Mathematical term for the operation on two functions producing a third function. Used in signal processing, image processing, and deep learning.
In image processing, convolution is used to apply filters.
CNNs extract features by stacking convolutional layers.
taking in a sail; reefing a sail
Nautical term for reducing sail area by folding or rolling part of the sail. Less common in everyday language.
Due to strong winds, the captain ordered the sails to be reefed.