Picture Control

[Ashutosh]

Hi

Can anyone help me out with this querry, I am using LabVIEW 7.1 PDS.

How can I change the contrast of Picture on runtime.

Waiting for earliest reply.

Thanks

Ashutosh C

[Norm Kirchner]

If the picture is 255 shades of grey, the attached picture will accomplish what you need, minus the 2 for loops. NOTE: Good range for magnitiude control 0-10

If it is a color picture, then you must break out each of the color channels and re-combine them after you have adjusted their values.

The dirty version of the technical answer is, you must increase the distance of the current pixel value from a center pixel value

Thus making the light pixels lighter and the dark pixels darker