Wavelet-based color modification detection based on variance ratio

EURASIP Journal on Image and Video Processing

Table 5 Mean error value comparisons between our method and the AIVC algorithm for various hue shift angles

Demosaicing method	Shifted hue degree	0°	45°	90°	135°	180°	225°	270°	315°
Bilinear	AIVC	1.00	1.80	1.77	1.74	17.74	1.84	1.82	1.71
Bilinear	Proposed	1.82	1.82	1.84	1.84	1.82	1.82	1.82	1.82
AHD	AIVC	16.38	21.41	21.41	21.57	21.88	22.40	22.01	21.34
AHD	Proposed	8.10	8.49	8.83	8.46	8.46	8.37	8.39	8.30
AMaZE	AIVC	22.55	24.48	24.74	24.69	24.61	24.70	24.42	24.20
AMaZE	Proposed	14.17	14.13	14.15	14.02	14.08	14.14	14.12	14.02
DCB	AIVC	24.84	35.07	36.00	36.31	37.04	37.38	35.44	34.62
DCB	Proposed	4.70	5.38	5.20	5.38	5.34	5.31	5.11	5.17
LMMSE	AIVC	18.78	21.45	21.83	21.94	21.93	22.03	21.74	21.40
LMMSE	Proposed	19.48	19.61	19.53	19.58	19.38	19.44	19.32	19.18
VNG	AIVC	11.22	13.52	13.67	13.69	13.56	13.90	13.73	13.42
VNG	Proposed	6.84	6.80	6.85	6.82	6.79	6.80	6.77	6.82
HPHD	AIVC	35.75	37.31	37.34	37.27	37.16	37.23	36.87	37.06
HPHD	Proposed	25.67	25.51	25.58	25.73	25.54	25.31	25.58	25.37