3DBODY.TECH 2017 - Paper 17.328

C. McDonald et al., "Working Group Progress for IEEE P3141 - Standard for 3D Body Processing", in Proc. of 3DBODY.TECH 2017 - 8th Int. Conf. and Exh. on 3D Body Scanning and Processing Technologies, Montreal QC, Canada, 11-12 Oct. 2017, pp. 328-336, doi:10.15221/17.328.


Working Group Progress for IEEE P3141 - Standard for 3D Body Processing


Carol MCDONALD 1, Luciano OVIEDO 2, Alfredo BALLESTER 3

1 Gneiss Concept, Woodinville WA, USA;
2 Intel, Santa Clara CA, USA;
3 Instituto de Biomecánica, Universitat Politècnica de València, Valencia, Spain


The IEEE 3D Body Processing (3DBP) initiative is working towards standardizing 3d body technologies by creating use cases, identifying gaps in standards and identifying best practices for 3D body processing.
The 3DBP brings together an ecosystem of players to propose new standards around enabling 3D body processing for a variety of use cases. Companies include large retailers, scanner providers, virtual fit providers, and small to mid-sized start-ups. The range of body processing use cases involves apparel, footwear and accessories, such as eyewear and gloves. Body processing encompasses the capture, processing, storage, and sharing - all of which relies on "Of-the-body" landmarks and "On-the-body" models. The committee is making progress on recommending file formats, metadata and communication protocols for global file sharing and interoperability.
Thus far, the committee primarily focuses on the retail use case, especially with regard to fit and size estimation, product recommendations and improved sizing systems. For clothing manufacturers and CAD tool developers, the main use cases are: bespoke or custom manufacturing, and bi-directional transformations between 2D patterns and 3D models.
Technical work groups intend to improve interoperability between creators and consumers of 3D body models and accelerate the implementation of body model centric use cases. The first step is to identify gaps in existing standards and recommended practices as 3D body processing spreads beyond first adopters. Separate interoperability work groups are dedicated to metadata, file format, protocol, security and model accuracy estimation.
The metadata technical group intends to define mandatory and optional metadata, recommend landmark and measurement names and definitions (based on existing standards), and allow for vendor-specific metadata. The file format technical group intends to select between existing file formats that support model 3D data, such that all metadata defined earlier is contained within the same file. The protocol and security technical group intends to select an existing protocol that will allow for the request and sending of the body model, using generic APIs, while providing security.
The model accuracy technical group intends to create a ground truth database for assessing the accuracy of software packages with landmark placement and measurement values. The definitions for landmarks and measurements (L&M) are defined using the latest versions of various ISO standards. The raw data from the body scanners themselves are out of scope. However, the type and make of the scanner must be stated in the metadata for reference. The software will be evaluated after the 3D body model and the statistical models have been generated and compared to the L&M ground truth for accuracy.


Full paper: 17.328.pdf
Proceedings: 3DBODY.TECH 2017, 11-12 Oct. 2017, Montreal QC, Canada
Pages: 328-336
DOI: 10.15221/17.328

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