Paper
29 December 1992 Multiscale filtering approach to focus blur removal
Anthony John Maeder, Karl Geppert
Author Affiliations +
Abstract
Detection and subsequent removal of focus blur in digital images is often undertaken using expensive computational solutions. An alternative approach using simple gradient-based edge detection masks of varying sizes applied locally is presented here. Results indicate that this approach is able to provide significant improvement in the perceived sharpness of blurred edges.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anthony John Maeder and Karl Geppert "Multiscale filtering approach to focus blur removal", Proc. SPIE 1767, Inverse Problems in Scattering and Imaging, (29 December 1992); https://doi.org/10.1117/12.139043
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KEYWORDS
Visualization

Image processing

Inverse problems

Scattering

Atmospheric modeling

CCD cameras

Edge detection

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