1. In an image capture system having a sensor, the sensor having a first node and a second node, a method of capturing image data comprising the steps of: a) resetting the first node; b) resetting the second node; c) collecting an image on the first node; d) transferring a first pixel value from the first node to the second node after a first predetermined time period; e) reading a second pixel value from the first node and the first pixel value from the second node after a second predetermined time period; f) performing an arithmetic operation on the first pixel value and the second pixel value to generate a result; and g) providing the result to the image capture system.