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The Principles of the Convolution

Learn the fundamental principles behind convolution in convolutional neural networks. Understand how convolutional layers preserve spatial structures by sliding kernels over images to extract features. This lesson helps you grasp key concepts such as local receptive fields, feature maps, and how convolutions capture spatial correlations, preparing you to implement convolution operations from scratch.

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Why convolution?

The fully connected layer that we saw doesn’t respect the spatial structure of the input. If, for example, the input is an image, the NN will destruct the 2D structure into a 1-dimensional vector. To address the issue, ...