Gabor depth imaging method has been made much more efficient thanks to adaptive partitioning algorithms. Moreover, as introduced in another space-frequency domain imaging method, called the forward operator and conjugate inverse, wavefield extrapolation operator lengths at low frequencies can be decreased, resulting in a lower computation cost. This is known as the spatial resampling technique, which can be implemented in the Gabor imaging method because this imaging method works in the space-frequency domain, too. In this paper, we demonstrate the application of spatial resampling in the Gabor imaging method, which will substantially improve the imaging speed.
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