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Towards a Complete 3D Morphable Model of the Human Head.
Summary
This study presents the most comprehensive 3D morphable model (3DMM) of the human head, integrating facial and cranial features. The advanced 3DMM enables detailed reconstruction of head shape and texture from single images.
Area of Science:
- Computer Vision
- 3D Modeling
- Biometrics
Background:
- Three-dimensional morphable models (3DMMs) are essential for representing object classes in 3D.
- Existing models often focus on specific parts, limiting comprehensive head representation.
Purpose of the Study:
- To develop the most complete 3DMM of the human head to date.
- To integrate face, cranium, ears, eyes, teeth, and tongue into a unified model.
- To enable detailed head reconstruction from single, unconstrained images.
Main Methods:
- Developed novel methods for combining overlapping 3DMMs: part completion using regressors and covariance matrix blending via Gaussian Processes.
- Integrated existing face (LSFM) and head (LYHM) models, enhancing facial detail and full head modeling.
- Fused a detailed ear model and incorporated eye, teeth, tongue, and inner mouth cavity models.
Main Results:
- Created the most complete human head 3DMM, encompassing face, cranium, ears, eyes, teeth, and tongue.
- Achieved state-of-the-art performance in head model reconstruction.
- Successfully reconstructed full head representations from single images, parameterizing craniofacial shape, texture, ear shape, eye gaze, and eye color.
Conclusions:
- The developed comprehensive 3DMM significantly advances human head modeling capabilities.
- This model facilitates detailed analysis and reconstruction of craniofacial and head geometry.
- Enables new applications in areas requiring precise 3D human head representation from imagery.
