regionFilling

Accepts a seed point which is used to fill regions with similar statistical characteristics in a BW image.

Region Filling Algorithm for Selecting Regions of Localized Pixels

This function accepts an image and seed (mandatory)

Other variables are not needed but can be submitted as name value args

UseDefaults - logical - overrides other NV args if true

InitialTolerance - numeric - vector of length 2

ToleranceFactor - numeric - scalar

MaxIterations - uint - scalar

MinError - numeric - scalar

MaxPixels - numeric/int - must be smaller than nnz(image)

FillHoles - logical - fills holes in mask at end

OUTPUTS

mask - logical - size of image

indices - table - X, Y indices that correspond to mask trues

options - struct - Name-Value arguments specified or defaults

DIRECTIONS FOR USE

There are 3 mandatory inputs. The first is an image on which you would

like to place a mask.

The second is an error map which is an array equal

in size to the image, but contains an error quantity like R^2. This was

intended for use with quantitative secondary maps derived from

mathematical functions operating on raw images. If your image does not

have an associated error map, then you may submit an array of zeros equal

in size to the image or the algorithm will create that for you if the

second input does not meet the attribute validation criteria below.

The third input is a 2 element vector corresponding to two indices (x and

y) on the image. This is the seed point which is used to develop a mask.

All other inputs are optional.

Once you run this function it sends back a mask the same size as the

image with the seed point and surrounding points that meet the criteria

specified labeled as 1.

NOTES

It is recommended that you start by showing the image, drawing a seed

point with drawpoint and using the 'Position' field of the point ROI as

the seed point in the inputs.