Question

Which of the following is NOT correct about watermarking?

• A. It embeds copyright information in the object
• B. It is sufficient to prove the ownership of the article
• C. It should be invisible
• D. All are true

Answer 1

The correct option is D All are true

A watermark is an identifying image or pattern in paper that appears as various shades of lightness/darkness when viewed by transmitted light (or when viewed by reflected light, atop a dark background), caused by thickness or density variations in the paper.

A watermark is a more or less transparent image or text that has been applied to a piece of paper, another image to either protect the original image, or to make it harder to copy the item.

1) It embeds copyright information in the object.

2) It is sufficient to prove the ownership of the article.

3) It should be invisible.

All are true about watermark.