How can I adjust Hue and Saturation on a color camera?

TIS color cameras provide Hue and Saturation parameters for adjusting the color appearance of captured images. These parameters can be used to compensate for color shifts, enhance color differences, or deliberately create alternative color representations.

Hue and Saturation adjustments are available for all output pixel formats.

Note: Hue and Saturation also work when a Bayer raw pixel format is selected. However, if at least one of these parameters is enabled by setting it to a non-default value, the resulting image may appear slightly blurred. This is due to the way Hue and Saturation adjustments are implemented internally.

What does the Hue parameter do?

The Hue parameter shifts the colors in the image. It can be useful, for example, to compensate for a color shift or to create false-color images for specific applications.

The parameter value typically ranges from 0% to 397% and represents a rotation of the colors within the RGB color space.

  • 100% is the default value and applies no color shift.

  • High values rotate the colors in one direction.

  • Low values rotate the colors in the opposite direction.

  • Values around 0% or 397% result in a substantial shift in color representation.

What does the Saturation parameter do?

The Saturation parameter controls the colorfulness or intensity of the colors in the image. Increasing the saturation can make differences between colors more pronounced and easier to distinguish.

The parameter value typically ranges from 0 to 255.

  • Lower values produce less saturated, more muted colors that are closer to gray.

  • Higher values produce more saturated, vivid, and vibrant colors.

  • The default value represents the camera's standard color saturation.

Example

Reducing the Saturation makes the colors progressively less intense, while increasing it makes the colors more vivid. A sufficiently low saturation can result in an image that is close to grayscale.