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    • 82. 发明公开
    • SYSTEMS AND METHODS OF MEASURING FACIAL CHARACTERISTICS
    • SYSTEME UND VERFAHREN ZUR MESSUNG VON GESICHTSMERKMALEN
    • EP3033650A4
    • 2017-04-12
    • EP14836581
    • 2014-08-12
    • VSP LABS INC
    • CHOLAYIL SAMEERDOAN BRIAN HUNGPHAM PHUONG THI XUAN
    • G02B27/32A61B3/11A61B5/00A61B5/107A61B5/11
    • A61B5/107A61B3/111A61B5/1072A61B5/1127A61B5/6803A61B2576/00G02C13/003
    • Systems and methods for measuring facial characteristics of patients. In various embodiments, the system uses a geometric pattern to determine a reference scale for an image that includes the geometric pattern and at least a portion of the patient's face. The system may determine the reference scale based at least in part on a known measurement within the geometric pattern. The known measurement may include a distance between two geometric attributes of the geometric pattern. The system may be further configured to correct for errors caused by an orientation of the geometric pattern within the image and/or distortion of the geometric pattern within the image. The geometric pattern may be disposed on a reference device that may be configured to enable a user to attach the reference device to the head of the patient or a pair of eyewear worn by the patient.
    • 用于测量患者面部特征的系统和方法。 在各种实施例中,系统使用几何图案来确定包括几何图案和患者面部的至少一部分的图像的参考比例。 该系统可以至少部分地基于几何图案内的已知测量来确定参考刻度。 已知的测量可以包括几何图案的两个几何属性之间的距离。 该系统还可以被配置为校正图像内的几何图案的取向引起的错误和/或图像内的几何图案的失真。 几何图案可以设置在参考装置上,该参考装置可以被配置为使得使用者能够将参考装置附接到患者的头部或由患者佩戴的一对眼镜。