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Edge detection

In this exercise, you'll detect edges in an image by applying the Sobel filter.

Soap pills of heart and rectangle shapes in blue background
Image preloaded as soaps_image.

Theshow_image() function has been already loaded for you.

Let's see if it spots all the figures in the image.

Cet exercice fait partie du cours

Image Processing in Python

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Instructions

  • Import the color module so you can convert the image to grayscale.
  • Import the sobel() function from filters module.
  • Make soaps_image grayscale using the appropriate method from the color module.
  • Apply the sobel edge detection filter on the obtained grayscale image soaps_image_gray.

Exercice interactif pratique

Essayez cet exercice en complétant cet exemple de code.

# Import the color module
from ____ import ____

# Import the filters module and sobel function
from skimage.____ import ____

# Make the image grayscale
soaps_image_gray = ____.____(soaps_image)

# Apply edge detection filter
edge_sobel = ____(____)

# Show original and resulting image to compare
show_image(soaps_image, "Original")
show_image(edge_sobel, "Edges with Sobel")
Modifier et exécuter le code