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发票识别
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发票识别
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@ccccccmd
ccccccmd committed Jan 23, 2016
1 parent ed6151d commit 95aeb04
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87 changes: 87 additions & 0 deletions 发票识别/发票编号识别/Form1.Designer.cs
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131 changes: 131 additions & 0 deletions 发票识别/发票编号识别/Form1.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using AForge.Imaging.Filters;
using AForge.Video;
using AForge.Video.DirectShow;

namespace 发票编号识别
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
this.cameras = new FilterInfoCollection(AForge.Video.DirectShow.FilterCategory.VideoInputDevice);
int i = 1;
int count = cameras.Count;
foreach (FilterInfo camera in this.cameras)
{
if (!this.cameraDict.ContainsKey(camera.Name))
this.cameraDict.Add(camera.Name, camera.MonikerString);
else
{
this.cameraDict.Add(camera.Name + "-" + i.ToString(), camera.MonikerString);
i++;
}
}
this.cb_Devices.DataSource = new List<string>(cameraDict.Keys); //Bind camera names to combobox

if (this.cb_Devices.Items.Count == 0)
btn_check.Enabled = false;
}
private const int CameraWidth = 640; // constant Width
private const int CameraHeight = 480; // constant Height

private FilterInfoCollection cameras; //Collection of Cameras that connected to PC
private VideoCaptureDevice device; //Current chosen device(camera)
private Dictionary<string, string> cameraDict = new Dictionary<string, string>();
private Pen pen = new Pen(Brushes.Red, 4); //is used for drawing rectangle around card
private Font font = new Font("Tahoma", 15, FontStyle.Bold); //is used for writing string on card
private Process invoiceProcess = new Process();
private InvoiceCollection invoices;

private int frameCounter = 0;
private void btn_check_Click(object sender, EventArgs e)
{
if (btn_check.Text == "检测")
{
btn_check.Text = "停止";
this.device = new VideoCaptureDevice(cameraDict[cb_Devices.SelectedItem.ToString()]);

this.device.NewFrame += new NewFrameEventHandler(device_NewFrame);
// this.device.DesiredFrameSize = new Size(CameraWidth, CameraHeight);
device.VideoResolution = device.VideoCapabilities[0];//分辨率1280*1024
device.Start();
}
else
{
StopCamera();
btn_check.Text = "检测";
pb_Cinema.Image = null;
}
}

void device_NewFrame(object sender, AForge.Video.NewFrameEventArgs eventArgs)
{
Bitmap shoot = eventArgs.Frame.Clone() as Bitmap;
try
{
frameCounter++;
if (frameCounter > 10)
{
invoices = invoiceProcess.GetInvoiceCollection(shoot);
frameCounter = 0;
}
if (invoices!=null&&invoices.Count>0)
{
using (Graphics graph = Graphics.FromImage(shoot))
{
foreach (Invoice invoice in invoices)
{
graph.DrawPolygon(pen, invoice.Corners); //Draw a polygon around card
PointF point = invoiceProcess.GetStringPoint(invoice.Corners); //Find Top left corner
point.Y += 10;
graph.DrawString(invoice.Code == null ? "" : invoice.Code, font, Brushes.Lime, point); //Write string on card
}
}
}
//Draw Rectangle around cards and write card strings on card

}
catch (Exception ex)
{
File.AppendAllText("e:\\error.txt",ex.Message);
throw;

}
pb_Cinema.Image = ResizeShoot(shoot);
}

private void StopCamera()
{
if (device != null && device.IsRunning)
{
device.SignalToStop();
device.WaitForStop();
device = null;
}
}

public Bitmap ResizeShoot(Bitmap shoot)
{
ResizeBilinear rb = new ResizeBilinear(pb_Cinema.Width, pb_Cinema.Height);
return rb.Apply(shoot);
}

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
StopCamera();
}


}
}
120 changes: 120 additions & 0 deletions 发票识别/发票编号识别/Form1.resx
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<?xml version="1.0" encoding="utf-8"?>
<root>
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Microsoft ResX Schema
Version 2.0
The primary goals of this format is to allow a simple XML format
that is mostly human readable. The generation and parsing of the
various data types are done through the TypeConverter classes
associated with the data types.
Example:
... ado.net/XML headers & schema ...
<resheader name="resmimetype">text/microsoft-resx</resheader>
<resheader name="version">2.0</resheader>
<resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
<data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
<data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
<data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
<value>[base64 mime encoded serialized .NET Framework object]</value>
</data>
<data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
<value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
<comment>This is a comment</comment>
</data>
There are any number of "resheader" rows that contain simple
name/value pairs.
Each data row contains a name, and value. The row also contains a
type or mimetype. Type corresponds to a .NET class that support
text/value conversion through the TypeConverter architecture.
Classes that don't support this are serialized and stored with the
mimetype set.
The mimetype is used for serialized objects, and tells the
ResXResourceReader how to depersist the object. This is currently not
extensible. For a given mimetype the value must be set accordingly:
Note - application/x-microsoft.net.object.binary.base64 is the format
that the ResXResourceWriter will generate, however the reader can
read any of the formats listed below.
mimetype: application/x-microsoft.net.object.binary.base64
value : The object must be serialized with
: System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.soap.base64
value : The object must be serialized with
: System.Runtime.Serialization.Formatters.Soap.SoapFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.bytearray.base64
value : The object must be serialized into a byte array
: using a System.ComponentModel.TypeConverter
: and then encoded with base64 encoding.
-->
<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
<xsd:element name="root" msdata:IsDataSet="true">
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<xsd:choice maxOccurs="unbounded">
<xsd:element name="metadata">
<xsd:complexType>
<xsd:sequence>
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<xsd:attribute name="name" use="required" type="xsd:string" />
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<xsd:element name="assembly">
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<xsd:attribute name="alias" type="xsd:string" />
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<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
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<xsd:element name="resheader">
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<xsd:attribute name="name" type="xsd:string" use="required" />
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<resheader name="resmimetype">
<value>text/microsoft-resx</value>
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<resheader name="version">
<value>2.0</value>
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<resheader name="reader">
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
</root>
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