Learning Domain-Independent Deep Representations by Mutual Information Minimization

Table 1

Definitions of symbols.

Symbol	Definition
	i-th data point
	Set of data points of the l-th class
	Set of unlabeled data points
z	Domain transfer representation of a data point
	Parameters of the CNN model of the l-th class
	Intraclass neighborhood of the i-th data point
	Interclass neighborhood of the i-th data point
	Intraclass affinity between the i-th and j-th data points
	Interclass affinity between the i-th and -th data points
	Domain indicator of the i-th data point
	Soft weight of the the j-th data point in the i-th neighborhood