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Active Contours implementation & test platform GUI

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Active Contours implementation & test platform GUI

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03 Feb 2011 (Updated )

Implementation and demonstration of several active contours segmentation methods.

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Description

This program was written as a part of the “Medical Imaging” course. Together with Alex Blekhman (http://www.mathworks.com/matlabcentral/fileexchange/authors/26540)- my partner we have implemented the paper "Active Contours without Edges" by Tony Chan and Luminita Vese. We wrapped it up with a GUI to allow easy parameters change and segmentation process view and results storage for future analysis.
Later on we have added two existing implementation of additional methods to compare between the methods, and to learn each. The method are:
1)
Implementation of "Level Set Evolution Without Re-initialization: A New Variational Formulation" in Proceedings of CVPR'05, vol. 1, pp. 430-436.
Author: Chunming Li, all rights reserved.
E-mail: li_chunming@hotmail.com
URL: http://www.engr.uconn.edu/~cmli/
2)
Implementation of "Localizing Region Based Active Contours" in “Image Processing, IEEE Transactions on “ im Nov. 2008 by Lankton and Tannenbaum.
Coded by: Shawn Lankton (www.shawnlankton.com)

This is the place to thank both authors for the code contribution.

The users who download this code are welcome to play with it, to try and learn the above segmentation schemes. Moreover, additional methods can be added, and the GUI may serve as a convenient platform for segmentation methods understanding, analysis and comparisons.
Best segmenting you all!

Acknowledgements

An Intuitive Introduction To Kalman Filter inspired this file.

Required Products Image Processing Toolbox
MATLAB release MATLAB 7.9 (R2009b)
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Comments and Ratings (11)
28 Jul 2014 kwstas

Dear Nikolay,

Thank you for your reply.
The "Segmenting multiple Objects " is part of the paper of Lankton "Localizing Region Based Active Contours" is the part IV.
I do not know if it is implemented in Matlab.
Thank you again.

27 Jul 2014 Nikolay S.

Hi kwstas.
Thank you for the high grade.
I'm unfamiliar with the paper "Segmenting multiple Objects" by Shawn Lankton, and was not able to find it.
Any-hows, this GUI is proposed for Active contour algorithms evaluation. Thus a paper to be added must be:
- related to Active Conoturs
- implemented in Matlab
- Modified to fit GUI demands.
In additoin I must have the time to add it to this submission. Unfortunately I'm quiet busy those days, working on several submissions to Matlab Central File Exchange, and I'm afraid I will not have time to invest in this in the near future.
if the above conditions will be true, try emailing me, and I'll see what can be done.
Best regards,
Nikolay

27 Jul 2014 kwstas

Thank you very much for the GUI.Can you add tha part of Shawn Lankton paper about "Segmenting multiple Objects" ?
Thank you again

17 Oct 2013 Xidian NO.1  
14 Jul 2013 S

Hi,

Whenever I am trying to run this application (when I click 'Run' in GUI) for any images and any model, I am getting the following error,

The left hand side is initialized and has an empty range of indices.
However, the right hand side returned one or more results.

Error in ActiveCountorsGUI>RunButton_Callback (line 659)
file_str4text{ind+1}=file_str((1+ind*text_line_length):end);

Error in gui_mainfcn (line 96)
feval(varargin{:});

Error in ActiveCountorsGUI (line 42)
gui_mainfcn(gui_State, varargin{:});

Error in @(hObject,eventdata)ActiveCountorsGUI('RunButton_Callback',hObject,eventdata,guidata(hObject))


Error while evaluating uicontrol Callback

Did anyone happen to come across something like this?

05 Feb 2013 Nikolay S.

Hi Javier.
Thank you for the flattering words and grade- it's a pleasure.
Unfortunately there is only a little info I can recall as this code was written back in 2009, so I do not remember the details. I do advice you to go to the relevant papers. As far as I remember most parameters are similar and intuitive, so once you'll get it for the first paper, you'll get the rest quickly.
You're also advised to "play" with the GUI values to see how the value influences of the parameter change on segmentation results (this was the motivation for building this GUI btw).
Best regards,
Nikolay.

05 Feb 2013 Javier

Hi, thank you for sharing this GUI, it's wonderful. Please, could you explain what are the parameters of each algorithm, and how their values affect to the segmentation result? Thank you

13 Jul 2012 Nikolay S.

Hello Anders Munk-Nielsen. imshow is a function part of Matlab Image Processing Toolbox. See the Required Products list for this submition- Image Processing Toolbox is there... You can run this GUI on on a PC where Matlab and Image Processing Toolbox are installed.

13 Jul 2012 Anders Munk-Nielsen

I get the following error when I try to run it:
Undefined function 'imshow' for input arguments of type 'uint8'.
Is that the missing toolbox messing with me?

15 Aug 2011 Nikolay S.

Good morning Luis.
Thanks for your comment.
I've checked this issue with "depfun". Signal processing toolbox is needed for gausswin command(which can be replcaed). Statistics Toolbox is not needed- I haven't found any fnction from this toolbox in the code, and I was able to run the GUI properly, on Matlab instalation without this toolbox.

12 Aug 2011 Luis

I believe this submission requires Statistics Toolbox and Signal Processing Toolbox.

Updates
04 Feb 2011

Acknowledge added

24 Apr 2011

Modifications of Tool and Menu bars. Help and About added.

28 Jun 2011

Some significant updates added (marked by red ellipses in Screen-shot)

Changes list in 1.04:
* Color space panel added
* Blur (denoise) panel added
* Mask definition tool changed

See about help file for details.

15 Feb 2013

Minor changes:
- Packaged into an App, for easier use.
- fileparts output arguments modified, to cope with function change.

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