The uWave: Accelerometer-based Gesture Recognition project from the Rice Efficient Computing Group inspired me to build a small real time HTML based signature identification with Javascript. Actually gestures have not that much incommon with drawn handwriting, but I wanted to test Dynamic time warping on signatures. I am not sure if there is a real usecase for a signature identification in web applications, but it was fun to build this kind of prototyp. Feedback is welcome.

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I'm starting to digitalise many of my old tapes and vinyls. The final result should be my own multimedia center on a Raspberry Pi. Also important for me are my old DVDs. Today I would like to show, how to rip a DVD on Linux with HandBrake.

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I would like to collect here a small set of random value generators that I use pretty often.

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I guess some will smile about this post. But for me it wasn't that trivial to cut an object exactly in half with Inkscape. Maybe there are better ways to do that, but here is my simple one.

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I have some old compact cassettes or tapes that I would like to digitalise before time is destroying the quality completely. I will document the digitization with this post.

Digitalise cassette tape

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I bought myself a Nintendo Wii Remote Plus controller. Interesting for me are the acceleration data. Since it was not trivial to me, I will show in this post how I have connected a Wii Remote Plus controller with my notebook that runs Debian 8 Jessie.

Nintendo Wii Remote Plus

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Bootstrap responsive embed can be very helpful to show responsive PDF files or videos. But it supports only the aspect ration 16by9 and 4by3. But what about other aspect rations? For example 210by297 would be interesting to embed a A4 paper.

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In sommer 2015 I have visited the seminar Intelligent Software Systems at the TU Berlin. My topic was Fast Nearest Neighbour Classification. This post contains the results of the presentation and the term paper. Everything is open source and can be accessed on GitHub.

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When preparing my LaTeX slides with the beamer class for a presentation, I have used pretty often the pause command. This command splits a frame and hides the content under pause on the first frame. This is very helpful to give the audience step by step the content of a talk. But this can be very annoying when clicking throw the slides after the talk. There is a simple solution to ignore the pause commands.

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I had the pleasure to give a talk about Magento 2 content under version control at the Meet Magento NL 2016.

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