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#1 Posted : Friday, April 3, 2015 12:19:54 AM(UTC)
vidula_joshi

Groups: Registered
Posts: 7


Hi I am using LeadTool 14.5.

How I can implement image Landmarking functionality? So that subtraction image will show only the contrast material outlining the vascular structures.
 

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#2 Posted : Tuesday, April 7, 2015 7:07:01 AM(UTC)

mohamed  
mohamed

Groups: Registered, Tech Support
Posts: 179


I am not sure that I understand you correctly. Do you mean that you have medical images that are captured while a stent device is inserted into the patient's body? If yes, we have the StentEnhancementCommand class in our v19 toolkit that can be used to align different images based on the two markers from the stent itself, to perform additional enhancements to them. For more information see the following help topics:
https://www.leadtools.com/help/leadtools/v19/dh/po/leadtools.imageprocessing.core~leadtools.imageprocessing.core.stentenhancementcommand.html

https://www.leadtools.com/help/leadtools/v19/dh/po/leadtools.imageprocessing.core~leadtools.imageprocessing.core.stentenhancementcommand~detectmarkers.html

If you mean something else, send me more details about what you are trying to do, along with sample images and information about what landmarks you want to use in these images.
Mohamed Abedallah
Developer Support Engineer
LEAD Technologies, Inc.

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#3 Posted : Saturday, April 11, 2015 12:36:31 AM(UTC)
vidula_joshi

Groups: Registered
Posts: 7


Thank you for reply.

Landmarking allows you to set a partial subtraction factor. A partial subtracted image shows to a certain degree the complete image, with the contrast enhanced depending on the subtraction factor.

Currently for image subtraction we are using DigitalSubtract method Leadtool14.5 Raster Process object. Here with this method we cannot adjust the subtraction factor which we require for landmarking. How I can achieve this using Leadtool 14.5(and VB)?
 
#4 Posted : Thursday, April 16, 2015 7:06:44 AM(UTC)

mohamed  
mohamed

Groups: Registered, Tech Support
Posts: 179


I apologize for delay in responding.

I think you can achieve this by applying the MultiplyCommand with a suitable factor value, and then pass the image to the CombineCommand class, and pass the CombineCommandFlags.OperationSubtractSource flag to the Combinecommand.
Mohamed Abedallah
Developer Support Engineer
LEAD Technologies, Inc.

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