Estimation of error of data values with increasing distance...

Details Estimation of error of data values with increasing distance... Estimation of error of data values with increasing distance...

G - Physics

06

T

354/143

G06T 17/05 (2011.01)

Patent

CA 2002486

ABSTRACT OF THE DISCLOSURE A method is disclosed for estimating the error of data values with increasing distance from control data points. A gridded surface is generated from a plurality of control data points, and a distance grid is generated, from the same control data points, that have contours rep- resentative of the distance from the control data points. A residual grid is generated representative of the differ- ence between the gridded surface and a reference surface, which was formed by a separate procedure from the plural- ity of control data points. The distance grid is then integrated with the residual grid to provide mean residual values representative of the error with increasing dis- tance from control data points, and the output is plotted. This method can be utilized with a plurality of grid node interpolation algorithms and the outputs can be plotted side-by-side for the user to determine which grid node interpolation algorithm is best for mimicing the surface.

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