How to Identify Channel Registration When You Convert Photos to Digital

Posted by ed oboyle on Fri, May 10, 2013 @ 09:00 AM

How to Identify Channel Registration When You Convert Photos to DigitalThere are many advantages to scanning photos. With a digitized image, you now have a file that you can easily manipulate. This ability allows you to fix problems that otherwise may have lasted a lifetime. But when you convert photos to digital images, you may find that an issue which didn’t exist before is now causing your picture to look odd. Luckily, most problems that occur during the scanning process can be fixed - you just have to know what the problem is. Do you know how to spot channel registration?

What is Channel Registration?

When you look at a photo, you’re really viewing a large color collage that has varying amounts of brightness. Depending on the file type of your image, RGB or CMYK, you will have 3 or 4 channels. Each color is assigned a channel. So, think about it in terms of switching television stations: Click, you’re on the red channel, click again and you’re on the blue channel. Just like television, you want to make sure that the color has the right brightness and proportion and is properly aligned. If your favorite TV show isn’t aligned with the screen, you can’t watch it. The same goes for a picture. If a color channel isn’t properly aligned with pixel locations, you have misregistration.

Pinpointing Incorrect Channel Registration

The subject of your photograph will determine how easy it is to find out if channel registration is off. If you have an image that contains hard images, it will be pretty easy to find out if your channels aren’t aligned. The problem will manifest itself around the hard edges through color fringing, which is when bands of color appear. It normally gets worse the farther you go from the center of a picture.

If your picture has text, you may notice a color border on one side of a letter and a different color border on the other side. While this problem can’t be fixed on the original photograph, it can be eliminated when you convert photos to digital images through scanning software. 

You don’t have to live with photos that aren’t top quality. When you find out how easy it is to convert photos to digital images you’ll wish you had started sooner.

Looking for a professional photo scanning service to convert your photos to digital for you? FotoBridge is the perfect fit! Sign up for our email deals to get the best coupons delivered straight to your inbox >>


Topics: convert photos, Channel Registration

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