Results 41 to 50 of about 527,855 (388)

Adversarial Deep Learning-based Unauthorized Construction Site Recognition Using UAV-assisted Aerial Photography [PDF]

Jisuanji gongcheng, 2022
The detection method of unauthorized construction site is mainly to manually check the UAV-assisted aerial photography, leading to low detection accuracy, poor recognition performance and low work efficiency.This paper combines deep learning and UAV ...
GONG Faming, XU Chenxi, LI Juejin
doaj   +1 more source

Estimating Tree Height and Volume Using Unmanned Aerial Vehicle Photography and SfM Technology, with Verification of Result Accuracy

Drones, 2020
This study aimed to investigate the effects of differences in shooting and flight conditions for an unmanned aerial vehicle (UAV) on the processing method and estimated results of aerial images.
S. Kameyama, K. Sugiura
semanticscholar   +1 more source

Experience of using unmanned aerial photography systems for mapping the territory of the Russian Federation [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
The analysis of the methods of remote sensing of the Earth (remote sensing) used in mapping the territory of the Russian Federation (satellite imagery, aerial photography from manned and unmanned aerial vehicles - UAVs) is given.
S. Nekhin, A. Rubenok
doaj   +1 more source

Estimation of maize plant height and leaf area index dynamic using unmanned aerial vehicle with oblique and nadir photography.

Annals of Botany, 2020
BACKGROUND AND AIMS High throughput phenotyping is a limitation in plant genetics and breeding due to large-scale experiments in the field. Unmanned aerial vehicles (UAVs) can help to extract plant phenotypic traits rapidly and non-destructively with ...
Yingpu Che, Qing Wang, Ziwen Xie, Long Zhou, Shuangwei Li, Fang Hui, Xiqing Wang, B. Li, Yuntao Ma   +8 more
semanticscholar   +1 more source

Integration and differentiation: comparison of photography behaviors using unmanned aerial vehicle data in China and Europe

Humanities & Social Sciences Communications, 2023
The continuous improvement in the design and manufacture of unmanned aerial vehicles (UAVs) has enabled them to assist humans in aerial tasks. At present, UAVs are not only used for environmental data collection, but also used by photographers to take ...
Xiliang Chen, Gang Li, Muhammad Sajid Mehmood, Qifan Nie, Jie Yu   +4 more
doaj   +1 more source

Documentation of landslides and inaccessible parts of a mine using an unmanned uav system and methods of digital terrestrial photogrammetry [PDF]

, 2015
Quite a big boom has recently been experienced in the technology of unmanned aerial vehicles (UAV). In conjunction with dense matching system, it gives one a powerful tool for the creation of digital terrain models and orthophotomaps.
Jiránková, Eva, Kapica, Roman, Struś, Adam, Vrublová, Dana   +3 more
core   +1 more source

PHSI-RTDETR: A Lightweight Infrared Small Target Detection Algorithm Based on UAV Aerial Photography

Drones
To address the issues of low model accuracy caused by complex ground environments and uneven target scales and high computational complexity in unmanned aerial vehicle (UAV) aerial infrared image target detection, this study proposes a lightweight UAV ...
Sen Wang, Huiping Jiang, Zhongjie Li, Jixiang Yang, Xuan Ma, Jiamin Chen, Xingqun Tang   +6 more
semanticscholar   +1 more source

HSP-YOLOv8: UAV Aerial Photography Small Target Detection Algorithm

Drones
To address the larger numbers of small objects and the issues of occlusion and clustering in UAV aerial photography, which can lead to false positives and missed detections, we propose an improved small object detection algorithm for UAV aerial scenarios
Heng Zhang, Wei Sun, Changhao Sun, Ruofei He, Yumeng Zhang   +4 more
semanticscholar   +1 more source

PEMBUATAN PETA GEOSPASIAL MELALUI PEMETAAN UDARA PADA KELURAHAN BATU BERSURAT, KECAMATAN XIII KOTO KAMPAR, KABUPATEN KAMPAR, PROVINSI RIAU

Dinamisia, 2019
One of the most commonly used geospatial mapping methods is photogrammetry (aerial mapping). Photogrammetry is a method of mapping objects on the surface of the earth by using aerial photography as a medium.
Feblil Huda, Kaspul Anuar, Syafri Syafri, Anita Susilawati   +3 more
doaj   +1 more source

An improved golden jackal optimization for multilevel thresholding image segmentation.

PLoS ONE, 2023
Aerial photography is a long-range, non-contact method of target detection technology that enables qualitative or quantitative analysis of the target.
Zihao Wang, Yuanbin Mo, Mingyue Cui, Jufeng Hu, Yucheng Lyu   +4 more
doaj   +1 more source