Which is the most accurate description of an adaptive filter?
Understand the Problem
The question is asking for the most accurate description of an adaptive filter in the context of image processing, specifically which of the provided options correctly defines its functionality.
Answer
A filter with time-varying parameters that adjusts recursively with input.
The correct answer is: A filter whose output is the result of some nonlinear numerical process applied to the pixels of the original image at each window position.
Answer for screen readers
The correct answer is: A filter whose output is the result of some nonlinear numerical process applied to the pixels of the original image at each window position.
More Information
An adaptive filter is nonlinear because its parameters change recursively with input data, adapting based on input signals.
Tips
A common mistake is to confuse 'global' adjustments with 'local' ones or not recognizing the recursive adjustment process.
Sources
- Adaptive Filter - ScienceDirect - sciencedirect.com
- Adaptive filter - Wikipedia - en.wikipedia.org
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