3D Avatar Clothing Fitting Across E-Commerce Platforms

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Solution Overview

Problem

Existing e-commerce systems struggle to provide users with the feeling of trying on clothing by using a virtual avatar, which is why there is a lack of a direct and immersive experience in the virtual world, and the feeling of wearing actual clothing, and existing technologies fail to provide a seamless fitting experience, especially in the virtual world, and the lack of a direct and immersive experience in the virtual world, and the feeling of trying on clothing using a virtual avatar.

Innovation Solution

A method and system for providing a clothing fitting service using a 3D avatar that generates a personalized avatar based on a user's body image, allowing users to try on clothing virtually and manage the avatar across various platforms such as internet shopping malls and kiosks, including real-time updates and health integration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a virtual avatar is used to represent the user in e-commerce, then the user can try on clothing virtually, but the feeling of wearing actual clothing is not provided

Engineering Contradiction:
Improvevirtual try-on convenienceVSAvoidrealism of clothing fitting experience
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent creates a 3D copy of the user's body using photogrammetry technology. Multiple 2D photographs are processed to generate an accurate 3D mesh model that replicates the user's actual body shape, proportions, and characteristics. This 3D body model serves as a realistic digital twin that can display clothing items while maintaining visual fidelity to the user's appearance.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent transitions from 2D photographs to a 3D representation by constructing a three-dimensional mesh model from multiple 2D images. This dimensional transformation enables realistic draping simulation and spatial interaction between clothing and body, providing a more immersive and accurate virtual try-on experience that closely mimics real-world clothing fit.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If the avatar is generated once and stored, then it can be used across multiple platforms, but the avatar may not reflect changes in the user's body

Engineering Contradiction:
Improvecross-platform avatar usabilityVSAvoidaccuracy of body representation
Core Design Contradiction:
Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The patent implements a dynamic avatar system that can be updated over time. The previously generated 3D body model can be re-generated by capturing new photographs and processing them through the photogrammetry pipeline. This allows the avatar to adapt to body changes while maintaining its role as a portable digital identity across different e-commerce platforms.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent performs preliminary 3D model generation from photographs before the actual shopping experience. This pre-processing creates a ready-to-use avatar that can be immediately applied to various clothing items across different platforms, eliminating the need for repeated body scanning while enabling quick updates when needed.

Inventive Principle:
Principle #10Preliminary action

3Measurement precision

If multiple photographs are taken to create an accurate 3D avatar, then the body shape is captured precisely, but the process becomes more complex

Engineering Contradiction:
Improveaccuracy of body measurementVSAvoidphotographing process complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent uses standard digital cameras or smartphone cameras that most users already possess, rather than requiring specialized 3D scanning equipment. The system processes multiple 2D photographs to generate a 3D model, making the technology accessible and easy to use with common devices, thereby reducing complexity while maintaining measurement accuracy.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3971812B1Method for providing clothing fitting service by using 3D avatar, and system therefor
Publication Date: 2025.11.12 LG ELECTRONICS INC
  • EP3971812B1 patent drawingFigure 1
  • EP3971812B1 patent drawingFigure 2
  • EP3971812B1 patent drawingFigure 3

AI summary

A method for providing a clothing fitting service using a 3D avatar is disclosed. The method for providing a clothing fitting service using a 3D avatar of the present disclosure comprises acquiring a body image of a user through a 3D camera. acquiring body information of the user from the body image, generating an avatar corresponding to the user using the body information and the body image, personalizing and managing the avatar as a service platform, and fitting and displaying clothing selected by the user to the avatar through a service provider selected from among registered service providers. Accordingly, the once created avatar can be conveniently used in various places such as a clothing company's Internet shopping mall, an open market, and a kiosk. The method for providing a clothing fitting service using a 3D avatar of the present disclosure may be linked to an artificial intelligence module, a drone, a robot, an augmented reality device, a virtual reality device, a device related to a 5G service, and the like.