{"collection":"grad-noise-175k","coord":"t20_x15_u0_b156","data":{"index":162687,"ordinal":"163018191","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(P,div(mlt(D,R),P))","image":"frame_expr-162687.png","measured":true,"step":9903,"globalStep":9903,"value_mean":-0.12540841102600098,"value_positive_fraction":0.4375,"value_abs_mean":0.9993497133255005,"value_variance":0.9830132126808167,"value_stddev":0.991470217704773,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.0241321325302124,"gradient_energy_x":0.015704374760389328,"gradient_energy_y":8.882562383405457e-7,"gradient_magnitude_mean":0.008277211338281631,"gradient_axis_bias":0.9998868703842163,"gradient_nonzero_flag":1,"laplacian_mean":9.221600407727237e-7,"laplacian_energy":0.03169901669025421,"laplacian_abs_mean":0.016250910237431526,"gradient_magnitude_variance":0.01563039794564247,"gradient_magnitude_stddev":0.12502159178256989,"gradient_magnitude_cv":15.104312896728516,"gradient_magnitude_max":2,"gradient_energy_over_variance":0.01597665622830391,"laplacian_energy_over_variance":0.03224678710103035,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.02071347087621689,"scale_diff2_mid":0.08312501758337021,"scale_diff2_far":0.33576858043670654,"scale_diff2_near_over_variance":0.021071406081318855,"scale_diff2_mid_over_variance":0.08456144481897354,"scale_diff2_far_over_variance":0.34157076478004456,"value_histogram":[[[0.56219482421875,0.56219482421875,0.56219482421875],[0.00030517578125,0.00030517578125,0.00030517578125],[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],[0,0,0],[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],[0,0,0],[0,0,0],[0.0038299560546875,0.0038299560546875,0.0038299560546875],[0.4336700439453125,0.4336700439453125,0.4336700439453125]]],"scale_curve":[[[0.015625,0.02071347087621689,0.021071406081318855],[0.0625,0.08312501758337021,0.08456144481897354],[0.25,0.33576858043670654,0.34157076478004456]]]},"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\",\"15\",\"0\",\"156\"]"}