Geomorphic features updating in small and medium scale by using high-resolution stereo mapping image

doi:10.13474/j.cnki.11-2246.2021.0286

Abstract

Abstract: Geomorphologic updating by using high-resolution stereo mapping satellite remote sensing image has great application potential in medium and small-scale geomorphic features updating because of its advantages of large coverage area and short updating period. In this paper, WorldView-2 and ZY-3 satellite images are respectively used to explore the technological process of small and medium scale geomorphic renewal based on high-resolution stereo mapping satellite images, and the experimental verification is carried out in different experimental areas. The results show that the proposed technical scheme can meet the accuracy requirements of 1:50 000 topographic map updating, and the updating efficiency is improved by about 25%.

Key words: stereo mapping satellite, high-resolution image, geomorphologic updating, digital elevation model

CLC Number:

MA Yuanzheng, DOU Guanxin, LIU Yue, WU Yanping. Geomorphic features updating in small and medium scale by using high-resolution stereo mapping image[J]. Bulletin of Surveying and Mapping, 2021, 0(9): 116-119.

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