TY - JOUR AU - Richard Brown AU - Stephen Marsland AU - Robert McLachlan TI - Differential Invariant Signatures for Planar Lie Group Transformations with Application to Images JO - Journal of Lie Theory PY - 2022 SP - 709 EP - 736 VL - 32 IS - 3 UR - http://geodesic.mathdoc.fr/item/JOLT_2022_32_3_a4/ ID - JOLT_2022_32_3_a4 ER -