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

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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