Camalian

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Building a Color-based Image Search Engine in Ruby

by Nazar Hussain

With modern image editing tools, we often take for granted the ability to extract or identify color on some part of any image. However, doing it programmatically is not exactly so straightforward. Camalian, a Ruby gem, changes that, making extracting and manipulating colors in an image as easy as possible. In this article, Toptal engineer Nazar Hussain provides some insight into how various color spaces work, introduces Camalian, and gives an overview of how to use it to build a color-based image search engine in Ruby.

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