PYRAMID_ED_CVIP

pyramid_ed_cvip() - perform a pyramid edge detection.

Contents

SYNTAX

[edge_mag, edge_dir] = pyramid_ed_cvip( input_image )

Input Parameters include :

output Parameters include:

DESCRIPTION

[edge_mag, edge_dir] = pyramid_ed_cvip( input_image ) applies the Pyramid operator to the input image and returns the result as the output image. It is used in the same manner as Prewitt and Sobel.

REFERENCE

1. Scott E Umbaugh. DIGITAL IMAGE PROCESSING AND ANALYSIS: Applications with MATLAB and CVIPtools, 3rd Edition.

EXAMPLE

% Read image

 input_image = imread('butterfly.tif');

% Calling function

 [edge_mag, edge_dir] = pyramid_ed_cvip( input_image );

% Display input image

 figure;imshow(input_image);title('InputImage');

% Display Output image

 figure;imshow(hist_stretch_cvip(edge_mag,0,1,0,0));title('edge magnitude Image');

 figure;imshow(hist_stretch_cvip(edge_dir,0,1,0,0));title('edge direction Image');

CREDITS

Author: Mehrdad Alvandipour, April 2017
Copyright © 2017-2018 Scott E Umbaugh
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