It uses the rectangle as a mask on the original image, before extracting the photoĪ fuzz factor is used to select the background colour.It extracts each red island and binds or surrounds it in a rectangle.Actual images will be islands of red surrounded by none.Fuzzy replaces the background colour by none and the rest by red.The basic sequence of how the Multicrop script works is as follows: There is a wonderful script called Multicrop’ ( ), which uses Imagemagick tools to crop and straighten images. This is clearly an example of xkcd automation ( )! However, it also falls into the category of spending time on what doesn’t seem like work! ( ). So, this month, let’s automate this tedious task to reduce the drudgery. It scans a page, but extracting photos from the scanned image is a very tedious task. How does one easily share memories stored in photo albums going back generations? Simple Scan is really handy. Lets explore how Imagemagick kills the drudgery in extracting photographs from scanned pages by automating the process.
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