Anchor PCA recovers a maximal invariant subspace for multi-domain data via PCA on a modified target matrix that trades off explained variance with domain agreement.
A causal framework for distribution generalization.IEEE Transactions on Pattern Analysis and Machine Intelligence, 44(10):6614–6630, 2022
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Anchor PCA
Anchor PCA recovers a maximal invariant subspace for multi-domain data via PCA on a modified target matrix that trades off explained variance with domain agreement.