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OCR・Data Processing

Government Document OCR Service
Large-Scale Digitization

High-accuracy digitization of government paper documents.
AWS Batch parallel processing handles millions of documents in short timeframes.

99.5% Recognition Accuracy
1M+ Monthly Capacity
70% Cost Reduction
Handwriting Legacy Doc Support
OVERVIEW

Project Overview

A service that digitizes massive volumes of government paper documents using OCR technology. Leverages AWS Step Functions and AWS Batch for efficient parallel processing of enormous document volumes.

Features a high-accuracy OCR engine that handles handwritten text and old printed materials. Includes verification and correction workflows to ensure data quality.

CHALLENGE & SOLUTION

Challenges & Solutions

Large-Scale Processing

Challenge

Millions of documents needed processing within limited timeframes.

Solution

AWS Batch parallel processing achieves 100,000+ documents per day.

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High-Accuracy Recognition

Challenge

Recognition accuracy was low for handwriting and old printed materials.

Solution

AWS Textract plus custom post-processing achieves 99.5% accuracy.

Quality Control

Challenge

OCR result verification and correction required significant manual effort.

Solution

Built AI auto-verification with efficient correction workflows.

TECH STACK

Technologies Used

Next.js TypeScript AWS Step Functions AWS Batch Textract Lambda

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