Remote Sensing Image Classification with Few Labeled Data Using Semisupervised Learning

Table 1

Symbol table.

Symbol	Description
	Data augmentation operation.
	Parameter set of backbone network .
	Probability distribution of labeled samples.
	Probability distribution of unlabeled samples.
,	Data distributions of labeled samples and unlabeled samples.
	Number of categories.
	Number of labeled samples in the minibatch.
	Number of unlabeled samples in the minibatch.
	The maximum steps of data augmentation in RandAugment.
	Distortion magnitude of data augmentation in RandAugment.
	Threshold of the confidence mask.
	Softmax thermal parameter in the predicted value sharpening.
	Threshold of the training signal annealing.