Analyzing Image Structure by Multidimensional Frequency Modulation
Volume: 29, Issue: 5, Pages: 753 - 766
Published: May 1, 2007
Abstract
We develop a mathematical framework for quantifying and understanding multidimensional frequency modulations in digital images. We begin with the widely accepted definition of the instantaneous frequency vector (IF) as the gradient of the phase and define the instantaneous frequency gradient tensor (IFGT) as the tensor of component derivatives of the IF vector. Frequency modulation bounds are derived and interpreted in terms of the...
Paper Details
Title
Analyzing Image Structure by Multidimensional Frequency Modulation
Published Date
May 1, 2007
Volume
29
Issue
5
Pages
753 - 766
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