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Table 3 Performance against common processing attacks in StirMark 4.1

From: Counteracting geometrical attacks on robust image watermarking by constructing a deformable pyramid transform

Attack Tank Globe Lena Man Zelda
DMST DPT DMST DPT DMST DPT DMST DPT DMST DPT
JPEG QF 19 16 12 11 17 15 20 15 13 14
AWGN 4 4 5 5 5 4 5 5 4 4
MedianCut 3 × 3 3 × 3 3 × 3 3 × 3 3 × 3 3 × 3 3 × 3 3 × 3 3 × 3 5 × 5
GaussFilt. Ok Ok Ok Ok Ok Ok Ok Ok Ok Ok
Sharpening Ok Ok Ok Ok Ok Ok Ok Ok Ok Ok
  1. In the table, WNZH-DMST is abbreviated as DMST for compactness. The given values for JPEG compression, AWGN, and MedianCut denote the strongest attacks that the concerned scheme can successfully counteract. The ‘Ok’ for GaussFilt. (i.e., Gaussian filtering) and sharpening implies that the DMST or DPT survive all default attacks in StirMark 4.1.