ANY-maze Help > The ANY-maze reference > The Protocol page > The elements of a protocol > Apparatus > Video sources > Setting up a Video Source > Adjusting a video picture's size and/or frame rate

Adjusting a video picture's size and/or frame rate

Changing image size and/or frame rate of a camera / digitizer, actually alters the images being generated by the relevant camera / digitizer. This means that any other video sources which also use the same camera / digitizer will be affected too.

In brief

By clicking the Properties button (which is shown in the ribbon bar when a video source is selected in the protocol), you can open the properties window for the video source. This window includes a page called Image format, where you can alter the size and/or frame rate of the video images generated by a camera/digitizer and/or scale the images provided by a standard format video file or a camera/digitizer.

Details

Altering the image size is particularly useful when the default image size is very large (for example a 4K image). It's also useful when you're planning to use the video source as part of a montage video source. In this case, joining two full-sized images would create an extremely large image - reducing the two images to half size and then joining them would be a better option.

It's also useful to reduce the image size and/or frame rate when:

 1.You're using a USB device and USB bandwidth is an issue. 
 2.You're working with multiple apparatus simultaneously.  

In all these cases, a reduction in image size or frame rate will help because it reduces the amount of information that is transmitted to and processed by the computer.

See also:

 Camera/Digitizer Properties window : Image format page 

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ANY-maze help topic T0089