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+ | |||
+ | == Gender Recognition Parameters == | ||
+ | |||
+ | === Shoulder & Hip Width === | ||
+ | Given approximately the same height and weight, | ||
+ | * Males’ shoulders averaged 3.6cm broader than those of females | ||
+ | * Females’ hips averaged 0.7cm broader than those of males | ||
+ | [http://people.psych.cornell.edu/~jec7/pubs/biomechanical.pdf Source: A Biomechanical Invariant for Gait Perception] | ||
=== Center of moment === | === Center of moment === | ||
− | |||
− | + | [[Image:Center_of_moment.png|500px]] | |
+ | |||
+ | Center of moment (Cm) is approximately the intersection of the two stress lines across the diagonals of the torso i.e. from the end of one's left shoulder to the end of one's right hip & from from the end of one's right shoulder to the end of one's left hip | ||
+ | |||
+ | Cm = shoulder width / (shoulder width + hip width) | ||
+ | |||
+ | Because males’ thighs are generally less massive than female ones & females’ hips are larger than male ones, | ||
+ | * Males’ center of moment are slightly higher than female ones. [http://www.ncbi.nlm.nih.gov/pubmed/16366787 Source: Gender recognition from point-light walkers] | ||
+ | * Cm for males: 0.56 - 0.57, Cm for females: 0.50 - 0.51 [http://www.perceptionweb.com/abstract.cgi?id=v970295 Source: The effect of the centre of moment on gender recognition from biological motion] | ||
+ | |||
+ | [[Image:Center_of_moment_probability.png|600px]] | ||
+ | |||
+ | === In the East Asian context === | ||
+ | |||
+ | To ensure that the above findings are relevant to us, we found research that is based on East Asians and corroborates the above findings. | ||
+ | |||
+ | Comparison of body proportions of East Asian females in standing posture: | ||
+ | |||
+ | [[Image:East_asian_female_skeleton.png|600px]] | ||
+ | |||
+ | Comparison of body proportions of East Asian males in standing posture: | ||
+ | |||
+ | [[Image:East_asian_male_skeleton.png|600px]] | ||
+ | |||
+ | Based on research on over 20,000 Chinese adults over 20,000 Japanese adults, 13,000 Korean adults and 11,000 Taiwanese adults, it has been found that: | ||
+ | * Males are generally taller than females | ||
+ | * Males have broader shoulders than females | ||
+ | * Females have wider hips than males | ||
+ | * Males have a larger center of moment value than females | ||
+ | |||
+ | [http://www.u.arizona.edu/~sandiway/blog/anthropometry/sdarticle.pdf Source: The comparisons of anthropometric characteristics among four peoples in East Asia] |
Latest revision as of 17:57, 22 September 2012
User Testing 1 | User Testing 2 | Development Technologies | Hardware | Primary Research | Secondary Research |
Contents
Gender Recognition Parameters
Shoulder & Hip Width
Given approximately the same height and weight,
- Males’ shoulders averaged 3.6cm broader than those of females
- Females’ hips averaged 0.7cm broader than those of males
Source: A Biomechanical Invariant for Gait Perception
Center of moment
Center of moment (Cm) is approximately the intersection of the two stress lines across the diagonals of the torso i.e. from the end of one's left shoulder to the end of one's right hip & from from the end of one's right shoulder to the end of one's left hip
Cm = shoulder width / (shoulder width + hip width)
Because males’ thighs are generally less massive than female ones & females’ hips are larger than male ones,
- Males’ center of moment are slightly higher than female ones. Source: Gender recognition from point-light walkers
- Cm for males: 0.56 - 0.57, Cm for females: 0.50 - 0.51 Source: The effect of the centre of moment on gender recognition from biological motion
In the East Asian context
To ensure that the above findings are relevant to us, we found research that is based on East Asians and corroborates the above findings.
Comparison of body proportions of East Asian females in standing posture:
Comparison of body proportions of East Asian males in standing posture:
Based on research on over 20,000 Chinese adults over 20,000 Japanese adults, 13,000 Korean adults and 11,000 Taiwanese adults, it has been found that:
- Males are generally taller than females
- Males have broader shoulders than females
- Females have wider hips than males
- Males have a larger center of moment value than females
Source: The comparisons of anthropometric characteristics among four peoples in East Asia