A method utilizing an imaging-based bar code reader to identify a desired acquisition area within a captured image frame, the desired acquisition area including a target bar code and an extent of the desired acquisition area bounded by a border featuring: identifying a region of the captured image frame...http://www.google.com.hk/patents/US8079524?utm_source=gb-gplus-share專利 US8079524 - Imaging-based scanner including border searching for image acquisition