def getCameraParams(self):
        '''
        value positions based on 
        http://docs.opencv.org/modules/imgproc/doc/geometric_transformations.html#cv.InitUndistortRectifyMap
        '''
        c = self.coeffs['cameraMatrix']
        fx = c[0][0]
        fy = c[1][1]
        cx = c[0][2]
        cy = c[1][2]
        k1, k2, p1, p2, k3 = tuple(self.coeffs['distortionCoeffs'].tolist()[0])
        return fx, fy, cx, cy, k1, k2, k3, p1, p2
def getCameraParams ( self ) : c = self . coeffs [ 'cameraMatrix' ] fx = c [ 0 ] [ 0 ] fy = c [ 1 ] [ 1 ] cx = c [ 0 ] [ 2 ] cy = c [ 1 ] [ 2 ] k1 , k2 , p1 , p2 , k3 = tuple ( self . coeffs [ 'distortionCoeffs' ] . tolist ( ) [ 0 ] ) return fx , fy , cx , cy , k1 , k2 , k3 , p1 , p2
value positions based on 
        http://docs.opencv.org/modules/imgproc/doc/geometric_transformations.html#cv.InitUndistortRectifyMap