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Table 1 Average performance of the proposed CNN estimator and [10] for QF2=90

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

  Prop CNN CNN in [10]
AvgAcc 0.689 0.547
AvgMSE 0.731 0.882
  1. The DJPEG is non-aligned with probability 63/64, aligned with probability 1/64 (same setting considered for the training of the models)