Size Measuring System Using Marker-Based 3D Body Shape Detection
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Solution Overview
Problem
Existing size measuring systems, such as those using mobile information devices, face challenges with low measurement precision due to the need for users to manually measure body parts with a tape measure and struggle with loose-fit clothing, leading to inaccurate body size determination.
Innovation Solution
A size measuring system comprising a stretchable substrate with inelastic markers that fit snugly on the body, coupled with a terminal that captures and computes three-dimensional coordinates of these markers to accurately measure body size, and a server that matches the measured size with compatible product data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If users manually measure body parts with a tape measure, then measurement can be performed, but measurement precision is low and the process is cumbersome
Solution Approach 1:
The patent replaces the mechanical tape measure system with an optical/image recognition system. The measuring terminal captures images of the wearer and markers, and computational algorithms automatically determine body dimensions, eliminating the need for manual mechanical measurement while improving precision and ease of use
Solution Approach 2:
The system enables automatic self-measurement where the wearer simply dons the apparatus with markers, and the measuring terminal automatically captures images and computes body dimensions without requiring the user to perform manual measurement actions, making the process both precise and easy to operate
2Measurement precision
If the dimension of clothing is used directly as the dimension of the body, then measurement is simple, but measurement precision is dramatically lower for loose-fit clothing
Solution Approach 1:
The patent introduces markers as intermediary reference points attached to the stretchable substrate. These markers serve as mediators between the clothing and the body, providing fixed reference points for image recognition and computation that are independent of the clothing's fit, enabling accurate body dimension measurement even with loose-fit clothing
Solution Approach 2:
The system changes the measurement parameter from direct clothing dimension to marker position coordinates. By tracking the positions of markers relative to the wearer's body through image capture and computation, the system derives accurate body dimensions without being affected by the clothing's fit or looseness
Data Source
AI summary
This size measuring system has: a size measuring instrument 10 which has, disposed on the surface thereof, a plurality of identifiable markers and which is attached to the body of a user when measuring the size of the body of the user; a measurement terminal 20 which measures the size of the body of the user by photographing the user having the size measuring instrument 10 attached thereto; a business operator terminal 30 which is operated by a provider providing the size measuring instrument 10; and a product data management server 40 which stores therein a database of product data including size information of products, such as garments to be worn by the user.