Now here, we say
add watermark means add digital watermarking (
text watermark or
image watermark) into picture, to achieve the purpose of protecting picture. According to Wikipedia,
digital watermarking is the process of possibly irreversibly embedding information into a digital signal. The signal may be text, pictures or images, for example. If the signal is copied, then the information is also carried in the copy.
Actually, there are two types of watermarking, visible and invisible watermarking. The visible watermarks to be visible in the picture. Typically, the watermark may be text or a image which identifies the owner of the picture. The image on the right has a visible watermark. When the people can see the watermark, this is also a visible watermark. We
add watermark to be visible here.
The invisible watermarking is a little complicated, its information is added as digital data to picture, but it cannot be perceived.
Copyright protection systems is an important application of invisible watermarking, which are intended to prevent or deter unauthorized copying of digital picture.
Now, I will introduce the watermark, professional calls information. Usually, we
add watermark means we put watermark information into photos. The informtion means the difference between the watermarked signal and the cover signal. The signal where embedded the wamtermark is called the host signal. Usually, a watermarking system is divided into three distinct steps, embedding, attack and detection. In embedding, an algorithm accepts the host and the data to be embedded and produces a watermarked signal.
Whatever,
digital watermark could be text, pictures, images or something else which could be embedded into your photos for protecting your photo copyright, we also call that information.
Add watermark to your photo is very easy if you choose Watermark Software to be your tool. The below is the introduce of how to add watermark to a photo. Here we choose image watermark:
Step 2, Add files.
Select exist
watermarking image or new image from your harddisk. Click "Browse" for selecting new images for harddisk, click "OK" to select existing images.
Step 3, Edit.
Watermark software's simple interface will tell you how to set here to adjust aspect ratio of image watermark(Default: W=1, H=1), selected lock box to binding width and height for your photo. You can adjust Opacity for your need (0-100) and adjust rotate for your need (0-360). You can choose "General" or "Tile" to place you text watermark on images, general is to place one text on images, tile is to fill full text on images. (Tile is a strong protect copyright mode)Alignment setting to control text's azimuth on images.
Step 4.
Click "Run" after you finished your editing. And soon later, the whole process will be OK.
Now, everybody seeing the photo knows it belongs to you.
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