Indicate number of color bands in data to be acquired
The NumberOfBands property indicates the number of color bands in the data to be acquired. The toolbox defines band as the third dimension in a 3-D array, as shown in this figure.
The value of the NumberOfBands property indicates the number of color bands in the data returned by getsnapshot, getdata, and peekdata.
Any positive integer. The default value is defined at object creation time based on the video format.
Create an image acquisition object.
vid = videoinput('winvideo');
Retrieve the value of the NumberOfBands property.
vid.NumberOfBands ans = 3
If you retrieve the value of the VideoFormat property, you can see that the video data is in RGB format.
vid.VideoFormat ans = RGB24_320x240