| Description: Specifies whether the image still has a CFA pattern ("Encoded"), the CFA pattern has been removed ("Decoded") or it never had a pattern ("No CFA"). |
| Namespace Id: img | Steward: img | Class Name: Color_Filter_Array | 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 |
| | Decoded | Indicates the image has been processed such that it no longer contains the CFA pattern. This generally means the image is color, but it could also mean that processing has been applied to remove the effects of the CFA pattern and still be a single band, or that the result is a multispectral image. The algorithm used to decode the pattern is indicated by the processing_algorithm attribute in the Color_Filter_Array class. |
| | Encoded | Indicates the CFA pattern is still present in the image. The image should be a single band, with each pixel containing the appropriate color value as determined by the color_filter_array_type. An encoded image is not directly viewable as color; it must be decoded first. |
| | No CFA | Indicates the image is not and has never been CFA encoded. In this case, Color_Filter_Array would simply not be present in the label. This value is present in case it needs to be explicitly stated that there is no CFA. |