Image processing
So now that we have an image, what can we do with it? You have probably played with Photoshop, or some other image manipulation program such as GIMP, and you know that there are thousands of operations, filters, changes, and tricks you can play on images. What are a few of them? We can make an image brighter or darker by adjusting the brightness. We can increase the contrast between the white parts of the image and the dark parts. We can make an image blurry, usually by applying a Gaussian blur filter. We can also make an image sharper (somewhat) by using a filter such as unsharp mask. You may have also tried an edge detector filter, such as the Canny filter, to isolate the edges of an image, where color or value changes. ...
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