Sentence examples for during watermark from inspiring English sources

The PNN is used during watermark extraction.

Despite that the signal power has been deliberately maintained during watermark embedding, the attacks such as MP3 compression and noise contamination may alter the segmental power.

In such a quantization scheme, there exists a large significant difference while embedding a watermark bit 1 and a watermark bit 0; it then does not require any original image or watermark during watermark extraction process.

Current methods of watermarking images, depending on whether the original image is used during watermark extraction process or not, could be divided into two categories: blind and non-blind methods.

During watermark extraction, all fragments of binary bits are retrieved with the assistance of a synchronization scheme and repacked according to the header content of each package.

Similarly to the approach previously adopted, quads are categorized in expandable or changeable and differently treated during watermarking; then they are grouped as follows.

Due to the dynamic property during the watermark embedding stage, there are certain strategies/actions for each player to determine the best parameters based on its own interest.

By using this approach, it is very easy to determine, during the watermark detection, if a "1" or "0" bit is embedded in a certain block and, eventually, remove the mark by counter rotating the histogram along the circular support.

While the image quality of I x, y w is a constraint during the watermark embedding, the selection of α λ,θ and β λ,θ will be critical points since they will determine the expected image quality of I x, y w.

Check 'Include watermark' in the 'Watermark' section.

This matrix is a part of the side information used in decoding phase, and is embedded during the watermarking process.