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Microsoft HD Photo Feature Specification 1.0

Posted by Steven Bink November 17, 2006 12:50 PM with no comments

Filed under: Windows Media

(also known as Windows Media Photo)
HD Photo still image codec Feature specification, including container, metadata, image formats and Windows programming guide

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.

This is the released 1.0 version of the feature specification. It includes a detailed description of the container format, the metadata structure and values, the full range of supported pixel formats, the unique features and capabilities of the file format, and a guide to the Windows Imaging Components (WIC) interfaces and parameters.

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