ICIP 2006, Atlanta, GA
 

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Paper Detail

Paper:MA-P5.7
Session:Image Representation, Rendering, Display, and Assesment
Time:Monday, October 9, 09:40 - 12:20
Presentation: Poster
Topic: Image Scanning, Display and Printing: Image Representation and Rendering
Title: FITTING ELLIPSES TO A REGION WITH APPLICATION IN CALLIGRAPHIC STROKE RECONSTRUCTION
Authors: Sam Tak-Sum Wong; City University of Hong Kong 
 Howard Leung; City University of Hong Kong 
 Horace Ip; City University of Hong Kong 
Abstract: Given a region, it is a challenge to find a set of primitive shapes such as rectangles, circles or ellipses to cover it. This is in fact a set-covering problem, which is known to be NP-hard. The focus of this paper is on fitting a set of ellipses onto an image region. This problem was first formulated by identifying a number of criteria required for the ellipse fitting. A solution is then proposed for automatically determining the set of ellipses that best fits onto an image region. The proposed ellipse fitting algorithm has also been applied to strokes forming characters of Chinese calligraphic artwork. The results show that our proposed algorithm generates ellipses fitting onto stroke regions and capturing the characteristics of the strokes during turning, tilting and back-trace.