1. A cell phone comprising: an image sensor portion that outputs frames of image data; a processing system coupled to the image sensor portion, the processing system including plural processing units; a memory containing instructions that cause the processing system to configure a pipelined arrangement in which one of said processing units processes one frame of image data while another of said processing units processes a different frame of image data; and a radio interface coupled to the processing system to enable wireless transmission of one or more frames of processed image data from the cell phone; wherein said instructions cause a first processing unit to process a first frame of data at a first time, and cause the same first processing unit to process said same first frame of data at a second, later time.