Discrete Wavelet Transform on Color Picture Interpolation of Digital Still Camera

Table 3

Peak signal-to-noise ratio comparison (unit: dB).

Studies	Sakamoto et al. [2]	Gunturk et al. [6]	Pei and Tam [3]	Dubois [7]	Lukac et al. [5]	Chung et al. [13]	Proposed
Picture 01	30.85	38.05	34.08	38.02	37.41	39.88	38.26
Picture 02	36.03	37.55	35.54	37.88	37.78	37.96	38.96
Picture 03	35.88	42.06	39.78	42.17	42.32	42.91	43.70
Picture 04	28.62	34.73	31.57	35.13	34.29	36.22	34.62
Picture 05	35.60	41.75	39.36	41.71	41.59	42.05	43.09
Picture 06	32.57	39.22	36.06	38.86	38.74	40.17	39.72
Picture 07	36.03	39.07	39.16	39.32	40.01	39.79	41.92
Picture 08	32.00	37.94	35.25	39.96	37.45	40.75	39.19
Picture 09	35.76	42.11	40.29	42.17	42.19	42.32	43.35
Picture 10	33.13	35.89	35.93	36.04	37.07	36.24	39.28
Picture 11	32.30	37.39	35.43	37.27	37.09	37.68	38.27
Picture 12	34.21	37.93	36.93	38.22	38.52	38.45	40.80
Picture 13	36.73	41.45	41.23	41.69	42.39	42.31	43.25
Picture 14	36.36	41.57	40.72	41.97	42.48	41.67	43.96
Picture 15	33.36	39.31	37.86	39.81	39.14	40.56	40.41
Picture 16	35.02	38.94	38.92	39.27	39.25	39.33	40.91
Picture 17	32.50	40.38	35.51	40.42	39.34	41.75	41.98
Picture 18	37.75	41.71	42.12	42.19	42.93	42.07	43.73
Picture 19	36.51	40.38	39.94	40.52	40.79	40.15	42.66
Picture 20	28.59	37.26	31.04	35.27	34.57	37.56	36.76
Picture 21	36.34	42.52	40.33	42.98	42.27	43.54	44.55
Picture 22	34.83	42.10	38.32	43.71	40.45	44.31	41.63
Picture 23	33.03	40.83	38.99	40.39	41.18	41.58	40.80
Picture 24	30.66	34.92	33.95	35.34	34.89	35.29	36.46
Average	33.94	39.38	37.43	39.60	39.34	40.19	40.76