Online from: 1989
Subject Area: Mechanical & Materials Engineering
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|Title:||Algorithms of the Automatic Landmark Identification for various torso shapes|
|Author(s):||Hyunsook Han, (Clothing and Textile Department, Seoul National University, Seoul, South Korea), Yunja Nam, (Clothing and Textile Department, Seoul National University, Seoul, South Korea), Su-Jeong Hwang Shin, (Apparel Design and Manufacturing Program, Texas Tech University, College of Human Science, Lubbock, Texas, USA)|
|Citation:||Hyunsook Han, Yunja Nam, Su-Jeong Hwang Shin, (2010) "Algorithms of the Automatic Landmark Identification for various torso shapes", International Journal of Clothing Science and Technology, Vol. 22 Iss: 5, pp.343 - 357|
|Keywords:||Computational geometry, Garment industry, Measurement, South Korea|
|Article type:||Research paper|
|DOI:||10.1108/09556221011071811 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
Purpose – The purpose of this paper is to provide algorithms of the automatic landmark extraction software program that are applicable for any torso shape.
Design/methodology/approach – In this study, Automatic Landmark Identification (AULID), an automatic landmark extraction software program, was developed to extract consistent landmark locations from any torso shape. A methodology of geometrical characteristics of the body surfaces around each landmark was used for the algorithms and implemented with C++. The accuracy of the AULID was tested on various torso shapes. The verification methodology consisted of mean difference (MD), mean absolute differences (MAD), and one-way analysis of variance. Duncan test for multiple comparisons was used to evaluate the significant differences of MAD values among different torso groups. The MAD values were compared to the anthropometric survey allowable errors.
Findings – The algorithms of AULID provided both accuracy and consistency of identifying landmarks on any body torso types.
Originality/value – Most 3D body scanning systems often show landmark location errors when dealing with nonstandard body shapes. None of automatic landmark extraction software program provides consistency of identifying landmarks in various body shapes. However, algorithms of AULID, an automatic landmark extraction software program, in this study are only consistent definitions for identifying landmarks in any torso shape.
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