Sentence examples for quality of watermark from inspiring English sources

To figure out the ideal strategies in various situations by applying visible watermarking between encoder and attacker, an example is shown in Figure 2 where the amount of watermark embedding intensity increases, the quality of watermark logo also increases as well as the robustness against attacks.

The parameter provides a tradeoff between quality of watermarked image and extracted watermark.

Table 7 The quality of extracted watermark from Lena image with watermark size (Figure 11(b)) versus several attacks in different methods.

In order to optimize both quality of watermarked audio and robustness of the watermark, this work employs the genetic algorithm to search for 4 optimal quantization steps.

By increasing the levels of decomposition, the watermarking capacity is also increased, and the quality of extracted watermark is improved.

To evaluate the quality of extracted watermark, the bit-correct ratio (BCR) is adopted to measure the similarity between the original watermark W and the extracted watermark (tilde {W}).

Also, the AC coefficients estimating formulas that propose in [4] can be used to increase the quality of created watermark.

The quality of extracted watermark by proposed method and two related ones versus different attacks are summarized in Tables 7, 8, 9 and 10 for Lena and Baboon with watermark size, Peppers and Crowd with watermark size, respectively.

We propose a digital watermarking method warranting the lower limit of the image quality of watermarked images.

We have proposed a watermarking method warranting the lower limit of the image quality of watermarked images.

Some digital watermarking methods [2] prevent the degradation of the image quality of watermarked images by using human visual system.