Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Honggan Wu"'
Publikováno v:
Remote Sensing, Vol 16, Iss 23, p 4590 (2024)
Due to the significant threat to forest health posed by beetle infestations on pine trees, timely and accurate predictions are crucial for effective forest management. This study developed a pine tree stress probability prediction workflow based on m
Externí odkaz:
https://doaj.org/article/bd386a62d5b34d67adaa5b1ab1c320ca
Publikováno v:
Remote Sensing Letters. 11:650-658
After an attack the by pine wood nematode, pine tree needles turn red. Using convolutional neural networks (CNNs) based object detection methods, machines can detect red-attacked trees. However, mo...
Publikováno v:
IEEE Geoscience and Remote Sensing Letters. 15:739-743
The objective of this letter is to investigate and demonstrate potential accuracy improvements in land cover classification using Landsat data, by integrating time-series features with a specially designed classification method. We present a new fram
Publikováno v:
Journal of Forestry Research. 27:1407-1414
Recent advances in information and communication technologies, such as mobile Internet and smartphones, have created new paradigms for participatory environment monitoring. The ubiquitous mobile phones with capabilities such as a global positioning s
Publikováno v:
Remote Sensing Letters. 7:378-387
Gaofen-2 (GF-2), a Chinese new-generation satellite launched in August 2014, is providing high-resolution imagery for Earth observation. In this study, GF-2 imagery was employed for mapping forest cover in the core area of Tongzhou district, Beijing,
Autor:
Shuang Li, Honggan Wu
Publikováno v:
Remote Sensing Letters. 6:657-666
Karst rocky desertification (KRD) is a serious ecological problem in southwest China. Various remote sensing techniques are available for investigating KRD. Landsat 8 Operational Land Imager (OLI) data, acquired in September (summer) 2013 and January
Publikováno v:
International Journal of Remote Sensing. 36:3701-3713
A spatial feature extraction method was applied to increase the accuracy of land-cover classification of forest type information extraction. Traditional spatial feature extraction applications use high-resolution images. However, improving the classi
Autor:
Ruofei Zhong, Jingguo Zhu, Jianxi Huang, Meng-lin Li, Wei Su, Honggan Wu, Dehai Zhu, Zhongping Sun, Ke-shu Zhang
Publikováno v:
International Journal of Remote Sensing. 36:3616-3635
Recent advances in laser scanning hardware have allowed rapid generation of high-resolution digital terrain models DTMs for large areas. However, the automatic discrimination of ground and non-ground light detection and ranging lidar points in areas
Autor:
Muyao Shi, Honggan Wu
Publikováno v:
Remote Sensing Letters. 6:478-487
The paper presents the capabilities of China’s GF-1 satellite for the detection of forest defoliation caused by Hyphantria cunea in the border region between Tianjin City and Hebei Province of China in 2013 to support ground surveys and designing s
Publikováno v:
International Journal of Remote Sensing. 34:8518-8533
A modified maximum-likelihood ML classifier was applied to increase the accuracy of land-cover classification over a complex mountain landscape. The traditional ML classifier is a robust parametric approach in remote-sensing image classification. How