Америка
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Preserving All The Content Today’s unsigned integer formats discard
Preserving All The Content Today’s unsigned integer formats discard
Unprocessed Source Data
Unprocessed Source Data
Unprocessed Source Data
Unprocessed Source Data
Unprocessed Source Data
Unprocessed Source Data
Unprocessed Source Data
Unprocessed Source Data
Processed Source Image
Processed Source Image
Unsigned Integer RGB Image
Unsigned Integer RGB Image
Unsigned Integer RGB Image
Unsigned Integer RGB Image
Unsigned Integer RGB Image
Unsigned Integer RGB Image
Unsigned Integer RGB Image
Unsigned Integer RGB Image
Unsigned Integer RGB Image
Unsigned Integer RGB Image
Fixed Point Or Float RGB Image
Fixed Point Or Float RGB Image
Fixed Point Or Float RGB Image
Fixed Point Or Float RGB Image
Fixed Point Or Float RGB Image
Fixed Point Or Float RGB Image
Fixed Point Or Float RGB Image
Fixed Point Or Float RGB Image
Fixed Point Or Float RGB Image
Fixed Point Or Float RGB Image
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Exposure Adjustment
Compression Versus Quality
Compression Versus Quality
Compression Versus Quality
Compression Versus Quality
Windows Media Photo
Windows Media Photo
© 2006 Microsoft Corporation
© 2006 Microsoft Corporation
Windows Media Photo A new format for end-to-end digital imaging
Windows Media Photo A new format for end-to-end digital imaging
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Windows Media Photo A new format for end-to-end digital imaging

содержание презентации «Windows Media Photo A new format for end-to-end digital imaging.ppt»
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1Windows Media Photo A new format for 18Profile for legacy unsigned integer pixel
end-to-end digital imaging. Bill Crow formats “Default” color context when no
Principal Program Manager Digital Media ICC profile is present Unsigned integer
Division Microsoft Corporation. RGB: sRGB Unsigned integer CMYK: SWOP
2Overview. Enabling technology to Signed/float RGB: scRGB (linear,
significantly improve end-to-end digital unprofiled) Gray: Luminance-only component
imaging. Superior Image Quality Better of equivalent RGB context.
Performance New Opportunities. 19Windows Imaging Component (WIC). New
3Overview. Support for the Widest Range imaging infrastructure for Windows Windows
of Pixel Formats 8, 16 or 32 bits per Vista, Windows Presentation Foundation and
channel, multiple packed bit formats WIC-only redistributable Extensible pixel
Unsigned integer, fixed point, floating formats and codecs Provides an HDR image
point RGB, CMYK, Grayscale, n-Channel; processing pipeline Windows Media Photo
planar or interleaved alpha High fully supports WIC API’s. WMPhoto Class.
Performance, Low Footprint Algorithm WIC Interface. CWMPCodecInfo.
Optimized for device implementation Small IWICBitmapEncoderInfo
buffer requirements, no complex math IWICBitmapDecoderInfo. CWMPEncoder.
Advanced Decoding and Transformation IWICBitmapEncoder. CWMPDecoder.
Operations Mipmaps (variable frequency IWICBitmapDecoder. CWMPDecoderFrame.
decode), region decode Compressed domain IWICBitmapFrameDecoder
crop, rotate/flip and resolution reduction IWICBitmapSourceTransform
2x Compression Improvement Over Today’s IWICMetadataBlockReader. CWMPEncoderFrame.
Standard The same image quality in a file IWICBitmapFrameEncode
that is ? the size of JPEG Smaller files IWICBitmapMetadataBlockWriter
encode/decode/transfer faster, with less IPropertyBag2.
power Lossless plus lossy compression with 20WIC Encoder Parameters. Canonical
the same algorithm. Parameters. Windows Media Photo Specific
4Preserving All The Content Today’s Parameters. Property Name. VARTYPE. Value.
unsigned integer formats discard useful ImageQuality. VT_R4. 0.0 - 1.0. Lossless.
information. 12+ bpc linear RGB. 8+ bpc VT_BOOL. True/False. BitmapTransform.
non- Linear RGB. 16+ bpc linear HDR scRGB. VT_UI1. WICBitmapTransformOptions.
Intermediate Storage, Editing and Property Name. VARTYPE. Value. Quality.
Management. 8bpc non-linear RGB. VT_UI1. 1 – 255 (Default: 1 - lossless).
Intermediate Storage, Editing and Overlap. VT_UI1. 0 – 2 (Default: 1).
Management. 12-16+ bpc linear RGB. 8+ bpc Subsampling. VT_UI1. 0 – 3 (Default: 3 –
non- Linear CMYK. Camera Source Devices. 4:4:4). HorizontalTileSlices. VT_UI2. 0 –
Display Destination Devices. Scanner 4095 (Default: 0). VerticalTileSlices.
Source Devices. Printer Destination VT_UI2. 0 – 4095 (Default: 0).
Devices. FrequencyOrder. VT_Bool. True/False
5Unprocessed Source Data. (Default: True). InterleavedAlpha.
6Processed Source Image. VT_Bool. True/False (Default: False).
7Unsigned Integer RGB Image. AlphaQuality. VT_UI1. 1 – 255 (Default: 1
8Unsigned Integer RGB Image. - lossless). CompressedDomainTranscode.
9Fixed Point Or Float RGB Image. VT_Bool. True/False (Default: True).
