GStreamer: new installer packages for windows   11 comments

Update December 14, 2009: Newer releases of GStreamer-winbuilds (starting with 0.10.5) are available at the ossbuild website. To get feedback and support please check the project wiki and forum.

Together with Andoni Morales Alastruey (the author of the sports video analysis long-o-match) we have prepared a new set of installation packages for Windows (XP and Vista 32 bits) based on the OABuild project. We introduced some modifications to OAbuild in order to improve compatibility and provide video decoding and encoding in a larger number of codecs.
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Posted January 8, 2009 by ac in Programming

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proTablet: tablet library for Processing based on JPen   13 comments

I wrote a little Processing library that encapsulates the JPen package to access graphic tablets in Java. JPen can be used directly in Processing, but proTablet makes the syntax a little bit easier. Download it from here.

Update: Now protTablet has a simple website from where you can access the downloads, examples, reference, and some other useful links.

Processing library for feature detection and tracking   33 comments

The KLT (Kanade-Lucas-Tomasi) is an algorithm for computer vision that tracks points in a sequence of images (a video for example). Points are selected by being at the corner pixels of the image (pixels where edges intersect). Depending on how an image in the sequence distorts into the next, the algorithm computes an optical flow that allows to track the detected points in time, until the disappear from the image and are replaced by new ones.
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0.8.9.4 release of GLGraphics and roadmap   13 comments

Hello, today I upload a new version of glraphics: 0.8.9.4. As usual, download from sourceforge. This version is compiled with Java 1.5, which hopefully will solve the compatilbility issues some people were experiencing. Read the rest of this entry »

Posted December 17, 2008 by ac in Programming

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GLGraphics presentation at the ACE 2008 Conference   Leave a comment

I recently made a short presentation on GLGraphics at the International Conference  on Advances in Computer Entertainment Technology (ACE 2008). It took place at the Yokohama campus of Keio University, Japan, between December 3rd and 5th. The full program of the conference is available here, and you can also download the paper my presentation was about from here.
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Posted December 13, 2008 by ac in Conferences

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