Microsoft HD Photo Feature Specification 1.0

HD Photo is a new file format for continuous-tone still images that surpasses the limitations of existing image formats. HD Photo supports a wide range of features including: • Multiple color formats for display or print• Fixed or floating point high dynamic range image encoding• Lossless or high quality lossy compression • Extremely efficient decoding […]

HD Photo is a new file format for continuous-tone still images that surpasses the limitations of existing image formats. HD Photo supports a wide range of features including:

• Multiple color formats for display or print
• Fixed or floating point high dynamic range image encoding
• Lossless or high quality lossy compression
• Extremely efficient decoding for multiple resolutions and sub-regions
• Minimal overhead for format conversion or transformations during decode

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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HD Photo, Windows Media Photo