Media Identification via Monochromatic Image Matching
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current media identification systems for financial instruments like cheques and banknotes are not reliable or quick enough to accurately distinguish between genuine and counterfeit items, especially when counterfeit items lack security features.
Innovation Solution
A method involving image processing to receive, preprocess, and match images of media items against templates, using techniques like Canny filters and dilation to create monochromatic images, and then comparing these to stored templates to identify the type and orientation of the media item, allowing for efficient and accurate identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a recognition system is based on security features present in a media item, then the system can identify genuine media items, but counterfeit media items without those security features cannot be recognized as potential counterfeits
Solution Approach 1:
The patent segments the identification approach into two independent parts: (1) analysis of security features for genuine item verification, and (2) analysis of external dimensions and monochromatic image patterns for counterfeit detection. This segmentation allows the system to independently evaluate both genuine and potential counterfeit items without relying solely on security features.
Solution Approach 2:
The patent introduces an intermediary recognition system that operates before validation. This intermediary system uses external dimensions and monochromatic image patterns as a mediator to identify potential counterfeits, which then get passed to the validation system for security feature analysis. This intermediary layer ensures that items without security features are not mistakenly accepted.
2Reliability
If a one-to-many comparison is used between received media item and templates for every type of media item, then all media types can be validated, but the validation process becomes inefficient
Solution Approach 1:
The patent applies preliminary action by performing recognition (identifying what the media item is) before validation (verifying if it is genuine). The system first compares external dimensions and monochromatic image patterns against templates to quickly identify the media item type, then proceeds to validation only for identified items. This preliminary classification step dramatically reduces processing time while maintaining complete validation coverage.
3Ease of operation
If current media identification systems are used, then some identification capability is provided, but the systems are not reliable or quick enough to accurately distinguish between genuine and counterfeit items
Solution Approach 1:
The patent replaces traditional mechanical/security-feature-based identification with an image processing-based system. Instead of relying on physical security features that require complex validation, the system uses digital image analysis including external dimension measurement and monochromatic image pattern recognition. This substitution enables faster, more reliable identification that works equally well for both genuine and counterfeit items.
Data Source
AI summary
A method and apparatus for identifying a media item. The apparatus includes a module for receiving media items and capturing an image of a received media item. The method involves ascertaining external dimensions of the media item from the captured image; creating a monochromatic image based on high contrast boundaries within the captured image; matching the monochromatic image to one of a plurality of templates of media items of approximately the same external dimensions as the media item; and providing details of the matched template, including type and orientation of the media item corresponding to the matched template.