Secure Image Authentication Scheme Using Double Random-Phase Encoding and Compressive Sensing

Table 1

Comparisons on APSNRs of reconstructed images at different sampling rates.

Image	Algorithm	20%	30%	50%	70%
Camera	BLP-CS [39]	21.2134	24.8215	28.6241	32.9325
	BCS-In [40]	18.0314	21.5327	27.4108	32.8574
	BCS-DRPE [29]	17.0794	22.3241	26.9541	32.4573
	VQCS-DRPE	25.4512	25.9545	28.3244	32.1575
Lena	BLP-CS [39]	23.6405	27.5214	31.4421	35.7324
	BCS-In [40]	19.5241	23.3256	27.3125	32.1542
	BCS-DRPE [29]	23.9345	27.4571	32.7794	37.9847
	VQCS-DRPE	27.7841	29.3245	32.9394	37.4765
Baboon	BLP-CS [39]	18.8341	20.2345	22.6243	25.8341
	BCS-In [40]	14.7214	17.6211	21.3098	25.2132
	BCS-DRPE [29]	20.3842	21.9848	24.0153	27.3547
	VQCS-DRPE	25.9657	25.1214	26.3254	27.3655
Peppers	BLP-CS [39]	23.9135	27.2187	30.9455	34.7241
	BCS-In [40]	18.4241	22.6324	27.9357	32.5048
	BCS-DRPE [29]	21.0541	26.3545	31.8258	37.1323
	VQCS-DRPE	25.9616	27.3547	31.4575	36.7724

Bold values show that the results of our method are superior to the compared results.