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A digital watermark is called imperceptible if the original cover signal and the marked signal are perceptually indistinguishable. A digital watermark is called perceptible if its presence in the marked signal is noticeable (e.g. digital on-screen graphics like a network logo, content bug, codes, opaque images). On videos and images, some are ...
It is the process of altering the original data file, allowing for the subsequent recovery of embedded auxiliary data referred to as a watermark. A subscriber, with knowledge of the watermark and how it is recovered, can determine (to a certain extent) whether significant changes have occurred within the data file.
Some tags that resemble HTML are actually MediaWiki parser and extension tags, and so are actually wiki markup. HTML included in pages can be validated for HTML5 compliance by using validation. Note that some elements and attributes supported by MediaWiki and browsers have been deprecated by HTML5 and should no longer be used.
<pre> is a parser tag that emulates the HTML <pre> tag. It defines preformatted text that is displayed in a fixed-width font and is enclosed in a dashed box. HTML-like and wiki markup tags are escaped, spaces and line breaks are preserved, but HTML elements are parsed.
Library to create and manipulate PDF, RTF, HTML files in Java, C#, and other .NET languages. JasperReports: GNU LGPL: Open-source Java reporting tool that can write to screen, printer, or into PDF, HTML, Microsoft Excel, RTF, ODT, comma-separated values and XML files. libHaru: ZLIB/LIBPNG: Open-source, cross-platform C library to generate PDF ...
Initially code-named "Cougar", [18] HTML 4.0 adopted many browser-specific element types and attributes, but also sought to phase out Netscape's visual markup features by marking them as deprecated in favor of style sheets. HTML 4 is an SGML application conforming to ISO 8879 – SGML. [20] April 24, 1998
Web pages authored using HyperText Markup Language may contain multilingual text represented with the Unicode universal character set.Key to the relationship between Unicode and HTML is the relationship between the "document character set", which defines the set of characters that may be present in an HTML document and assigns numbers to them, and the "external character encoding", or "charset ...