Face Imaging Alignment Using Real-Time Orientation Feedback
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Solution Overview
Problem
Existing face imaging devices struggle to capture a complete face image with standardized positioning, requiring manual and time-consuming adjustments, and fail to ensure consistent orientation for accurate image comparison.
Innovation Solution
A face imaging device with sensors and displays that determine and display the desired face orientation, allowing users to position their face accurately and automatically capture images with standardized positioning, using light sources for consistent imaging conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a head support member is used to hold the face, then the face can be positioned, but it is difficult to obtain a complete face image and requires manual adjustment
Solution Approach 1:
The system uses sensors to automatically detect face orientation and provides feedback through a display, allowing the user to self-adjust without operator intervention. The device serves itself by automatically capturing the image when positioning criteria are met, eliminating manual adjustment time while maintaining ease of operation.
2Manufacturing precision
If manual positioning is used, then device complexity is reduced, but manufacturing precision of face orientation is poor
Solution Approach 1:
The patent replaces manual mechanical positioning with an automated optical/electronic system comprising sensors that detect face orientation and a display that provides feedback. This substitution achieves high precision face orientation measurement and control, with the added complexity justified by the significant improvement in orientation precision and automation.
3Reliability
If face orientation is not standardized, then ease of operation is improved, but image comparison quality deteriorates
Solution Approach 1:
The system employs a feedback mechanism where sensors continuously monitor face orientation and the display shows the user their current orientation compared to the desired standardized orientation. This real-time feedback enables users to achieve precise standardized positioning intuitively, maintaining ease of operation while ensuring high reliability for image comparison.
4Productivity
If multiple manual adjustments are required, then measurement precision can be improved, but productivity decreases
Solution Approach 1:
The system performs preliminary detection of face orientation using sensors before image capture, and provides preliminary guidance through the display showing desired vs. actual orientation. This preliminary action ensures measurement precision is achieved automatically without requiring multiple manual adjustment cycles, thereby improving productivity while maintaining measurement precision.
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
Enables efficient capture of complete face images with standardized positioning, improving comparison quality by ensuring consistent orientation and reducing manual alignment efforts, facilitating rapid and accurate image analysis.
Implementation Method 1
the sensor may use VCSEL technology, i.e. a sensor for 3D sensing to determine the face orientation in a relatively accurate manner
Implementation Method 2
light sources, reflectors, at least one sensor for determining a face orientation of the face
Data Source
AI summary
A face imaging device incudes a casing defining an interior space and an opening, at least one light source, at least one sensor configured to detect real-time face orientation, at least one camera, at least one display configured to display symbology associated with face orientation, and a controller configured to display fixed symbology indicating a desired face orientation, display movable symbology indicating a real-time orientation of the face to be imaged, and image the face when the movable symbology aligns with the fixed symbology.