Parametric modeling of 3D human faces using anthropometric data

Tseng, Chun-Yang; Wang, I-Jan; Chu, Chih-Hsing

doi:10.1109/ieem.2014.7058686

Cited by 6 publications

(1 citation statement)

References 9 publications

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“…Popular mobile phones such as the iPhone come equipped with state-of-the-art depth sensors, and high-quality 3D reconstruction software available for them, like Bellus scanning technologies. Personalized design based on anthropomorphic data is a trend in the fashion and accessories industries that enhances the value added to a product whilst satisfying individual customer requirements (Zheng et al 2007;Tseng et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Automated Generation of Custom Fit PPE Inserts

Nahmad Vazquez,

Chen

2021

ACADIA Proceedings

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This research presents a machine learning-based interactive design method for the creation of customized inserts that improve the fit of the PPE 3M 1863 and 3M 8833 respiratory face masks. These two models are the most commonly used by doctors and professionals during the recent COVID-19 pandemic. The proper fit of masks is crucial for their performance. Characteristics and fit of current leading market brands were analyzed to develop a parametric design software workflow that resulted in a 3D printed insert customized to specific facial features and the mask that will be used. The insert provides a perfect fit for the respirator mask. Statistical face meshes were generated from an anthropometric database, and 3D facial scans and photos were taken from two hundred doctors and nurses on an NHS Trust hospital. The software workflow can start from either a 2D image of the face (picture) or a 3D mesh taken from a scanning device. The platform uses machine learning and a parametric design workflow based on key performance facial parameters to output the insert between the face and the 3M masks. It also generates the 3D printing file, which can be processed onsite at the hospital. The 2D image approach and the 3D scan approach used to initialize the system were digitally compared, and the resultant inserts were physically tested by twenty frontline personnel in an NHS Trust hospital. Finally, we demonstrate the criticality of proper fit on masks for doctors and nurses and the versatility of our approach augmenting an already tested product through customized digital design and fabrication.

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Section: Introductionmentioning

confidence: 99%

Automated Generation of Custom Fit PPE Inserts

Nahmad Vazquez,

Chen

2021

ACADIA Proceedings

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Customized designs of short thumb orthoses using 3D hand parametric models

Chu

Wang

Sun

et al. 2020

Assistive Technology

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Percutaneous assessment of the relationship between Homologous and Non-homologous bones of Upper and Lower limbs among Ghanaian tertiary students

Okwan,

Abaidoo,

Robertson

et al. 2024

Preprint

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BackgroundNatural disasters and accidents may result in loss of some part of the upper and or lower limbs. In such situations, there is the need to design appropriate best fit prostheses for such victims. There is the need to have sex-and side-specific models that can be applied conveniently to design appropriate prosthesis for maximum benefit to the patient.AimTherefore, this study was designed to determine the relationship between homologous and non-homologous bones of upper and lower limbs among Ghanaians using a percutaneous approach.MethodologyEthical approval for this cross-sectional study was sought from the Committee on Human Research, Publication and Ethics, KNUST and 242 participants were sampled via a purposive sampling technique after seeking their consent.ResultsMales significantly recorded greater percutaneous long bones for both the upper and lower limbs than the female participants. With the exception of radial length among the females, for both sexes bilateral asymmetry was observed in the remaining percutaneous limb dimensions where the upper limb parameters were greater on the left side than the right side, but showed right dominance for the lower limb parameters. Although several useful equations were derived, most of them utilized humeral length in the prediction of lower limb length estimation.ConclusionFindings of the present study are useful for the biological profiling of humans with dismembered body parts involved in various disasters such as automobile accidents. The formulae derived would be useful for the design of appropriate prostheses. This study has also reaffirmed the existence of sexual and bilateral dimorphism in body dimensions.

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Parametric modeling of 3D human faces using anthropometric data

Cited by 6 publications

References 9 publications

Automated Generation of Custom Fit PPE Inserts

Automated Generation of Custom Fit PPE Inserts

Customized designs of short thumb orthoses using 3D hand parametric models

Percutaneous assessment of the relationship between Homologous and Non-homologous bones of Upper and Lower limbs among Ghanaian tertiary students

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