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- RGBE_image_format abstract "RGBE is an image format invented by Gregory Ward Larson. It stores pixels as one byte each for RGB (red, green, and blue) values with a one byte shared exponent. Thus it stores four bytes per pixel.RGBE's biggest advantage is that it allows pixels to have the extended range and precision of floating point values. Often when images are generated from light simulations, the range of pixels values is much greater than will nicely fit into the standard 0..255 range of standard 24-bit image formats. As a result, the bright pixels are either clipped to 255 or end up losing all their precision in dimmer pixels. By using a shared exponent, the RGBE format gains some of the advantages of floating point values without the 12 bytes per pixel needed for single precision IEEE floating-point values, or 6 bytes in half precision (and which would cover smaller range). It can handle very bright pixels without loss of precision for darker ones.A second variant of the format uses the XYZ color model with a shared exponent. The mime type and file extension is identical, thus applications reading this file format need to interpret the embedded information on the color model.Greg Ward provides code to handle RGBE files in his Radiance rendering system.".
- RGBE_image_format wikiPageExternalLink filefmts.pdf.
- RGBE_image_format wikiPageID "8982611".
- RGBE_image_format wikiPageLength "2101".
- RGBE_image_format wikiPageOutDegree "13".
- RGBE_image_format wikiPageRevisionID "680396657".
- RGBE_image_format wikiPageWikiLink CIE_1931_color_space.
- RGBE_image_format wikiPageWikiLink Category:Graphics_file_formats.
- RGBE_image_format wikiPageWikiLink Category:High_dynamic_range_file_formats.
- RGBE_image_format wikiPageWikiLink Floating_point.
- RGBE_image_format wikiPageWikiLink Half-precision_floating-point_format.
- RGBE_image_format wikiPageWikiLink High-dynamic-range_imaging.
- RGBE_image_format wikiPageWikiLink IEEE_754-1985.
- RGBE_image_format wikiPageWikiLink Image_file_formats.
- RGBE_image_format wikiPageWikiLink Lossless_compression.
- RGBE_image_format wikiPageWikiLink RGB_color_model.
- RGBE_image_format wikiPageWikiLink Radiance_(software).
- RGBE_image_format wikiPageWikiLink Single-precision_floating-point_format.
- RGBE_image_format wikiPageWikiLinkText "RGBE image format".
- RGBE_image_format wikiPageWikiLinkText "RGBE".
- RGBE_image_format extension ".hdr".
- RGBE_image_format genre Image_file_formats.
- RGBE_image_format genre Lossless_compression.
- RGBE_image_format magic "233".
- RGBE_image_format mime "image/vnd.radiance".
- RGBE_image_format name "Radiance RGBE".
- RGBE_image_format url filefmts.pdf.
- RGBE_image_format wikiPageUsesTemplate Template:Distinguish.
- RGBE_image_format wikiPageUsesTemplate Template:Graphics_file_formats.
- RGBE_image_format wikiPageUsesTemplate Template:Infobox_file_format.
- RGBE_image_format subject Category:Graphics_file_formats.
- RGBE_image_format subject Category:High_dynamic_range_file_formats.
- RGBE_image_format hypernym Format.
- RGBE_image_format type Software.
- RGBE_image_format type Thing.
- RGBE_image_format comment "RGBE is an image format invented by Gregory Ward Larson. It stores pixels as one byte each for RGB (red, green, and blue) values with a one byte shared exponent. Thus it stores four bytes per pixel.RGBE's biggest advantage is that it allows pixels to have the extended range and precision of floating point values. Often when images are generated from light simulations, the range of pixels values is much greater than will nicely fit into the standard 0..255 range of standard 24-bit image formats.".
- RGBE_image_format label "RGBE image format".
- RGBE_image_format differentFrom RGBE_filter.
- RGBE_image_format sameAs Q3928271.
- RGBE_image_format sameAs RGBE.
- RGBE_image_format sameAs m.027s5vf.
- RGBE_image_format sameAs Q3928271.
- RGBE_image_format wasDerivedFrom RGBE_image_format?oldid=680396657.
- RGBE_image_format isPrimaryTopicOf RGBE_image_format.