ReLU

E134578

ReLU (Rectified Linear Unit) is a widely used activation function in neural networks that outputs zero for negative inputs and the input value itself for positive inputs, enabling efficient and stable training of deep models.

All labels observed (4)

Label Occurrences
Rectified Linear Unit 2
Leaky ReLU 1
Parametric ReLU 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf activation function
nonlinear function
abbreviationOf Rectified Linear Unit
linked to: ReLU
advantageOver sigmoid activation
tanh activation
boundedAbove false
boundedBelow true
derivativeAtZero undefined or set-valued
derivativeForNegativeInput 0
derivativeForPositiveInput 1
differentiableAlmostEverywhere true
disadvantage dying ReLU problem
field artificial neural networks
deep learning
machine learning
fullName Rectified Linear Unit
linked to: ReLU
graphShape horizontal line at 0 for x < 0 and line y = x for x ≥ 0
historicalNote popularized in deep learning around 2010s
implementation element-wise operation on tensors
inputDomain real numbers
mathematicalDefinition f(x) = max(0, x)
monotonic true
nonDifferentiableAt 0
optimizationBenefit faster training convergence
simpler gradient computation
outputForNegativeInput 0
outputForPositiveInput x
outputForZeroInput 0
outputRange nonnegative real numbers
property computationally efficient
helps mitigate vanishing gradient problem
non-saturating for positive inputs
piecewise linear
sparse activation
relatedFunction ELU
GELU
Leaky ReLU
linked to: ReLU

Parametric ReLU
linked to: ReLU

Randomized ReLU
typicalUse computer vision models
hidden layers of deep networks
natural language processing models
speech recognition models
usedIn convolutional neural networks
deep neural networks
feedforward neural networks
multilayer perceptrons
zeroCentered false

How these facts were elicited

Referenced by (5)

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

ReLU fullName Rectified Linear Unit
linked to: ReLU
ReLU abbreviationOf Rectified Linear Unit
linked to: ReLU
ReLU relatedFunction Leaky ReLU
linked to: ReLU
ReLU relatedFunction Parametric ReLU
linked to: ReLU