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Red eyes have often destroyed what could have been a great picture. Most cameras today include a red-eye reduction feature, but what happens when you forget to switch it on?

Luckily, there are softwares offering red-eye removal. However, manually removing the red eyes via a software is usually a tedious task. While there are many automatic red-eye removal programs, CyberLink has developed its own enhanced technology. Below is an explanation of how auto red-eye removal works.

  
CyberLink's Auto Red-Eye Removal fixes red-eyes in just one click.

1. Face detection
The program searches for all the faces in the image. This unique technology saves users the hassle of having to manually select individual faces. The software then scans all the eyes before narrowing down the red-eyes. Utilizing this intelligent search method, the program can remove all of the red-eyes in a group picture.

2. Red-eye detection
The red-eyes are detected using color, intensity and size information. Further tests on color variation, redness, and redness variation are performed to determine the different degrees of redness surrounding the red-eye area.

Did you know?
Your pupils dilate in a dimly lit surrounding. Hence, red eyes in photos are actually caused by the flash reflecting off the blood vessels in your eyes.Red-eye reduction on cameras use multiple flashes so that your pupils contract before the picture is taken.

3. Red-eye correction
Once the red-eyes have been detected, the final step is to attenuate the redness with a tapered color desaturation. Red pixels are alleviated to achicve natural-looking eyes to complete that perfect picture.

CyberLink has incorporated auto red-eye technology into Medi@Show 3 and PowerCinema 4, which will be released soon. For more information on Medi@Show and PowerCinema, please visit their respective websites.

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