A Synthetic Feature Skull Descriptor for 3D Skull Similarity Measurement

Algorithm 1

SWKDD for skull similarity measure algorithm.

Input: ,
Ensure: wave kernel distance in equation (6)
Output: distance
(1)	Compute cotan Laplacian (L, B), which defines the Laplacian
(2)	Compute ;
(3)	Compute the wave kernel distance matrix
(4)	Compute wave the kernel distance matrix
(5)	//Normalize the wave kernel distance matrix
(6)	// Normalize the wave kernel distance matrix
(7)	While and do
(8)	Select the largest value , from and
(9)	Select the smallest value , from and
(10)	;
(11)	Compute the SVD of WKDD and
(12)	Compute the CDF of WKDD and
(13)	// computer the
(14)	// computer the
(15)	Compute the skull similarity distance:
(16)	end while