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    HD Photo Feature Specification 1.0

    HD Photo still image codec Feature specification, including container, metadata, image formats and Windows programming guide
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      595 KB

        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 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.

        HD Photo is used in XML Paper Specification (XPS) to deliver 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.

        Most technologies in the JPEG XR Standard are based on the HD Photo file format. The JPEG XR Standard is also known as the ISO/IEC Standard 29199-2 and as the ITU-T Recommendation T.832.

        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.

        The bitstream specification of the JPEG XR standard can be downloaded from ITU-T at
    • System Requirements
      Supported Operating System

      Windows Server 2003, Windows Vista, Windows XP

        This specification covers the release of HD Photo (Windows Media Photo) included in Windows Vista and also supported on Windows XP or Windows Server 2003 through .NET Framework 3.0 or Windows Imaging Component (WIC).
      • Click on the Download button above to download this document. An application capable of displaying or printing Microsoft Word compatible document files is required to access this specification.