From the course: Digital Imaging for Business Professionals

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JPG, PNG, and other raster formats

JPG, PNG, and other raster formats

- [Narrator] Let's start by taking an exploration of raster graphics. Raster graphics are typically used for photographic content and they use a series of pixels to really express the data contained within. The most common one that you'll encounter is a JPEG. JPEG is an acronym for the joint photographic experts group, and this is the group behind the standard. It's a well-established format. JPEGs use lossy compression for digital images, which means that as the file is compressed, data is discarded to reduce the file size. If you're accessing content from a web, not a stock photography site, but simple image searches, images are often heavily compressed before posting to the internet. As such you might start to see some visual artifacts in the file, and this could be made worse by additional compression applied by your Office software. The JPEG format is very popular with digital photography and is used by many cameras as a capture format and for display on the web. It supports…

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