基于统计形状模型的平均头部及其与头部相关的转移函数的典型性分析
1School of Physics and Optoelectronics, South China University of Technology, Guangzhou, China.
The Journal of the Acoustical Society of America
|January 8, 2025
概括
本研究介绍了基于统计形状模型的中国成年人的平均头部,改善了与头部相关的转移函数 (HRTF) 的生成. 这种方法提供了一种可重复的设计过程,用于更准确的声学测量.
科学领域:
- 声学 声学 在声学方面
- 生物医学工程 生物医学工程
- 计算机图形 计算机图形
背景情况:
- 人工头对于双耳信号记录和与头相关的传输功能 (HRTF) 获取至关重要.
- 现有的人工头通常依赖于人体参数,这些参数不能充分代表头部表面的几何形状,阻碍了准确的HRTF生成.
研究的目的:
- 开发一个基于中国成年人平均头部的统计形状模型.
- 为了建立一个可重复的设计过程,这个平均头.
- 为了验证平均头部形状和声学特征的代表性.
主要方法:
- 一个统计形状模型是使用100名中国成年人的人类测量数据创建的.
- 平均头部的设计过程被记录在案,以确保可重复性.
- 平均头部的人类测量参数和头部相关转移函数 (HRTF) 与受试者数据库进行了比较.
主要成果:
- 基于统计形状模型,成功生成了100名中国成年人的平均头部.
- 平均头部表现出代表性的头部表面形状特征和声学特征.
- 从平均头部获得的与头部相关的转移函数 (HRTF) 在一个更大的HRTF数据库中被发现是代表性的.
结论:
- 拟议的统计形状模型方法为人工头提供了更准确的头部几何表示.
- 可重复的设计过程有助于将这种方法应用和适应于不同人群.
- 这一进步改善了用于声学研究的典型头部相关传递函数 (HRTF) 的生成.
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