Image Processing Toolbox User's Guide

Region-Based Processing

This chapter describes operations that you can perform on a selected region of an image.

Specifying a Region of Interest	Describes how to specify a region of interest using the `roipoly` function
Filtering a Region	Describes how to apply a filter to a region using the `roifilt2` function
Filling a Region	Describes how to fill a region of interest using the `roifill` function

Using Adaptive Filtering Specifying a Region of Interest