Digits parsing mobile solution for getting numbers from gas, electricity (...) meters based on Titanium Appcelerator, node.js, tesseract-ocr and imagemagick.
Mobile client
Titanium Appcelerator integration
Server Managment
Remote server managment & configuration
OCR configuration
Remote server OCR configuration
Log managment
Server application & access logs managment
Server debuger
Remote OCR debuging
Mobile client
Simple and easy to use mobile client for numbers scanning.
Iteractive server managment
Interactive and easy to use server managment console.
Appcelerator Titanium
Simple Titanium Appcelerator integration. Titanium common.js module included.
Server based on node.js
Scalable and robust server technology prepared to process large ammount of requests.
Requirements
- tesseract-ocr v3.01
- ImageMagick v6.7.9-9
- node.js v0.8.11
- connect-flash v0.1.0
- ejs v0.8.3
- express v3.0.2
- imagemagick v0.1.3
- nconf v0.6.5
- passport v0.1.15
- passport-local v0.1.6
- winston v0.6.2
Tests
Real pictures taken with iPhone 4 and processed by OCRMeter server application.
| Image | OCR number | Description |
|---|---|---|
 |
5411.2 | |
 |
- | |
 |
6893 | |
 |
18393.3 | |
 |
160999.3 | |
 |
8722.3 | |
 |
5475.2 | |
 |
311100 | |
 |
5472 | |
 |
5955.1 | |
 |
71.1 | |
 |
- | |
 |
5944.2 | |
 |
5158.5 | |
 |
5948.5 | |
 |
305541.1 | |
 |
9158.5 | |
 |
511552.3 | |
 |
742100 | |
 |
5472 | |
 |
987210.1 | |
 |
999677.1 | |
 |
119515.1 | |
 |
51157.1 |
Usage
Titanium Appcelerator usage
var OCRparse = require('lib/OcrParse');
var ocr = new OCRparse();
//get picture and value
ocr.getValue(function(image, value, number) {
imageView.image = image;//image blob
valueLabel.text = number;//parsed number eg. 1234.5
valueLabel._value = value;//parsed value string eg. 12345
});
/*Update value only*/
ocr.updateValue(valueLabel._value, function(value, number) {
valueLabel.text = number;//parsed number eg. 1234.5
valueLabel._value = value;//parsed value string eg. 12345
});Server API
Get server status
GET http://host:port/api/getStatus{
"version": "0.1.0",
"debug": "on",
"status": "running"
}Get API version
GET http://host:port/api/getVersion{
"version": "0.1.0"
}Get value from picture
POST http://host:port/api/parseValue- image - image file
- decimalPlaces - decimal places of value (default 1)
- valueLength - digits count (default 7)
{
status: "done",
ocrValues: [
"0064750",
"0054759",
"9054754",
"9954754",
"9954754",
"9054754"
],
value: "9054754",
number: 905475.4
}License
Copyright (c) 2012 Miroslav Magda
Licensed under the Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)