Foot Measuring Machine for Virtual Shoe Fitting
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Solution Overview
Problem
Online shoe purchasing is hindered by uncertainty in selecting the correct foot size, as existing technologies lack a reliable method to accurately determine individual foot characteristics for virtual shoe fitting.
Innovation Solution
A foot measuring machine integrated with a computer application and graphical interface that captures foot dimensions and generates a printable insole, allowing users to virtually try shoes without physical possession, using sensors and data acquisition modules for precise measurements and database-driven shoe selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a foot measuring machine with graphical interface is implemented, then measurement precision and ease of operation are improved, but device complexity increases
Solution Approach 1:
The foot measuring machine is divided into distinct functional modules: sensors for data collection, a processor for analyzing foot dimensions, and a graphical interface for user interaction. This segmentation allows each component to be optimized independently while maintaining overall system precision without excessive complexity.
Solution Approach 2:
A graphical user interface acts as an intermediary between the complex measurement system and the user. It translates complex sensor data into simple visual representations and measurements, allowing users to interact with the sophisticated system without needing to understand its complexity.
2Ease of operation
If virtual shoe fitting is enabled through printable insoles, then ease of operation for online purchasing is improved, but loss of information about actual shoe feel increases
Solution Approach 1:
The system creates a precise copy of the user's foot using printable insoles that can be overlaid on physical shoes. This allows users to virtually try on shoes by comparing the printed insole outline with the actual shoe interior, maintaining accuracy while enabling remote purchasing.
3Manufacturing precision
If comprehensive foot measurements are captured, then manufacturing precision of fitted shoes is improved, but measurement time and device complexity increase
Solution Approach 1:
The system captures all necessary foot dimension data in a single comprehensive measurement session, storing it for future use. This preliminary action eliminates the need for repeated measurements when purchasing different shoes, reducing time loss while maintaining high manufacturing precision for custom-fitted shoes.
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 accurate virtual shoe fitting by producing personalized insoles based on user foot dimensions, reducing the likelihood of discomfort and saving time and energy in both online and physical purchases by ensuring a precise shoe fit.
Implementation Method 1
a laser (840) situated in the right longitudinal part of the machine
Implementation Method 2
a distance laser sensor (720) in its left longitudinal part
Data Source
Figure 1
Figure 2~4
Figure 5
AI summary
While purchasing shoes via an online shopping store, a user may use a foot measuring machine according to the invention to automatically download and print an insole which is adapted to the particular user's foot dimensions as well as the particular shoe which is being bought. Hence, a different insole is printed for every different user foot and shoe combination. This enables the user to try out the insole (or insoles for both feet) and make out an idea of the adaptability of the particular shoe to their feet. The foot measuring machine with a user interface facilitates the user the virtual purchase of shoes, generating an insole of the shoe it wants to purchase, so that the user can print the insole of the selected shoe and try it out by superposing the foot on the insole outline.