PixelCNN

E200565

PixelCNN is a deep generative model that uses convolutional neural networks with autoregressive masking to model and generate images pixel by pixel.

All labels observed (6)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf autoregressive model ⓘ
convolutional neural network architecture ⓘ
deep generative model ⓘ
probabilistic model ⓘ
aimsTo maximize log-likelihood of training images ⓘ
basedOn convolutional filters with masking constraints ⓘ
belongsTo likelihood-based generative models ⓘ
unsupervised learning methods ⓘ
canBeUsedFor conditional image generation ⓘ
image completion ⓘ
inpainting ⓘ
canGenerate novel images from learned distribution ⓘ
comparedTo PixelRNN in terms of speed and performance ⓘ
linked to: PixelRNN
constrains receptive field to respect pixel ordering ⓘ
contrastedWith GANs ⓘ
VAEs ⓘ
designedFor density estimation on images ⓘ
image generation ⓘ
ensures no access to future pixels in convolutions ⓘ
factorizes image distribution into product of conditional pixel distributions ⓘ
hasAdvantage more parallelizable than recurrent autoregressive models ⓘ
hasLimitation computationally expensive for high-resolution images ⓘ
sequential sampling is relatively slow ⓘ
hasProperty autoregressive factorization ⓘ
exact log-likelihood computation ⓘ
parallel convolutional computations with masked filters ⓘ
tractable likelihood ⓘ
influenced WaveNet-style autoregressive convolutions ⓘ
masked autoregressive flows ⓘ
inspired subsequent masked convolution architectures ⓘ
models conditional distribution of each pixel given previous pixels ⓘ
images pixel by pixel ⓘ
joint distribution of image pixels ⓘ
relatedTo Gated PixelCNN ⓘ
linked to: PixelCNN

PixelCNN++ ⓘ
linked to: PixelCNN

PixelRNN ⓘ
autoregressive image models ⓘ
requires fixed pixel ordering (e.g., raster scan) ⓘ
supports conditional variants using extra input channels or conditioning networks ⓘ
trainedBy maximum likelihood estimation ⓘ
trainedWith backpropagation ⓘ
stochastic gradient descent ⓘ
typicallyAppliedTo color images ⓘ
grayscale images ⓘ
natural images ⓘ
uses autoregressive masking ⓘ
causal convolutions over image grid ⓘ
convolutional neural networks ⓘ

How these facts were elicited

Referenced by (12)

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

WaveNet → inspired → PixelCNN ⓘ
PixelCNN → relatedTo → PixelCNN++ ⓘ
linked to: PixelCNN
PixelCNN → relatedTo → Gated PixelCNN ⓘ
linked to: PixelCNN
PixelRNN → relatedTo → PixelCNN ⓘ
PixelRNN → comparedWith → PixelCNN ⓘ
PixelRNN → influenced → PixelCNN++ ⓘ
linked to: PixelCNN
PixelRNN → influenced → Gated PixelCNN ⓘ
linked to: PixelCNN
Aaron van den Oord → developed → PixelCNN variants ⓘ
linked to: PixelCNN
Aaron van den Oord → notableWork → Conditional Image Generation with PixelCNN Decoders ⓘ
linked to: PixelCNN
Row LSTM → relatedTo → PixelCNN ⓘ
Diagonal BiLSTM → relatedTo → PixelCNN ⓘ
VQ-VAE → usedWith → PixelCNN prior ⓘ
linked to: PixelCNN