├── README.md ├── LICENSE ├── .gitignore └── vid2img.py /README.md: -------------------------------------------------------------------------------- 1 | # Video to images 2 | 3 | Simple script to convert a video to an image sequence with blur detection using OpenCV. 4 | 5 | ## Usage 6 | 7 | ### Dependencies 8 | 9 | * OpenCV 10 | 11 | ### Example 12 | 13 | ```shell 14 | required arguments: 15 | -p PATH, --path PATH path to the video file 16 | 17 | optional arguments: 18 | -t THRESHOLD, --threshold THRESHOLD 19 | default threshold is 100.0. Use 10-30 for motion 20 | -s STEP, --step STEP frame step size 21 | --save SAVE path to save the frames in a directory 22 | ``` 23 | 24 | Example usage: 25 | 26 | ```shell 27 | python3 vid2img.py -p ./video.mp4 28 | ``` 29 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2018 Oscar Nord 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 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Byte-compiled / optimized / DLL files 2 | __pycache__/ 3 | *.py[cod] 4 | *$py.class 5 | 6 | # C extensions 7 | *.so 8 | 9 | # Distribution / packaging 10 | .Python 11 | build/ 12 | develop-eggs/ 13 | dist/ 14 | downloads/ 15 | eggs/ 16 | .eggs/ 17 | lib/ 18 | lib64/ 19 | parts/ 20 | sdist/ 21 | var/ 22 | wheels/ 23 | *.egg-info/ 24 | .installed.cfg 25 | *.egg 26 | MANIFEST 27 | 28 | # PyInstaller 29 | # Usually these files are written by a python script from a template 30 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 31 | *.manifest 32 | *.spec 33 | 34 | # Installer logs 35 | pip-log.txt 36 | pip-delete-this-directory.txt 37 | 38 | # Unit test / coverage reports 39 | htmlcov/ 40 | .tox/ 41 | .coverage 42 | .coverage.* 43 | .cache 44 | nosetests.xml 45 | coverage.xml 46 | *.cover 47 | .hypothesis/ 48 | .pytest_cache/ 49 | 50 | # Translations 51 | *.mo 52 | *.pot 53 | 54 | # Django stuff: 55 | *.log 56 | local_settings.py 57 | db.sqlite3 58 | 59 | # Flask stuff: 60 | instance/ 61 | .webassets-cache 62 | 63 | # Scrapy stuff: 64 | .scrapy 65 | 66 | # Sphinx documentation 67 | docs/_build/ 68 | 69 | # PyBuilder 70 | target/ 71 | 72 | # Jupyter Notebook 73 | .ipynb_checkpoints 74 | 75 | # pyenv 76 | .python-version 77 | 78 | # celery beat schedule file 79 | celerybeat-schedule 80 | 81 | # SageMath parsed files 82 | *.sage.py 83 | 84 | # Environments 85 | .env 86 | .venv 87 | env/ 88 | venv/ 89 | ENV/ 90 | env.bak/ 91 | venv.bak/ 92 | 93 | # Spyder project settings 94 | .spyderproject 95 | .spyproject 96 | 97 | # Rope project settings 98 | .ropeproject 99 | 100 | # mkdocs documentation 101 | /site 102 | 103 | # mypy 104 | .mypy_cache/ 105 | -------------------------------------------------------------------------------- /vid2img.py: -------------------------------------------------------------------------------- 1 | import sys 2 | import cv2 3 | import argparse 4 | import os 5 | 6 | 7 | print("OpenCV version"+cv2.__version__) 8 | 9 | 10 | def variance_of_laplacian(image): 11 | """ 12 | compute the Laplacian of the image and return the focus measure 13 | """ 14 | return cv2.Laplacian(image, cv2.CV_64F).var() 15 | 16 | 17 | parser = argparse.ArgumentParser() 18 | parser._action_groups.pop() 19 | required = parser.add_argument_group('required arguments') 20 | optional = parser.add_argument_group('optional arguments') 21 | required.add_argument("-p", "--path", type=str, default="", 22 | help="path to the video file", required=True) 23 | optional.add_argument("-t", "--threshold", type=float, default=100.0, 24 | help="default threshold is 100.0. Use 10-30 for motion") 25 | optional.add_argument("-s", "--step", type=int, 26 | default=1, help="frame step size") 27 | optional.add_argument("--save", default= "", type= str, help= "path to save the frames in a directory") 28 | args = vars(parser.parse_args()) 29 | 30 | if not args["path"]: 31 | sys.exit("Please supply a video file '-p '") 32 | 33 | vidcap = cv2.VideoCapture(args["path"]) 34 | 35 | success, image = vidcap.read() 36 | count = 0 37 | blurryFrame = 0 38 | savedFrame = 0 39 | frameStep = 0 40 | step = args["step"] 41 | 42 | print("Working...") 43 | 44 | while success: 45 | gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) 46 | fm = variance_of_laplacian(gray) 47 | 48 | if frameStep == step: 49 | if fm > args["threshold"]: 50 | savedFrame += 1 51 | image_path = os.path.join(args["save"], "frame%d.png" % count) 52 | cv2.imwrite(image_path, image) 53 | frameStep = 0 54 | 55 | if fm < args["threshold"]: 56 | blurryFrame += 1 57 | 58 | success, image = vidcap.read() 59 | count += 1 60 | frameStep += 1 61 | 62 | sys.exit("Done!") 63 | --------------------------------------------------------------------------------