Zobrazeno 1 - 10
of 767
pro vyhledávání: '"UAV remote sensing"'
Publikováno v:
Ecological Indicators, Vol 167, Iss , Pp 112645- (2024)
Urban green space (UGS) monitoring is significant in optimizing urban planning, protecting the ecological environment, and improving residents’ quality of life. However, in urban environments, shadow interference and the emergence of new constructi
Externí odkaz:
https://doaj.org/article/dd32c294cd22459f8089f85db1dd7f68
Publikováno v:
Ecological Indicators, Vol 166, Iss , Pp 112516- (2024)
Sparse vegetation is a key factor in maintaining the health and sustainability of oasis ecosystems under extreme drought conditions. Combining the advantages of both satellites and drones, using image processing and machine learning technology, it ca
Externí odkaz:
https://doaj.org/article/2cc0c3587ca644a49c91e2a59a89b84e
Publikováno v:
Jisuanji kexue yu tansuo, Vol 18, Iss 5, Pp 1301-1317 (2024)
To solve the large proportion of small targets and complex background in UAV (unmanned aerial vehicle) aerial image, the current object detection model has the problems of low accuracy and missed detection of small targets. Based on the YOLOv8s model
Externí odkaz:
https://doaj.org/article/b62fb837d0d14d3ab3811dcba1036f88
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 132, Iss , Pp 104052- (2024)
Accurate and non-destructive estimation of leaf chlorophyll content (LCC) is crucial for optimizing cotton production. This study enhances the SCOPE model by integrating unmanned aerial vehicle (UAV)-derived multispectral data with leaf area index (L
Externí odkaz:
https://doaj.org/article/f19eeaa9b2df4ff193aaacc1cebfe9da
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 16744-16754 (2024)
In recent years, UAV object tracking has provided technical support across various fields. Most existing work relies on convolutional neural networks (CNNs) or visual transformers. However, CNNs have limited receptive fields, resulting in suboptimal
Externí odkaz:
https://doaj.org/article/e48b5f825e3148b79175f327d4c9a43e
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 16041-16050 (2024)
Wide-range multiscale object detection for multispectral scene perception from a drone perspective is challenging. Previous RGB-T perception methods directly use backbone pretrained on RGB for thermal infrared feature extraction, leading to unexpecte
Externí odkaz:
https://doaj.org/article/bf1b8e5e33d948039c20deb46e22562f
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 829-841 (2024)
Currently, numerous studies have reported that the invasion of Cassytha filiformis has affected both above and below ground communities, resulting in difficulties in the growth of original vegetation. Meanwhile, Cassytha filiformis was observed on th
Externí odkaz:
https://doaj.org/article/bfde66a6808643e98f1fb6836892b2df
Autor:
Xinwei Li, Xiangxiang Su, Jun Li, Sumera Anwar, Xueqing Zhu, Qiang Ma, Wenhui Wang, Jikai Liu
Publikováno v:
Agriculture, Vol 14, Iss 10, p 1797 (2024)
Plant nitrogen concentration (PNC) is a key indicator reflecting the growth and development status of plants. The timely and accurate monitoring of plant PNC is of great significance for the refined management of crop nutrition in the field. The rapi
Externí odkaz:
https://doaj.org/article/fe7ead8196df49a8ad88dd400c73086a
Publikováno v:
Agronomy, Vol 14, Iss 10, p 2389 (2024)
Breeding high-photosynthetic-efficiency wheat varieties is a crucial link in safeguarding national food security. Traditional identification methods necessitate laborious on-site observation and measurement, consuming time and effort. Leveraging unma
Externí odkaz:
https://doaj.org/article/706a8c69ba224d529746c0af9486e56c
Publikováno v:
Remote Sensing, Vol 16, Iss 19, p 3684 (2024)
The rapid development of remote sensing technology has provided new sources of data for marine rescue and has made it possible to find and track survivors. Due to the requirement of tracking multiple survivors at the same time, multi-object tracking
Externí odkaz:
https://doaj.org/article/b67ed5ada1fa40a09d6c069a0937bbde