Iris Recognition Eyeglasses Light Source Positioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional iris recognition devices on eyeglasses face challenges in obtaining effective and correct iris images due to the limited distance between the eyeball and the glasses, leading to poor recognition accuracy and speed.
Innovation Solution
Smart eyeglasses with an iris recognition device that includes a light source device with a luminescent unit projecting light on the inner side of the iris boundary, providing auxiliary luminosity without contact, enhancing image retrieval and recognition accuracy and speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional iris recognition device is installed on eyeglasses, then the device can be worn directly by users for identity recognition, but the limited distance between the eyeball and the eyeglasses makes it difficult to obtain effective and correct iris images
Solution Approach 1:
The patent introduces a light source device that projects light onto the iris to change the illumination parameters. This auxiliary lighting compensates for the limited distance constraint by providing sufficient light intensity for image capture, thereby improving iris image quality while maintaining the direct wearability advantage
Solution Approach 2:
The patent introduces an intermediary light source as a mediator between the eyeglasses and the iris. This light source projects light onto the iris to enhance image quality without requiring physical contact or changing the fundamental wearing structure, thus resolving the contradiction between close proximity and image quality
2Illumination intensity
If light is projected directly on the iris boundary, then illumination is maximized, but light interference increases reducing recognition accuracy
Solution Approach 1:
The patent applies local quality by projecting light onto specific regions of the iris (inner side of outer boundary or outer side of inner boundary) rather than uniformly across the entire iris. This selective illumination provides sufficient brightness for recognition while avoiding direct contact with the outer boundary, thus reducing light interference and improving recognition accuracy
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 improves iris recognition accuracy and speed by reducing light interference and ensuring consistent illumination, allowing automatic activation of iris image retrieval and seamless user experience post-recognition.
Implementation Method 1
The projected light of the luminescent unit is projected on the inner side of the outer boundary of an iris of an eyeball, and not in contact with the outer boundary of the iris
Data Source
AI summary
Smart eyeglasses with iris recognition device comprise at least one glasses frame, a glasses arm connected to a side of the glasses frame; an iris recognition device installed on the glasses frame and having a recognition unit facing an inner side of the glasses frame. A light source device installed on the glasses frame projects a light on an inner side of an outer boundary of an iris of an eyeball, and not in contact with the outer boundary of the iris. The iris is sampled more easily and clearly with luminosity compensation of the light source device for enhancing the accuracy and sampling speed.