PlayChessWithAWebCam

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OsProject
edit
id  PlayChessWithAWebCam
state  
owner  Wolfgang Fahl
title  Play Chess With A WebCam
url  https://github.com/WolfgangFahl/play-chess-with-a-webcam
version  0.0.1
description  
date  2019/10/21
since  
until  

PlayChessWithAWebCam2019-10-26.png

Motivation

See MagneticSensorChessBoard1987 for the initial project of 1987. Time has moved on and the goals of the 1987 project can be achieved with less hardware and software in a more convenient manner these days.

State of Project

As of 2019-10-24 version 0.0.1 has not been released yet. The state of the project is development/alpha.

There is already a lof of stuff to try out and to participate in this open source project.

The scripts:

  • still
  • record

are already useful for taking pictures and movie recordings of your chess match. The detection of the board and moves is not fully operational yet.


If you'd like to experiment a bit you can run the tests which will show some debug output.

opencv tutorial stuff

Also in the opencvtutoral directory you'll find:

  • colorcluster.py
  • histogramm.py
  • hough_lines.py

hough lines

python3 opencvtutorial/hough_lines.py testMedia/chessBoard002.jpg

ChessBoard002.jpg DetectedProbabilisticHough2019-10-21.png DetectedHough2019-10-21.png

histogramm / colorcluster

ChessBoard006.jpg

python3 opencvtutorial/histogramm.py testMedia/chessBoard006.jpg

Hsvhistogramm2019-10-21.jpg

python3 opencvtutorial/colorcluster.py testMedia/chessBoard006.jpg
Clusterization took 2.8 s for 1 channels
Clusterization took 4.5 s for 2 channels
Clusterization took 6.7 s for 3 channels

ColorCluster2019-10-21.jpg

Installation

Prerequisites: python3.7 (install script will check and try automatic installation in Ubuntu/MacOS)

git clone https://github.com/WolfgangFahl/play-chess-with-a-webcam
Cloning into 'play-chess-with-a-webcam'...
remote: Enumerating objects: 57, done.
remote: Counting objects: 100% (57/57), done.
remote: Compressing objects: 100% (40/40), done.
remote: Total 385 (delta 29), reused 34 (delta 17), pack-reused 328
Receiving objects: 100% (385/385), 1.79 MiB | 3.17 MiB/s, done.
Resolving deltas: 100% (244/244), done
cd play-chess-with-a-webcam
scripts/install
checking that python3  is installed on os Linux ...
/usr/bin/python3
checking that pip3  is installed on os Linux ...
installing pip3 from apt-package python3-pip
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following package was automatically installed and is no longer required:
  libevent-core-2.1-6
Use 'sudo apt autoremove' to remove it.
The following additional packages will be installed:
  libexpat1-dev libpython3-dev libpython3.6-dev python-pip-whl python3-dev
  python3-setuptools python3-wheel python3.6-dev
Suggested packages:
  python-setuptools-doc
The following NEW packages will be installed:
  libexpat1-dev libpython3-dev libpython3.6-dev python-pip-whl python3-dev
  python3-pip python3-setuptools python3-wheel python3.6-dev
0 upgraded, 9 newly installed, 0 to remove and 40 not upgraded.
Need to get 47,5 MB of archives.
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Usage

Command line usage

scripts/run -h
usage: ChessCam.py [-h] [--nouci] [--input INPUT] [--debug]
                   [--cornermarker CORNERMARKER] [--fullScreen]

ChessCam Argument Parser

optional arguments:
  -h, --help            show this help message and exit
  --nouci               Don't use the UCI interface.
  --input INPUT         Manually set the input device.
  --debug               show debug output
  --cornermarker CORNERMARKER
                        filepath for an image of the cornermarker being used
  --fullScreen          Display output in fullScreen mode

