How to resolve the algorithm Canny edge detector step by step in the Tcl programming language

Published on 12 May 2024 09:40 PM
#Tcl

How to resolve the algorithm Canny edge detector step by step in the Tcl programming language

Table of Contents

Problem Statement

Write a program that performs so-called canny edge detection on an image.

A possible algorithm consists of the following steps:

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Canny edge detector step by step in the Tcl programming language

Source code in the tcl programming language

package require crimp
package require crimp::pgm

proc readPGM {filename} {
    set f [open $filename rb]
    set data [read $f]
    close $f
    return [crimp read pgm $data]
}
proc writePGM {filename image} {
    crimp write 2file pgm-raw $filename $image
}

proc cannyFilterFile {{inputFile "lena.pgm"} {outputFile "lena_canny.pgm"}} {
    writePGM $outputFile [crimp filter canny sobel [readPGM $inputFile]]
}
cannyFilterFile {*}$argv

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