tokens: We account for Graduated Assignment ( GA ) , Spectral Matching ( SM ) , Spectral Matching with Affine Constraints ( SMAC ) , Probabilistic Matching ( PM ) , Integer Projected Fixed Point ( IPFP - U / SM ) , Re - weighted Random Walk Matching ( RRWM ) , and the current state - of - the - art , the non - rigid Factorized Graph Matching ( FGM ) .