High-quality single-shot capture of facial geometry
High-quality single-shot capture of facial geometry
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DOI：
10.1145/1833349.1778777
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发表时间：
2010-07
期刊：
影响因子：
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通讯作者：
T. Beeler;B. Bickel;P. Beardsley;Bob Sumner;M. Gross
中科院分区：
文献类型：
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作者：
T. Beeler;B. Bickel;P. Beardsley;Bob Sumner;M. Gross
本文介绍了一种被动立体系统，用于在标准光源下单次拍摄人脸的3D几何形状。该系统成本低，易于部署。结果是亚毫米级的精确度，与基于主动照明的最先进的系统相当，模型满足电影业等苛刻领域的质量要求。展示了从工作室环境中的高端相机和消费者双目立体相机捕获的三维模型，展示了相机部署范围内的可扩展性，并展示了3D人脸建模超越专业竞技场并进入立体摄影新兴消费市场的潜力。我们的主要技术贡献是修改标准的立体细化方法来捕捉孔隙尺度的几何形状，使用定性的方法，产生视觉逼真的结果。第二个技术贡献是适合于面部捕获系统的校准方法。系统贡献包括系统稳健性和质量的多个演示。这些包括在工作室设置中捕获，从消费者双目立体相机捕获，扫描不同性别、种族和年龄的面部，捕获高度瞬态的面部表情，以及扫描物理面具以提供地面真实验证。
This paper describes a passive stereo system for capturing the 3D geometry of a face in a single-shot under standard light sources. The system is low-cost and easy to deploy. Results are submillimeter accurate and commensurate with those from state-of-the-art systems based on active lighting, and the models meet the quality requirements of a demanding domain like the movie industry. Recovered models are shown for captures from both high-end cameras in a studio setting and from a consumer binocular-stereo camera, demonstrating scalability across a spectrum of camera deployments, and showing the potential for 3D face modeling to move beyond the professional arena and into the emerging consumer market in stereoscopic photography. Our primary technical contribution is a modification of standard stereo refinement methods to capture pore-scale geometry, using a qualitative approach that produces visually realistic results. The second technical contribution is a calibration method suited to face capture systems. The systemic contribution includes multiple demonstrations of system robustness and quality. These include capture in a studio setup, capture off a consumer binocular-stereo camera, scanning of faces of varying gender and ethnicity and age, capture of highly-transient facial expression, and scanning a physical mask to provide ground-truth validation.