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updated05/01/2008 ●
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Sensation & Perception For the current quarter's
assignments and syllabus, Course Objectives: The study of Sensation and Perception seeks to answer these questions:
Text: Single Image Random Dot Stereograms (SIRDS):Why do they work, and what do they
Single Image Random Dot Stereograms (SIRDS) are not only a lot of fun, but they demonstrate many of the properties of stereopsis. "Stereopsis" means that each eye sees a slightly different image, which is essential for our perception of depth. Leonardo da Vinci demonstrated in his writings that he understood stereopsis, but the 19th century British physicist Charles Wheatstone is usually credited with its first clear demonstration. Wheatstone invented a stereoscope, a device which presented the first stereograms. Bela Julesz (1971) was the first to demonstrate that depth can be perceived from stereograms that do not contain recognizable objects. These were the first "random dot stereograms." The 1980's and 1990's experienced a boom in recreational SIRDS watching. SIRDS Facts:
Links to Sensation and Perception Resources:
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updated:
05/01/2008 |
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© 2007, Laura Freberg , animations © 2007, Karla Freberg