Classical vs. Advanced Sampling Techniques
(a) Classical Nyquist-Shannon sampling: Requires a full array of M=N sensors to capture the object at the Nyquist rate.
(b) Single-pixel camera: Uses an array of reflectors (modulators) with only M=1 sensor.
(c) Multiply scattering imager: Employs scattering media with fewer sensors (M < N).
Visualizing how compressive and computational imaging can reduce hardware requirements while reconstructing the original object.
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