System and method for deriving accurate body size measures from a sequence of 2d images

一种图像序列、身体的技术，应用在身体扫描和服装系统领域，能够解决不能提供测量、不能产生3D模型、增加复杂水平等问题，达到改进用户体验的效果

Active Publication Date: 2015-07-29
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  • Abstract
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Problems solved by technology

Clearly, such approximations do not provide exact measurements when real subjects are involved
[0004] Furthermore, these methods rely on the user's ability to assume exact poses and otherwise cannot produce a full 3D model
Controlling / measuring the exact posture of the user by means such as a controlled dial or markings on the body adds a level of complexity which prevents these methods from being used at home or across multiple store locations

Method used

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  • System and method for deriving accurate body size measures from a sequence of 2d images
  • System and method for deriving accurate body size measures from a sequence of 2d images
  • System and method for deriving accurate body size measures from a sequence of 2d images

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Embodiment Construction

[0062] The present invention relates to a method that employs a sequence of 2D images captured through natural body motion to compute multiple linear and perimeter body size measures (i.e. body scanners) that can serve as the basis for automatic size recommendations for A more efficient in-store or home shopping experience. These size measures can further be used to select and / or modify avatars that best describe the user's body shape for augmented reality visualizations of how the selected garment will fit or appear on the user's body. Furthermore, scanning methods can be used to obtain point clouds or other dense 3D representations that serve as detailed body shape models. The required measurements are derived from this model. The 3D representation can be converted into a surface model (such as a triangle), which is used by the rendering engine of the augmented reality application described above.

[0063] It is envisaged that the body scanner can be used anywhere, such as...

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Abstract

A method for deriving accurate body size measures of a user from a sequence of 2D images includes: a) automatically guiding the user through a sequence of body poses and motions; b) scanning the body of said user by obtaining a sequence of raw 2D images of said user as captured by at least one camera during said guided sequence of poses and motions; c) analyzing the behavior of said user to ensure that the user follows the provided instructions; d) extracting and encoding 2D shape data descriptors from said sequence of images by using a 2D shape analyzer (2DSA); and e) integrating said 2D shape descriptors and data representing the user's position, pose and rotation into a 3D shape model.

Description

technical field [0001] The present invention relates to the field of body scanning and clothing systems. More specifically, the present invention relates to systems and methods for body scanning to improve the apparel buying experience through automatic size recommendations and augmented reality visualization. Background technique [0002] Full Body Scanners - Laser scanner / depth camera arrays (such as Microsoft's Kinect) can be used to capture three-dimensional (3D) points on the surface of the body, which can be used to represent the shape of the body as a point form (e.g. point cloud ), surface forms (triangular meshes) or other models. Such a model can be analyzed to extract the desired measurements. For example, waist position can be calculated from body proportions and a cross section at waist height can be used to extract a list of points or a contour representing the perimeter at that point. The perimeter is then calculated from the 3D point list / contour. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06K9/00369G06K9/48G06K9/46G06K9/00208G06T17/00G06T7/0042G06K2009/4666G06K9/00711A41H1/02A61B5/1079G06T2207/10024G06T2207/30196A61B5/486G06T7/564G06T7/62G06V20/647G06V40/103G06V20/40
Inventor I·维尔夫
Owner BODY PASS
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