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| Overview | |
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Some web designers produce thumbnails with HTML coding that makes the user's browser shrink the picture, rather than use a smaller copy of the image. In principle the display size of an image in pixels should always correspond to its actual size, in part because one purpose of a thumbnail image on a web page is to reduce download time. The visual quality of browser resizing is also usually less than ideal.
Displaying a significant part of the picture instead of the full frame can allow using a smaller thumbnail while maintaining recognizability. For example, when thumbnailing a full-body portrait of a person, it may be better to show the face slightly reduced than an indistinct figure. This has the disadvantage that it misleads viewers about what the image contains, so it is less well suited for searching or a catalogue than for artistic presentations.
In 2002, the court in the US case Kelly v. Arriba Soft Corporation ruled that it was fair use for Internet search engines to use thumbnail images to help web users find what they seek.
[edit] Tags:Portrait,2002,Kelly V. Arriba Soft Corporation,Fair Use,Internet,Image,Help, | |
| Etymology | |
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A thumbnail, from which the word "thumbnail" derives its meaning.
The word "thumbnail" is a reference to the human thumbnail and alludes towards the small size of the image or picture, comparable to the size of the human thumbnail.[1][2] While the earliest use of the word in this sense dates back to the 17th century,[3] the American Heritage Dictionary of Idioms is reported to have documented that the expression first appears in the mid-19th century to refer to 'a drawing the size of the thumbnail'.[4] The word was then used figuratively, in both noun and adjective form, to refer to anything small or concise, such as a biographical essay. The use of the word "thumbnail" in the specific context of computer images as 'a small graphical representation, as of a larger graphic, a page layout, etc.' appears to have been first used in the 1980s.[3]
[edit] Tags:Noun,1980s, | |
| Dimensions | |
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The Denver Public Library Digitization and Cataloguing Program produces thumbnails that are 160 pixels in the long dimension.[5]
The California Digital Library Guidelines for Digital Images recommend 150-200 pixels for each dimension.[6]
Picture Australia requires thumbnails to be 150 pixels in the long dimension.[7]
The International Dunhuang Project Standards for Digitization and Image Management specifies a height of 96 pixels at 72 ppi.[8]
DeviantArt automatically produces thumbnails that are maximum 150 pixels in the long dimension.
Flickr automatically produces thumbnails that are a maximum 240 pixels in the long dimension, or smaller 75×75 pixels. It also applies unsharp mask to them.
Picasa automatically produces thumbnails that are a maximum 144 pixels in the long dimension, or 160×160 pixels album thumbnails.
The term vignette is sometimes used to describe an image that is smaller than the original, larger than a thumbnail, but no more than 250 pixels in the long dimension.
[edit] Tags:Digital Images,California Digital Library,International Dunhuang Project,Ppi,Unsharp Mask, | |
| Thumbnail sketches | |
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Thumbnail sketches
Art directors and graphic designers use the term "thumbnail sketch" to describe a small drawing on paper (usually part of a group) used to explore multiple ideas quickly. Thumbnail sketches are similar to doodles, but may include as much detail as a small sketch.
[edit] Tags:Art Directors,Doodles,Sketch,Graphic Design, | |
| See also | |
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Digital asset management
Geograph Britain and Ireland
Image
Image organizer
Contact print, a film cognate of the thumbnail
Thumbshots
Thumbnail gallery post, a type of website that links to galleries of thumbnails (usually pornographic or image search results)
[edit] Tags:Digital Asset Management,Geograph Britain And Ireland,Image Organizer,Contact Print,Thumbshots, | |
| References | |
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^ "Online Etymology Dictionary". Online Etymology Dictionary. http://www.etymonline.com/index.php?term=thumbnail. Retrieved March 5, 2010.
^ "AllWords.com". http://www.allwords.com/word-thumbnail.html. Retrieved March 5, 2010.
^ a b "Random House Word of the Day". http://www.randomhouse.com/wotd/index.pperl?date=19971211. Retrieved March 5, 2010.
^ "OPodictionary". http://podictionary.com/?p=202. Retrieved March 5, 2010.
^ Photoswest.org
^ CDlib.org
^ Libraries.vic.gov.au
^ IDP.bl.uk
Retrieved from "http://en.wikipedia.org/w/index.php?title=Thumbnail&oldid=460930117"
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