Index – O obj (HeterogeneousModel attribute) ones_like() (in module darsia) operator() (MG method) opposite_corner (Image property) OpticalImage (class in darsia) optimality_conditions() (BeckmannProblem method) optimize_balancing() (AbstractBalancingCalibration method) (ContinuityBasedBalancingCalibrationMixin method) options (BeckmannGproxPGHDSolver attribute) (BeckmannProblem attribute) origin (AnalysisBase attribute) (Image attribute) original_dtype (Image attribute) orthogonal_colors() (in module darsia) OtsuTwoPeakHistogrammAnalysis (class in darsia) output_array_dtype (BaseTransformation attribute) output_dtype (BaseTransformation attribute)