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Table 3 Average performance of the proposed CNN estimator and [10] for QF2=80

From: Boosting CNN-based primary quantization matrix estimation of double JPEG images via a classification-like architecture

  Prop CNN CNN in [10]
AvgAcc 0.440 0.375
AvgMSE 1.866 1.946
  1. The DJPEG is non-aligned with probability 63/64, aligned with probability 1/64 (same setting considered for the training of the models)