• About Kevin

    Software engineer. Tea drinker

    http://MrPfister.com

    Kona Jake the Snake Carbon 2016 Review

    by  • April 4, 2017 • Cycling • 6 Comments

    For the longest time my bike of choice has been my Kona Sutra which I bought just over two years ago, but with my 30th birthday approaching I thought it was time to have a bike that could go just a little bit faster. Don’t get me wrong, the Kona Sutra is an incredible...

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    OpenCV Colour Temperature Calibration via rendition chart

    by  • February 26, 2017 • Programming • 2 Comments

    Different types of light output different colour temperatures which is expressed in kelvin; ranging from the yellow end of the spectrum e.g. 2800k up to blue e.g. 6500k. Natural sunlight is around 5500-6000k. I could spend a long time discussing colour temperature and how its the temperature of an ideal black body radiator which emits light...

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    Brompton M6L Weight Saving Project

    by  • January 29, 2017 • Cycling, Journal • 3 Comments

    Schwable Kojak Tyre

    Just under a month ago I bought myself a 2017 Brompton M6L, and I have to say it is incredible. Like most bikes however, especially one constructed of steel; it has a weight penalty. My configuration according to Brompton weighs 11.78kg, I don’t have any accurate luggage scales and Bromptons guide is meant to...

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    Brompton M6L 2017 Review

    by  • January 8, 2017 • Cycling • 1 Comment

    Brompton 2017 M6L

    I am now officially a Brompton owner. After having all sorts of bicycles; mountain bike, touring bike, downhill bike, road bike, even a unicycle. I had never had a folding bicycle. Till now that is. Evans Cycles *shudders* had a sale on their 2016 Bromptons so I purchased a M3L in light blue. Evans...

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    Guide to put your Brompton on a Diet

    by  • January 8, 2017 • Cycling • 0 Comments

    Recently I have joined the countless people around the world who have invested in a Brompton Bicycle. It is an incredible bicycle; the most fun I’ve had on a bicycle for a long time! and already is helping me get around, however at the back of my mind is always the engineer who asks;...

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    OpenCV Colour space and LAB WhitePoint

    by  • June 20, 2016 • Programming • 0 Comments

    Recently I have had the fun task of trying to normalise colours between two sets of images in OpenCV. Being a photographer I thought the easiest way of doing this would be to use a Macbeth Colour Chart such as the datacolor spyderCheckr24 which I have for each of the sets and convert to...

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    Kona Sutra 2015 Build and Review

    by  • June 10, 2015 • Journal • 2 Comments

    Kona Sutra 2015

    My journey with Kona Bikes started off with a 2003 Kona Kahuna, and today I became the proud owner of a 2015 Kona Sutra to add to my collection. The 2015 Kona Sutra is aimed as an intermediate level adventure/touring bike but also suited for your everyday commute or weekend leisure ride over a...

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    Porting WPF applications to Windows Universal Apps

    by  • May 20, 2015 • .Net, Programming • 1 Comment

    This article is part of a series of articles I have written covering WPF; improving its performance, its quirks and associated workarounds, as well as porting it to WUA Applications: Improving WPF Rendering Performance (Part 1) Improving WPF Rendering performance (Part 2) Improving WPF Rendering performance (Part 3) Troubleshooting Video Playback in WPF Writing...

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    Developing Sites for IE7 Compatibility

    by  • May 20, 2015 • Journal • 0 Comments

    When it comes to web design, one of the biggest set backs is trying to accomodate older browsers. Gone are the days where you could put a label stating ‘Best viewed in Netscape’, users expect websites to just work or degrade gracefully. IE6 for the most part has been the nightmare of most developers...

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    Wiltshire Armed Forces Day 2014

    by  • July 1, 2014 • Photography • 0 Comments

      At the weekend I had chance to pop along to the Wiltshire Armed Forces Day 2014 which was being held in a Trowbridge Park, lots of people turned up and there were lots of things to see and do. I’m not a military person myself and ‘the only way to win is not...

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