增值税发票识别

支持对增值税普票、专票、卷票、电子发票的所有字段进行结构化识别，包括发票基本信息、销售方及购买方信息、商品信息、价税信息等，其中四要素识别准确率超过 99.9%； 同时，支持对增值税卷票的 21 个关键字段进行识别，包括发票类型、发票代码、发票号码、机打号码、机器编号、收款人、销售方名称、销售方纳税人识别号、开票日期、购买方名称、购买方纳税人识别号、项目、单价、数量、金额、税额、合计金额(小写)、

Supports structured recognition of all fields of VAT ordinary invoices, VAT special invoices, VAT roll invoices and electronic invoices, including basic invoice information, seller and buyer information, commodity information, price and tax information and more. The recognition accuracy of the four key invoice elements exceeds 99.9%. Meanwhile, it supports recognition of 21 key fields for VAT roll invoices, including invoice type, invoice code, invoice number, printed serial number, machine number, payee, seller name, seller's taxpayer identification number, invoice date, buyer name, buyer's taxpayer identification number, item, unit price, quantity, amount, tax amount and total amount (lowercase)

搜集汇总

背景与挑战

背景概述

该数据集支持对多种增值税发票的所有字段进行结构化识别，准确率高，适用于文字识别领域。