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Character Stroke Extraction Based on B-spline Curve Matching by Constrained Alternating Optimization.
X. Liu
Y. Jia
Published in:
ICDAR (2007)
Keyphrases
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curve matching
b spline
alternating optimization
affine transformation
control points
least squares
basis functions
sparse coding
contour extraction
multi task
unsupervised learning
affine invariant
feature vectors
instance selection
region matching