Mobile Terminal Iris Recognition With Merged Camera Module
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Solution Overview
Problem
Conventional iris recognition technologies face challenges in miniaturization, mobility, and accuracy for mobile terminals, with existing devices being bulky, power-intensive, and prone to noise, and lacking effective iris image quality detection methods for complex scenes.
Innovation Solution
A mobile terminal iris recognition device with a human-computer interaction mechanism, comprising a human-computer interaction module, image acquisition module, iris image analysis and processing module, feedback control module, and power supply module, which enables user-friendly iris image acquisition and processing, and employs infrared lighting with segmented light intensity control for optimal iris image capture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If iris recognition device is integrated into mobile terminal, then information security is improved, but device complexity increases
Solution Approach 1:
The patent combines the iris recognition device with the mobile terminal's existing camera module, merging multiple functions (photography and iris recognition) into a single integrated system. This reduces overall device complexity while maintaining security functionality.
Solution Approach 2:
The camera module is designed to serve dual purposes: standard photography operations and iris recognition operations. By making the imaging system universal, the patent avoids adding separate dedicated hardware, thereby reducing complexity while improving information security.
2Measurement precision
If conventional iris recognition device is used, then recognition accuracy is improved, but volume of mobile terminal increases
Solution Approach 1:
The patent merges the iris recognition optical system with the mobile terminal's existing camera module, eliminating the need for separate bulky recognition devices. This integration maintains high recognition accuracy while significantly reducing the overall volume of the mobile terminal.
3Measurement precision
If conventional iris recognition device is used, then recognition accuracy is improved, but power consumption increases
Solution Approach 1:
The patent combines iris recognition functionality with the mobile terminal's existing camera and processing units, eliminating the need for separate power-intensive recognition devices. This integration maintains high recognition accuracy while reducing overall power consumption by utilizing shared hardware resources.
4Reliability
If iris recognition is implemented in mobile terminal, then information security is improved, but manufacturing cost increases
Solution Approach 1:
The patent merges iris recognition functionality with the mobile terminal's existing camera module and processing capabilities, eliminating the need for separate dedicated hardware components. This integration reduces manufacturing costs by utilizing existing production lines and components while still achieving high information security standards.
Solution Approach 2:
By designing the camera module to serve both photography and iris recognition functions, the patent achieves economies of scale in manufacturing. The universal design allows single production lines to manufacture both standard camera phones and secure iris recognition devices, thereby reducing per-unit manufacturing costs.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enhances iris recognition accuracy and usability, reduces power consumption, and optimizes structural layout, providing a compact, user-friendly, and high-accuracy iris recognition system suitable for mobile terminals.
Implementation Method 1
an infrared lighting unit 122 for emitting infrared light
Data Source
AI summary
A mobile terminal iris recognition device having a human-computer interaction mechanism, the device includes a human-computer interaction module, an image acquisition module, an iris image analysis and processing module, a feedback control module and a power supply module. Also provided is an iris recognition method utilizing the device. Compared with the related art, the method has great improvement in such aspects as miniaturization, mobility and usability, is provided with a mobile terminal iris recognition function with an active visual, tactile and auditory interaction mechanism, and also has the advantages of high accuracy of iris recognition, low power consumption, reasonable structural layout, strong interaction functions and the like.