Reconstruction of the fetus face from three-dimensional ultrasound using a newborn face statistical shape model

The fetal face is an essential source of information in the assessment of congenital malformations and neurological anomalies. Disturbance in early stages of development can lead to a wide range of effects, from subtle changes in facial and neurological features to characteristic facial shapes obser...

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Bibliographic Details
Published in:Computer methods and programs in biomedicine 2022-06, Vol.221, p.106893-106893, Article 106893
Main Authors: Alomar, Antonia, Morales, Araceli, Vellvé, Kilian, Porras, Antonio R., Crispi, Fatima, Linguraru, Marius George, Piella, Gemma, Sukno, Federico
Format: Article
Language:English
Subjects:
3D segmentation
3D statistical shape model
Craniofacial defects
Fetal face
Physical defects
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Summary:The fetal face is an essential source of information in the assessment of congenital malformations and neurological anomalies. Disturbance in early stages of development can lead to a wide range of effects, from subtle changes in facial and neurological features to characteristic facial shapes observed in craniofacial syndromes. Three-dimensional ultrasound (3D US) can provide more detailed information about the facial morphology of the fetus than the conventional 2D US, but its use for pre-natal diagnosis is challenging due to imaging noise, fetal movements, limited field-of-view, low soft-tissue contrast, and occlusions. In this paper, we propose the use of a novel statistical morphable model of newborn faces, the BabyFM, for fetal face reconstruction from 3D US images. We test the feasibility of using newborn statistics to accurately reconstruct fetal faces by fitting the regularized morphable model to the noisy 3D US images. The results indicate that the reconstructions are quite accurate in the central-face and less reliable in the lateral regions (mean point-to-surface error of 2.35 mm vs 4.86 mm). The algorithm is able to reconstruct the whole facial morphology of babies from US scans while handle adverse conditions (e.g. missing parts, noisy data). The proposed algorithm has the potential to aid in-utero diagnosis for conditions that involve facial dysmorphology.
ISSN:0169-2607
1872-7565
DOI:10.1016/j.cmpb.2022.106893