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

Table 8

Results of extraction of watermark image from cover image with a size of 64 × 64.

Attacks	NC
Median fitter	98.87
Gaussian fitter	95.15
Salt-and-pepper	99.49
Average filter	93.13
Motion blur	91.25
No attack	99.99