Convolutional Neural Network Architecture for Recovering Watermark Synchronization

. 2020 Sep 22;20(18):5427. doi: 10.3390/s20185427

Algorithm 2 Watermark decoding procedure.

1:
Input: watermarked curvelet coefficients $C^{s, l} (i, j)$
2:
Output: decoded bit pattern $b_{d}$
3:
$A_{d}^{s, l}$ = $\frac{1}{m n} \sum_{i = 1}^{m} \sum_{j = 1}^{n} a b s (C_{d}^{s, l} (i, j))$
4:
$b_{d}$ = mod[round( $A_{d}^{s, l}$ /q),2]