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20 April 1995 Structured video and the construction of space
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Proceedings Volume 2411, Human Vision, Visual Processing, and Digital Display VI; (1995)
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1995, San Jose, CA, United States
Image sequences can now be synthesized by compositing elements--objects, backgrounds, people--from preexisting source images. What are the rules that govern the placement of these elements in their new frames? If geometric projection is assumed to govern the composition, there is some freedom to move the elements about, but the range of placements is quite limited. Furthermore, projective geometry is not perceptually ideal--think of the distortions seen at the edges of wide-angle photographs. These distortions are not found in perspective paintings: painters modify the portrayal of certain objects to make them perceptually correct. The paper first reviews projective geometry in the context of image compositing and then introduces perceptually based composition. Its basis in human vision in analyzed and its application to image compositing discussed.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Judith S. Donath "Structured video and the construction of space", Proc. SPIE 2411, Human Vision, Visual Processing, and Digital Display VI, (20 April 1995);


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