OOIR: Observatory of International Research

Papers

(The H4-Index of GIScience & Remote Sensing is 29. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-02-01 to 2025-02-01.)

Article	Citations
The use of multisource spatial data for determining the proliferation of stingless bees in Kenya	84
Upscaling aboveground biomass of larch (Larix olgensis Henry) plantations from field to satellite measurements: a comparison of individual tree-based and area-based approaches	72
Surface deformation extraction from small baseline subset synthetic aperture radar interferometry (SBAS-InSAR) using coherence-optimized baseline combinations	64
Trade-offs among productive-living-ecological lands for facilitating low-carbon and efficient cities: evidences in 30 major Chinese cities from 2015 to 2020	59
Evaluating expressway stability using interferometric synthetic aperture radar and measuring its impact on the occurrence of geohazards: a case study of Shanxi Province, China	57
Applicability of UAV-based optical imagery and classification algorithms for detecting pine wilt disease at different infection stages	51
Exact Voronoi diagram for topographic spatial analysis	51
Using object-based image analysis to detect laughing gull nests	48
Aboveground biomass estimates over Brazilian savannas using hyperspectral metrics and machine learning models: experiences with Hyperion/EO-1	47
Regression-based surface water fraction mapping using a synthetic spectral library for monitoring small water bodies	44
Seven-year variation in glacier surface velocity at Narsap Sermia in Southwest Greenland	43
Comparing tree structures derived among airborne, terrestrial and mobile LiDAR systems in urban parks	39
Mathematical vector framework for gravity-specific land surface curvatures calculation from triangulated irregular networks	38
A machine learning-based dynamic ensemble selection algorithm for microwave retrieval of surface soil freeze/thaw: A case study across China	38
Subtidal seagrass and blue carbon mapping at the regional scale: a cloud-native multi-temporal Earth Observation approach	36
Improving the accuracy of extant gridded population maps using multisource map fusion	35
Can Gross Primary Productivity Products be effectively evaluated in regions with few observation data?	35
Cell-level coupling of a mechanistic model to cellular automata for improving land simulation	34
A deep learning approach for automatic mapping of poplar plantations using Sentinel-2 imagery	34
Novel model for predicting individuals’ movements in dynamic regions of interest	33
Spatiotemporal patterns of planted forests on the Loess Plateau between 1986 and 2021 based on Landsat NDVI time-series analysis	33
Leveraging uncertainty estimation and spatial pyramid pooling for extracting hydrological features from scanned historical topographic maps	32
An evaluation of PlanetScope images for 3D reconstruction and change detection – experimental validations with case studies	32
Improving remote sensing estimation of Secchi disk depth for global lakes and reservoirs using machine learning methods	32
Multi-sensor and multi-platform consistency and interoperability between UAV, Planet CubeSat, Sentinel-2, and Landsat reflectance data	32

Objective evaluation-based efficient learning framework for hyperspectral image classification	31
A deep relearning method based on the recurrent neural network for land cover classification	31
Mapping invasive alien plant species with very high spatial resolution and multi-date satellite imagery using object-based and machine learning techniques: A comparative study	31
A comparative analysis of modeling approaches and canopy height-based data sources for mapping forest growing stock volume in a northern subtropical ecosystem of China	30
Identifying critical road sections using the weighted periodicity mined from trajectory data for efficient urban transportation	29
Seamless monitoring of marine heatwaves: capability of gap-filled, geostationary satellite sea surface temperature data	29
Comprehensive assessment of Spatiotemporal fusion methods in inland water monitoring	29