EURASIP Journal on Information Security

Table 7 Accuracy obtained employing different JPEG implementations with QF₂=90

From: Estimating Previous Quantization Factors on Multiple JPEG Compressed Images

	60	65	70	75	80	85	90	95	MEAN
Pillow	0,76	0,77	0,78	0,82	0,82	0,75	0,23	0,38	0,66
libjpeg-turbo dct-int	0,76	0,76	0,77	0,80	0,80	0,74	0,23	0,38	0,66
libjpeg-turbo dct-float	0,75	0,75	0,76	0,80	0,80	0,72	0,23	0,39	0,65

The columns (60,65,...,95) represent the QF₁

Back to article page