Least-square matching method based on object space vertical double-face element
A technique of least squares and matching methods, which is applied in image data processing, instruments, calculations, etc., and can solve problems such as fuzzy angular lines and large fluctuations in the ground floor
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[0045] In order to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0046] The technical solution of the present invention can adopt computer software technology to realize the automatic operation process. The embodiment of the present invention is to match two urban area UAV images, refer to figure 1 , the steps of the process of the embodiment of the present invention are as follows:
[0047] Step 1, establish the initial normal vector.
[0048] Embodiments first input image-related parameters, and use SGM or other image-based dense point cloud generation algorithms to generate dense three-dimensional point cloud data, and the output data includes object space coordinates P(X) of any three-dimensional point in the three-dimensional point cloud data. c ,Y c ,Z c ), then refer to figure 2 Establish two mutually perpendicular initial normal ve...
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