June 1995
Intermediate to advanced
438 pages
10h 53m
English
Content preview from Graphics Gems V (IBM Version)
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VI.6
Priority-based Adaptive Image Refinement
Rajesh Sharma, Indiana University Bloomington, Indiana. E-mail address: rsharma@cs.indiana.edu
Introduction
This gem presents an extension to image refinement algorithms by incorporating adaptive refinement: an image based on priority.
The generation of pixel values, whether by an abstract process (rendering) or by empirical sampling (scanning), is a sequential process. For interactive purposes, this does not provide the user a “thumbnail” preview of the entire image. Fast production of reduced-quality image is of value both in previewing systems and in production of frames whose objects show rapid, dynamic changes.
A previous gem (Hollasch 1992) addresses the issue of providing an overall ...
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