TIFF Tag GrayResponseCurve
| IFD | Image |
|---|---|
| Code | 291 (hex 0x0123) |
| Name | GrayResponseCurve |
| LibTiff name | TIFFTAG_GRAYRESPONSECURVE |
| Type | SHORT |
| Count | 2**BitsPerSample |
| Default | None |
Description
For grayscale data, the optical density of each possible pixel value.
The 0th value of GrayResponseCurve corresponds to the optical density of a pixel having a value of 0, and so on.
This field may provide useful information for sophisticated applications, but it is currently ignored by most TIFF readers.