Iris Recognition Preview Using Facial Image Processing
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Solution Overview
Problem
Current iris recognition technologies provide users with a poor visual experience due to a small field of view and monochromatic preview images, affecting convenience and efficiency.
Innovation Solution
A method and apparatus that obtain both iris and facial images, using one or more cameras to determine a preview image based on the facial image, which can include image processing to enhance visual effect and usability, allowing for a color preview image with more facial content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an IR camera is used to obtain preview images, then iris recognition function is achieved, but the preview image has poor visual effect and small field of view
Solution Approach 1:
The patent combines the IR camera and visible light camera into a unified imaging system. The IR camera captures iris images for recognition, while the visible light camera captures facial images for preview display. Both cameras are integrated into the same device, allowing them to work together to provide both functional iris recognition and visually appealing preview images with larger field of view.
2Ease of operation
If monochromatic IR images are displayed as preview, then iris recognition accuracy is maintained, but user convenience and visual experience deteriorate
Solution Approach 1:
The patent introduces a visible light camera as an intermediary device that captures facial images. These facial images serve as mediators between the IR camera's iris images and the user's visual perception. The facial images from the visible light camera are processed and displayed as preview images, providing users with a visually appealing interface while the IR camera continues to capture the iris images necessary for accurate recognition.
Data Source
AI summary
Methods, systems, and apparatuses, including computer programs encoded on computer storage media, for preview in iris recognition are provided. One of the methods includes: obtaining an iris image and a facial image of a user; determining a preview image corresponding to the iris image based on the facial image; and displaying the determined preview image.