Comparison between run time of SimpleCV, OpenCV(python) and OpenCV(C++) Boost::Python bindings.

Makefile

PYTHON_VERSION = 2.7
PYTHON_INCLUDE = /usr/include/python$(PYTHON_VERSION)

# location of the Boost Python include files and library

BOOST_INC = /usr/include
BOOST_LIB = /usr/lib

# compile mesh classes
TARGET = opencvtest

$(TARGET).so: $(TARGET).o
	g++ -shared -Wl,--export-dynamic $(TARGET).o -L$(BOOST_LIB) -lboost_python -L/usr/lib/python$(PYTHON_VERSION)/config -lpython$(PYTHON_VERSION) -o $(TARGET).so `pkg-config --libs opencv` `pkg-config --cflags opencv`

$(TARGET).o: $(TARGET).cpp
	g++ -I$(PYTHON_INCLUDE) -I$(BOOST_INC) -fPIC -c $(TARGET).cpp

opencv_load.py

import time
def foo():
    image = "/home/jay/Pictures/python.jpg"
    t = time.time()
    from cv2.cv import LoadImage
    img = LoadImage(image)
    t1 = time.time()
    from SimpleCV import Image
    img1 = Image(image)
    t2 = time.time()
    from opencvtest import load
    img3 = load(image)
    t3 = time.time()
    print t1-t
    print t2-t1
    print t3-t2
    
foo()

opencvtest.cpp

#include<opencv2/highgui/highgui.hpp>
using namespace cv;
using namespace std;

int load(string filename)
{

    Mat img = imread(filename,CV_LOAD_IMAGE_COLOR);
    //imshow("opencvtest",img);
    //waitKey(0);
    return 1;
}

//#include<boost/python/detail/wrap_python.hpp>
#include<boost/python.hpp>
using namespace boost::python;
BOOST_PYTHON_MODULE(opencvtest)
{
    def("load",load);
}

run_test.sh

echo "Compiling"
make
echo "Please change the image filename in opencv_load.py"
python opencv_load.py