Amazon Technologies, Inc.

Seungbae Bang

Sunil Sharadchandra Hadap

Vidya Narayanan

Yuxuan Mei

The shape of an article of footwear is initially represented by first mesh data. Second mesh data having fewer faces is determined by using an occlusion algorithm to determine occluded faces of the first mesh, using a first function to determine values based on the non-occluded faces, and a second function to determine values based on occluded and non-occluded faces. Using these values, the second mesh is spaced a minimum offset distance to enclose the first mesh without intersection. Proxy data representing the shape of a foot is aligned with the inner surface of the second mesh, then deformed to place the shape adjacent to the inner surface. The mesh representing the footwear may be deformed to place portions of the representation of footwear adjacent to the shape of the foot. Locations of keypoints in the shape of the foot are used to add keypoints to the mesh.

Systems for generating annotated three-dimensional models for output based on an input image

Systems and methods are provided for generating a flat garment pattern and/or 3D mesh representation of a garment from one or more images depicting the garment laid flat or hung up. A system may obtain both a front image depicting a front view of a garment and a back image depicting a back view of the garment. A front and back silhouette of the garment may then be generated, which may include segmenting the garment depiction from background image content. A parametric representation of the garment may then be generated based on the front and back silhouettes, which may be implemented by iteratively optimizing, using differentiable rendering techniques, a garment representation within a parametric garment space previously learned for the particular garment type. A 3D mesh garment representation may then be generated based on the parametric representation, from which a flat sewing pattern may subsequently be generated if desired.

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Seungbae Bang