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What is: Dilated Convolution?

SourceMulti-Scale Context Aggregation by Dilated Convolutions
Year2000
Data SourceCC BY-SA - https://paperswithcode.com

Dilated Convolutions are a type of convolution that “inflate” the kernel by inserting holes between the kernel elements. An additional parameter ll (dilation rate) indicates how much the kernel is widened. There are usually l1l-1 spaces inserted between kernel elements.

Note that concept has existed in past literature under different names, for instance the algorithme a trous, an algorithm for wavelet decomposition (Holschneider et al., 1987; Shensa, 1992).