read image line thikness with C# code

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Hi Currently i am working on project that correct student drawing test and I want read every line from images Pls help help me
thaxs

Posted 31-Jul-14 5:34am

abddii

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CHill60 31-Jul-14 11:35am

What have you tried and where are you stuck?

Sergey Alexandrovich Kryukov 31-Jul-14 12:55pm

Totally unclear. What kind of "student drawing". What should be the "correction"? What are the ultimate goal. With so little detail you cannot really expect and help.
—SA

abddii 2-Aug-14 9:20am

i can read text from image by using OCR, but i have not any idea about identify length of a specific line, calculating angle between two line by reading scanned image.
txs for your helping !

Sergey Alexandrovich Kryukov 2-Aug-14 20:19pm

But you did not answer any of my questions...
—SA

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RaisKazi · Accepted Answer · 2014-07-31T05:46:00

Solution 1

Not sure if I understood fully but seems like you want to read text from the Images. This is Optical Character Recognition.

http://en.wikipedia.org/wiki/Optical_character_recognition

You may search on Google to get more information on this.

https://www.google.com/#q=OCR+c%23

Edit
Now I understood what you are trying to achieve. You want to detect straight lines on the Images and then line thickness. Not sure OCR does it but it may give you a direction for your research area. Please post your findings on this.

Posted 31-Jul-14 5:46am

RaisKazi

Updated 31-Jul-14 5:55am

v2

Comments

Sergey Alexandrovich Kryukov 31-Jul-14 12:54pm

No, it really does not provide an answer. I would not answer to such a vague question.
—SA

abddii 2-Aug-14 9:25am

txs for u'r help. i read OCR and done some staff i can read text from the image that is done correctly,
Here is the code i used
protected void Upload(object sender, EventArgs e)
{

string filePath = Server.MapPath("~/Uploads/" + Path.GetFileName(FileUpload1.PostedFile.FileName));
FileUpload1.SaveAs(filePath);
string extractText = this.ExtractTextFromImage(filePath);
lblText.Text = extractText.Replace(Environment.NewLine, "<br />");
}

private string ExtractTextFromImage(string filePath)
{

Document modiDocument = new Document();
modiDocument.Create(filePath);
modiDocument.OCR(MiLANGUAGES.miLANG_ENGLISH);
MODI.Image modiImage = (modiDocument.Images[0] as MODI.Image);
string extractedText = modiImage.Layout.Text;
modiDocument.Close();
return extractedText;
}

is their any chance i can identify the length of line and calculating angles b/n two line by using OCR ?

RaisKazi 5-Aug-14 9:59am

Have no idea about lines detections, infact keep me posted if you find something.