Don't Resize Your Textures Away
A five-class material classifier reads a crop of a truck bed and calls what’s in it. Four of the five classes were fine — F1 between 0.92 and 0.97. One was hopeless: class F1 coarse classes (3 of them) 0.92 – 0.97 the coarser of two stone grades 0.720 the finer of two stone grades 0.476 macro 0.791 The two problem classes are the same crushed stone at two grain sizes. Between 13 and 18 of 30 validation frames of the finer grade came back labelled as the coarser one. A coin flip with extra steps. ...