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It is a shaded watermark first used in 1848 that incorporates tonal depth and creates a greyscale image. Instead of using a wire covering for the dandy roll, the shaded watermark is created by areas of relief on the roll's own surface. Once dry, the paper may then be rolled again to produce a watermark of even thickness but with varying density.
This should still not be done unless the text is within the image itself and not located on a border or along an edge. If cropping a JPEG, consider using a lossless cropping tool such as jpegtran Caution: Before removing a watermark from a copyrighted image, please read the WMF's analysis of the legal ramifications of doing so.
For an image from the internet the URL of an HTML page containing the image is preferable to the URL for just the image itself. For an image from a book this is ideally page number and full bibliographic information (author, title, ISBN number, page number(s), date of copyright, publisher information, etc.).
As part of the effort, the seven companies committed to developing a system to "watermark" all forms of content, from text, images, audios, to videos generated by AI so that users will know when ...
A digital watermark is called robust with respect to transformations if the embedded information may be detected reliably from the marked signal, even if degraded by any number of transformations. Typical image degradations are JPEG compression, rotation, cropping, additive noise, and quantization. [6]
Because of the risk that placeholder material might accidentally be published, it is clearly marked with an FPO indicator in the form of a simulated watermark or overprint, stamp, or the like in the expectation that it will make the placeholder's presence obvious to designers working on the layout; reviewing proof copies; or, as a last resort ...
This image contains digital watermarking or credits in the image itself. Additionally, if this image is a freely licensed image, it is in violation of Wikipedia's image use policy. An effort should be made to replace this image with a non-watermarked alternative. Refer to Wikipedia:Uploading images for instructions.
Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was ...