HD Photo is a new file format for continuous-tone still images that surpasses the limitations of existing image formats. HD Photo delivers a lightweight, high performance algorithm with a small memory footprint that enables practical, in-device encoding and decoding. It delivers compression quality comparable with JPEG-2000 and more than twice the quality of JPEG.
HD Photo is the new name for Windows Media Photo. Both names refer to the exact same file format. The Windows Media Photo name is still used to describe the implementation of HD Photo in Microsoft Windows products.
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