Polygon Matching and Indexing Under Affine Transformations - Edgar Chávez; Ana C. Chávez-Cáliz; Jorge L. López-López (CoRR, 2013)

Affine invariants of generalized polygons and matching under affine transformations. - Edgar Chávez; Ana C. Chávez-Cáliz; Jorge L. López-López (Comput. Geom., 2016)

Indexed Polygon Matching Under Similarities. - Fernando Luque-Suárez; Jorge L. López-López; Edgar Chávez (SISAP, 2021)