A Simple Quality Assessment Index for Stereoscopic Images Based on 3D Gradient Magnitude

Table 2

Performance comparison of the eight schemes on each individual distortion type in terms of PLCC.

	Criteria	PSNR	SSIM	MS-SSIM	Benoit [13]	You [14]	Bensalma [17]	Chen [18]	Shao [20]	Proposed
NBU	JPEG	0.7851	0.8538	0.9362	0.8062	0.7996	0.8926	0.9334	0.9378	0.9310
	JP2K	0.6960	0.8201	0.9103	0.7312	0.7775	0.9442	0.9513	0.9192	0.9223
	Gblur	0.8690	0.9254	0.8990	0.8760	0.9364	0.9599	0.8938	0.9608	0.9616
	WN	0.9549	0.9362	0.8659	0.9316	0.8749	0.8961	0.9466	0.9447	0.9562
	H246	0.7965	0.8808	0.9359	0.7506	0.8197	0.9525	0.9604	0.9269	0.9274
LIVE I	JPEG	0.1982	0.4955	0.5906	0.4773	0.6216	0.3762	0.4756	0.6845	0.6657
	JP2K	0.7889	0.8683	0.8690	0.8762	0.9376	0.8484	0.8553	0.9081	0.9326
	Gblur	0.8497	0.9119	0.9432	0.9180	0.9538	0.9157	0.9384	0.9525	0.9400
	WN	0.9394	0.9378	0.9147	0.9159	0.9350	0.9136	0.9532	0.9521	0.9259
	FF	0.6997	0.6926	0.8001	0.7393	0.8496	0.7233	0.7969	0.8421	0.8069
LIVE II-S	JPEG	0.2967	0.6769	0.8127	0.8308	0.8720	0.3474	0.6012	0.8450	0.9314
	JP2K	0.5839	0.8161	0.8334	0.8323	0.9203	0.6896	0.6703	0.8954	0.9211
	Gblur	0.8706	0.8324	0.9322	0.9256	0.9779	0.9526	0.9178	0.8991	0.9845
	WN	0.9187	0.9749	0.9688	0.9591	0.9371	0.9359	0.9462	0.9654	0.9667
	FF	0.8135	0.8622	0.9128	0.9321	0.9806	0.9164	0.9382	0.9641	0.9774
LIVE II-A	JPEG	0.5488	0.6847	0.8078	0.7162	0.7036	0.6273	0.5347	0.6523	0.7952
	JP2K	0.6448	0.7359	0.7925	0.7659	0.8684	0.6771	0.6540	0.7824	0.8395
	Gblur	0.8442	0.7391	0.7556	0.8195	0.9719	0.8621	0.6918	0.7725	0.8742
	WN	0.8077	0.9112	0.9404	0.8635	0.8935	0.9236	0.9379	0.7820	0.6919
	FF	0.7522	0.8662	0.8485	0.8656	0.7584	0.8805	0.8138	0.7819	0.8992