Simply denoise: wavefield reconstruction via jittered undersampling
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Definition of the jittered
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Theory
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The practical requirement of
Uniform jittered undersampling on a grid
First, the undersampling grid is defined for a discrete uniform jitter. Next, the spectral leakage caused by this scheme is studied.
Subsections
Definition of the jittered grid
Fourier-domain artifacts of the jittered grid
Regular undersampling (
):
Optimally-jittered undersampling (
):
Jittered undersampling (
):
2007-11-27