👉 In image processing and computer vision, "smudder" refers to a specific type of activation function used in convolutional neural networks (CNNs). Smudges are a common feature in CNNs where they represent a spatial shift or stretch. The term is often associated with the operation of taking the derivative of an output layer's weights.
In detail:
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Convolution
: A convolution is a mathematical operation that takes input data and produces an output, which is similar to how humans process visual