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Slow and Steady Feature Analysis: Higher Order Temporal Coherence in Video

CVPR 2016 · Video › Action recognition · approach: Contrastive video representation learning · 153 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use second-order temporal steadiness with first-order slowness instead of first-order SFA aloneSSFA · NORB→NORBaccuracy (%): 39.23±0.94 -> 42.83±0.33Helped
Use second-order temporal steadiness with first-order slowness instead of first-order SFA aloneSSFA · KITTI→SUNaccuracy (%): 1.21±0.14 -> 1.65±0.04Helped
Use second-order temporal steadiness with first-order slowness instead of first-order SFA aloneSSFA · KITTI→SUN top-10accuracy (%): 8.24±0.25 -> 9.19±0.10Helped
Use second-order temporal steadiness with first-order slowness instead of first-order SFA aloneSSFA · HMDB→PASCAL-10accuracy (%): 19.26±0.45 -> 20.95±0.13Helped
Replace HMDB unlabeled video with KITTI video (ablation)SSFA · PASCAL-10 action recognitionaccuracy (%): 20.95% -> 20.01%Hurt
Increase SUN labeled training examples from 6 to 20 per class (ablation)SSFA · KITTI→SUNaccuracy (%): 2.65% -> 3.24%Helped
Increase the amount of HMDB unlabeled video used for training (ablation)SSFA · HMDB→PASCAL-10accuracy (%): 18.06, 19.74, 20.36, and 20.95%Helped
Train SSFA using its unsupervised loss alone rather than jointly with a supervised objective (ablation)SSFA features · PASCAL-10 k-NN classificationaccuracy (%): ≈ 17.8% -> 19.62, 20.32 and 22.14%Helped
Use SSFA unsupervised video pretraining instead of supervised CIFAR-100 pretrainingPASCAL-10 action recognition · PASCAL-10accuracyHelped
Use SSFA unsupervised video pretraining instead of supervised CIFAR-100 pretrainingSUN scene recognition · SUNaccuracyMixed

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