├── fisheye_sample.jpg
├── README.md
├── fisheye_example.py
├── .gitignore
└── LICENSE


/fisheye_sample.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/smidm/opencv-python-fisheye-example/HEAD/fisheye_sample.jpg


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # OpenCV Python Fisheye Example
2 | 
3 | - `cv2.fisheye.undistortImage` example usage.
4 | - OpenCV version 3 or newer required.
5 | 


--------------------------------------------------------------------------------
/fisheye_example.py:
--------------------------------------------------------------------------------
 1 | import cv2
 2 | import numpy as np
 3 | 
 4 | assert float(cv2.__version__.rsplit('.', 1)[0]) >= 3, 'OpenCV version 3 or newer required.'
 5 | 
 6 | K = np.array([[  689.21,     0.  ,  1295.56],
 7 |               [    0.  ,   690.48,   942.17],
 8 |               [    0.  ,     0.  ,     1.  ]])
 9 | 
10 | # zero distortion coefficients work well for this image
11 | D = np.array([0., 0., 0., 0.])
12 | 
13 | # use Knew to scale the output
14 | Knew = K.copy()
15 | Knew[(0,1), (0,1)] = 0.4 * Knew[(0,1), (0,1)]
16 | 
17 | 
18 | img = cv2.imread('fisheye_sample.jpg')
19 | img_undistorted = cv2.fisheye.undistortImage(img, K, D=D, Knew=Knew)
20 | cv2.imwrite('fisheye_sample_undistorted.jpg', img_undistorted)
21 | cv2.imshow('undistorted', img_undistorted)
22 | cv2.waitKey()
23 | 
24 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
 1 | # Byte-compiled / optimized / DLL files
 2 | __pycache__/
 3 | *.py[cod]
 4 | 
 5 | # C extensions
 6 | *.so
 7 | 
 8 | # Distribution / packaging
 9 | .Python
10 | env/
11 | build/
12 | develop-eggs/
13 | dist/
14 | downloads/
15 | eggs/
16 | .eggs/
17 | lib/
18 | lib64/
19 | parts/
20 | sdist/
21 | var/
22 | *.egg-info/
23 | .installed.cfg
24 | *.egg
25 | 
26 | # PyInstaller
27 | #  Usually these files are written by a python script from a template
28 | #  before PyInstaller builds the exe, so as to inject date/other infos into it.
29 | *.manifest
30 | *.spec
31 | 
32 | # Installer logs
33 | pip-log.txt
34 | pip-delete-this-directory.txt
35 | 
36 | # Unit test / coverage reports
37 | htmlcov/
38 | .tox/
39 | .coverage
40 | .coverage.*
41 | .cache
42 | nosetests.xml
43 | coverage.xml
44 | *,cover
45 | 
46 | # Translations
47 | *.mo
48 | *.pot
49 | 
50 | # Django stuff:
51 | *.log
52 | 
53 | # Sphinx documentation
54 | docs/_build/
55 | 
56 | # PyBuilder
57 | target/
58 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2016 Matěj Šmíd
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 
23 | 


--------------------------------------------------------------------------------