Image formation1

Image formation1 - Image formation Image Formation Vision infers world properties form images How do images depend on these properties Two key

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Image formation
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Image Formation Vision infers world properties form images. How do images depend on these properties? Two key elements Geometry Radiometry We consider only simple models of these
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http://www.acmi.net.au/AIC/CAMERA_OBSCURA.html (Russell Naughton) Camera Obscura "When images of illuminated objects . .. penetrate through a small hole into a very dark room . .. you will see [on the opposite wall] these objects in their proper form and color, reduced in size ... in a reversed position, owing to the intersection of the rays". Da Vinci
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Used to observe eclipses (eg., Bacon, 1214-1294) By artists (eg., Vermeer).
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http://brightbytes.com/cosite/collection2.html (Jack and Beverly Wilgus) Jetty at Margate England, 1898.
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First photograph due to Niepce First on record shown in the book - 1822 Cameras
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Pinhole cameras Abstract camera model - box with a small hole in it Pinhole cameras work in practice (Forsyth & Ponce)
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Distant objects are smaller (Forsyth & Ponce)
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This note was uploaded on 01/13/2012 for the course CMSC 426 taught by Professor Staff during the Winter '08 term at Maryland.

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Image formation1 - Image formation Image Formation Vision infers world properties form images How do images depend on these properties Two key

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