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Highly robust pose estimator based on synthetic estimation filters

Holographic recording techniques have been applied to implement synthetic estimation filters (SEF) for pose estimation of a docking spacecraft. Each SEF is a weighted combination of Fourier-plane hologram exposures of different target attitudes. These particular attitudes represent a span of the attitudes among which the SEFs will ratiometrically interpolate the attitude of the target in an input image. The pose is estimated by comparing the correlation peak intensities for all the filters with previously stored reference intensity peaks.