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Image Forensics : Error Level Analysis

Image Forensics : Error Level Analysis
After two years, this image forensics analysis service has been turned off. A number of factors have contributed to this decision to close. Primarily it has been based on the time and effort required by our volunteers, as well as the on-going costs to maintain the service for public use. It is at this point that we would like to take this opportunity to thank everyone who has been involved with Error Level Analysis, and in particular, we would like to thank Dr Neal Krawetz for his work making digital image forensics accessible to a wider group. Most importantly though, we would like to thank our users. Over the past two years, our users have analysed in excess of a quarter of a million images, with the results being served to over 1.5 million people.

http://www.errorlevelanalysis.com/

Digital Image Resizing One aspect of digital images which seems to cause a lot of confusion to beginners is the matter of image size. There are three basic measures of image size Pixel count - e.g 3000x2000 pixels Physical size - e.g. 4" x 6" Resolution - e.g. 72 pixels per inch (ppi) The confusion seems to arise because people aren't sure of how these are related. They wonder if ppi affects the size of the image you see on a monitor screen. We know that displays are measured in pixels (e.g. a 1024x1280 display), and that screens are a given width (e.g. 15"), it seems logical that the pixels/inch setting should affect the size of the displayed image. The 101 Most Useful Websites Here are the most useful websites on the Internet that will make you smarter, increase productivity and help you learn new skills. These incredibly useful websites solve at least one problem really well. And they all have cool URLs that are easy to memorize thus saving you a trip to Google. Also see: The Best Android Apps Also see: The Best Mac Apps and Utilities seatguru.com – consult this site before choosing a seat for your next flight.webmakerapp.com — an offline playground for building web projects in HTML, CSS and JavaScript.

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