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digital-signal-processing

Two-dimensional sampling

taught

Sampling theory's direct extension to images -- a 2D grid of samples, and a 2D Nyquist condition per spatial-frequency axis.

Taught in

Two-dimensional sampling
Digital Signal Processing

Requires

first-look-at-quantization required

Required by

Why the DFT is the only exactly-computable Fourier representation required

Local knowledge map

Local knowledge map

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.