Features AW00123409000284 Basler ace USB 3.07.14.3.3 Light Source PresetsThe light from different light sources used for image acquisition can differ in color temperature.Thereby, specific color shifts in the image can occur. You can correct for a specific color shift byselecting, if availabe, a matching light source preset.When selecting light source presets the following settings are available: Off - No light source preset is selected. In addition, no gamma correction is automaticallyapplied (accordingly, the Gamma parameter value is set to 1). Basler recommends setting theGamma parameter value to 0.45. This parameter value adjusts the pixel values for correctcolor reproduction on an sRGB monitor without, however, taking account of a specific lightsource. Daylight 5000 K - This light source preset makes appropriate color corrections for imagescaptured with daylight lighting with a color temperature of about 5000 K. Daylight 5000 K is thedefault light source preset after camera reset or power up. Daylight 6500 K - This light source preset makes appropriate color corrections for imagescaptured with daylight lighting with a color temperature of about 6500 K. Tungsten 2800 K - This light source preset makes appropriate color corrections for imagescaptured with tungsten incandescent lighting with a color temperature of about 2500 K to3000 K.When the Daylight 5000 K, Daylight 6500 K or Tungsten 2800 K light source preset is selected, thefollowing color enhancement mechanisms operate automatically: The parameter values for "manual" white balance are modified (BalanceRatio parametervalues for red, green, and blue; see page 280). The color transformation matrix is populated with the coefficients that are appropriate for thelight source. The parameter values for the Color Adjustment feature are modified (hue, saturation). A gamma correction value of approximately 0.45 is automatically applied to adjust the pixelvalues for correct color reproduction on an sRGB display. Note that the Gamma parametervalue is not affected. Make sure it remains set to 1.See Section 7.14.3.5 on page 290 for more information about the color transformation matrix.See Section 7.14.3.4 on page 286 for more information about color adjustment.See Section 7.14.3.6 on page 292 for an overall procedure for setting the color enhancementfeatures.
