{"collection":"grad-noise-175k","coord":"t20_x68_u0_b19","data":{"index":173203,"ordinal":"165159307","topo":"o2(x,o2(o2(x,x),x))","expression":"add(R,sub(min(D,D),R))","image":"frame_expr-173203.png","measured":true,"step":94031,"globalStep":94031,"value_mean":0,"value_positive_fraction":0.5,"value_abs_mean":0.0943630188703537,"value_variance":0.010822162963449955,"value_stddev":0.10402962565422058,"value_min":-0.1454160213470459,"value_max":0.1454160213470459,"value_range":0.2908320426940918,"histogram_probability_sum":1,"histogram_entropy_bits":2.5612781047821045,"gradient_energy_x":0.0016324453754350543,"gradient_energy_y":0,"gradient_magnitude_mean":0.03609355539083481,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.0002562853042036295,"laplacian_abs_mean":0.014590432867407799,"gradient_magnitude_variance":0.0003303724806755781,"gradient_magnitude_stddev":0.01817615143954754,"gradient_magnitude_cv":0.5035843849182129,"gradient_magnitude_max":0.06191825866699219,"gradient_energy_over_variance":0.1508428007364273,"laplacian_energy_over_variance":0.0236815232783556,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.003151064971461892,"scale_diff2_mid":0.021832572296261787,"scale_diff2_far":5.235577986098137e-15,"scale_diff2_near_over_variance":0.2911677658557892,"scale_diff2_mid_over_variance":2.017394542694092,"scale_diff2_far_over_variance":4.837829355869294e-13,"value_histogram":[[[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.1875,0.1875,0.1875],[0.1875,0.1875,0.1875],[0.125,0.125,0.125],[0.125,0.125,0.125],[0.1875,0.1875,0.1875],[0.1875,0.1875,0.1875],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.003151064971461892,0.2911677658557892],[0.0625,0.021832572296261787,2.017394542694092],[0.25,5.235577986098137e-15,4.837829355869294e-13]]]},"renderer":1,"first_seen":"2026-09-23T00:00:00.000Z","last_seen":"2026-09-23T00:00:00.000Z","sightings":[{"at":"2026-09-23T00:00:00.000Z","data":null}],"axes":"[\"20\",\"68\",\"0\",\"19\"]"}