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Algorithm
1.
Noise-Label Transfer Learning (NLTL)
We show a simple sketch illustration for the relationship between training in-
stances in Fig. 2, where the red and blue areas denote the instances in high-quality and
low-quality domains respectively. The dark areas represent instances belonging to
both domains. However, the features that represent these instances might have differ-
ent granularity, and the labels in low-quality domain might be incorrect. Each
instance can belong to one of the four groups (as shown in Fig. 2), high-quality do-
main with low-quality mapping, high-quality domain without low-quality mapping,
low-quality domain with high-quality mapping, and low-quality domain without high-
quality mapping. Finally, the task to be solved is defined as given
D
H
and
D
L
, learn an accurate classifier to predict
D
H
.
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