Stochastic halftoning screening method

Details Stochastic halftoning screening method Stochastic halftoning screening method

H - Electricity

04

N

H04N 1/405 (2006.01) H04N 1/46 (2006.01)

Patent

CA 2203448

An idealized stochastic screen is characterized by all of the predominant color dots (black or white) uniformly distributed. The present invention seeks to approach this optimization by iteratively selecting pairs of threshold levels in the screen matrix, and measuring the approach to the idealized stochastic screen. The threshold values are then swapped in position to determine whether the swap improves the measurement or not. If it does, the swap is maintained. The process is iterated until the desired result is obtained.

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