Abstract
Superposition of multiple index method is used to construct index-fusion remote sensing images, and color statistical analysis and color distance calculation are carried out for urban areas in the fusion remote sensing images to automatically extract the large-scale construction land. The evaluation of the accuracy of the automatically extracted construction land can be done by using high precision Google Earth images. Center of gravity of the automatically extracted construction land is taken as the measurement index of urban spatial distribution, and the dynamic changes of urban spatial structure are analyzed according to the center of gravity. Experiments show that this method can effectively distinguish construction land from other ground objects, thus realizing the high accuracy extraction of construction land. And the center of gravity of Honghu City shows a development pattern and its possible influencing factors for small cities in central China.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
