Reversible Data Hiding for Encrypted 3D Model Based on Prediction Error Expansion

Table 1

File format of Figure 2.

	Vertex list			Face information
Index of vertex	-axis	-axis	-axis	Index of face	Elements in each face
1				1	(2,3,1)
2				2	(5,1,4)
3				3	(3,6,7)
4				4	(5,2,1)
5				5	(3,10,7)