Abstract
A method of nonlinear estimation of the coordinates of the geometric center of objects tracked in two-dimensional optoelectronic images is considered. The dynamics of the object and measurements of the geometric center of objects in optoelectronic images are described by nonlinear difference equations. Nonlinearities can be smooth and nonsmooth functions. The method is based on the normal correlation theorem and the approximation of solutions of the equations by Lagrange interpolation polynomials with adaptive selection of their orders. Modeling has shown that the interpolation method is more accurate than the known nonlinear unscented Kalman filter.
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