Here’s a related filter: https://discuss.pixls.us/t/yet-another-transfer-colours-filter/4865
Perhaps some ideas can be taken from that (it generates a clut). There are simpler ways for your type of input though.
Here’s a related filter: https://discuss.pixls.us/t/yet-another-transfer-colours-filter/4865
Perhaps some ideas can be taken from that (it generates a clut). There are simpler ways for your type of input though.