Group Normalization

E701502

Group Normalization is a neural network normalization technique that divides channels into groups and normalizes within each group to stabilize training, especially effective for small batch sizes.

All labels observed (2)

Label Occurrences
Group Normalization canonical 2
Group Normalization (2018) paper 1

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Statements (48)

Predicate Object
instanceOf deep learning method
neural network normalization technique
advantage does not require running estimates of statistics
independent of batch dimension
more stable training in memory-constrained settings
performance is less sensitive to batch size
works well with very small batch sizes
advantageOver Batch Normalization
appliesTo convolutional neural networks
feedforward neural networks
sequence models
vision models
citationYear 2018
comparedTo Batch Normalization
Instance Normalization
Layer Normalization
describedIn Group Normalization (2018) paper
linked to: Group Normalization
doesNotDependOn batch dimension statistics
field computer vision
deep learning
goal improve optimization of deep networks
reduce internal covariate shift
hyperparameter group size
implementationDetail groups are formed by splitting channels along the channel dimension
mean and variance are computed over spatial dimensions and group channels
includesParameter learnable scale (gamma)
learnable shift (beta)
introducedBy Kaiming He
Yuxin Wu
keyIdea divides channels into groups and normalizes within each group
motivation reduce dependence on batch size
stabilize training for small batch sizes
normalizationAxis channel groups
normalizes activations within each group
oftenUsedWith ResNet architectures
linked to: ResNet

convolutional layers
object detection models
segmentation models
operatesOn feature channels
publishedAt ECCV 2018
relatedConcept Batch Normalization
Instance Normalization
Layer Normalization
typicalSetting detection and segmentation tasks with large images
small-batch training on GPUs
usesParameter number of groups
usesStatistics per-group mean
per-group variance

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Layer Normalization relatedTo Group Normalization
Instance Normalization differsFrom Group Normalization
Group Normalization describedIn Group Normalization (2018) paper
linked to: Group Normalization