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Frequency Domain Methods: Low pass & high pass filters PPT Notes - Mukesh Edition
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Amity School of Engineering & Technology
DIGITAL IMAGE PROCESSING & PATTERN RECOGNITION
Credit Units: 4
By Mukesh Bhardwaj

Module I : Frequency Domain Methods: Low pass & high pass filters

This presentation deals with various filtering techniques in frequency domain.We begin with low pass filters.

Edges and other sharp intensity transitions(such as noise) in an image contribute significantly to the high frequency content of its fourier transform.

Hence, smoothing (blurring) is achieved in frequency domain by high-frequency attenuation i.e., by low-pass filtering.

Attachment :

.pptx   frequency domain methods.pptx (Size: 1.95 MB / Downloads: 61)



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