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Table 3 Complexity comparison of different inverse halftoning schemes.

From: A New Inverse Halftoning Method Using Reversible Data Hiding for Halftone Images

Algorithms (ref.)

Complexity

MAP [11]

High

Wavelet [1]

Median

Gaussian filtering [10]

Low

LUT [6]

Low

ELUT [7]

Low

The proposed method

Low