Search results
Results From The WOW.Com Content Network
A 2-bit indexed color image. The color of each pixel is represented by a number; each number (the index) corresponds to a color in the color table (the palette).. In computing, indexed color is a technique to manage digital images' colors in a limited fashion, in order to save computer memory and file storage, while speeding up display refresh and file transfers.
A featured picture is not always required to be aesthetically pleasing; it might be shocking, impressive, or just highly informative. Highly graphic, historical and otherwise unique images may not have to be classically beautiful at all. See these examples for a basic guide.
Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends. Another term, "zone fossil", is used when the fossil has all the characters stated above except wide geographical distribution; thus, they correlate the surrounding rock to a biozone rather than a specific time period.
SSIM has also been used on the gradient of images, making it "G-SSIM". G-SSIM is especially useful on blurred images. [19] The modifications above can be combined. For example, 4-G-r* is a combination of 4-SSIM, G-SSIM, and r*. It is able to reflect radiologist preference for images much better than other SSIM variants tested. [20]
Featured pictures in Wikipedia. This star symbolizes the featured content on Wikipedia. This page highlights the finest images on Wikipedia. The featured picture criteria explains that featured pictures must be freely licensed or in the public domain, must be of a high technical quality, and must add significantly to at least one article on Wikipedia.
David Croteau and William Hoynes suggest that the prevalence of photographic images has blurred the distinction between image and reality, referring to pseudo-events, in Daniel Boorstin's words – such as press conferences, televised political debates, or 'photo opportunities' - that exist only to create images.
A major attribute of a featured picture is that it is a photograph, diagram, image or animation which is among the best examples of a given subject that the encyclopedia has to offer. As these examples show, a featured picture is not always required to be aesthetically pleasing; it might be shocking, impressive, or just highly informative.
There is no agreed definition of what constitutes a featured picture. However, Wikipedia featured picture candidates should not display any of the following technical flaws, unless there are strong mitigating reasons, such as historical significance or unique subject matter: see the featured picture criteria page for guidelines, and the WP:WIAFP/example subject matter gallery for examples of ...