python version:
1.put the calibration images to the test_data folder. Change the reference image to 'ref.jpg'
2.run calibration_aberration.py to correct the aberration of the lens.
3.run calibration.py
-use "w, s, a, d" to adjust the circle position, use "m,n" to adjust the radius of the circle
-press "Esc" after the adjustment
4.run test_poission.py