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Medical Image Segmentation Based on Wavelet Analysis and Gradient Vector Flow
2014
Journal of Software Engineering and Applications
Medical image segmentation is one of the key technologies in computer aided diagnosis. Due to the complexity and diversity of medical images, the wavelet multi-scale analysis is introduced into GVF (gradient vector flow) snake model. The modulus values of each scale and phase angle values are calculated using wavelet transform, and the local maximum points of modulus values, which are the contours of the object edges, are obtained along phase angle direction at each scale. Then, location of the
doi:10.4236/jsea.2014.712089
fatcat:pj3z4yigqnb6baw7mxlfw6dcpq