Recording

Still images

scripts/still

Video of match

scripts/record

Testing

scripts/test
============================= test session starts =============================
platform darwin -- Python 3.7.4, pytest-5.2.1, py-1.8.0, pluggy-0.12.0
rootdir: /Users/wf/source/python/play-chess-with-a-webcam
plugins: cov-2.8.1
collected 11 items                                                            

src/test_Board.py .                                                     [  9%]
src/test_ChessCam.py .                                                  [ 18%]
src/test_OpenCV_version.py .                                            [ 27%]
src/test_Video.py ...                                                   [ 54%]
src/test_findBoard.py .....                                             [100%]

---------- coverage: platform darwin, python 3.7.4-final-0 -----------
Name                         Stmts   Miss  Cover
------------------------------------------------
src/Args.py                     10      7    30%
src/Board.py                    33      3    91%
src/BoardFinder.py             186     12    94%
src/Cell.py                     10      4    60%
src/ChessCam.py                 86     59    31%
src/InputManager.py             57     37    35%
src/MovementDetector.py         55     40    27%
src/StateDetector.py            92     75    18%
src/Video.py                   133     48    64%
src/mathUtils.py                49     25    49%
src/test_Board.py               23      3    87%
src/test_ChessCam.py             4      0   100%
src/test_OpenCV_version.py       6      0   100%
src/test_Video.py               28      0   100%
src/test_findBoard.py           49      0   100%
------------------------------------------------
TOTAL                          821    313    62%


============================= 11 passed in 25.18s =============================

Hardware

see e.g Raspberry_PI_Chessboard_Camera

Source Code

play-chess-with-a-webcam

see github fork at

Written in python2 migrated to python3.7. see https://unix.stackexchange.com/a/410851/38701 for selection your python version on Ubuntu

Code Structure

OS-Support

MacOS High Sierra 10.13.6

MacPorts: 2.6.2

Install

scripts/install
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  Downloading https://files.pythonhosted.org/packages/c3/8b/af9e0984f5c0df06d3fab0bf396eb09cbf05f8452de4e9502b182f59c33b/matplotlib-3.1.1-cp37-cp37m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl (14.4MB)
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Requirement already satisfied: packaging in /opt/local/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from pytest->-r requirements.txt (line 4)) (19.2)
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Installing collected packages: kiwisolver, cycler, matplotlib, scipy, coverage, pytest-cov, python-chess
Successfully installed coverage-4.5.4 cycler-0.10.0 kiwisolver-1.1.0 matplotlib-3.1.1 pytest-cov-2.8.1 python-chess-0.28.3 scipy-1.3.1

Test

scripts/test 
=========================================== test session starts ===========================================
platform darwin -- Python 3.7.3, pytest-5.2.1, py-1.8.0, pluggy-0.13.0
rootdir: /Users/wf/source/python/play-chess-with-a-webcam
plugins: cov-2.8.1
collected 11 items                                                                                        

src/test_Board.py .                                                                                 [  9%]
src/test_ChessCam.py .                                                                              [ 18%]
src/test_OpenCV_version.py .                                                                        [ 27%]
src/test_Video.py ...                                                                               [ 54%]
src/test_findBoard.py .....                                                                         [100%]

---------- coverage: platform darwin, python 3.7.3-final-0 -----------
Name                         Stmts   Miss  Cover
------------------------------------------------
src/Args.py                     10      7    30%
src/Board.py                    33      3    91%
src/BoardFinder.py             186     12    94%
src/Cell.py                     10      4    60%
src/ChessCam.py                 86     59    31%
src/InputManager.py             57     37    35%
src/MovementDetector.py         55     40    27%
src/StateDetector.py            92     75    18%
src/Video.py                   133     48    64%
src/mathUtils.py                49     25    49%
src/test_Board.py               23      3    87%
src/test_ChessCam.py             4      0   100%
src/test_OpenCV_version.py       6      0   100%
src/test_Video.py               28      0   100%
src/test_findBoard.py           49      0   100%
------------------------------------------------
TOTAL                          821    313    62%


=========================================== 11 passed in 37.60s ===========================================

