Enhancing Spy Camera Photos of Documents
This post is about how you can processed a photo (spy photo) of a document using rectification and moving average thresholding in Matlab. The Problem We have all been in the situation where we wish…
Tag: filter
Smoothing a Halftone Photo using FFT
In this post I will show how to smooth a halftone image using the fast Fourier Transform (FFT). You can try this out yourself by downloading my Matlab code on the bottom of the article.…
How the FBI Found Swirl Face Using Photoshop
In October 8, 2007, Interpol released a photo of a man suspected of paedophilia with boys, see Interpol link. The investigation was named ‘Operation Vico’. It was a unique case, because the person on the…
Hybrid images: Adolf Chaplin and Miley Einstein
I recently attended a course in Image Processing and in one lecture my teacher showed me an image of Marilyn Monroe depicted in a newspaper. My teacher then took the newspaper and walked towards the…
