Leaflet.org

When I was a child, I loved looking for Waldo in the “Where’s Waldo?” book series. These days I’m a sucker for TMZ’s “What’s the Big Frigin Difference” images, where TMZ slightly changes an image and you have to spot the differences between the two. That got me to thinking — how easily could I automate diff’ing two images? This StackOverflow post was gold. To create a diff of two similar images, we’ll use ImageMagick’s convert command line utility with a large host of configurations: convert '(' image1.png -flatten -grayscale Rec709Luminance ')' '(' image2.png -flatten -grayscale Rec709Luminance ')' ... more →