Determination of datum points for palmprint image

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Promila
Promila 2011-9-30
I m not able to extract the datum point of the palm image.Please, anyone suggest me the way or method to determine these datum point. I want to use these datum point to extract the center of palm which i require for ROI image.
Thanks in advance.

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Walter Roberson
Walter Roberson 2011-9-30
What have you done so far? Have you read this paper ?
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Promila
Promila 2011-9-30
i m just starting the code for palmprint matching by using paper
http://www.cse.msu.edu/rgroups/biometrics/Publications/Palmprints/DutaJainMardiaPalmprints_TechRp00.pdf
but i want to implement this on specific palm region rather than whole area so i m trying to determine the region of interest by determing location of fixed datum point, then i'll calculate the center of the palm and by using this center point i'll draw a rectanguar portion. This is all about that i want to do as a first step.what ur opinion regarding this?is this right?
Image Analyst
Image Analyst 2011-9-30
Threshold, label, regionprops. Then you'll have the centroid and you can call imcrop. It can be literally 3 to 5 lines of code.

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