Method for stochastic transformation of three-dimensional space coordinate
A technology of three-dimensional space and spatial point coordinates, which is applied in the field of computing, can solve problems such as the limitation of application range, and achieve the effect of improving security strength
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[0058] The method for the random transformation of three-dimensional space coordinates described in this embodiment, the method includes:
[0059] S1. Obtain the coordinates of i feature points from the spatial points of the source coordinate system, and set the coordinates of any feature point I in the source coordinate system as (X i0 ,Y i0 ,Z i0 ), i=1,2,...,n; set the coordinates of the space point I' corresponding to the feature point I in the target coordinate system, denoted as (X i1 ,Y i1 ,Z i1 );
[0060] S2, obtain the difference set T={(Δ x1 ,Δ y1 ,Δ z1 ),(Δ x2 ,Δ y2 ,Δ z2 ),(Δ x3 ,Δ x3 ,Δ z3 ),…,(Δ xn ,Δ yn ,Δ zn )}, where, set:
[0061] f x ={Δ x1 ,Δ x2 ,Δ x3 ,…,Δ xn},Δ xi =X i1 -X i0 , i=1,2,...,n;
[0062] f y ={Δ y1 ,Δ y2 ,Δ y3 ,…,Δ yn},Δ yi =Y i1 -Y i0 , i=1,2,...,n;
[0063] f z ={Δ z1 ,Δ z2 ,Δ z3 ,…,Δ zn},Δ zi = Z i1 -Z i0 , i=1,2,...,n;
[0064] f x Indicates the difference between the coordinates of the feature ...
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