Pitteway, M.L.V.Olive, P.M.2014-10-142014-10-1419851467-8659https://doi.org/10.1111/j.1467-8659.1985.tb00200.xAn algorithm is presented which evaluates the area of the triangles formed by the intersection of a straight-line boundary with pixel elements, yet involves only tests and additions.10.1111/j.1467-8659.1985.tb00200.x111-116