Generation of Improved Clothing Models
The present invention relates to building a computer model of a garment based on a physical sample garment, and to the process of using the computer model of a garment to determine the garment's appearance on a human body.
1 . A method of transforming a garment into a garment model and rendering a depiction of the garment, comprising:
generating a body shape, the body model representing an approximation of the user's shape for presenting a garment model, the body shape including a plurality of landmarks, the landmarks defining locations with which guide points on the garment model are associated;
creating a garment model for simulation, the garment model including at least one guide point; and
generating a depiction of the garment model on a body shape, wherein the garment model is positioned based on at least one landmark and an associated guide point.
2 . The method of claim 1 , further comprising:
removing identifying characteristics from the body model to create a neutral body model.
3 . The method of claim 1 , further comprising:
utilizing statistical data to complete missing measurements from the body model.
4 . The method of claim 3 , wherein statistical data is adjusted based on a known target demographic.
5 . The method of claim 1 , further comprising:
animating the body model enable the creation of modeling stances, the animation utilizing a rig skeleton.
6 . The method of claim 5 , wherein the animating utilizes semantic constraints.
7 . The method of claim 1 , further comprising:
addressing pinching between body parts of the body model by one or more of: modifying the shape of a body part, altering a pose, and reducing a compliance of the body part.
8 . The method of claim 1 , further comprising:
addressing fabric warping by calculating a geometric strain on the fabric adjusted by a changed rest configuration of warped elements of a garment.
9 . The method of claim 1 , further comprising:
defining a macro, the macro representing a complex garment element having a plurality of consistent characteristics; and
utilizing the macro by applying the macro to a garment.
10 . The method of claim 1 , further comprising:
utilizing STN vectors to define an embellishment on the garment, the embellishment attached to the garment.
11 . The method of claim 1 , further comprising:
creating a point association between two points of a garment across a line or plane of symmetry, wherein the association forces the two points to remain in symmetry.
12 . The method of claim 1 , further comprising:
using a barrier to define an area that the garment cannot enter, the barrier used to constrain movement of the garment.
13 . The method of claim 12 , wherein the barrier is associated with a part of the body shape and moves with the body shape.
14 . The method of claim 1 , further comprising:
applying a soft constraint on a design, wherein the soft constraint is on one or more of: a point association to force approximate symmetry, a barrier to constrain movement, landmarks, and guide points;
wherein the soft constraint allows some flexibility in element relationships based on a stiffness of the soft constraint.
15 . The method of claim 1 , further comprising:
Applying a hard constraint on a design, wherein the hard constraint is where the hard constraint attaches the cloth to a specified location, on the body shape or on the cloth, to force the points to remain coincident.
16 . The method of claim 1 , further comprising:
Up-sampling a portion of a garment to represent a more detailed garment geometry without distortion.
17 . The method of claim 16 , where up sampling is accomplished with physics-based optimization.
18 . The method of claim 1 , further comprising:
down-sampling of a garment to represent the garment using less data, to reduce memory use and/or reduce computation.
19 . The method of claim 18 , where down sampling is accomplished with physics-based optimization.
20 . The method of claim 1 , further comprising:
creating a deformation model for the body shape, the deformation model using a finite element deformation model of the body shape in which a garment can compress a portion of the body shape.
21 . The method of claim 19 , further comprising:
performing a coupled body model simulation and cloth simulation, on the deformation model, utilizing the deformation model for the body shape and fabric mechanical characteristics, to determine a change in a body model shape as a result of compression due to the garment, and a change in the fabric mechanical characteristics and fabric visual characteristics as a result of stretch due to the body model.