Publication number: 20260227505
Abstract: The present invention discloses a cultivated land non-agricultural pattern spot extraction method and device fused with multi-source SAR data, and relates to the technical field of remote sensing image processing. According to the present invention, firstly, extraction of change pattern spots is performed by using SAR images, and then, the change pattern spots are classified, such that a problem that an optical image cannot be acquired in time is avoided, and meanwhile, manpower and material resources needed by field check are greatly reduced through the automatic extraction method. In addition, according to the implementation of the present invention, firstly, an SAR image coherence sequence diagram is calculated and acquired, and a requirement of true change pattern spot extraction is further divided by using a coherence coefficient, improving accuracy of a change pattern spot extraction result; and further, extracted change detection results are classified by using a high-resolution SAR image.
Type:
Application
Filed:
October 16, 2023
Publication date:
August 6, 2026
Applicant:
SURVEYING AND MAPPING INSTITUTE LANDS AND RESOURCE DEPARTMENT OF GUANGDONG PROVINCE
Inventors:
Yuanjun ZHONG, Weijie XU, Ziyang ZHU, Zhaopu SONG, Huajian ZHENG, Bin WANG, Xinyan LI, Zhanpeng CHEN, Jialin WANG, Hongfei XU, Xiaochun SHI, Shiyang LUO, Xiaofeng SONG, Yuxiang LIAO, Meng JIANG