Automatic recognition and extraction method and device for bill information area

An information area, automatic identification technology, applied in character and pattern recognition, instruments, computer parts and other directions, can solve the problems of no unified identification format, low efficiency of bill shape processing, no fast and effective way of sorting bills, etc. The effect of improving accuracy

Inactive Publication Date: 2013-07-17
北京英迈杰科技有限公司
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  • Abstract
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  • Claims
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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

Method used

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  • Automatic recognition and extraction method and device for bill information area
  • Automatic recognition and extraction method and device for bill information area
  • Automatic recognition and extraction method and device for bill information area

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Embodiment Construction

[0015] Such as figure 1 As shown, the method for automatically identifying and extracting bill information areas according to the present invention includes the following steps: bill image preprocessing, information area identification, border and shading processing, character area enhancement processing, and information area extraction.

[0016] Such as figure 2 As shown, the preprocessing of the receipt image includes removing black borders, removing noise points, correcting deviation, and grayscale processing of the receipt image input from a device such as a scanner. For example, the continuous black value of the border can be judged to remove the black edge in the receipt image due to scanning; the median filter can be performed on the entire receipt image, and the area size is set to 3*3 to effectively remove the noise generated by scanning; The long line segment in the bill image can be detected by Hough transform, and the corresponding two largest vertical directions...

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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...

Claims

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Application Information

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IPC IPC(8): G06K9/54
Inventor 谭宜勇张屹吴玉峰郑邦东
Owner 北京英迈杰科技有限公司
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