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2014-04-28 14:22:12 -0600 answered a question How to plot a graph or histogram using Opencv?

You can see how to create/plot a histogram of an image in OpenCV here:

http://docs.opencv.org/doc/tutorials/imgproc/histograms/histogram_calculation/histogram_calculation.html

2014-04-28 14:15:36 -0600 answered a question Up to date version of Mergevec.cpp?

Hi, you can compile mergevec in Ubuntu 13.10 using the following command:

g++ pkg-config --libs --cflags opencv -I. -o mergevec mergevec.cpp cvboost.cpp cvcommon.cpp cvsamples.cpp cvhaarclassifier.cpp cvhaartraining.cpp -lopencv_core -lopencv_calib3d -lopencv_imgproc -lopencv_highgui -lopencv_objdetect