HD Photo: Difference between revisions
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There are also CMYK, CMYKA, BGR555, BGR565, BGRA, ... | There are also CMYK, CMYKA, BGR555, BGR565, BGRA, ... | ||
[[Category:Image Formats]] |
Revision as of 23:54, 30 August 2007
HD Photo
is a format developed by Microsoft. It is known under the following names
- 'Windows Media Photo'
- 'HD Photo (High Dynamic range Photo)'
- 'JPEG XR (JPEG eXtended Range)'.
Windows Media Photo supports the following pixel formats: (from http://blogs.msdn.com/billcrow/archive/2006/06/22/642213.aspx)
- 16bpp (16bits per channel x 1 channel) Grayscale Fixed Point.
- 16bpp (16bits per channel x 1 channel) Grayscale Floating Point.
- 48bpp (16bits per channel x 3 channels ) RGB Fixed Point.
- 48bpp (16bits per channel x 3 channels ) RGB Floating Point.
- 64bpp (16bits per channel x 4 channels ) RGBA Fixed Point.
- 64bpp (16bits per channel x 4 channels ) RGBA Floating Point.
- 32bpp (32bits per channel x 1 channel) Grayscale Fixed Point.
- 32bpp (32bits per channel x 1 channel) Grayscale Floating Point.
- 96bpp (32bits per channel x 3 channels ) RGB Fixed Point.
- 96bpp (32bits per channel x 3 channels ) RGB Floating Point.
- 128bpp (32bits per channel x 4 channels) RGBA Fixed Point.
- 128bpp (32bits per channel x 4 channels) RGBA Floating Point.
- 128bpp (32bits per channel x 4 channels) PRGBA Floating Point with Pre-multiplied alpha channel?
- 32bpp (8bits per channel + 8bits exponent) R'G'B'E. R = R' x 10^E, G = G' x 10^E, B = B' x10^E.
There are also CMYK, CMYKA, BGR555, BGR565, BGRA, ...