Ubuntu 18.04.3 LTS bionic beaver

Install

scripts/install 
checking that python3  is installed on os Linux ...
/usr/bin/python3
checking that pip3  is installed on os Linux ...
installing pip3 from apt-package python3-pip
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following package was automatically installed and is no longer required:
  libevent-core-2.1-6
Use 'sudo apt autoremove' to remove it.
The following additional packages will be installed:
  libexpat1-dev libpython3-dev libpython3.6-dev python-pip-whl python3-dev
  python3-setuptools python3-wheel python3.6-dev
Suggested packages:
  python-setuptools-doc
The following NEW packages will be installed:
  libexpat1-dev libpython3-dev libpython3.6-dev python-pip-whl python3-dev
  python3-pip python3-setuptools python3-wheel python3.6-dev
0 upgraded, 9 newly installed, 0 to remove and 40 not upgraded.
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  Downloading https://files.pythonhosted.org/packages/76/bc/394ad449851729244a97857ee14d7cba61ddb268dce3db538ba2f2ba1f0f/py-1.8.0-py2.py3-none-any.whl (83kB)
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Requirement already satisfied: python-dateutil>=2.1 in /usr/lib/python3/dist-packages (from matplotlib->-r requirements.txt (line 6))
Collecting kiwisolver>=1.0.1 (from matplotlib->-r requirements.txt (line 6))
  Downloading https://files.pythonhosted.org/packages/f8/a1/5742b56282449b1c0968197f63eae486eca2c35dcd334bab75ad524e0de1/kiwisolver-1.1.0-cp36-cp36m-manylinux1_x86_64.whl (90kB)
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Collecting cycler>=0.10 (from matplotlib->-r requirements.txt (line 6))
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Collecting coverage>=4.4 (from pytest-cov->-r requirements.txt (line 10))
  Downloading https://files.pythonhosted.org/packages/51/b1/13609068fff1c8c056f0c4601ad6985cf5c1bbfc529196ab08bd2a57dc39/coverage-4.5.4-cp36-cp36m-manylinux1_x86_64.whl (205kB)
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  Downloading https://files.pythonhosted.org/packages/74/3d/1ee25a26411ba0401b43c6376d2316a71addcc72ef8690b101b4ea56d76a/zipp-0.6.0-py2.py3-none-any.whl
Requirement already satisfied: setuptools in /usr/lib/python3/dist-packages (from kiwisolver>=1.0.1->matplotlib->-r requirements.txt (line 6))
Installing collected packages: numpy, opencv-python, more-itertools, zipp, importlib-metadata, pluggy, atomicwrites, packaging, wcwidth, attrs, py, pytest, kiwisolver, cycler, matplotlib, scipy, coverage, pytest-cov, python-chess
Successfully installed atomicwrites-1.3.0 attrs-19.3.0 coverage-4.5.4 cycler-0.10.0 importlib-metadata-0.23 kiwisolver-1.1.0 matplotlib-3.1.1 more-itertools-7.2.0 numpy-1.17.3 opencv-python-4.1.1.26 packaging-19.2 pluggy-0.13.0 py-1.8.0 pytest-5.2.1 pytest-cov-2.8.1 python-chess-0.28.3 scipy-1.3.1 wcwidth-0.1.7 zipp-0.6.0

Test

scripts/test 
============================= test session starts =============================
platform linux -- Python 3.6.8, pytest-5.2.1, py-1.8.0, pluggy-0.13.0
rootdir: /home/wf/source/python/play-chess-with-a-webcam
plugins: cov-2.8.1
collected 11 items                                                            

src/test_Board.py .                                                     [  9%]
src/test_ChessCam.py .                                                  [ 18%]
src/test_OpenCV_version.py .                                            [ 27%]
src/test_Video.py ...                                                   [ 54%]
src/test_findBoard.py .....                                             [100%]

