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Remote sensing image mosaic technology based on SURF algorithm in agriculture

By Weiping Zhang, Xiujuan Li, Junfeng Yu, Mohit Kumar and Yihua Mao


Abstract The remote sensing technology of unmanned aerial vehicle (UAV) is a low altitude remote sensing technology. The technology has been widely used in military, agricultural, medical, geographical mapping, and other fields by virtue of the advantages of fast acquisition, high resolution, low cost, and good security. But limited by the flying height of UAV and the focal length of the digital camera, the single image obtained by the UAV is difficult to form the overall cognition of the ground farmland area. In order to further expand the field of view, it is necessary to mosaic multiple single images acquired by UAV into a complete panoramic image of the farmland. In this paper, aiming at the problem of UAV low-altitude remote sensing image splicing, an image mosaic technique based on Speed Up Robust Feature (SURF) is introduced to achieve rapid image splicing. One hundred fifty ground farmland remote sensing images collected by UAV are used as experimental splicing objects, and the image splicing is completed by the global stitching strategy optimized by Levenberg-Marquardt (L-M). Experiments show that the strategy can effectively reduce the influence of cumulative errors and achieve automatic panoramic mosaic of the survey area

Topics: Low-altitude remote sensing image, SURF operator, Unmanned aerial vehicle (UAV), Panoramic splicing, Electronics, TK7800-8360
Publisher: SpringerOpen
Year: 2018
DOI identifier: 10.1186/s13640-018-0323-5
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