electric Vehicle Charging Stations (EVCS) in Qatar by integrating a Geographic Information System (GIS) with a Multi-Criteria Decision-Making (MCDM) model. The core innovatio...

  • Article
  • Open Access
341 Views
16 Pages

This article discusses public transport fare evasion from the point of view of the relations between inspection actions and detected evasion, with the aim of improving the efficacy of the former. By applying spatial statistics methods to a large data...

  • Article
  • Open Access
443 Views
30 Pages

GNN approaches to property valuation typically rely on spatial proximity, assuming that nearby properties exhibit similar price patterns. In practice, this assumption often fails as neighborhood and administrative boundaries create sharp price discon...

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ISPRS Int. J. Geo-Inf. - ISSN 2220-9964