Images from Digital Image Processing, 3rd ed, by Gonzalez and Woods.

From: https://www.imageprocessingplace.com/DIP-3E/dip3e_book_images_downloads.htm

Permission is required from the owner of a © image if the image is used for other than personal
educational or research purposes. See copyright file.

copyright file: https://www.imageprocessingplace.com/DIP-3E/dip3e_copyrights.htm
