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Halftone images: Spatial resolution and tone reproduction

✍ Scribed by Bryngdahl, Olof


Book ID
115384454
Publisher
Optical Society of America
Year
1978
Weight
1020 KB
Volume
68
Category
Article
ISSN
0030-3941

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Improvement of spatial resolution of key
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## Abstract An algorithm is proposed which improves the spatial resolution of difference or effect images acquired with a keyhole sampling strategy. This new reconstruction algorithm uses __a priori information__ about sharp structures in the observed signal changes from a high resolution reference