ib_connect_points.m File Reference

Connect points with search for a minimum gradients. More...

Functions
function [ mask , status ] =	ib_connect_points (img, options, mask)
	Connect points with search for a minimum gradients. More...

Detailed Description

Connect points with search for a minimum gradients.

Function Documentation

function [ mask , status ] = ib_connect_points	(		img,
			options,
			mask
	)

Connect points with search for a minimum gradients.

This function is called from Membrane Click Tracer tool of im_browser.m. It is based on Accurate Fast Marching function by Dirk-Jan Kroon http://www.mathworks.se/matlabcentral/fileexchange/24531-accurate-fast-marching

Parameters

img	-> original image to probe gradients
options	-> a structure with parameters .p1 - coordinates of the starting point, (y;x) .p2 - coordinates of the target point, (y;x) .scaleFactor - scale factor for amplifiying intensities .segmTrackBlackChk - switch to define whether the signal is black (1) or white (0) .colorId - index of the color channel to follow
mask	[optional] - an existing mask/selection layer

Return values

mask	-> a bitmap image with a connecting line, to be used as the Selection layer
status	-> result of the function run: 0 - fail 1 - success

Required fields of options:

Referenced by ib_segmentation_MembraneClickTraker().

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