Table 4. Result of star pattern recognition accuracy with noise and variation of star brightness

Method	Average accuracy for standard condition (%)	Average accuracy for noise with 0.1 standard deviation (%)	Average accuracy for 30% variation of star brightness (%)
Triangular pattern matching	63.6	57.3	61.5
Grid algorithm	89.3	79.4	82.8
CNN application	96.7	91.2	95.1

CNN, Convolutional Neural Network.