Follow Techotopia on Twitter

On-line Guides
All Guides
eBook Store
iOS / Android
Linux for Beginners
Office Productivity
Linux Installation
Linux Security
Linux Utilities
Linux Virtualization
Linux Kernel
System/Network Admin
Programming
Scripting Languages
Development Tools
Web Development
GUI Toolkits/Desktop
Databases
Mail Systems
openSolaris
Eclipse Documentation
Techotopia.com
Virtuatopia.com

How To Guides
Virtualization
General System Admin
Linux Security
Linux Filesystems
Web Servers
Graphics & Desktop
PC Hardware
Windows
Problem Solutions

  




 

 

3.5.  Red Eye Removal

3.5.1.  Overview

Figure 16.25.  Example for the “Red Eye Removal” filter

Example for the Red Eye Removal filter

Original image

Example for the Red Eye Removal filter

Red Eye Removal” applied


The aim of this filter is - guess what - to remove red eyes from an image. Before applying the “Red Eye Removal” you must do a selection (lasso or elliptical) of the boundary of the iris of the eye(s) having a red pupil. After only you can apply the filter on this selection. If you don't make this selection, the filter inform you that : “Manually selecting the eyes may improve the results”.

3.5.2.  Activate the filter

This filter is found in the image window menu under FiltersEnhanceRed Eye Removal.

3.5.3.  Options

Figure 16.26.  Red Eye Removal” options

Red Eye Removal options

Preview

If you check “Preview” case you can see the modifications in real-time in the preview window. And you can choose the good value of threshold compared with what you see, and then validate it.

Threshold

If you move the cursor of threshold the amount of red color to eliminate will vary.


 
 
  Published under the terms of the GNU General Public License Design by Interspire