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.
Another common tool used today is photograph resizing. What many people are not as familiar with is re-sampling, but what is the difference? Resizing is a term that refers to changing the pixels. Re-sampling uses an actual algorithm to fix the picture to appear not fuzzy, blurry, or blocked after being adjusted. When you resize a picture enlarging it, some of the pixels will be doubled.
When you resize an image reducing it, some of the pixels will be removed; this why some lines of the photo just vanish. Re-sampling on the other hand, uses algorithms to determine the new size of the pixels. While enlarging, color will be added as a result of interpolation. While reducing an image the actual pixels will be re-calculated. A quality image editor will consist of multiple algorithms for re-sampling and resizing options.
Big question for everyone is how to convert photo files in order to get smaller pictures. This is really helpful if you want to send photo files over the internet. There are two ways to do this: the lossless and the lossy formats. Lossless means that the image stays exactly the same as it was originally. Basically different methods are applied to get a smaller but virtually untouched photo. The most common format that photo software can hand is .png.
Lossy formats will actually lose some information. The advantage to this method is you will be able to chose the size you want it to end up in. The common form it is saved in is a .jpg. This will create small photos that will upload places quite easily. You will have to decide what will work best for you. Do you want a smaller original or do you mind sacrificing some of the photograph in order to make it as small as you want.
Along with the importance of editing photos comes the importance of viewing your images. In order to easily access your photos your photo viewer should be able to be customized, easy to use, have printable contact sheets, photo enhancement tools, convenient for getting the pictures, be able to manage EXIF data and be able to batch process images.
Another good photo viewer is Photophilia which is exceptionally adjustable and able to batch process. Choose a photo viewer that you are comfortable with based on your computer skills. You can opt for a viewer that is quick and simple or go for a more complicated viewer that comes with some more functions. Handy functions to look for are slide show, batch processor, editor functions and zoom factor.
By: David M Peters
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