The philosophy of Epicurus can't be humanism because it is already called Epicureanism, lol
(Apples and oranges are both a fruit)...and maybe we need a chart comparing them.
"Humanism” is such a broad concept, with many – often conflicting (e.g. theistic and nontheistic) – strands, that I find it pretty meaningless as a catch-all philosophical term in itself. Better, perhaps, to speak of “humanisms” of different sorts.
Perhaps a chart with some common types of humanism listed.