----------- coverage: platform linux, python 3.6.8-final-0 -----------
Name                         Stmts   Miss  Cover
------------------------------------------------
src/Args.py                     10      7    30%
src/Board.py                    33      3    91%
src/BoardFinder.py             186     12    94%
src/Cell.py                     10      4    60%
src/ChessCam.py                 86     59    31%
src/InputManager.py             57     37    35%
src/MovementDetector.py         55     40    27%
src/StateDetector.py            92     75    18%
src/Video.py                   133     48    64%
src/mathUtils.py                49     25    49%
src/test_Board.py               23      3    87%
src/test_ChessCam.py             4      0   100%
src/test_OpenCV_version.py       6      0   100%
src/test_Video.py               28      0   100%
src/test_findBoard.py           49      0   100%
------------------------------------------------
TOTAL                          821    313    62%


============================= 11 passed in 32.41s =============================

Rapspbian 9.8 stretch

Install

if the install fails e.g. with an Exception in urlopen you might want to restart the install.

scripts/install 
checking that python3  is installed on os Linux ...
/usr/bin/python3
checking that pip3  is installed on os Linux ...
/usr/bin/pip3
Collecting opencv-python (from -r requirements.txt (line 2))
  Using cached https://www.piwheels.org/simple/opencv-python/opencv_python-3.4.4.19-cp35-cp35m-linux_armv7l.whl
Collecting pytest (from -r requirements.txt (line 4))
  Using cached https://files.pythonhosted.org/packages/0c/91/d68f68ce54cd3e8afa1ef73ea1ad44df2438521b64c0820e5fd9b9f13b7d/pytest-5.2.1-py3-none-any.whl
Collecting matplotlib (from -r requirements.txt (line 6))
  Using cached https://www.piwheels.org/simple/matplotlib/matplotlib-3.0.3-cp35-cp35m-linux_armv7l.whl
Collecting scipy (from -r requirements.txt (line 8))
  Using cached https://www.piwheels.org/simple/scipy/scipy-1.3.1-cp35-cp35m-linux_armv7l.whl
Collecting pytest-cov (from -r requirements.txt (line 10))
  Using cached https://files.pythonhosted.org/packages/b9/54/3673ee8be482f81527678ac894276223b9814bb7262e4f730469bb7bf70e/pytest_cov-2.8.1-py2.py3-none-any.whl
Collecting python-chess (from -r requirements.txt (line 12))
  Using cached https://files.pythonhosted.org/packages/58/70/72dc875a30ac7f26e0bec45714d67b19e0f498de920323b906995a741a88/python_chess-0.28.3-py3-none-any.whl
Requirement already satisfied: numpy>=1.12.1 in /usr/lib/python3/dist-packages (from opencv-python->-r requirements.txt (line 2))
Collecting pathlib2>=2.2.0; python_version < "3.6" (from pytest->-r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/e9/45/9c82d3666af4ef9f221cbb954e1d77ddbb513faf552aea6df5f37f1a4859/pathlib2-2.3.5-py2.py3-none-any.whl
Collecting packaging (from pytest->-r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/cf/94/9672c2d4b126e74c4496c6b3c58a8b51d6419267be9e70660ba23374c875/packaging-19.2-py2.py3-none-any.whl
Collecting atomicwrites>=1.0 (from pytest->-r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/52/90/6155aa926f43f2b2a22b01be7241be3bfd1ceaf7d0b3267213e8127d41f4/atomicwrites-1.3.0-py2.py3-none-any.whl
Collecting pluggy<1.0,>=0.12 (from pytest->-r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/92/c7/48439f7d5fd6bddb4c04b850bb862b42e3e2b98570040dfaf68aedd8114b/pluggy-0.13.0-py2.py3-none-any.whl
Collecting py>=1.5.0 (from pytest->-r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/76/bc/394ad449851729244a97857ee14d7cba61ddb268dce3db538ba2f2ba1f0f/py-1.8.0-py2.py3-none-any.whl (83kB)
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Collecting importlib-metadata>=0.12; python_version < "3.8" (from pytest->-r requirements.txt (line 4))
