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#1
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How do RAW image viewing dlls work?
I read the other day that the individual pixels in a RAW image only
contain information for 1 color each. When an image is converted (either in camera or on the PC) information from nearby pixels is used to interpolate for the other colors. I know that my viewing/editing application uses the manufacturer supplied .dll for decoding the image - question is does it convert it before displaying it on the screen. In other words, in order to display RAW images, is there some form of conversion taking place before the result is displayed on the screen? And if yes, then do they use some "default" settings for this conversion? Thanks, Prashant. |
#2
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How do RAW image viewing dlls work?
Prashant writes
I know that my viewing/editing application uses the manufacturer supplied .dll for decoding the image - question is does it convert it before displaying it on the screen. In other words, in order to display RAW images, is there some form of conversion taking place before the result is displayed on the screen? Usually a small thumbnail sized jpeg is embedded in the RAW and used to display the image on the camera LCD. |
#3
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How do RAW image viewing dlls work?
PrashantP wrote:
I read the other day that the individual pixels in a RAW image only contain information for 1 color each. When an image is converted (either in camera or on the PC) information from nearby pixels is used to interpolate for the other colors. Correct. I know that my viewing/editing application uses the manufacturer supplied .dll for decoding the image - question is does it convert it before displaying it on the screen. In other words, in order to display RAW images, is there some form of conversion taking place before the result is displayed on the screen? Mostr certainly. And if yes, then do they use some "default" settings for this conversion? Either the camera will provide default settings or the RAW conversion will provide some. For converting to JPEG the software should provide options at least for exposure and color balance. -- Ray Fischer |
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