Shape Moments for Region- Based Active Contours

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Goal

o Introduce shape prior into the

Chan and Vese model

Improve performance in

the presence of:

•Occlusion

•Cluttered background

•Noise

SSIP 2005

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Goal o Introduce shape prior into the Chan and Vese model Improve performance in the presence of: •Occlusion •Cluttered background •Noise SSIP 2005

Overview o Region-based active contours o The Mumford-Shah model o The Chan and Vese model o Level-set function o Shape moments o Geometric moments o Legendre moments o Chebyshev moments o Segmentation with shape prior o Experimental results SSIP 2005

Page 1: Shape Moments for Region- Based Act
Page 5 and 6: Chan and Vese model I. o Intensity
Page 7 and 8: Chan and Vese model II. o Level set
Page 9 and 10: Geometric shape moments o Introduce
Page 11 and 12: Chebyshev moments o Ideal choice be
Page 13 and 14: New energy function o We define our
Page 15 and 16: Geometric results Legendre moments
Page 17 and 18: Conclusions, future work o Legendre

Shape Moments for Region- Based Active Contours

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