//use img = new Image<Bgr, byte>("../../../../src/Tests_hough/images/rbc_single_oblong_4.png")
//use img = new Image<Bgr, byte>("../../../../src/Tests_hough/images/strange_rbc_1.png")
//use img = new Image<Bgr, byte>("../../../../src/Tests_hough/images/rbc_single_blurred.png")
//use img = new Image<Bgr, byte>("../../../../src/Tests_hough/images/rbc_single_oblong_4.png")
//use img = new Image<Bgr, byte>("../../../../src/Tests_hough/images/strange_rbc_1.png")
//use img = new Image<Bgr, byte>("../../../../src/Tests_hough/images/rbc_single_blurred.png")