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Problem with changing the size of the webcam picture

Hi everyone, I am using a Logitech pro 9000 webcam with Labview 8.5. I have attached a very simple program where I just take a picture and save it to a JPEG file. I get a correct picture when I set the width and the height to 320x240 (see attached photo). When I set it to 640x480 the photo is wrong (see also attached photo). When I use the Logitech sofware, I can change from one to another without any problem. Would anyone know what is the problem and how I could fixe this? Had exactly the same problem with another logitech webcam. Thanks a lot. Regards, Marc
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Hi

I used the driver for the WEB camera "NI-IMAQ for USB Cameras"

http://zone.ni.com/devzone/cda/epd/p/id/5030 

I had now problems

Regards

Iskander

 

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