Use =B4IMAQ ImageToArray=B4 (under Vision Utilities -> Pixel Manipulations) and have a look here: http://sine.ni.com/apps/we/niepd_web_display.DISPLAY_EPD4?p_guid=3DB45EACE3= E34856A4E034080020E74861&p_node=3DDZ52505&p_submitted=3DN&p_rank=3D&p_answe= r=3D&p_source=3DExternal
or - thanks to your example folder - here: <location for LabVIEW on your hard drive> \examples\Vision\2. Functions\Tools.llb\ImageToArray Example.vi\ImageToArray Example.vi