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Description
Generated with noisy_picture .

Note that the noise is scaled up (coarsened) to affect blocks of 2×2 pixels at a time, rather than individual pixels. This seems to produce a more realistic effect, probably because colour is encoded at a lower resolution anyway.

Part of the Qahirah Examples collection.

Description
Generated with noisy_picture .

Note that the noise is scaled up (coarsened) to affect blocks of 2×2 pixels at a time, rather than individual pixels. This seems to produce a more realistic effect, probably because colour is encoded at a lower resolution anyway.

Part of the Qahirah Examples collection.