Computer model of lens distortion

Hi all

When you calibrate the image on NI Vision Builder, I would like to ask what is the use of a "model of computing lens distortion. What is this for? It is an option that is ignored when measures are taken to the image, for example, of a component.  What happens when you turn it on or check it?

Thank you

based on what you have installed for ccd for imaging your lens have certain Optical Aberrations there are 6 type of such Aberrations you learn more on this subject

it is one of the Aberrations is distortion in this case data in the area of the distorted image and are not true because of the defeat of optical lens

If you use this image for example distance measure will be impossible to get real data and first of all, he must correct the image

for image correction you use grid with the same size and distance, and ofter there is formula polynomial with coefficients k1, k2, k3 solve this problem

also a few famous lenses have their own k1 k2 and k3 calculate the coefficients which was by the company producing them you can use them to make

For more information about this, you can check the photoshop tools

Tags: NI Hardware

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