Last revised by Dr Henry Knipe on 19 Nov 2019

Convolution is a mathematical concept that implies the sum of two functions. In practical terms for radiology, convolution implies the application of a mathematical operation to a signal such that a different signal is produced. Convolutions are applied in image processing for CTs and MRIs. Convolutions are used on the matrices of images in convolutional neural networks often facilitating edge detection in objects.

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