Read and recognize the counter of an electricity meter with OpenCV
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main.cpp Issue 10 - Port code to opencv 3 Aug 31, 2018
training.yml Read and recognize the counter of an electricity meter with OpenCV Feb 7, 2015

README.md

emeocv

Read and recognize the counter of an electricity meter with OpenCV.

OpenCV for the electricity meter

Prerequisites

  • g++, make
  • OpenCV 2 or 3 (Debian/Ubuntu/Raspbian: apt-get install libopencv-dev) - developed with OpenCV 2.3.1 and later ported to OpenCV 3.2.0
  • RRDtool (apt-get install rrdtool librrd-dev)
  • log4cpp (apt-get install liblog4cpp5-dev)

Build

cd emeocv
make

Usage

emeocv [-i <dir>|-c <cam>] [-l|-t|-a|-w|-o <dir>] [-s <delay>] [-v <level>]

Image input:
    -i <image directory> : read image files (png) from directory.
    -c <camera number> : read images from camera.

Operation:
    -a : adjust camera.
    -o <directory> : capture images into directory.
    -l : learn OCR.
    -t : test OCR.
    -w : write OCR data to RR database. This is the normal working mode.

Options:
    -s <n> : Sleep n milliseconds after processing of each image (default=1000).
    -v <l> : Log level. One of DEBUG, INFO, ERROR (default).

There is a tutorial that explains use case and function of the program: OpenCV practice: OCR for the electricity meter or OpenCV Praxis: OCR für den Stromzähler (in german language).

License

Copyright 2015,2018 Martin Kompf

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.