Identity Document Image Linking via Transparent Region Embedding
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Solution Overview
Problem
Existing identity security documents, such as ID cards and passports, feature multiple disjointed identity-linked fields like photos and signatures, which are obtained and personalized separately, lacking a direct link between images and obscuring surface security features.
Innovation Solution
Combining identity-linked images by deriving partially transparent regions from one image and embedding authentication data within these regions to create a combined image with non-rectangular boundaries, allowing the underlying security features to show through and enhancing document security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple identity-linked images are placed in separate rectangular areas, then each image can be clearly displayed, but the surface security features are completely obscured
Solution Approach 1:
The patent segments the identity-linked images into multiple transparent layers that can be selectively displayed. Each image (photo, signature, name) is placed in its own transparent layer, allowing the security features to show through the transparent portions while still displaying the identity information when needed.
Solution Approach 2:
The patent uses transparency/opacity changes to resolve the contradiction. By making the image containers transparent rather than opaque rectangular areas, the security features remain visible through the transparent regions, while the identity-linked images can still be clearly displayed when the transparency is adjusted or when viewed from certain angles.
2Measurement precision
If multiple identity-linked images are displayed separately, then each image is clearly visible, but no direct link is established between the images
Solution Approach 1:
The patent merges multiple identity-linked images into a single composite transparent image structure. The photo, signature, and name are combined in one transparent layer or coordinated layers, establishing visual linkage between them while maintaining individual visibility. This unified structure proves they all belong to the same document holder.
Solution Approach 2:
The patent introduces transparent regions as intermediaries between the separate identity-linked images. These transparent areas serve as visual connectors that allow the images to be displayed separately yet linked, with the transparency creating a visual relationship that indicates they belong together without obscuring security features.
3Reliability
If authentication data is embedded in opaque rectangular areas, then the data is secure, but it is difficult to retrieve if the electronic data carrier is damaged
Solution Approach 1:
The patent applies different properties to different regions of the authentication data structure. Critical authentication data is embedded in both opaque and transparent regions, with the transparent regions providing redundant copies that can be retrieved even if the opaque regions are damaged. This local differentiation of data storage properties enhances both security and recoverability.
Solution Approach 2:
The patent prepares for potential damage by embedding authentication data in multiple locations including transparent regions that serve as backup copies. If the primary opaque storage is damaged, the transparent region copies provide a cushion against total data loss, enabling retrieval and document validation.
4Ease of manufacture
If identity-linked images are obtained and personalized separately, then each field can be processed independently, but the process is complex and time-consuming
Solution Approach 1:
The patent performs preliminary actions by pre-processing and standardizing the format of each identity-linked image before final assembly. The images are prepared in advance with consistent transparent backgrounds and standardized dimensions, so that during document creation they can be quickly combined without extensive processing, thus improving productivity while maintaining independent processing benefits.
Solution Approach 2:
The patent creates a universal transparent image structure that can accommodate multiple types of identity-linked images (photo, signature, name) in a single standardized format. This multi-functional template allows different image types to be processed independently yet assembled uniformly, simplifying the overall process and improving efficiency.
Data Source
AI summary
Techniques for creating an identity document are provided. The techniques include obtaining two or more identity-linked images, deriving one or more at least partially transparent regions from one of the two or more identity-linked images, combining the two or more identity-linked images to create a combined image, and embedding authentication data into the combined image, inside the one or more at least partially transparent regions, to create an identity document.