3D motion analysis and its application in adaptive dance education system
三維人體動作分析及其在智能舞蹈教學系統中的應用
Student thesis: Doctoral Thesis
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Award date | 3 Oct 2012 |
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Permanent Link | https://scholars.cityu.edu.hk/en/theses/theses(fc4ba574-8851-4325-8a94-0cedcf900fbb).html |
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Other link(s) | Links |
Abstract
Dance, as an art of the body movement, has great impact on our lives. However, learning
to dance is a non-trivial task. In this dissertation, an adaptive educational system
for dance education is presented to guide students in learning dances. It provides a
virtual reality learning environment with an efficient two-phase dance lesson.
Learning the whole dance at once would overwhelm most students, and for that
reason, the dance is divided into small segments which we call patterns by extracting
the repetitions. These patterns are treated as the learning objects in phase-1 learning.
In order to achieve an organized learning, the prerequisite structure is then automatically
built by considering the relations between the learning objects. Then based on
the prerequisite structure, we could build the knowledge structure. Finally, according
to the proposed motion complexity measure, an easy-to-complex learning path while
respecting the prerequisite relations is derived to guide the students in going through
all the patterns.
People learn in many different ways. The preferred way people apply in learning
is what psychologists called learning style. Adapting different learning strategies
to different learning styles yields better learning experience. In this dissertation, we
proposed a novel rule-based approach to detect the students’ learning styles (holist or
serialist). The approach could infer the students’ learning styles by analyzing the students’
navigation along the prerequisite structure. Based on the detected learning style,
we proposed a method to extend the phase-1 learning environment into a learning style
based adaptive learning environment. Adaptive navigation support is implemented to
facilitate the phase-1 learning, two major techniques are involved, i.e., adaptive ordering and adaptive annotation.
After dividing the dance into small segments, the next issue to address is to guide
the students to string these patterns together into the full dance. In order to do that,
an adaptive discrete increments of instruction is presented, the size of increment is
dynamically adjusted during the learning process. The learning process of the phase-
2 adapts to the student’s background knowledge and preference. It keeps monitoring
the students’ performances during the learning process, and adaptively adding new
patterns for the students to learn. Generally speaking, within the capacity of human
working memory, the more the students have scored, the more the additional patterns
will be presented. Adaptive navigation support based on the adaptive ordering and
adaptive annotation is also implemented to facilitate the phase-2 learning.
In this dissertation, we proposed an automatic way to construct the prerequisite
structure which serves as the basis for further deriving the two-phase lesson. We proposed
to automatically derive an easy-to-complex phase-1 lesson to guide the students
in learning the patterns. Furthermore, we proposed a rule-based approach to detect
the students’ learning styles. By adapting to the different learning styles, the phase-1
learning environment is further extended into an adaptive learning environment. As for
phase-2 learning, we provide the students with adaptive discrete increments of instruction
to teach them to string these patterns together into the full dance. We have also
implemented the proposed two-phase dance learning system called Dance Learning
from Bottom-Up Structure (DL-BUS). Several user studies are conducted to evaluate
the proposed system, t-test and chi-squared test were explored to study the collected
data. The experiment results indicate that our proposed DL-BUS is an interesting and
effective platform for dance education. DL-BUS will have a great impact on how people
learn dance.
- Study and teaching, Computer-assisted instruction, Dance, Technological innovations, Three-dimensional imaging