1. A document image capture system, comprising: an input for receiving an image from a camera; at least one image buffer for storing data representing an image frame; a motion detector coupled to said at least one image buffer for processing said image to detect motion between frames of said image; an image processor coupled to said at least one image buffer for processing an image therein to extract document information from the image; and a control device responsive to the output from said motion detector for controlling said image processor to begin processing when said motion detector detects said image has become stationary after movement.