Method and device for automatically identifying and recording invoice character strip

Abstract

The invention provides a method and a device for automatically identifying and recording an invoice character strip. The method comprises the steps of marking a surrounding box and an affiliated kind on the character strip in each-format invoice picture, and storing the surrounding box and the affiliated kind in a training database; detecting the position of an invoice picture to be identified; applying the surrounding box in each invoice picture on the invoice picture to be identified, and identifying the character strip which is used on the surrounding box; matching the invoice picture to be identified with each format of invoice picture, and using the format of the invoice picture with a highest matching degree as the format of the invoice picture to be identified; performing picture layering on the character strip used on the surrounding box of the invoice picture with the highest matching degree in the invoice picture to be identified; and identifying the picture layers, and utilizing a picture layer with a highest identification score as the character strip after filtering an official seal. The method and the device have the following beneficial effects: high capability of identifying illegible calligraphy in an invoice, relatively high invoice recording efficiency and relatively high identification effect.

Description

technical field [0001] The invention relates to the field of invoice identification, in particular to a method and device for automatically identifying and entering invoice notes. Background technique [0002] The traditional invoice entry method requires manual typing to enter various information of the invoice, including header, amount, address and consumption items, etc. The entry of this information takes a lot of time. For the internal checkout of the unit, it will cause a lot of inconvenience to financial management. With the popularization of smart phones, OCR (Optical Character Recognition) technology can greatly reduce the time of invoice entry and achieve real-time reimbursement. The identified results can also be analyzed with big data to analyze and predict the consumption habits of employees or customers. Because OCR is a challenging algorithm design, it can only recognize printed characters at present, and cannot recognize other fonts such as handwritten scr...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method capable of recognizing handwritten scribbled fonts in invoices and invoice input efficiency in view of the defects of the prior art that the above-mentioned unrecognizable handwritten scribbled fonts in invoices, low invoice entry efficiency, and poor recognition effect are provided. Method and device for automatic recognition and entry of invoice notes with high quality and good recognition effect

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