Currency Bill Verification System Using Error Correction

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Solution Overview

Problem

Current financial document processing systems are inadequate in quickly and accurately identifying counterfeit or forged currency bills, lacking efficient imaging and data processing capabilities to prevent the acceptance of counterfeit currency.

Innovation Solution

A document processing system comprising currency scanning devices that rapidly image and extract information from currency bills, using a processor to correct errors and compare extracted data against stored information to identify counterfeit bills, while continuously processing documents and employing a correction and search routine to enhance accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If rapid processing of currency bills is implemented, then productivity is improved, but measurement precision deteriorates

Engineering Contradiction:

Improveprocessing speedVSAvoidcounterfeit detection accuracy

Core Design Contradiction:

ProductivityVSMeasurement precision

Solution Approach 1:

The system segments the currency bill verification process into multiple independent analysis components including image quality assessment, security feature detection, pattern recognition, and data extraction. Each segment processes specific aspects of the bill independently, allowing parallel processing that maintains high speed while ensuring comprehensive verification accuracy through distributed specialized analysis.

Inventive Principle:

Principle #1Segmentation

2Reliability

If comprehensive data extraction and verification are performed, then reliability is improved, but device complexity worsens

Engineering Contradiction:

Improvecounterfeit identification accuracyVSAvoidsystem structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system employs a universal processor that performs multiple functions including image acquisition, data extraction, verification against stored information, and counterfeit identification. This multi-functional approach consolidates what would otherwise require separate dedicated devices for each function, reducing overall system complexity while maintaining comprehensive verification capabilities through a single integrated processing unit.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Productivity

If continuous document processing is implemented, then productivity is improved, but loss of time worsens

Engineering Contradiction:

Improvethroughput rateVSAvoidprocessing delay

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The system performs preliminary actions by pre-storing reference currency bill information and verification criteria in a database before processing begins. During continuous operation, extracted data from incoming bills is immediately compared against these pre-loaded references, eliminating the need for real-time database queries or complex calculations that would cause delays. This preliminary preparation enables rapid continuous processing without sacrificing verification thoroughness.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS8625875B2Document imaging and processing system for performing blind balancing and display conditions

Publication Date: 2014.01.07 CUMMINS ALLISON CORP

AI summary

A document processing system comprising one or more document scanning devices that extract information from document images that uniquely identify a document. The system further comprises a central processor remotely connected to the document scanning devices. The central processor is configured to receive the document images and the extracted information from the document scanning devices and is further configured to execute a correction routine configured to adjust errors in the extracted information from the document image.