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Learning the Predictability of the Future

CVPR 2021 · Video › Action recognition · approach: Action anticipation and latent actions · 62 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use hyperbolic rather than Euclidean representations at 256 dimensionsEarly action prediction · FineGymaccuracy (%): 68.16 -> 82.54Helped
Use hyperbolic rather than Euclidean representations at 256 dimensionsEarly action prediction · Hollywood2accuracy: 21.77 -> 23.10Helped
Use hyperbolic rather than Euclidean representations at 256 dimensionsEarly action prediction · Hollywood2top-down hierarchical accuracy: 33.00 -> 33.99Helped
Use hyperbolic rather than Euclidean representations at 256 dimensionsEarly action prediction · Hollywood2bottom-up hierarchical accuracy: 27.38 -> 28.55Helped
Use hyperbolic rather than Euclidean representations at 256 dimensionsFuture action prediction · FineGymaccuracy: 10.08 -> 13.37Helped
Use hyperbolic rather than Euclidean representations at 256 dimensionsFuture action prediction · FineGymtop-down hierarchical accuracy: 52.00 -> 66.64Helped
Use hyperbolic rather than Euclidean representations at 256 dimensionsFuture action prediction · FineGymbottom-up hierarchical accuracy: 24.75 -> 33.04Helped
Reduce representation size from 256 to 64 dimensions (ablation)Hyperbolic early action prediction · FineGymaccuracy (%): 82.54 -> 73.35Hurt
Reduce representation size from 256 to 64 dimensions (ablation)Hyperbolic early action prediction · Hollywood2accuracy: 23.10 -> 22.25Hurt
Reduce representation size from 256 to 64 dimensions (ablation)Hyperbolic future action prediction · FineGymtop-down hierarchical accuracy: 66.64 -> 56.67Hurt
Reduce representation size from 256 to 64 dimensions (ablation)Hyperbolic future action prediction · FineGymaccuracy: 13.37 -> 10.29Hurt
Reduce representation size from 256 to 64 dimensions (ablation)Hyperbolic early action prediction · Hollywood2bottom-up hierarchical accuracy: 28.55 -> 26.86Hurt

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