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To prevent sudden jumps in image brightness on live images, some calculations can be smoothed out over time. Damper controls this temporal smoothing. If Damper is less than 1.0 then some calculated parameters are only adjusted from their previous values. In this case the images can take a short time to ‘settle’ after the input image brightness changes. Damper should be 1.0 for a still image to get consistent results.
STATE Variables that are affected
The following STATE variables are separate for ALTM case and non-ALTM case.
When ALTM is on, these are used
"HDR Black Correct"
"HDR Saturation"
"HDR Gamma Correction"
"HDR Contrast"
When ALTM is off, these are used
"Black Correct"
"Saturation"
"Gamma Correction"
"Contrast."
Note: With the changing of ALTM status, whether it is from the dialog or from a preset of INI file, DevWareX will switch between the “HDR xxx” state variables and the non HDR state variables accordingly.
Parameters Settings with ALTM Disabled
Without ALTM, high dynamic range images are by default treated like standard dynamic range (12-bit) images, and pixels brighter than 4095 are all treated as ‘white’. It may be desirable to see a wider dynamic range, but without ALTM. These controls let the user select a wider range of pixel values to display, and DevWareX will interpolate between the chosen minimum and maximum. The interpolation can be linear or logarithmic. The controls under “When Software ALTM is off:” are used to make these selections.
Select MSB for DevWare color processing
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