The first dehaze test was horrid. It was both the unrefined script and the processing around it. The type of preprocessing matters. Here is test #2:
photoflow: minimal. NB. Should probably use RT with good CA and defringe correction.
gmic: curves (HLG, brightness, contrast), dehaze script, retinex, sharpen (LoG), resize.
Edit: Oops, here is the proper file, the difference being a little more detail in the highlights. 
