[Retracted] Detecting Digital Watermarking Image Attacks Using a Convolution Neural Network Approach

Table 4

Results of extraction of watermark image from cover image with a size of 256 × 256.

Attacks	NC
Median fitter	96.89
Gaussian fitter	90.23
Salt-and-pepper	99.02
Average filter	98.54
Motion blur	95.23
No attack	99.99