what is meant by slicing of an image

In many papers, I have come across the word " slicing of an image" . Can you tell what exactly it do. Does it means dividing the input image

Answer 1

[Image Analyst]

This usually means taking a plane out of a 3D volumetric image. For example, in a CT or MRI image, you can take a slice along the X, Y, or Z dimension, or even a plane at some arbitrary orientation. You get a 2D image of the pixel values that would lie on that plane.