基于3D扫描图像的耳廓生理尺寸参数测量
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- 英文论文题名：Measurement of pinna anthropometric parameters based on the 3D scanned graphics
- 论文作者：吴锐兴 ; 余光正
- 英文论文作者：WU Rui-xing ; YU Guang-zheng ; Acoustic Lab. ; School of Physics and Optoelectronics ; South China University of Technology
- 年：2016
- 作者机构：华南理工大学物理与光电学院声学研究所;
- 论文关键词：生理参数 ; 耳廓 ; 头相关传输函数
- 会议召开时间：2016-10-28
- 会议录名称：2016年全国声学学术会议论文集
- 语种：中文
- 分类号：R339.1
- 学会代码：OGSM
- 会议名称：2016年全国声学学术会议
- 会议地点：中国湖北武汉
- 主办单位：中国声学学会
- 学会名称：中国声学学会
- 页数：4
- 文件大小：644k
- 原文格式：D
- 会议级别：全国
摘要
受试者生理尺寸参数是研究个性化头相关传输函数的重要数据基础。相比于头部和躯干而言,精细的耳廓结构更加复杂,因此其生理尺寸参数测量更加困难。特别是,如果直接对真人进行耳廓参数测量,不可避免地受到头动因素影响。因此,先通过3D扫描生成耳廓模型。然后,基于3D耳廓图像,在图像处理软件中测量耳廓生理尺寸参数。在测量过程中借助了法兰克福参考面,并设定操作流程,以改善测量结果的重复性,以及不同受试者测量数据的一致性。最后,将不同方式测量的数据进行对比分析,结果表明基于3D扫描模型的测量方式是可行且有效的。
The anthropometric parameters of human subjects are the important data basis of investigating the individualized head-related transfer functions. In comparison with head and torso, the fine pinna structure is more complicated, so that the measurement of pinna anthropometric parameters is more difficult. Especially, the measurement will be inevitably influenced by the head movement factor. Therefore, first, the pinna models were generated through 3D scanning. Then, based on the 3D pinna graphics, the anthropometric parameters of pinnae were measured in the image processing software. The Frankfurt reference plane was adopted and the operation flow was designed in the measurement, so as to improve the measurement repeatability and the consistency between the individual subjects. Last, the measured data via different approaches were compared and analysed, and results indicate that the 3D scanned model based measurement method is feasible and effective.
The anthropometric parameters of human subjects are the important data basis of investigating the individualized head-related transfer functions. In comparison with head and torso, the fine pinna structure is more complicated, so that the measurement of pinna anthropometric parameters is more difficult. Especially, the measurement will be inevitably influenced by the head movement factor. Therefore, first, the pinna models were generated through 3D scanning. Then, based on the 3D pinna graphics, the anthropometric parameters of pinnae were measured in the image processing software. The Frankfurt reference plane was adopted and the operation flow was designed in the measurement, so as to improve the measurement repeatability and the consistency between the individual subjects. Last, the measured data via different approaches were compared and analysed, and results indicate that the 3D scanned model based measurement method is feasible and effective.
引文
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[2]Chen Z,Yu G,Xie B,Guan S.Analysis on Near-field Head-related Transfer Functions of a Simplified Head-neck-torso Model[J].Chin.Phys.Lett.,2012,29(3):034302.
[3]Flannery R,Butler R A.Spectral cues provided by the pinna for monaural localization in the horizontal plane[J].Perception&psychophysics,1981,29(5):438-444.
[4]Nishino T,Inoue N,Takeda K,et al.Estimation of HRTFs on the horizontal plane using physical features[J].Applied Acoustics,2007,68(8):897-908.
[5]Grijalva F,Martini L,Goldenstein S,et al.Anthropometric-based customization of head-related transfer functions using Isomap in the horizontal plane[C].2014 IEEE International Conference on Acoustics,Speech and Signal Processing(ICASSP).IEEE,2014:4473-4477.
[6]Algazi V R,Duda R O,Thompson D M,et al.The CIPIC HRTF database[C].Applications of Signal Processing to Audio and Acoustics,2001 IEEE Workshop on the.IEEE,2001:99-102.
[7]Xie B S,Zhong X L,Rao D,et al.Head-related transfer function database and its analyses[J].Science in China Series G:Physics,Mechanics and Astronomy,2007,50(3):267-280.
[8]GB/T 2428-1998.The dimension of adult’s head and face[S].
[9]Faller K J,Hoang K.Estimation of parameters of a head-related transfer function customization model[J].The Journal of the Acoustical Society of America,2012,132(3):1956-1956.
[10]Liu X,Zhong X.Extracting anthropometric parameters from a scanned 3D-head-model[C].Information Science and Control Engineering(ICISCE),2015 2nd International Conference on.IEEE,2015:225-228.
[11]Yu G,He Y,Xie B.Measurement of pinna flare angle and its effect on individualized head-related transfer functions[C].The 22nd International Congress of Acoustics,Buenos Aires–5 to 9 September,2016.
[12]Fels J,Vorlander M.Anthropometric parameters influencing head-related transfer functions[J].ACTA Acustica United with Acustica,2009,95:331-342.