Color Handling

Internal video and color processing uses a high precision floating point color format. This maintains the input color quality through color and other adjustments.

For Stitched Video, there are built in global color adjustments and three levels of color synchronization. There is also support for adding 3D look up tables (LUTs), a powerful tool offering fine grain color control. Proper color format handling is provided and chroma keying is available for Equirectangular Video and 2D Video.

All color adjustments are post-adjustments - no changes are made to the cameras' internal parameters.

Color Formats

For many video inputs and outputs there is a Color Format selection available. The selections available are:

  • YCbCr SD Reduced (BT.601)

  • YCbCr SD Full (BT.601)

  • YCbCr HD Reduced (BT.709)

  • YCbCr HD Full (BT.709)

The selection determines which color standard to use in the translation from external source/destination and the high precision format used internally. For most destinations and sources the default value will be ok to use.

Color Look Up Tables (3D LUT)

Color look up tables (LUT) are a very powerful way of adjusting colors, common in professional color manipulation tools. 3D LUTs must be in the .cube format. LUTs can be produced and exported from all color grading packages.

Here is a possible workflow when working with colors:

  1. Synchronize the colors between the cameras

  2. Make global color adjustments to achieve a neutral image (i.e. color correction)

  3. Apply a 3D LUT to achieve a specific look (i.e. grading)

A LUT can be reused to apply the same "look" to different scenes, as long as color correction is performed before the LUT is applied.

Manual Color Adjustment

It is possible to manually adjust the individual cameras' red, green and blue color gains. This setting is accessible under the Color  Individual Gain Adjustments node in the property tree of Stitched Video entities.

Settings

Opacity

Determine the transparancy of the texture. Useful when combining one texture with a background to create the appearance of partial or full transparency.

Use LUT

Import and use a Look Up Table (LUT).

Curve

Adjust contrast and brightness of a texture.

Basic Adjustments

Contrast

Change the texture intensity in relation to each other.

Brightness

Change the Brightness of the texture.

Gain

Amplification of the pixel values overall texture brightness and contrast. Possible to unlock gain control for separate color values.

Hue

Change which colors to be dominant in the texture.

Saturation

Change the texture intensity of the all the colors.