Multi-plane identification method for three-dimensional point cloud
A technology of 3D point cloud and recognition method, which is applied in 3D object recognition, character and pattern recognition, instruments, etc., can solve the problem of inaccurate estimation, and achieve the effect of efficient recognition, wide applicability, and strong distinguishing ability
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[0045] The present invention will be further described below in conjunction with the drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.
[0046] Such as figure 1 As shown, a multi-plane recognition method for a three-dimensional point cloud includes the steps:
[0047] Step 1. In a three-dimensional point cloud with multiple planes, evaluate the possibility of a plane nearby for each point, so that each point gets a reliability score m i , The specific steps include:
[0048] 1), assuming that the input point cloud is a point set containing n points P = {P 1 ,...,P n }, where P i (1≤i≤n) represents the i-th three-dimensional point in the point cloud, such as figure 2 As shown in (a), according to point P i Coordinates (x i ,y i ,z i ) And its normal direction N i (n xi ,n yi ,n zi ) Establish a local plane model hypothesis S at thi...
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