The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 2023
Filed:
Jan. 21, 2021
Southeast University, Jiangsu, CN;
Zhe Li, Nanjing, CN;
Yukun He, Nanjing, CN;
Yuning Cheng, Nanjing, CN;
Xiang Zhou, Nanjing, CN;
Kaiyu Zhao, Nanjing, CN;
Xiao Han, Nanjing, CN;
Feifei Chen, Nanjing, CN;
Shuang Song, Nanjing, CN;
Xinyi Lu, Nanjing, CN;
Xiaoshan Lin, Nanjing, CN;
SOUTHEAST UNIVERSITY, Nanjing, CN;
Abstract
The present invention discloses a method and an apparatus for extracting mountain landscape buildings based on high-resolution remote sensing images. The method comprises: segmenting a remote sensing image, and extracting non-vegetation areas from the remote sensing image by using NDVI; segmenting the non-vegetation areas, and extracting building areas by using NDBI; segmenting the building areas again, and calculating a normalized difference build shadow index NSBI of each patch; calculating NSBI separator of each patch in the non-vegetation areas and setting a separator threshold, and extracting landscape building areas based on the threshold. In the present invention, by introducing a near infrared band in the remote sensing image spectrum, in which there is a significant difference between shadows and non-shadows, the influence of large shadow areas in mountainous shady areas in the remote sensing image on the result of extraction is reduced.