blur.cpp

#include <opencv2/core/core.hpp>                                               
#include <opencv2/imgproc/imgproc.hpp>                                         
#include <opencv2/highgui/highgui.hpp>                                         

int                                                                            
main(int argc, char *argv[])                                                   
{                                                                              
 cv::Mat src_img = cv::imread("./960x460.jpg", 1);                            
 if(!src_img.data) return -1;                                                 

 cv::Mat dst_img;                                                             
 cv::GaussianBlur(src_img, dst_img, cv::Size(11,11), 10, 10);                 

 cv::imwrite("./blurred.jpg", dst_img);                                       
}   

blur.py

#!/usr/bin/python

import argparse
import cv2

def blurr(src, dst, sigma=48.0):
    size = int(sigma)
    if (size % 2 == 0):
        size = size + 1
    src_img = cv2.imread(src, 1)
    dst_img = cv2.GaussianBlur(src_img, (size, size), sigma, sigma)
    cv2.imwrite(dst, dst_img)

if __name__ == '__main__':
  parser = argparse.ArgumentParser()
  parser.add_argument('--src', help='')
  parser.add_argument('--dst', help='')
  parser.add_argument('--sigma', type=float, help='')
  args = parser.parse_args()

  blurr(args.src, args.dst, args.sigma)