giansorr83
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Posts posted by giansorr83
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I am sorry for this question but I am a new member of the community. How I can attach a vi?
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Hello to everybody. I am elaborating some images of a turbulent jet. I am able to detect the contours of the jet with the related points. I want to compute the velocity field and the related stretch rate. So I need to compute the first and the second derivative of every point of my contour. The problem is that the points are not ordered. The Dx is very random and the contour presents a lot of vortex... I have tried to implemented a 5 costant central scheme to compute the derivative but it fails...I think that it depends from the structure of my data. Anybody could help me?
Imaq extract contour
in LabVIEW General
Posted
Hello, I am using the Imaq extract contour routine to obtain the points on the contour of an image. I need some informations about this kind of routine that Vision uses to obtain the contours... Somebody knows which is the algorithm that is used? I need some informations? Thanks in advance...