• How digital watermarking works ? - Basic principle of digital watermarking

How Digital Watermarking Works ?

Digital watermarking can be used for various purposes, and protecting content which fall into the above category.When a file is protected using digital watermarking, then a unique signature is created like a code so that when the file is being used by anyone else, it can be identified. More...

Basic Principle Of Digital Watermarking

     Digital watermarking is a process that is used to embed information into a digital signal. It can be any kind of information like audio, pictures, or video. When the signal is copied, then the pertaining information is also carried along with the copy.

When the signal is copied, then the pertaining information is also carried along with the copy.In a visible watermarking procedure, the information is visible, be it a picture or a video. Also the information that is being copied identifies the true owner of it. The image will be visible watermark. For example, when television broadcasting is sending the images, it also displays the logo to the corner of the video that is being transmitted. More...

Capacity Issues In Digital Watermarking

     Digital watermarking is a superb feature that can help to identify the true owner of a creative medium like an image, photograph or video. The embedded information can clearly be identified even if the quality of the media has degraded. Image degradation can happen when JPEG files are compressed for example.

           The embedded information can clearly be identified even if the quality of the media has degraded. Image degradation can happen when JPEG files are compressed for example.People constantly modify the picture by cropping, resizing, rotating and adding several features. The properties of the image can be changed using computer programs. Even when it comes to video files this can be donMore...