Table 2 Comparative experiment of different edge detection operators in cloud pattern classification.

From: Traditional cloud pattern classification algorithm based on semi-supervision with Random Line Augment

Edge detection method

Lr

Accuracy

Roberts operator

0.0003

97.41%

Laplacian operator

0.003

96.55%

LOG operator

0.0003

96.55%

Prewitt operator

0.0003

96.55%

Sobel operator

0.003

95.69%

Canny operator

0.003

93.97%

Scharr operator

0.003

92.24%

DOG operator

0.0003

92.24%

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