Extraction of Affine Invariant Features Using Fractal

Table 1

Classification accuracies of AMIs, MSA, and the proposed method for Chinese characters in case of affine transformation and different intensities of salt and pepper noise.

Noise degree	0	0.005	0.010	0.015	0.020	0.025	0.030
AMIs	91.70%	45.50%	34.82%	28.54%	23.82%	19.89%	17.77%
MSA	94.48%	90.63%	73.57%	53.80%	38.16%	26.86%	19.88%
Our method	98.14%	96.21%	93.48%	89.46%	86.25%	82.07%	77.59%