Patent ID: 9262677
Filing Date: 2016-02-16
CPC Classification: G06K,G07D

Claim Text:
1. A method for identifying a valuable document, comprising: selecting a featured region of the valuable document and extracting features of the valuable document from the featured region; processing, based on the extracted features of the valuable document, the valuable document for fast classification according to a preset classification model, to pick out a bank note of good image quality and a bank note of bad image quality; processing an image of the bank note of bad image quality for image restoration, to obtain a restored image; identifying the bank note of good image quality directly and identifying the restored image, to determine the authenticity of the present bank note; and outputting the determination result of the present bank note; wherein the method further comprising a step of vectorizing the extracted features of the valuable document, which comprises: normalizing the image of the featured region of the valuable document to obtain a normalized image; selecting n different featured regions from the normalized image and calculating an average grey-scale value for each of the 1 forming a featured vector according to the 1 st to n th average grey-scale values and, the classification model is built up based on a bank note type, a denomination, an orientation and image quality.