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Visualization of Clusters in an Educational Data Set Based on Convex-Hull Shape Preservation Algorithm.
Marcelo Keese Albertini
André Ricardo Backes
Published in:
Int. J. Pattern Recognit. Artif. Intell. (2017)
Keyphrases
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convex hull
data sets
objective function
dynamic programming
learning algorithm
matching algorithm
optimal solution
search space
recursive algorithm
simple polygon
k means
voronoi diagram
finite set of points
mixed integer
np hard
video sequences
computer vision