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Digital watermarking. A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as audio, video or image data. [1] It is typically used to identify ownership of the copyright of such a signal. Digital watermarking is the process of hiding digital information in a carrier signal; the hidden information should, [2 ...
License. GNU GPLv3. Website. getsharex.com. ShareX is a free and open-source screenshot and screencast software for Windows. It is published under the GNU General Public License. The project's source code is hosted on GitHub. [3] It is also available on the Microsoft Store [4] and Steam. [5]
This can be particularly useful in tracing the history of a copy of a video. Detecting watermarks in a video can indicate the source of an unauthorized copy. While video fingerprinting systems must search a potentially large database of reference fingerprints, a watermark detection system only has to do the computation to detect the watermark.
Free images should not be watermarked, distorted, have any credits or titles in the image itself or anything else that would hamper their free use, unless, of course, the image is intended to demonstrate watermarking, distortion, titles, etc. and is used in the related article. Exceptions may be made for historic images when the credit or title ...
There is more to our images than you can see at first look. If you click on any image on Wikipedia, you will go to a page about the image itself. This image page will have information on the image's source, authorship, and copyright licensing, along with a more detailed description of the image. Unless the image is very small, you will see a ...
Bing.com – Has an Advanced Image Search that offers images in different resolutions and also categorizes images. Allows free querying of the bing Image Search API up to a certain limit per day. Everystockphoto.com – Searching over 4.3 million public domain and creative commons photos including Wikipedia and NASA. Free user accounts with ...
Watermark. 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. [1] Watermarks have been used on postage stamps, currency, and other ...
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