Parallel Paper Sheet Recognition Apparatus
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Solution Overview
Problem
Conventional paper sheet recognition systems face inefficiencies in processing time due to the sequential nature of denomination, authenticity, and fitness recognition, especially with increased security features and high-precision requirements.
Innovation Solution
A paper sheet recognition apparatus that performs type, authenticity, and fitness recognition in parallel using multiple recognition units, including image and feature information acquisition, to streamline the recognition process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If sequential recognition processes (denomination, authenticity, fitness) are used, then recognition accuracy is maintained, but processing time increases significantly
Solution Approach 1:
The patent segments the recognition process into three independent parallel modules: denomination recognition unit, authenticity recognition unit, and fitness recognition unit. Each module processes different aspects of the paper sheet simultaneously, eliminating the sequential dependency that caused time delays while maintaining the comprehensive evaluation of all features.
Solution Approach 2:
The patent transitions from a one-dimensional sequential process to a multi-dimensional parallel processing architecture. By introducing temporal parallelism across multiple recognition units operating simultaneously, the system achieves both high accuracy (through comprehensive feature evaluation) and fast processing (through concurrent operations).
2Reliability
If multiple security features are added to paper sheets, then authenticity verification capability is improved, but the amount of processing time required increases
Solution Approach 1:
The patent segments the analysis of multiple security features into dedicated authenticity recognition unit that processes all authenticity-related features (magnetic characteristics, fluorescent ink, holograms) simultaneously. This segmentation allows comprehensive security feature evaluation without the time penalty of sequential analysis, as all features are processed in parallel within the dedicated unit.
Solution Approach 2:
The authenticity recognition unit is designed as a multi-functional module capable of evaluating multiple different security features (magnetic characteristics, fluorescent ink, holograms) through a single integrated process. This universal unit handles all authenticity verification tasks concurrently, improving verification capability while avoiding the time cost of multiple separate processing steps.
3Measurement precision
If high-precision recognition is performed for denomination and fitness, then recognition accuracy is improved, but processing time increases considerably
Solution Approach 1:
The patent segments high-precision recognition tasks into dedicated units: denomination recognition unit for precise denomination identification and fitness recognition unit for detailed fitness evaluation (soiling, loss, tape). By assigning these computationally intensive tasks to separate parallel units, the system maintains high precision while avoiding the cumulative time delay of sequential processing.
Solution Approach 2:
The parallel architecture ensures continuous useful action across all recognition units simultaneously. While the denomination recognition unit performs high-precision denomination identification, the fitness recognition unit concurrently performs high-precision fitness evaluation, and the authenticity recognition unit performs authenticity verification. All useful actions occur continuously and simultaneously, maximizing productivity without sacrificing precision.
Data Source
AI summary
Provided is a paper sheet recognition device for recognizing a fitness and authenticity of paper sheets, by which recognition of types, authenticity, and fitness of paper sheets can be effectively performed even in the case where a large number of features should be evaluated. The paper sheet recognition device is provided with a paper sheet information acquisition unit which acquires paper sheet information which is the information relating to paper sheets, a type recognition unit which recognizes the types of the paper sheets on the basis of the paper sheet information, a fitness recognition unit which recognizes fitness of the paper sheets on the basis of the paper sheet information, and an authenticity recognition unit which recognizes the authenticity of the paper sheets on the basis of the paper sheet information, wherein the fitness recognition process of the paper sheets by the fitness recognition unit and the authenticity recognition process of the paper sheets by the authenticity recognition unit are performed in parallel.