how to find the distance between to points in an image using matlab?

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how to find the distance between two points in an image using matlab?

Hy,
Am doing a project in face gender classification using svm.
1.) could anyone suggest me the best feature extraction algorithm for this application?
2.) could anyone help me to find the distance between 2 points in an image using matlab?
eg. distance between left eye to right eye?
 

Hi,

you mean pythagoras?

d = sqrt( (x1-x2)^2 + (y1 -y2)^2 )

Klaus
 

Re: how to find the distance between two points in an image using matlab?

if distance is to be measured with image , calibrate the image points with a known distance.

and mesaure the pixel distance , and find the actual.
 

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