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Inception module

As explained in Machine Learning Algorithms in Depth

An inception module is a neural-network block that applies convolutions with multiple kernel sizes to obtain features at different receptive-field scales.

An inception module is a convolutional neural-network block that applies different kernel sizes to create variable receptive fields. The resulting feature-map stack can capture sparse correlation patterns at multiple scales. section 11.5

Its role in convolutional architecture follows three linked ideas:

  • Different kernel sizes expose features at different receptive-field scales. section 11.5
  • The resulting feature-map stack captures sparse correlation patterns. section 11.5
  • GoogLeNet uses inception modules to achieve high ImageNet accuracy with fewer parameters than AlexNet or VGG. section 11.5

GoogLeNet in the CNN progression

Inception modules mark a progression from the convolution, ReLU, and max-pooling operations of LeNet toward GoogLeNet’s multi-scale convolutional design; later architectures introduce residual connections or image-patch transformers. section 11.5

How Machine Learning Algorithms in Depth covers it

How deep it goes
Defines variable receptive fields and their motivation, but stops short of deriving or implementing the module.
Examples
Uses LeNet, GoogLeNet, AlexNet, VGG, ResNet, and ViT as milestones in computer-vision architecture.
What it assumes
Builds on convolution, ReLU, and max-pooling operations as established CNN components.
What you can do after
Evaluate/understand how kernel-size variation changes receptive fields and supports parameter-efficient CNN design.
How it connects
Connects convolutional neural networks, receptive fields, sparse correlation patterns, GoogLeNet, AlexNet, VGG, ResNet, and vision transformers.

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This explainer was generated by Manning's knowledge graph from the text of Machine Learning Algorithms in Depth. The section links point to the parts of the book it draws on.