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2013-05-08 07:26:14 -0500 commented question Watershed c++ source sode

ok, but the result of opencv function should be like the seconde example, in figure 6 ... why it does not segment the region of interest it self ?

2013-05-07 15:10:16 -0500 asked a question Watershed c++ source sode

Hi :) I want you guys help me to find watershed segmentation source code in c++.

I am trying to segment a brain MRI to extract tumore area (the lightest area), I tried the opencv function, but it don'tgive accurate result or maybe it does not work, I don't know exactly...

Here is the result that I got using opencv function:

watershed(InputArray image, InputOutputArray markers);

image description

And here is the result I want to get,

image description

I found this images in this paper:

Detection and Quantification of Brain Tumor from MRI of Brain and it’s Symmetric Analysis

proposed by Sudipta Roy, Samir K. Bandyopadhyay

So I want to try another source code of watershed segmentation....I hope you understand what I want to say...

thank you in advance :) :) and sorry for my bad english

2013-04-23 15:46:25 -0500 commented answer cvBlobsLib

what do you mean ?

2013-04-23 15:37:15 -0500 answered a question cvBlobsLib

try to replace #include "cxtypes.h" by #include "cxcore.h"

2013-04-14 07:02:42 -0500 commented answer how to remove blobs with SimpleBlobDetector

Thanks for replying me :) ... Ive tried erosion and dilation but didn't work, look to the image I linked here http://answers.opencv.org/question/10415/remove-small-objetc-from-image-after-segmentation/ ....

2013-04-13 12:29:23 -0500 asked a question how to remove blobs with SimpleBlobDetector

Hello,

Im trying to use SimpleBlobDetector to remove small object from my binary image,

first I creat an object of type SimpleBlobDetector, and then detect blobs like this code below

    SimpleBlobDetector blobDetector( params );
    blobDetector.create("SimpleBlob");      
    blobDetector.detect( src, keyPoints );

This code detect for example 2 blobs from 3 according to the parameters. Now my question is how to delete the unwanted blob from the mage...?

I have two other questions, how to get the coordinates of blobs, and can we frame a blob in a rectangle?

thanks :)

2013-04-11 06:26:47 -0500 received badge  Scholar (source)
2013-04-10 01:40:45 -0500 commented answer unhandled exception when calling CBlobResult

I think I did not well install cvblobslib..I'm gonna try installing it...

2013-04-09 09:40:40 -0500 commented answer unhandled exception when calling CBlobResult

I edited it

2013-04-09 09:19:42 -0500 commented answer unhandled exception when calling CBlobResult

thanks for answering...but I still dont know about the exception...

2013-04-09 09:17:30 -0500 commented question unhandled exception when calling CBlobResult

no it is like this, CBlobResult...

2013-04-09 08:52:59 -0500 asked a question unhandled exception when calling CBlobResult

Hello guys,

I have a very urgent question that I really appreciate if you guys help me. I have installed cvblobslib_OpenCV_v8_3 but am not able to use it since it crashes after calling the following function:

blobs = CBlobResult( img, NULL, 100, true );

It shows me this message:

Unhandled exception at 0x75d6c41f in testBlobs.exe: 0xC0000005: C++ Microsoft Exception : int à l ...

at runtime:

OpenCV Error: Incorrect size of input array <Specified element size doesn't match to the size of the specified element type <try to use 0 for element type >> in unknown finction, file ..\..\..\modules\core\src\datastructs.cpp, line 388

and debug output

2010\Projects\testBlobs\Debug\testBlobs.exe', Les symboles ont été chargés.
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\ntdll.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\kernel32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\KernelBase.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\opencv231\bin\Debug\opencv_core231d.dll', Les symboles ont été chargés.
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\msvcp100d.dll', Les symboles ont été chargés.
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\msvcr100d.dll', Les symboles ont été chargés.
'testBlobs.exe' : Chargé 'C:\opencv231\bin\Debug\opencv_highgui231d.dll', Les symboles ont été chargés.
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\user32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\gdi32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\lpk.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\usp10.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\msvcrt.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\advapi32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\sechost.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\rpcrt4.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\sspicli.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\cryptbase.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\ole32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\oleaut32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\avifil32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\winmm.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\msacm32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\msvfw32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\shell32.dll', Cannot find or open the PDB file
'testBlobs.exe' : Chargé 'C:\Windows\SysWOW64\shlwapi.dll', Cannot ...
(more)
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2013-04-01 03:09:48 -0500 commented answer Remove small objetc from image after segmentation

thanks :), I'll see about blob analysis...

2013-03-30 22:18:32 -0500 received badge  Student (source)
2013-03-30 14:15:37 -0500 commented answer Remove small objetc from image after segmentation

Yes, I want the image with only the tumor area like image above, the result I want to get is shown on the left of the image...thanks

2013-03-30 13:44:08 -0500 commented answer Remove small objetc from image after segmentation

if I understand what you mean, I have to multiply the original image with the binary one, and thus a pixel with value = 0 is black region, but why ? this will not remove the object that I want to remove...sorry, I'm a beginner on computer vision...

2013-03-30 12:48:43 -0500 asked a question Remove small objetc from image after segmentation

Hello,

I have a brain MRI image, that I want to segment and extract tumore area which is the area having more intensity.

image description

After segmentation with thresholding and watershed method I get this result

image description

After that I want to extracting textural features from the tumor area only, so I have to remove all noise and other objects outside the region of interst (the tumor)

So like shown in image below, I want to remove the object inside the red circle

image description

I've tried morphological operation, but that didn't work, is there any other solution ?

Thank you, and sorry for my bad english !