Learning how to edit digital photography can be easy
Author: DavidPeters Total views: 10 Word Count: 799
Image editors (also known as photo editors) allow you to create and modify graphics and photographic images. This includes tasks such as painting and drawing, color correction, photo enhancement, creating special effects, converting images, and adding text to graphics. Your image editor will probably be your most frequently used tool for working with graphics so it should be flexible and intuitive. Many software programs are available for enhancing and otherwise working with bitmap images, but unless they can perform all of the tasks above sufficiently, they should only be considered as companion tools to your primary photo editing application.
The display resolution of a digital television or computer display typically refers to the number of distinct pixels in each dimension that can be displayed. Some commentators also use this term to indicate a range of input formats that the display's input electronics will accept and often include formats greater than the screen's native grid size even though they have to be down-scaled to match the screen's parameters. An example of pixel shape affecting "resolution" or perceived sharpness is displaying more information in a smaller area using a higher resolution, which makes the image much clearer. However, newer LCD displays and such are fixed at a certain resolution; making the resolution lower on these kinds of screens will greatly decrease sharpness, as an interpolation process is used to "fix" the non-native resolution input into the displays native resolution output.
There are many different photo-editing programs out there. Many people believe that the level of difficulty of the program indicates its quality. However, many programs are quite simple to use and are of high quality. Several programs will make adjustments for you based on one entered specification, whereas others require you to perform several steps yourself to get the desired effect. Depending on what you're most comfortable with, whether it's pressing a button and having the rest done for you, or doing it all yourself, not every program will be for you. Choose according to your level of experience and your needs in the program.
With a photo-editing program, you can "fix" or change images acquired from a scanner, digital camera, or the Internet and print them, import them into another document, post them on a Web page and use them for desktop backgrounds. To make the choice that's right for you, check reviews in computer magazines and on the Internet to narrow your choices; look for a program that can directly import images from a scanner or digital camera; make sure the program can crop, resize, flip and rotate images; compare color adjustment capabilities of programs. You should be able to adjust contrast, brightness, sharpness, hues and color-saturation levels; change a color; and convert color to black-and-white or grayscale; and compare the ease of using the various programs available.
Pictures are measured in size by how many pixels they contain. When you've taken a picture that is simply too large, you can resize the image by changing the number of pixels it contains. To make an image smaller you must reduce the pixels, and vice versa. Sometimes pictures look better smaller than the original size. Rarely do pictures look better larger, because resizing an image to make it bigger usually makes it blurry. To see what the best size for an image is, you will have to experiment until you find one that you believe looks best.
Often times images are posted on the web and resized with HTML code. This leads to an image full of jagged edges. By resizing your image in an image editing program, such as Adobe Photoshop, you can utilize smoothing algorithms that will make an image look much smoother. Additionally, resizing the image will reduce the file size, allowing a web page to load faster than usual. When you resize an image, you are resampling an image. In other words, your program is taking all of the image data and redrawing the pixels so that the image is the desired size. However, when you ask the application to increase the size of the image, the size of each pixel is increased, which inevitably leads to degradation of the image. When you resize an image, you can also change image resolution, to keep the quality of your image.
At times the subject of a picture is lost in the surrounding parts of a picture. If this happens, you can always crop your picture. This means cutting down the picture to a certain size. There are many ways to do this in terms of the size of cropping. In just about every photo editing program there is a cropping tool, and you can experiment with the size of the area that you take out of your photograph. If you don't like what you've done, all you have to do is click "undo.
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