The present invention discloses a system and method for information retrieval by decoding barcodes from images obtained using a mobile device or computer. The barcode image is obtained via a digital camera or web cam attached to the mobile device or computer. After the barcode image has been obtained,...http://www.google.com.hk/patents/US20070181691?utm_source=gb-gplus-share專利 US20070181691 - System and method for information retrieval with barcode using digital image capture devices
