Sunday, June 30, 2013

Natural Images Wallpapers

Natural Images Wallpapers History

Source(google.com.pk)

A standard test image is a digital image file used across different institutions to test image processing and image compression algorithms. By using the same standard test images, different labs are able to compare results, both visually and quantitatively. The images are in many cases chosen to represent natural or typical images that a class of processing techniques would need to deal with. Other test images are chosen because they present a range of challenges to image reconstruction algorithms, such as the reproduction of fine detail and textures, sharp transitions and edges, and uniform regions.This page highlights images that the Wikipedia community finds beautiful, stunning, impressive, or informative. Featured pictures are the visual equivalent to featured articles and, as such, are even more subjective. There are currently 3,473 featured pictures, and they are categorized by the topic they represent. All featured pictures are also available in a category.
If you wish to add a specific image to this page, please nominate it on Wikipedia:Featured picture candidates. Images listed here should be either in the public domain or covered by a free license.
One featured picture is chosen as the picture of the day. You can include this box anywhere (e.g., your user page) by adding the text {{pic of the day}} or {{POTD}} where you want the picture to be shown.
Featured pictures from all Wikimedia projects can be browsed by subject or by country on Wikimedia Commons.Perceptions of religious imagery in natural phenomena, sometimes called simulacra, are sightings of images with spiritual or religious themes or import to the perceiver. The images perceived, whether iconic or aniconic, may be the faces of religious notables or the manifestation of spiritual symbols in the natural, organic media or phenomena of the natural world. The occurrence or event of perception may be transient or fleeting or may be more enduring and monumental. The phenomenon appears to approach a cultural universal and may often accompany nature worship, animism, and fetishism, along with more formal or organized belief systems.
Within Christian traditions, many instances reported involve images of Jesus or other Christian figures seen in food; in the Muslim world, structures in food and other natural objects may be perceived as religious text in Arabic script, particularly the word Allah or verses from the Qur'an. Many religious believers view them as real manifestations of miraculous origin; a sceptical, but far more scientifically grounded view is that such perceptions are examples of pareidolia.
The original phenomena of this type were acheropites: images of major Christian icons such as Jesus and the Virgin Mary which were believed to have been created by supernatural means. The word acheropite comes from the Greek ảχειροποίητος, meaning "not created by human hands", and the term was first applied to the Turin Shroud and the Veil of Veronica. Later, the term came to apply more generally to simulacra of a religious or spiritual nature occurring in natural phenomena, particularly those seen by believers as being of miraculous origin









Pictures Photos Images 2013
Pictures Photos Images 2013
Pictures Photos Images 2013
Pictures Photos Images 2013
Pictures Photos Images 2013
Pictures Photos Images 2013
Pictures Photos Images 2013
Pictures Photos Images 2013
Pictures Photos Images 2013
Pictures Photos Images 2013
Pictures Photos Images 2013

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