Function opencv::core::lut

pub fn lut(
    src: &dyn ToInputArray, 
    lut: &dyn ToInputArray, 
    dst: &mut dyn ToOutputArray
) -> Result<()>

Performs a look-up table transform of an array.

The function LUT fills the output array with values from the look-up table. Indices of the entries are taken from the input array. That is, the function processes each element of src as follows: where

Parameters

• src: input array of 8-bit elements.
• lut: look-up table of 256 elements; in case of multi-channel input array, the table should either have a single channel (in this case the same table is used for all channels) or the same number of channels as in the input array.
• dst: output array of the same size and number of channels as src, and the same depth as lut.

See also

convertScaleAbs, Mat::convertTo