Results 101 to 110 of about 2,518 (219)

Direct georeferencing and orthorectification of airborne digital images

, 2020
GPS/INS (Global Positioning System / Inertial Navigation System) bringspossibility of relaxing the demand for aerial triangulation in stereo modelconstruction and rectification. In this thesis a differential rectification algorithm isprogrammed with Matlab software for aerial frame camera images.
openaire   +1 more source

Improvement of Direct Georeferencing using Unmanned Aerial Vehicle Images Acquired at the Maritime

, 2019
Recently, UAV images have been used to monitor various marine accidents and environmental pollution, such as ship accidents, oil spill and red tide detection.
이임평, 유주형, 유형석, 김근용   +3 more
core  

Pixel‐level supervision resolves overlap: Benchmarking YOLOv12 segmentation for accurate multi‐cluster dry bean stand counting from time series unoccupied aerial systems imagery

The Plant Phenome Journal, Volume 9, Issue 1, December 2026.
Abstract An agronomic trait such as stand count is important for cultivar development and crop management practices. Manually counting the number of plants is time consuming, labor‐intensive, and prone to error. The use of unoccupied aerial systems (UAS)‐collected red, green, blue (RGB) imagery in conjunction with advanced deep learning and image ...
Aliasghar Bazrafkan, Valerio Hoyos‐Villegas   +1 more
wiley   +1 more source

UAV‐based deep transfer learning to improve grain yield prediction in winter wheat across temporal and spatial variability

The Plant Phenome Journal, Volume 9, Issue 1, December 2026.
Abstract Accurate prediction of grain yield (GY) remains a major challenge in plant breeding due to complex interactions between genotype, environment, and management (G × E × M) factors. Remote sensing data from unmanned aerial vehicles (UAVs) equipped with multispectral sensors have emerged as a pivotal resource for high‐throughput phenotyping.
Swas Kaushal, Mohammad Maruf Billah, Mandeep Singh, Dante Koupal, Pradeep Raj Sitaula, Jyotirmoy Halder, Jagdeep Sidhu, Maitiniyazi Maimaitijiang, Sunish K. Sehgal   +8 more
wiley   +1 more source

Phylogenetics of Clusia sect. Criuva (Clusiaceae) unveils a new species, reinstates an old name and clarifies sectional circumscription

TAXON, Volume 75, Issue 4, August 2026.
Abstract Clusia sect. Criuva has long been a taxonomic catch‐all, particularly in the final decades of the 20th century, when misapplications conflated eastern Brazilian taxa with species from the Guiana Shield. We combine herbarium‐based genome skimming, targeted fieldwork, and critical examination of historical literature and types to reassess ...
José E. do Nascimento Jr, Volker Bittrich, Maria do Carmo Estanislau do Amaral   +2 more
wiley   +1 more source

FlexCloud: Direct, Modular Georeferencing and Drift-Correction of Point Cloud Maps

Proceedings of the 11th International Conference on Vehicle Technology and Intelligent Transport Systems
Current software stacks for real-world applications of autonomous driving leverage map information to ensure reliable localization, path planning, and motion prediction. An important field of research is the generation of point cloud maps, referring to the topic of simultaneous localization and mapping (SLAM). As most recent developments do not include
Maximilian Leitenstern, Marko Alten, Christian Bolea-Schaser, Dominik Kulmer, Marcel Weinmann, Markus Lienkamp   +5 more
openaire   +2 more sources

Egg‐Carrying and Cheliceral Comb in Ibaloniinae Harvestmen From the Solomon Islands (Opiliones: Podoctidae)

Austral Entomology, Volume 65, Issue 3, August 2026.
ABSTRACT Four new species of Ibaloniinae harvestmen are described from the Solomon Islands, Melanesia. Based on the original diagnosis of Euibalonius Roewer, 1915, and description of E. maculatus (Roewer, 1915), this material appeared related to that genus. However, examination of syntype photographs of the type species E.
Adriano B. Kury, Glauco Machado, Bruno A. Buzatto, Esau Kekeubata, Miguel Medrano   +4 more
wiley   +1 more source

High-Performance Parallel Direct Georeferencing for Massive ULS LiDAR Measurements

Remote Sensing
The rapid increase in point density and acquisition rate of UAV laser scanning (ULS) systems has shifted the primary bottleneck of LiDAR workflows from data acquisition to post-processing, particularly during direct georeferencing of massive LiDAR ...
Mei Yu, Yuhao Zhou, Hua Liu, Bo Liu
doaj   +1 more source

Citizen‐Science Camera Trap Data Reveal Large‐Scale Activity Patterns of the Bobcat (Lynx rufus) Across Mexican Ecosystems

Ecology and Evolution, Volume 16, Issue 7, July 2026.
We evaluated whether citizen science–derived camera‐trap records can be used to characterize large‐scale activity patterns of a widely distributed mesocarnivore across heterogeneous landscapes. Using 821 independent iNaturalist records, we quantified activity across six major vegetation types in Mexico with kernel density estimation, circular ...
Luis A. Alanis‐Hernández, Amayrani E. Trejo‐Montero, Gerardo Sánchez‐Rojas, Jaime Manuel Calderón‐Patrón, Mario C. Lavariega, Juan Pablo Esparza‐Carlos, Luis Ignacio Íñiguez‐Dávalos   +6 more
wiley   +1 more source

Scrutinizing the Wallacean shortfall: global gaps in snake occurrence data across space and environment

Ecography, Volume 2026, Issue 7, July 2026.
Occurrence records are fundamental for ecological and evolutionary research, providing key information on species' geographic ranges. However, these records are often taxonomically, spatially, and temporally biased, requiring caution in their use. Here, we analysed the spatial coverage of occurrence records for over 3500 snake species worldwide to ...
Lívia Frateles, Cristina Ronquillo, Gabriel Nakamura, José Alexandre Felizola Diniz‐Filho, Richard James Ladle, Joaquín Hortal   +5 more
wiley   +1 more source