Computer scientists from the University of Utah have developed computer software that allows editing of "extreme resolution" image files in a matter of seconds, a process that could previously have taken hours. Whereas existing editing suites require the full gigapixel image to be loaded into a computer's memory before manipulation can begin, the new development draws a lower resolution preview image from an externally-stored image into the editing screen. Users are said to benefit from being able to make image-wide modifications in seconds rather than hours and on devices normally not nearly powerful enough for such things.
When editing photographs containing billions to hundreds of billions of pixels, existing technologies require full resolution images to be loaded into an application before editing can begin. This, in turn, requires enough memory and processing power on the computer equipment to handle all that data without seizing up. The Visualization Streams for Ultimate Scalability, or ViSUS, software does things a little differently.
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