How can I access the properties of the camera connected to
How can I access the properties of the camera connected to my NI PCI-1428 frame grabber board when using Image Acquisition Toolbox 3.4 (R2009b) ?
I am attempting to acquire images from a camera manufactured by Goodrich-Sensor using the National Instruments PCI-1428 frame grabber board. I am able to acquire the images successfully. The camera has additional properties such as exposure time, gain, timer to name a few. I am able to set these properties using National Instruments Measurement & Automation Explorer (NI-MAX). I would like to be able to set these properties from within MATLAB.
I execute the code below to retrieve the properties of the currently selected source.
vid=videoinput('ni',1,'img0');src = getselectedsource(vid);get(src)
However, the properties returned are for the frame grabber board and not the camera itself.
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It is not possible to modify the camera specific properties directly from MATLAB. You would have to set them using NI-MAX and then acquire images using Image Acquisition Toolbox.
The camera specific properties that are set using NI-MAX are saved to an interface file. This interface is the one referenced in the object constructor below:
vid = videoinput('ni',1,'img0');The third input argument, “img0”, is the interface file. The values that are saved by the NI-MAX into the interface will be used by the adaptor to create the VIDEOINPUT object.
The NI adaptor for the Image Acquisition Toolbox uses the National
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