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Learning to Learn Variational Semantic Memory

NeurIPS 2020 · Probabilistic and scientific modeling › Variational and generative sampling · approach: Amortized and online variational inference · 18 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
model prototypes as distributions via variational inference instead of averaged vectorsProtoNet · miniImageNet 5-way 1-shotaccuracy (%): 47.40 -> 52.11Helped
add variational semantic memory (ablation)Variational prototype network · miniImageNet 5-way 1-shotaccuracy (%): 52.11 -> 54.73Helped
add variational semantic memory (ablation)Variational prototype network · CIFAR-FS 5-way 1-shotaccuracy (%): 61.35 -> 63.42Helped
use variational latent memory recall instead of rote memory (ablation)VSM · miniImageNet 5-way 1-shotaccuracy (%): 53.15 -> 54.73Helped
use variational inference recall instead of deterministic transformed memory (ablation)VSM · miniImageNet 5-way 1-shotaccuracy (%): 53.85 -> 54.73Helped
use attention-based memory update instead of mean-based (ablation)VSM · miniImageNet 5-way 1-shotaccuracy (%): 53.97 -> 54.73Helped
use attention-based memory update instead of mean-based (ablation)VSM · CIFAR-FS 5-way 5-shotaccuracy (%): 76.79 -> 77.93Helped
replace softmax addressing with Gumbel-softmax (ablation)VSM · miniImageNet 5-way 1-shotaccuracy (%): 54.73 -> 53.27Mixed
vary memory update retention alpha (best at 0.7 to 0.8) (ablation)VSM · miniImageNet 5-way 1-shotaccuracy (%): 51.28 -> 54.73Helped
increase memory size (ablation)VSM · miniImageNet 5-way 1-shotaccuracy (%)Helped
use VSM with ResNet-12 backbone vs prior bestTian et al. · miniImageNet 5-way 1-shotaccuracy (%): 64.82 -> 65.72Helped
use VSM vs MANN memoryMANN · miniImageNet 5-way 1-shotaccuracy (%): 41.38 -> 54.73Helped

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