Editing Digital Photos

By: David Peters

When people take digital images and put them on their computers, the pictures are generally not perfect. This is where enhancements come in, they will make it so your picture looks almost professional. One enhancement that is used often is the sharpness enhancement. The sharpness enhancement is extremely helpful. Basically it improves the quality on a fuzzy picture.

Almost every editor has the sharpness too, sadly most of them aren't the best. The best ones use algorithms internally to help with the enhancement of the photo. This tool is extremely useful for blurry pictures or one with fuzzy lines and borders.

The resizing of a photograph is another commonly used tool today. Re-sampling is similar to resizing but is not as familiar to many. Let's take a look at the difference between the two. Resizing changes the pixels while re-sampling uses an actual algorithm to adjust the picture to appear to not be blurry, fuzzy or blocked. Some of the pixels will be doubled when using resizing to enlarge a picture.

With resizing some of the pixels will be removed when reducing an image resulting in some lines of the photo disappearing. Re-sampling however uses algorithms to determine the new size of the pixels. When re-sampling to a larger size, color will be added as a result of interpolation. When reducing an image through re-sampling, the actual pixels will be re-calculated. A good image editor will have multiple algorithms for resizing and re-sampling options.

Another popular question for people is how to convert photo files to get smaller pictures. This process is beneficial if you want to send photos over the internet. You can do this in two ways known as the lossless and lossy formats. Basically, one of these two methods can be used to create a smaller nearly untouched photo. Lossless means that the image appears the same as it was originally only smaller, but only to a certain degree. The drawback is that the final image may still be too big but it is completely unchanged. The most common form it is saved in is .png.

On the downside the image may still be larger than desired, but the image will be entirely unchanged. Lossy formats however will lose some information. The advantage in this format is that you can pick the size for the end result. Lossy format most common form is .jpg. This will generate small photos that can be uploaded easily. Both formats have their ups and downs. You have to decide if you want a smaller original or can you sacrifice some of the photograph to make it as small as you want.

Viewing images is just as important as editing them. In order to easily access your images your photo viewer should be able to be customized, easily to use, have photo enhancement tools, printable contact sheets, convenient for attaining pictures, be able manage EXIF data and be able to batch process images. Some good ones are Zoner Photo Stuido which is quite user friendly.

Another is Photophilia which is extremely adjustable and able to batch process. Selecting a photo viewer is important, depending on what kind of computer user you are you can select a viewer that is quick and easy or complicated but has some great functions. Some handy functions are: slide show, batch processor, editor functions, and zoom factor.

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