Eyeball Imaging Apparatus With Dual-Standard User Identification
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Solution Overview
Problem
Existing imaging systems face challenges in accurately identifying users based on iris images due to variations in iris size and user cooperation during authentication processes.
Innovation Solution
An imaging apparatus that registers and authenticates users using multiple standards for eyeball images, including a first authentication that requires high-quality images with the eyeball at the image center and a second authentication that accommodates varying image quality, enhancing identification accuracy through a combination of active and inactive authentication methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single authentication standard is used, then the authentication process is simple, but identification accuracy deteriorates due to variations in iris size and user cooperation levels
Solution Approach 1:
The patent divides the authentication process into two distinct segments: first authentication using a first standard (requiring high user cooperation with specific eyeball position and image quality), and second authentication using a second standard (accommodating varying cooperation levels). This segmentation allows each standard to be optimized for its specific purpose, improving overall identification accuracy while maintaining manageable complexity through clear separation of functions.
Solution Approach 2:
The patent implements dynamic selection between authentication standards based on image quality assessment. The system dynamically determines whether to proceed with first authentication or fallback to second authentication based on whether the captured eyeball image meets the required quality criteria. This dynamic approach adapts to real-time conditions, optimizing identification accuracy without requiring manual intervention.
2Measurement precision
If only high-quality images are required, then identification accuracy improves, but ease of operation deteriorates as users must maintain precise positioning
Solution Approach 1:
The patent performs preliminary assessment of image quality before proceeding with authentication. The system evaluates whether the captured eyeball image meets the first standard criteria (eyeball at image center, adequate size, proper focus) before attempting first authentication. This preliminary action prevents failed authentication attempts and guides users to adjust their positioning, making the process more intuitive and easier to operate.
Solution Approach 2:
The patent introduces an intermediary second authentication standard that bridges the gap between high-quality requirements and user convenience. When first authentication fails due to insufficient image quality, the system transitions to second authentication which uses relaxed criteria, ensuring that users can still be authenticated without excessive positioning demands while maintaining security through the fallback mechanism.
3Measurement precision
If multiple authentication standards are implemented, then identification accuracy improves through adaptive selection, but device complexity increases
Solution Approach 1:
The patent changes the parameters of authentication standards based on image quality conditions. The first standard uses strict parameters (eyeball at image center, minimum size requirements, focus constraints), while the second standard uses relaxed parameters. The system automatically adjusts which standard to apply based on real-time image assessment, improving identification accuracy through parameter adaptation while keeping the determination logic relatively simple through clear threshold-based decision rules.
Data Source
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AI summary
An imaging apparatus includes imaging means configured to capture an eyeball image of a user of the imaging apparatus, first determination means configured to determine whether the eyeball image satisfies a first condition, second determination means configured to determine whether the eyeball image satisfies a second condition, first identification means configured to execute first identification processing for identifying a user of the imaging apparatus based on a first eyeball image determined to satisfy the first condition, second identification means configured to execute second identification processing for identifying the user of the imaging apparatus based on a second eyeball image determined to satisfy the second condition, and control means configured to perform control to record information regarding the user identified by the first identification processing and the second identification processing and the eyeball image captured by the imaging apparatus in a memory in association with each other.