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Sometimes we need to use special versions of R (e.g. the latest version of R is not available in the repositories of the machine we need to use). This post describes a simple way of compiling R from sources and using it in RStudio or on servers without X.
This short post deals with contents, assignments and solutions of the (very cool) IM520 computer vision class by FH-Prof. DI Dr. Wilhelm Burger at the Campus Hagenberg of the University of Applied Sciences Upper Austria, which I attended from fall 2011 to summer 2012. I've delayed this post for quite a while now - so … Continue reading Computer Vision: IM520 Class Report (fall 2011/summer 2012)
Assume we have different types of objects with a common interface in a single list. Objects in our example are instances of Circle, Rect and Polygon, which are all GeometricForms. In order to treat different types of objects in the list differently people often use runtime based mechanisms like instanceof (reflection), which get object metainformation … Continue reading Visitor pattern to replace getting object metainformation from runtime
What's the RushHour Puzzle about? The RushHour puzzle is a sliding block puzzle and one of the toy problems of Artificial Intelligence. It's about moving cars on a game board, that are stuck in traffic, so that the main car can exit the traffic. Each car can only move forward/backward on it's lane. You probably … Continue reading The RushHour Puzzle – an Artificial Intelligence Toy Problem
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