OCR : C#/.net for Extract URL from Image [closed] - c#

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Can any one help me to extract only URL from image when doing images processing OCR.
I checked, all OCR dll are in paid version. Is there any free libraries.

I used IronOCR and problem solve. I created GetText Function which fetch URL from text when image converted to text.
IronTesseract IronOcr = new IronTesseract();
var Result = IronOcr.Read(Path.GetTempPath() + "image.png");
string _url = GetText(Result.Text);
private string GetText(string myString)
{
Match url = Regex.Match(myString, #"[-a-zA-Z0-9#:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()#%_\+.~#?&//=]*)");
return url.ToString();
}

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How to rotate the Z axis from code in Unity? [closed]

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How can i make z axis change from code in unity?
I tried this:
if (Input.GetKey("e")) {
Car.transform.rotate(xAngle, yAngle, zAngle);
}
and it tells me that Transform does not contain rotate.
What should i do?
Either use a relative Torque or use the Rotation of the Transform Object:
transform.Rotate(Vector3 eulerAngles, Space relativeTo)
so for example you would use:
Car.transform.Rotate(new Vector3(x,y,z), Space.Self)

Question with creating/declaring data types(int,string,streamreader) [closed]

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Ok so i'm halfway into the semester in a C# coding class and I just have a simple question.
When Im reading others code I see people do something like this:
string exampleString = new string();
StreamReader exampleSr = new StreamReader();
Int exampleInt = new int();
char a = new Char();
I have a few questions:
For like the String one, wouldn't it be the same if I just did
string exampleString = " ";?
What do people use these for?
And also what goes inside the parenthesis?
Just a few simple questions, im not sure what to search up to my find the answer to my questions so im asking here, Thanks!
In the case of the string, string a = ""; is not the same as string b = new string();.
Why:
a is now set to literally "", that means an empty string.
trying to define b in the way shown above will result in an error, because the constructor of string is not defined for 0 arguments.
you can declare a cariable like this, too:
string c;
this will result in an empty variable with no value in it (yet).
you'll have to assign it a value before you can use it, though (otherwise you'll get an error).
I'm not sure if i gave you a useful answer, so please ask me if you have any further questions.

How to use Shiny app in my own C# Wep App [closed]

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I have created A Shiny App And i want to insert the same content of my shinyapp app in my C# Application. If there's any way to do that ?
One way of doing it, this is how I set it up for my team, so we can have the best of both worlds is to use an iframe. If you're using MVC then something like this should do:
Controller.cs
using System.Web.Mvc;
namespace Dashboard.Controllers
{
public class ShinyController : Controller
{
public ActionResult Index()
{
ViewBag.IFrameSrc = "Address to your shiny app";
return View();
}
}
}
Index.cshtml
<iframe style="border: 0; position:relative; width:100%; height:100%" src="#ViewBag.IFrameSrc"></iframe>

How can I extract a string using C# Substring [closed]

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Closed 9 years ago.
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I want to extract the browser name and Operating system in differant strings from
this string. How can I use substring to extract them from
{ Browser/leavethis (Operating System) Leavethis/Leavethis (Leavethis, Leavethis) Leavethis/Leavethis/Leavethis }
Instead of splitting the useragent, you should use the properties already supplied the Asp.net Framework to detect the browser/os.
Use this
to get the browser name Request.Browser.Browser and browser version Request.Browser.MajorVersion
to get the Os name Request.Browser.Platform and os version Request.UserAgent
A regex such as the following should work, but I suspect #bastos.sergio's answer is the correct way to get what you need.
Regex r = new Regex(#"{\s+(?<Browser>\w+)/[^(]+\((?<OperatingSystem>[^)]+).+");
string browser;
string OS;
var match = r.Match(s);
if (match.Success)
{
browser = match.Groups["Browser"].Value;
OS = match.Groups["OperatingSystem"].Value;
}

Reading 2D Barcode from Images [closed]

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I need a library to read 2D barcode (datamatrix) from images on C# project (windows Forms).
I tried using some SDKs, but the SDKs I tried are not free.
Is there any free SDK for reading 2d Barcode from images?
There's an example available:
using DataMatrix.net; // Add ref to DataMatrix.net.dll
using System.Drawing; // Add ref to System.Drawing.
[...]
// ---------------------------------------------------------------
// Date 180310
// Purpose Get text from a DataMatrix image.
// Entry sFileName - Name of the barcode file (PNG, + path).
// Return The text.
// Comments See source, project DataMatrixTest, Program.cs.
// ---------------------------------------------------------------
private string DecodeText(string sFileName)
{
DmtxImageDecoder decoder = new DmtxImageDecoder();
System.Drawing.Bitmap oBitmap = new System.Drawing.Bitmap(sFileName);
List<string> oList = decoder.DecodeImage(oBitmap);
StringBuilder sb = new StringBuilder();
sb.Length = 0;
foreach (string s in oList)
{
sb.Append(s);
}
return sb.ToString();
}
You'll need DataMatrix.net!
Best free Datamatrix coder\decoder that i've used is libdmtx: http://www.libdmtx.org/ . It has c# wrapper, so feel free to use it. I can't write sample code right now, but if you won't be able to handle it yourself, i'll help you a bit later with that.
EDIT:
libdmtx comes with console utils - if you will be able to read your barcodes with console app, you surely will read it using code.
EDIT2:
Here's code samples: http://libdmtx.wikidot.com/libdmtx-net-wrapper
I wonder if you have pictures containing some other info, except the barcode. The thing is - i don't know any free\open source lib to handle finding barcode on a picture, containing any other data properly.
And here's the link to other datamatrix implementations: http://www.libdmtx.org/resources.php

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