| Description: For single-band images, this defines which component of the color space is represented by this band. This keyword is not needed for 3-band images, as all bands are represented. |
| Namespace Id: img | Steward: img | Class Name: Color_Processing | Type: ASCII_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | All | Used for 3-band images, or (preferred) the keyword may be absent. |
| | Blue | Blue band of one of the RGB types. |
| | Green | Green band of one of the RGB types. |
| | Hue | Hue component of HSI |
| | Intensity | Intensity component of HSI |
| | Red | Red band of one of the RGB types. |
| | Saturation | Saturation component of HSI |
| | XYZ_X | X (uppercase) value of CIE_XYZ. |
| | XYZ_Y | Y (uppercase) value of CIE_XYZ. |
| | XYZ_Z | Z (uppercase) value of CIE_XYZ. |
| | xyY_YY | Capital Y value of CIE_xyY. The Y is repeated in order to distinguish it from xyY_y on a case-insensitive basis. |
| | xyY_x | x (lowercase) value of CIE_xyY. |
| | xyY_y | y (lowercase) value of CIE_xyY. |