EURASIP Journal on Advances in Signal Processing

Table 6 Extraction rates in JPEG compression of quality 75%.

From: Digital Watermarking Method Warranting the Lower Limit of Image Quality of Watermarked Images

	sameQ			maxQ
	MTF	JPEG75	JPEG50	MTF	JPEG75	JPEG50
aerial	50.00	48.44	56.25	56.25	96.88	95.31
airplane	37.50	50.00	48.44	23.44	82.81	62.50
balloon	53.13	50.00	65.63	34.36	87.50	90.63
couple	45.31	48.44	57.81	56.25	93.75	82.81
earth	57.81	46.88	53.13	45.31	93.75	87.50
girl	53.13	48.44	46.88	56.25	93.75	89.06
lenna	40.63	51.56	50.00	82.81	92.19	84.38
mandrill	43.75	70.31	50.00	15.63	93.75	96.88
milkdrop	50.00	64.06	45.31	59.38	82.81	67.19
parrots	54.69	59.38	45.31	48.44	81.25	93.75
pepper	39.06	65.63	67.19	43.75	75.00	71.88
sailboat	42.19	40.63	46.88	35.98	89.06	59.38

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