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Table 2 Comparison among different noise estimator

From: Automatic movie restoration based on wave atom transform and nonparametric model

Video name Actual σ The method in[35] The method in[36] Proposed
   σ ̂ Error rate (%) σ ̂ Error rate (%) σ ̂ Error rate (%)
Demo 1 25.5 23.5576 7.6 23.0676 9.5 29.5166 15.8
Demo 2 25.5 23.3363 8.5 21.1579 17.0 26.7723 5.0
Demo 4 25.5 22.3471 12.4 23.1300 9.3 30.2774 18.7
Demo 5 25.5 23.7797 6.7 16.3132 36.0 28.2639 10.8
Prof. Bullinger 25.5 24.3093 4.7 21.9882 13.8 27.4088 7.5
Outdoor Flower 25.5 23.4828 7.9 21.5795 15.4 26.6728 4.6