Images as data: changing images
To modify an image, you can modify the existing numbers in the array. In a color image, you can change the values in one of the color channels without affecting the other colors, by indexing on the last dimension of the array.
The image you imported in the previous exercise is available in data.
Deze oefening maakt deel uit van de cursus
Image Modeling with Keras
Oefeninstructies
- Modify the bricks image to replace the top left corner of the image (10 by 10 pixels) into a red square.
- Visualize the resulting image.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Set the red channel in this part of the image to 1
data[____] = ____
# Set the green channel in this part of the image to 0
data[____] = ____
# Set the blue channel in this part of the image to 0
data[____] = ____
# Visualize the result
____
____