A Joint Encryption and Reversible Data Hiding Scheme Based on Integer-DWT and Arnold Map Permutation

Table 4

Coefficients of different images.

Coefficients	Plain image			Cypher image
	Horizontal	Vertical	Diagonal	Horizontal	Vertical	Diagonal
Airplane	0.9728	0.9648	0.9416	−0.0092	0.0008	−0.0054
Baboon	0.8407	0.7500	0.7160	0.0437	0.0101	0.0162
Barbara	0.9076	0.9648	0.8898	−0.0142	−0.0078	−0.0222
Boat	0.9531	0.9827	0.9405	0.0320	−0.0088	−0.0090
Lena	0.9711	0.9851	0.9598	−0.0022	−0.0204	0.0215
Peppers	0.9779	0.9777	0.9665	−0.0400	0.00474	−0.0183