Sentence examples for cropping attacks from inspiring English sources

However, in spite of its high complexity, the technique failed with the cropping attacks.

Moreover, the inclusion of self-synchronization capability allows the developed watermarking system to withstand time-shifting and cropping attacks.

In the Gaussian noise and cropping attacks, our method outperforms other methods but in rotation attack (angle ), the performance of CEW was better.

In fact, apart from its simplicity, the method is virtually insensitive to cropping attacks and performs well in case of compression and noise attacks.

According to these results, the extracted watermark images from our proposed method have some distortion for low-pass filtering and cropping attacks but they are still visually recognizable.

Simulations are carried out under AWGN, Median Filtering, JPEG Compression, and Cropping attacks and results are shown in Figures 4(a)–4(d), respectively.

(i) Embedding watermarks into the ridges area increases its robustness because an attacker is interested in that area only (i.e., segmentation or cropping attack is usually performed to extract the ridges area from the background).

Lastly, results verify that the embedding random permutation based encryption enhances the compression performance and the scheme possesses high transmission robustness against additive white Gaussian noise and cropping attack.

Figure 12 Performance comparison against a band cropping attack.

Figure 18 The robustness comparison result of the proposed method with [ 2, 3 ] under cropping attack (400×450).

When we test our method against the cropping attack, we only eliminated some columns of the image (hence it is a vertical cropping).