Category Archives: opencv

Unexpected solution to a detection problem

Before leaving for vacations I was fighting a very curious issue with my chessboard detection algorithm.  All my tests were done with pictures of chessboards that occupied most of the image.  The tests where very positive even for outside picture … Continue reading

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The marker thingy worked :)

After a week of debugging I got the code to do what I wanted.  I have successfully detected a bit stream in the chessboard marker image.  I had to correct for a small error that I encountered las week that … Continue reading

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New project image label

After some weeks of fiddling with opencv chessboard functions, I finally managed to detect some information on a modified board.  I do still need to address some small mistakes that are related to color detection.  These should be ironed out … Continue reading

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Image adjust, Its working!!!

Finally got a working command out of my opencv experiment.  I still need to work on some additional aspects.  but the overall src is already finished.  I ended up with 3 major states for the command: video_demo:  This state shows … Continue reading

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Calculate the scaling factor

A couple of days ago I was worried because I did not know how to calculate the scaling factor for my opencv project.  Today I realized that I is easier than I first thought. Lets go over what I am … Continue reading

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Image adjust with opencv

I was surprised when it actually did what I thought it was going to do :).  Surprised and filled with excitement.  I’m talking about my image adjust command.  Today was the first time it took a video feed (AVI file) … Continue reading

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Opencv 2.1.0 for fedora13

After some frustrating hours of debugging I found out that my code was not being able to read the AVI file because I was using a opencv built without the gstreamer-devel package (among others).  It was a bit of a … Continue reading

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