Wearing Simulation Device for Accurate Clothing Deformation

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Solution Overview

Problem

Existing wearing simulation devices struggle to accurately simulate the wearing condition of clothing during exercise, as they fail to reflect the change in the body's surface shape due to restricted motion capture ranges and initial posture issues.

Innovation Solution

A wearing simulation device that includes a body shape data storage unit, a motion data storage unit, and animation generation units to create animations that depict the change in body movement and surface shape. The device generates a third animation by connecting first and second animations, allowing the clothing model to be deformed to follow the body's movement and surface changes, even when the exercise starts from a non-standard posture.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If motion capture is used to capture continuous movement of the body, then the movement of the body can be reflected in the simulation, but the capturing range is restricted by the angle of view causing the initial posture to be unsuitable for wearing the clothing model

Engineering Contradiction:
Improveaccuracy of wearing condition simulationVSAvoidsuitability of initial posture for clothing wearing
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent applies preliminary action by generating a first animation that transitions the body from a second posture (suitable for wearing clothing) to a first posture (captured by motion capture) before executing the main simulation. This preparatory step ensures the body is in an appropriate state for clothing placement while still capturing the desired exercise movement sequence.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent segments the animation into multiple parts: a first animation for posture transition, a second animation for the actual exercise movement, and a third animation that combines both. This segmentation allows each part to be optimized independently - the first animation handles the clothing-wearing suitability while the second animation captures the authentic exercise motion.

Inventive Principle:
Principle #1Segmentation

2Measurement precision

If the clothing model is deformed to follow the body movement and surface shape change, then the wearing condition simulation becomes more accurate, but the device complexity increases

Engineering Contradiction:
Improveprecision of body surface shape change detectionVSAvoidcomplexity of animation generation and clothing deformation system
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent uses copying by creating animated representations of the body's movement and surface shape changes without requiring complex real-time measurement systems. The animation data serves as a copy or representation of the actual body dynamics, enabling accurate simulation while keeping the device relatively simple.

Inventive Principle:
Principle #26Copying

Data Source

PatentUS12217344B2Wearing simulation device
Publication Date: 2025.02.04 ASICS CORP
  • US12217344B2 patent drawing
  • US12217344B2 patent drawing
  • US12217344B2 patent drawing

AI summary

A wearing simulation device includes a first animation generation unit that generates a first animation indicating a change in a movement of a body and a surface shape of the body from a second posture to a first posture, a second animation generation unit that generates a second animation indicating a change in a movement of the body and a surface shape of the body in a continuous movement, a third animation generation unit that generates a third animation by connecting the first animation and the second animation, and a simulation execution unit that makes the body wear a clothing model in at least one frame from beginning of the third animation, deforms the clothing model so as to follow the change in the movement of the body and the surface shape of the body in the frame after wearing, and simulates a shape change of the clothing model.