Results 41 to 50 of about 413,172 (344)

Using historical aerial photography for monitoring of environment changes: a case study of Bovan Lake, Eastern Serbia

Journal of Environmental Engineering and Landscape Management, 2021
Useful and important information for the spatial, ecological, and many other changes in the living environment may be obtained using the analysis of historical aerial photography, with comparison to contemporary imagery.
Saša Bakrač, Viktor Marković, Siniša Drobnjak, Dejan Đorđević, Nikola Stamenković   +4 more
doaj   +1 more source

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

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

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

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

Improved YOLOv5s Algorithm for Small Target Detection in UAV Aerial Photography

IEEE Access
UAV aerial photos tend to have complicated backgrounds and dense targets that vary in size. Applying existing object detection algorithms to such images is often inaccurate and prone to misdetection and omission.
Shixin Li, Chen Liu, Kaiwen Tang, Fanrun Meng, Zhiren Zhu, Liming Zhou, Fankai Chen   +6 more
semanticscholar   +1 more source

Major Trends in the Development of Aerial Photography Technology for Agricultural Lands

Сельскохозяйственные машины и технологии
Aerial photography has become an essential tool in agriculture; allowing farmers and agronomists to monitor the condition of agricultural land in real time. (Research purpose) This study aims to conduct a retrospective analysis of the evolution of aerial
R. K. Kurbanov, Yu. S. Tsench, N. I. Zakharova   +2 more
doaj   +1 more source