Eyewear Frame Adjustment via 3D Facial Scanning
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Solution Overview
Problem
Current eyewear fitting processes require physical presence and are prone to human error, making it difficult to ensure accuracy and convenience for customers.
Innovation Solution
A system and method for modeling a human face and stock eyewear frames to produce customized frames, using 3D scans and calculations to identify suitable frames, adjust their parameters, and generate instructions for physical adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If physical measurements are taken by opticians in-store, then measurement accuracy can be maintained through professional expertise, but customer convenience deteriorates due to required physical presence and time investment
Solution Approach 1:
The patent creates a digital 3D copy of the customer's face through photogrammetry using multiple images captured by a smartphone. This digital model serves as an accurate replica that can be measured without physical contact, eliminating the need for the customer to visit an optician while maintaining measurement precision through computational geometry algorithms that extract facial dimensions from the 3D model.
Solution Approach 2:
The patent replaces the mechanical measurement process (physical tools and manual measurement by opticians) with a digital imaging and computation system. Multiple 2D images are processed through photogrammetry to generate a 3D facial model, and computational algorithms automatically extract measurement data, substituting manual mechanical measurement with automated digital processing to achieve both convenience and accuracy.
2Productivity
If manual measurements are taken by opticians, then customization can be achieved through professional judgment, but productivity deteriorates due to time-consuming in-store fitting processes
Solution Approach 1:
The patent performs preliminary 3D facial modeling and measurement extraction before the customer visits the optician. The customer can complete the facial scanning and measurement process at home using their smartphone, preparing all necessary data in advance. This preliminary action eliminates time-consuming in-store measurements and allows opticians to focus solely on final customization and fitting, significantly improving productivity while maintaining customization through professional optician oversight.
3Adaptability or versatility
If stock eyewear frames are used, then availability and cost are improved through mass production, but adaptability deteriorates due to limited fit options for unique facial anatomies
Solution Approach 1:
The patent applies dynamic adjustments to stock eyewear frames by calculating specific modification parameters based on the customer's unique 3D facial geometry. The system determines optimal adjustments for frame positioning, angle, and alignment that transform the static stock frame into a dynamically fitted configuration tailored to the individual customer's face shape and features, enabling customization without requiring custom-manufactured frames.
Solution Approach 2:
The patent modifies stock eyewear frames by changing key geometric parameters such as frame width, bridge distance, temple length, and lens positioning angles based on the customer's measured facial dimensions. These parameter adjustments are calculated from the 3D facial model and applied to the stock frame design, allowing the same mass-produced frame to be adapted to various facial anatomies by adjusting dimensional parameters rather than creating entirely new frame designs.
Data Source
AI summary
Systems and methods are disclosed for generating a 3D computer model of an eyewear product, using a computer system, the method including obtaining an inventory comprising a plurality of product frames; scanning a user's anatomy; extracting measurements of the user's anatomy; obtaining a first model of a contour and/or surface of the user's anatomy, based on the extracted measurements of the user's anatomy; identifying, based on the contour and/or the surface of the user's anatomy, a first product frame among the plurality of product frames; determining adjustments to the first product frame based on the contour and/or the surface of the user's anatomy; generating a second model rendering comprising the adjusted first product frame matching the contours and/or the surface of the user's anatomy.