Update readme.md

navkiran · web-flow · commit ddea33c4928a · 2020-03-14T12:19:55.000+05:30
diff --git a/algorithms/ImageProcessing/Nearest Neighbhor Interpolation/readme.md b/algorithms/ImageProcessing/Nearest Neighbhor Interpolation/readme.md
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 Used for resizing images. It assigns to each location the intensity of its nearest neighbor in original image. Refer [Gonzalez DIP Book](https://www.pearson.com/us/higher-education/program/Gonzalez-Digital-Image-Processing-4th-Edition/PGM241219.html) chapter 1.
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+Basic algorithm is as follows... 
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+For every pixel in resized image, we find the coordinate mapping in original image and copy over the pixel intensity from         there to pixel in output image.
