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Group Equivariant Stand-Alone Self-Attention For Vision

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arxiv 2010.00977 v2 pith:M53ZPY2O submitted 2020-10-02 cs.CV stat.ML

Group Equivariant Stand-Alone Self-Attention For Vision

classification cs.CV stat.ML
keywords groupself-attentionequivariantgsa-netsnetworkspositionalvisionachieved
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We provide a general self-attention formulation to impose group equivariance to arbitrary symmetry groups. This is achieved by defining positional encodings that are invariant to the action of the group considered. Since the group acts on the positional encoding directly, group equivariant self-attention networks (GSA-Nets) are steerable by nature. Our experiments on vision benchmarks demonstrate consistent improvements of GSA-Nets over non-equivariant self-attention networks.

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Cited by 2 Pith papers

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