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Channel: Programming – MatzJB
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Approximating pi using Apples

The tree. In this post I will look at a new variant of an old way of approximating pi using random numbers, a so-called “Monte Carlo” method. Yes, Monte Carlo as in the casino. There is another way of...

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How to train your Quadcopter

I have not seen “How to train your dragon”, but I have heard about it. Anyway, this post is not about dragons but the next best thing, quadcopters! Sure, a quadcopter can’t expel fire from its mouth,...

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Deconstructing the Gavle Goat

The Gävle goat was disassembled late 2014. Long live the old goat. Photo borrowed from Sverigesradio.se (link) In Sweden we have this weird Yule goat made from straw that is erected each year just...

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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...

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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. Original...

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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. Before (left) after (right). The Problem We have all been in...

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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 the images using a...

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Gavle Goat is on Fire!

Gavle goat burning the dec 27 2015. A red letter day, as far as goat burning goes. Yay! The old goat caught on fire today, happy days (for me). According to the webcam time, the goat was set ablaze...

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Advent of Code 2016

For the impatient: jump to versions of my code: final version second version first version So, I was introduced to this website called “Advent of Code” http://adventofcode.com just the other day, it’s...

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Starting with ThreeJS

This is a first post about my endevors delving into the world of Javascript and ThreeJS. It is a ‘hello world’ to both javascript and ThreeJS. In this post I will show how to create a simple Rubik’s...

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