Active contour/snake algorithm in Labview

[CARLCTM]

Hi,

I'm looking for active contour /snake algorithm to perform contour detection. Labview does not seems to have this algorithm. Just wonder anyone has develop something similiar that i could probably use to perform this task ?

Many Thanks

[Chris_Garratt_NIUK]

Hi Carlctm,

I've had a look around on our Developer Zone and unfortunately I was unable to find a previous instance of this being implemented. There are, however, plenty of examples of the code in Matlab. You could use a Mathscript node in LabVIEW and import the code.

Do the IMAQ contour functions in LabVIEW not do what you need?

Best Regards,

Chris

[CARLCTM]

Hi Chris,

The reason for using this active contour is to try out the effect it has on the images I've got.which may work well or may not. So, it will be usefull for me to if anyone has tried something similiar and I could test it.

That what I'm planning to do next, to use matlab's active contour. However, the ideal case for me is to have everything in labview if this turn out to be the correct algorithm.

 thanks

[Chris_Garratt_NIUK]

Hi Carlctm,

I have seen this question before and unfortunately had to say the same thing. Maybe you should suggest this on the suggestions forum and R & D might implement it in a later version of LabVIEW.

It probably can be implemented in LabVIEW but if not you can always use the Matlab code in a Mathscript node as I mentioned before.

Goodluck.

Chris

[ChristopheC]

Hi,

Can you explain the advantage the Active Contour Tracing provide over the Contour Extraction exposed in VDM 2010?

Is this the ability to find multiple contour at once? Or does it provide better results/accuracy than the Matlab method?

Thanks in advance for the feedback.

Best regards,

-Christophe

[mostafanfs]

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@chrisag wrote:

Hi Carlctm,

I've had a look around on our Developer Zone and unfortunately I was unable to find a previous instance of this being implemented. There are, however, plenty of examples of the code in Matlab. You could use a Mathscript node in LabVIEW and import the code.

Do the IMAQ contour functions in LabVIEW not do what you need?

Best Regards,

Chris

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Does Mathscript Node support all MATLAB Image Processing functions ?

I dont think so.

How can I pass IMAQ Images data between these two envirement  ?

What is the fast and best way ?

Is there any manual for this purpose ? (IMAQ <=> Matlab Image Processing functions,   in LabVIEW)

[Chris_Garratt_NIUK]

Hi Mostafi,

You are correct in thinking that MATLAB function report is limited in LabVIEW. We support most of the standard functions but no toolkits. I apologise for my mistake. If the functions are not compatible then you would have to write the functions in LabVIEW rather than use a Mathscript node.

Best Regards,

Chris