10Fixed Point Or Float RGB Image. ImageDataDiscard. VT_UI1. 0-3 (Default:
11Exposure Adjustment. sRGB Original 0). AlphaDataDiscard. VT_UI1. 0-4
16bpc unsigned integer. sRGB Adjusted -1.5 (Default: 0).
stops 16bpc unsigned integer. scRGB 21WIC Advanced Decoding. Supports
Original 16bpc fixed point. scRGB Adjusted IWICBitmapSourceTransform for high
-1.5 stops 16bpc fixed point. performance decoding options Arbitrary
12Compression Versus Quality. WMPhoto rectangular regions 2x mipmaps for nearest
JPEG-2K JPEG. size decoding Native decode at 1x, 4x, 16x
13Windows Media Photo. Bill Crow Interpolated decode at 2x, 8x, >16x
Principal Program Manager Digital Media Natively supports all rotate/flip
Division. transforms Pixel format conversion during
14Benefits. An efficient, standardized decode under consideration for future
photo interchange format that preserves support.
the entire dynamic range Significantly 22Compressed Domain Operations.
improved ability to correct poor images Specifying a WMPhoto decoder as the source
Images look better with more shadow and for a WMPhoto encoder invokes compressed
highlight detail Exposure and color domain operations, when possible
corrections don’t discard dynamic range Rotate/flip transformation Crop Resolution
Supports end-to-end acquisition, editing, reduction Spatial versus frequency
rendering, printing Better photos that are reorganization Significant benefits by
? the size of JPEG Faster transfer, less avoiding lossy compressed decode and
device power consumption Significant re-encode No additional image quality loss
reduction in storage space requirements Dramatically faster operations.
25x compression or more is reasonable for 23Additional Resources. Device Porting
typical photos Allows higher resolution Kit RTM 1.0 is available now
images for email and web. http://www.microsoft.com/windows/windowsme
15Color And Compression. Flexible color ia/wmphoto Bit stream spec is final
space support 8 or 16 bpc unsigned integer Includes reference ANSI-C source code
16 or 32 bpc fixed point, floating point Support for both little-endian and
RGB, CMYK, Grayscale, n-channel 5-5-5, big-endian architectures Windows Imaging
5-6-5, 10-10-10 packed-bit RGB 1bpc Component (WIC) codec available now
black/white, mask 4:4:4, 4:2:2, 4:2:0 Functionally complete in Windows Vista
color sampling Interleaved or planar alpha Beta 2 Same codec is also distributed via
channel High performance compression WinFX and WIC redists WIC Info:
technology Lossy and lossless compression http://windowssdk.msdn.com/library/en-us/w
with a single algorithm No complex math; c/wiclh/wiclh.asp Power Toys (viewer,
can be implemented with low gate counts converter) coming for Windows XP Related
Minimal memory requirements, no full frame Sessions Windows Color System / High
buffer required Symmetric algorithm, equal Dynamic Range Imaging Developing XPSDrv
complexity for encode and decode. Printer Drivers Using XPSDrv Printer
16Advanced Operations. Structured Drivers Technical questions: wmphoto @
compressed domain organization Progressive microsoft.com.
decode – fast previews and thumbnails 24Call To Action. Use WinFX or WIC for
Region decode Compressed domain transforms Windows imaging applications, including
Cardinal rotation, flip Down-sample Crop drivers Support high dynamic range
Spatial versus frequency data workflows Add support for Windows Media
re-organization Two optional levels of Photo anywhere your device or application
overlap encoding Bit stream and decoder reads or writes image files Enhance the
support for custom dynamic Q Per channel features and performance of your device or
Per macro-block Very large image application with compressed domain
dimensions 216 x 216 macro-blocks per operations Implement XPS with Windows
tile, 28 x 28 tiles, 268m2 pixels. Media Photo support for printers, drivers
17Container And Metadata. TIFF-like IFD and applications.
structure Provides maximum compatibility 25© 2006 Microsoft Corporation. All
with existing code Multiple images rights reserved. Microsoft, Windows,
supported via linked IFD tables 32-bit Windows Vista and other product names are
internal byte pointers, 4Gb max file size or may be registered trademarks and/or
To be addressed in future version Flexible trademarks in the U.S. and/or other
Metadata WMPhoto-defined IFD tags for countries. The information herein is for
image format and structure Pixel Format informational purposes only and represents
GUID Width, Height, Resolution the current view of Microsoft Corporation
Transformation Image and Alpha data as of the date of this presentation.
pointers, size Industry-compatible IFD Because Microsoft must respond to changing
tags for descriptive info XMP metadata ICC market conditions, it should not be
profile TIFF-compatible descriptive tags interpreted to be a commitment on the part
EXIF metadata. of Microsoft, and Microsoft cannot
18Describing The Bitmap. Multiple guarantee the accuracy of any information
current solutions TIFF uses basic provided after the date of this
colorimetric info based on predefined presentation. MICROSOFT MAKES NO
photometric interpretations TIFF/EP uses WARRANTIES, EXPRESS, IMPLIED OR STATUTORY,
ICC Profile JPEG carries basic RGB AS TO THE INFORMATION IN THIS
colorimetric info WMPhoto: PixelFormat PRESENTATION.
GUID and ICC Profile PixelFormat GUID is 26
unambiguous, compact and extensible ICC
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