Studying the physical properties of tidal features: I. Extracting morphological substructure in CANDELS observations and VELA simulations - Mantha, Kameswara Bharadwaj; McIntosh, Daniel H.; Ciashi, Cody P.; Evan, Rubyet; Ferguson, Henry C.; Fries, Logan B.; Guo, Yicheng; Ceverino, Daniel (Monthly notices of the Royal Astronomical Society, 2019)