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when you have grayscale from 0 to 255 decide the threshold like everything greater then 127 should be 1 and less than be zero.
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Thanks for suggestion. It is right but i did this project more two months ago. If anybody need anything they can tell me because i had a lot of problems while i was doing it so i can understand them and i want to help them if i can
ilksen
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An unhandled exception of type 'System.ArgumentOutOfRangeException' occurred in System.Drawing.dll
Additional information: Parameter must be positive and < Height.
When I load the image and press process I get this error... Can u plz tell me why its so. . .
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i got the same problem too. Plz help us out.
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I wnat to color image processing if u have
then send me this my id raj_achiever@yahoo.co.in
rajkumar
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hi
i m doing a project in inmage processing
i m not able to get the exact picture on screen.
actually only pixels are displayed not the colour.
plz tell me the solution
Robin jain
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What do you mean ? What have you done to the image in order to lose the color information ? The pixels are displayed as greyscale ?
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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actually i mam doing processing on black & white picture.
but there is problem in displaying the pic.
can anybody tell how to do this?
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Hi I'm working on biometrics system that uses palmprint to identification. I've downloaded your project and each time I try to open an image I get message box with information that picture I use is not greyscale. It didn't work even when I found 8bpp picture. Any idea why ? I would be very greatful for help
regards
Irek
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I can't speak for the code in this article, but 8 bits is not the same as greyscale, and 8 bit is not suitable for image processing.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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I am a student.
I want to extract the features from an Image for that I need to convert the Image into binary array.Can you please help me??? (safdaraslam@yahoo.com)
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As a vs2005 user, I was unable to load an image even if it is 8bpp grayscale. I checked the code and saw that Pic.PixelFormat.ToString() is generating "PixelFormat8bpp" and of course not equal to the code given. First I changed that by adding Imaging.Drawin lib.
Than after getting exceptions about size, I realized that column(width;x)- row (height;y) is totally messed up. But while exploring the code i came up with an array with the size [300,300] and i got it; you have to use an image with 300x300 pixel size, no more no less. ok may be less would be also ok, but it s clear that it must be a square sized! 
After that you can work on images, but the algorithms are very slow even for 300x300.
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Hi Kishor Aher,I've a project about image processing.I downloaded your source code about finger recognition but when I choose a grey scale bitmap I always have a warn and I can't run the functions.Can you send some sample bmp pictures?Thank you very much.
My email is:camelia_muk@hotmail.com
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Hy, I'm doing a project "Acces based on fingerprint recognition" in C#! I have no ideea where to start!! Can anyone help me please? At least the source on how to compare two fingerprints!!! 
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Hi
i m working on Multipaged TIFF image processing.
trying to split,merge multiple tiff images with Format1bppIndexed and CCITT3 compression.Also trying to draw string text on the tiff files.
but facing problems in printing text on Format1bppIndexed tiff. 
is any one who can help me on this????
Thanks in Advance..
SJ
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hai iam doing a project in image processing i need to know how colour image gets converted into black and white and coupled with that i want to know how the grayscale values can be got from c# for each pixels
ganesh.R
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Read my image processing article for info on how to convert to greyscale, and to access pixels directly
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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hello kishore sahab
i m danyial and i have just completed my course work of BS and now i m doing my final project in image processing i have seen ur code and i m impressed i need ur help in image processing and so if u dont mind kindly send me ur email address so that i can easily contact u my email is listed below
danyial@gmail.com
danyial
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I am really impressed with the clarity of the code! You make it look so simple
I am using VC# 2005 (express). It seems like all row and column arguments are mixed-up.
This results in exceptions being thrown whenever the column argument in a for-loop gets bigger than the number of rows. Any one else have this problem too?
Speder
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I want to classify an image into sub images to get the intensity mean value of each sub image.
But first I want to divide an image into subimages, please help me,
shakeel
Image Processing & Multimedia Lab.
computer Engi. dept.
pknu. korea
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Hi. I'm working on Image Precessing, i have to craete Signature Vrification System and I'd like to write in C#. My work is similiar to yours so we can to cooperate. I think that your library could help me a lot and in the future I can help to expand your library. I have some probelms with downloading file from web site. Could U send me this on my email ?? labelthc@o2.pl I hope that we will be in touch.
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hello everyone
i want to do a thumb recognition project in c# as a final project of my bachelors degree if anyone can guide me from where should i start?
from what should i start studying for a thumb recognition?
i would like to do a thumb recognition for a mobile phone using c# if someone can help me in that aspect.
Thanks
amman
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Hallo Kishor Aher,
I current do a project about fingerprint recognition. I see that you have some experience about that. I do enhancement,segmentation, binarization, extraction, and now matching. It looks like some of them did not work as I expect, especially about matching and enhancement. I hope you can give advices. My contact is via email : tlvphong@hotmail.com. I'm looking forward to hearing from you very soon.
Thanks in advance,
Phong Tran
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I am going to start this Project please help me which platform should be chosen. My aim is to detecting motion in an in door area. Which concepts are necessary, I dont have a road map of doing this project.
adilhayatkhan@hotmail.com
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Hi All, My name is James and I am doing a Biometrics based Project.
the Project I am doing is a Fingerprint
Recognition, At this moment I am working on the research side of Biometrics.
For the time being I have a Fingerprint Recognition scanner and have just installed Visual Studio.NET software, I expect to use Visual C# for my application, I
hope to integrate it with a Biometric SDK I hope to use SQL Server for the database to store Fingerprint Images or Data.
Fot the implementation I am a bit stuck or unclear about the whole thing. I was wondering if any one could guide me in the right lines or give me an idea of doing this Project in a different way.
regards
James
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