EURASIP Journal on Image and Video Processing

Table 2 Main parameters of the employed SIFT implementations

From: Counter-forensics of SIFT-based copy-move detection by means of keypoint classification

	Octaves			Thresholds
	Number	Initial	Intervals	Contrast	Edge	Peak
VLFeat	1	0	3	×	10	4
SiftLegacy	1	0	3	0.03	10	4
RobHess	1	0	3	0.04	10	0.8
Jift	1	0	3	0.03	10	0.8

In Vedaldi and Fulkerson’s VLFeat the minimum amount of contrast to accept a keypoint is controlled by the peak threshold (hence the × symbol in the table).

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