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Tag: Image Processing
Enhancing Image Quality of Thermal Images (Seek)
As you may know, I recently bought the ”Seek Thermal Camera” for my smartphone. It works great, but the images I take are blurry and quite noisy. In this post I will try to sharpen …
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 …
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. …
Reducing VHS Salt-and-Pepper Noise
As I was watching a magician’s lecture from 1985 of the magician Tommy Wonder (stage name of Jacobus Maria Bemelman), I immediately noticed the distracting noise in the video. It looked like salt-and-pepper noise, but …
Deconstructing Swirl Face
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 …
Deconstructing the Gavle Goat
In Sweden we have this weird Yule goat made from straw that is erected each year just before 1st of December for people to look at. In the late nineties they even put up a …
Realistic Fire Simulation using Cellular Automata
In this post I will explain how you can create an interesting fire effect using simple “game of life”-like rules and some post processing and why it is not a good idea to do this …
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 …
