Automatic recognition and extraction method and device for bill information area

Abstract

The invention provides an automatic recognition and an extraction method and a device for a bill information area and relates to the fields of computer image processing and information recognition. According to the automatic recognition and the extraction method for the information area of the bill, processes of the information recognition, edge and shading processing, character zone enhancement processing, information area extraction and the like are performed through bill image preprocessing and according to an information area character database which is built in advance through self-learning and training of the information area. The automatic recognition and the extraction method for the bill information area has the advantage of being capable of automatically recognizing and extracting interested area information of multiple bills with good accuracy and adaptability to save manpower and time of the bill processing.

Description

technical field [0001] The invention relates to the fields of computer image processing and information identification, especially the automatic identification and extraction technology of the information area of ​​bills. Background technique [0002] Various commercial activities in modern society, especially banking, widely use various bills. For example, with the development of modern society, people increasingly use checks instead of cash for consumption and settlement. The wide use of bills such as checks will inevitably lead to more and more troubles in the storage and management of bills and the search of bill information. Although computers are widely used in banks and other related industries to manage massive bill information, it takes a lot of manpower and time to manually input bill information into the computer system. For this reason, someone has proposed an automatic bill recognition technology that can automatically identify the area information in the bill...

AI Technical Summary

Problems solved by technology

[0003] However, the current automatic bill recognition technology has the following problems: firstly, bills have various formats, there is no uniform recognition format, and there is no fast and effective classification method to identify bill styles; secondly, bills are mostly filled by people with a pen, Input into the computer recognition system through scanning and other means, and factors such as defacement, incompleteness, and improper placement will greatly affect the recognition accuracy of the system; third, the current recognition methods for bills are preprocessed through layout classification , which is effective for well-formed scans, but is not efficient for bill shape, scan coordinates, rotation, inclination, etc.

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