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» Home » Graphics JPEG
Images: Versatile and Spacesavers JPEGs are bitmap images and can be edited/created by image-editing software. They're used primarily for photographic images because of their 24-bit color range. You can save a JPEG in either RGB or CMYK color mode at whatever resolution is needed. JPEGs have an image compression option which can prove helpful for transporting them over a network or via transport media like CD-ROMs and Zip disks. Image compression, unlike file compression however, doesn't
come without its sacrifices. JPEG compression is a "lossy" form
of compression which means that, when it is used, a certain amount of
data contained in the image file is discarded. Once it's gone you can't
get it back; it's gone for good. The upside to the compression is that
a designer can decide, when saving the image, how much compression one
would like to use. With a great amount of compression, one gets smaller
file size but will lose quite a bit of data from the image. With small
amounts of compression, one will have a larger sized file but very little
data will be lost from the image. The key, when working with JPEG image
compression, is to find the acceptable balance for a particular image
and its intended uses.
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PEG
(Joint Photographic Experts Group) images, like 
