4.7 Article

Computational Human Nasal Reconstruction Based on Facial Landmarks

Journal

MATHEMATICS
Volume 11, Issue 11, Pages -

Publisher

MDPI
DOI: 10.3390/math11112456

Keywords

computational reconstruction; modified function; nasal morphology; nasal reconstruction; Vietnamese nose

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This research presents a mathematical-based approach for computational reconstruction of the human nose using images with anthropometric characteristics. The approach reconstructs the nasal baselines utilizing interpolation and Mesh adaptive direct search algorithms. A mathematical model is built, and experiments on nasal reconstruction are conducted. The evaluations demonstrate that the computer-reconstructed noses match the original ones in shape with minimum area errors.
This research presented a mathematical-based approach to the computational reconstruction of the human nose through images with anthropometric characteristics. The nasal baselines, which were generated from facial aesthetic subunits combined with the facial landmarks, were reconstructed using interpolation and Mesh adaptive direct search algorithms to generate points that would serve as the support for the layer-by-layer reconstruction. The approach is proposed as the basis for nasal reconstruction in aesthetics or forensics rather than focusing on the applications of image processing or deep learning. A mathematical model for the computational reconstruction was built, and then volunteers were the subjects of nasal reconstruction experiments. The validations based on the area errors-which are based on four samples and eight sub-regions with different values depending on the regions C-1, C-2, and C-3 and nasal shapes of the volunteers-were measured to prove the results of the mathematical model. Evaluations have demonstrated that the computer-reconstructed noses fit the original ones in shape and with minimum area errors. This study describes a computational reconstruction based on a mathematical approach directly to facial anthropometric landmarks to reconstruct the nasal shape.

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