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Collecting attrs>=17.4.0 (from pytest->-r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/a2/db/4313ab3be961f7a763066401fb77f7748373b6094076ae2bda2806988af6/attrs-19.3.0-py2.py3-none-any.whl
Collecting wcwidth (from pytest->-r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/7e/9f/526a6947247599b084ee5232e4f9190a38f398d7300d866af3ab571a5bfe/wcwidth-0.1.7-py2.py3-none-any.whl
Collecting more-itertools>=4.0.0 (from pytest->-r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/45/dc/3241eef99eb45f1def35cf93af35d1cf9ef4c0991792583b8f33ea41b092/more_itertools-7.2.0-py3-none-any.whl (57kB)
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Collecting kiwisolver>=1.0.1 (from matplotlib->-r requirements.txt (line 6))
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Collecting pyparsing!=2.0.4,!=2.1.2,!=2.1.6,>=2.0.1 (from matplotlib->-r requirements.txt (line 6))
  Downloading https://files.pythonhosted.org/packages/11/fa/0160cd525c62d7abd076a070ff02b2b94de589f1a9789774f17d7c54058e/pyparsing-2.4.2-py2.py3-none-any.whl (65kB)
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Collecting python-dateutil>=2.1 (from matplotlib->-r requirements.txt (line 6))
  Downloading https://files.pythonhosted.org/packages/41/17/c62faccbfbd163c7f57f3844689e3a78bae1f403648a6afb1d0866d87fbb/python_dateutil-2.8.0-py2.py3-none-any.whl (226kB)
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Collecting cycler>=0.10 (from matplotlib->-r requirements.txt (line 6))
  Downloading https://files.pythonhosted.org/packages/f7/d2/e07d3ebb2bd7af696440ce7e754c59dd546ffe1bbe732c8ab68b9c834e61/cycler-0.10.0-py2.py3-none-any.whl
Collecting coverage>=4.4 (from pytest-cov->-r requirements.txt (line 10))
  Downloading https://www.piwheels.org/simple/coverage/coverage-4.5.4-cp35-cp35m-linux_armv7l.whl (210kB)
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Requirement already satisfied: six in /usr/lib/python3/dist-packages (from pathlib2>=2.2.0; python_version < "3.6"->pytest->-r requirements.txt (line 4))
Collecting zipp>=0.5 (from importlib-metadata>=0.12; python_version < "3.8"->pytest->-r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/74/3d/1ee25a26411ba0401b43c6376d2316a71addcc72ef8690b101b4ea56d76a/zipp-0.6.0-py2.py3-none-any.whl
Requirement already satisfied: setuptools in /usr/lib/python3/dist-packages (from kiwisolver>=1.0.1->matplotlib->-r requirements.txt (line 6))
Installing collected packages: opencv-python, pathlib2, pyparsing, packaging, atomicwrites, more-itertools, zipp, importlib-metadata, pluggy, py, attrs, wcwidth, pytest, kiwisolver, python-dateutil, cycler, matplotlib, scipy, coverage, pytest-cov, python-chess
Successfully installed atomicwrites-1.3.0 attrs-19.3.0 coverage-4.5.4 cycler-0.10.0 importlib-metadata-0.23 kiwisolver-1.1.0 matplotlib-3.0.3 more-itertools-7.2.0 opencv-python-3.4.4.19 packaging-19.2 pathlib2-2.3.5 pluggy-0.13.0 py-1.8.0 pyparsing-2.4.2 pytest-5.2.1 pytest-cov-2.8.1 python-chess-0.28.3 python-dateutil-2.8.0 scipy-1.3.1 wcwidth-0.1.7 zipp-0.6.0

Test

if you run into the ImportError: libcblas.so.3: cannot open shared object file: No such file or directory error you might want to run both lines otherwise simply try the test script itself

pip3 install opencv-python; sudo apt-get install -y libcblas-dev libhdf5-dev libhdf5-serial-dev libatlas-base-dev libjasper-dev  libqtgui4  libqt4-test

run tests

scripts/test
...
ImportError: numpy.core.multiarray failed to import

The issue is that this project needs Python3.7 to work which can only be installed manually by compiling on stretch at this time (which i didn't try out ...)