July 2010
Intermediate to advanced
1384 pages
74h 23m
English
Content preview from Handbook of Image and Video Processing, 2nd Edition
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3.1
Basic Linear Filtering with Application to Image Enhancement
Alan C. Bovik, The University of Texas at Austin
Scott T. Acton, University of Virginia
2 Impulse Response, Linear Convolution, and Frequency Response
• Moving-Average Filter
• Ideal Low-Pass Filter
• Gaussian Filter
1 Introduction
Linear system theory and linear filtering play central roles in digital image and video processing. Many potent techniques for modifying, improving, or representing digital visual data are expressed in terms of linear systems concepts. Linear filters are used for generic tasks such as image/video contrast improvement, denoising, and sharpening, as well as for more object- ...
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