Monthly Archives: December 2011

MacBook Pro 3.1 (late 2008) Battery Capacity

Well, my MacBook Pro (late 2008 I suppose) has reached at least 3 years old age. That’s been a while when I got it by curiosity and didn’t regret ever since. Throughout those years, I somehow managed to collect the … Continue reading

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MATLAB: Random Forest classifier

I knew it. One day my nice metric and continuous data approaches are no more valid for classification/regression. This typically occurs when some categorical data (e.g. ‘yes/no’, ‘small/medium/large’) comes in. What about also missing attributes? What if final decision can … Continue reading

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Spatial Translation Invariant Spatial Pyramid Histogram (SPH) descriptor

For scene recognition multiple global image descriptors exist. In our work for image-based localization one of used descriptors is Spatial Pyramid Histograms (SPH) [PDF] from S. Lazebnik. The basic idea of this descriptor is to harness the power of Bag … Continue reading

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MATLAB: ‘GLIBCXX_3.4.11′ not found’

MATLAB is a very nice environment for fast prototyping and offers many already available tools to get ready really fast on even complex computational problems. GNU offers a set of small and very well written NIX* oriented programs that solve … Continue reading

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Composite Receptive Field Histogram (CRFH) descriptor

For scene recognition, one of approaches to describe the scene is to use global descriptors. In literature there are many descriptors such as Bag of Visual Words [PDF], Spatial Pyramid Histograms [PDF], GIST [PDF] and their multiple improvements. In this … Continue reading

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VLAD Descriptor

There is an image descriptor in my honor! Actually, the descriptor VLAD is an acronym and stands for Vector of Locally Aggregated Descriptors. In visual scene classification the BoVW (Bag of Visual Words) type of information description is very popular. … Continue reading

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