EURASIP Journal on Advances in Signal Processing

Table 2 The ME and STD of OL for the JPEG + uncompressed manipulation

From: Detection of tampered region for JPEG images by using mode-based first digit features

Size		QF₂
Size		75		80		85		90		95
150 × 150		ME	STD	ME	STD	ME	STD	ME	STD	ME	STD
QF₁	50	0.9345	0.0345	0.9363	0.0076	0.9191	0.0319	0.9066	0.0424	0.8363	0.1158
	55	0.9370	0.0284	0.9333	0.0316	0.9234	0.0315	0.9117	0.0396	0.8653	0.0806
	60	0.9275	0.0566	0.9370	0.0267	0.9348	0.0080	0.9114	0.0336	0.8734	0.0800
	65	0.8813	0.0833	0.9388	0.0183	0.9319	0.0249	0.9197	0.0254	0.8859	0.0553

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