{"collection":"grad-noise-175k","coord":"t18_x47_u0_b44","data":{"index":129857,"ordinal":"148069709","topo":"o2(x,o2(x,o2(x,x)))","expression":"add(D,pow(R,add(P,R)))","image":"frame_expr-129857.png","measured":true,"step":67263,"globalStep":67263,"value_mean":-0.9192274212837219,"value_positive_fraction":0.0425872802734375,"value_abs_mean":0.9948650002479553,"value_variance":0.1481667309999466,"value_stddev":0.3849243223667145,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.32666587829589844,"gradient_energy_x":0.01580875553190708,"gradient_energy_y":0.014331857673823833,"gradient_magnitude_mean":0.01595095917582512,"gradient_axis_bias":0.04900025948882103,"gradient_nonzero_flag":1,"laplacian_mean":0.000011723122042894829,"laplacian_energy":0.06302584707736969,"laplacian_abs_mean":0.03149423748254776,"gradient_magnitude_variance":0.029879117384552956,"gradient_magnitude_stddev":0.17285576462745667,"gradient_magnitude_cv":10.836700439453125,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.2034236043691635,"laplacian_energy_over_variance":0.42537108063697815,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.025009283795952797,"scale_diff2_mid":0.10673605650663376,"scale_diff2_far":0.2606596052646637,"scale_diff2_near_over_variance":0.1687914878129959,"scale_diff2_mid_over_variance":0.7203779816627502,"scale_diff2_far_over_variance":1.7592315673828125,"value_histogram":[[[0.95703125,0.95703125,0.95703125],[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],[0.0000762939453125,0.0000762939453125,0.0000762939453125],[0.00030517578125,0.00030517578125,0.00030517578125],[0.000579833984375,0.000579833984375,0.000579833984375],[0.000579833984375,0.000579833984375,0.000579833984375],[0.001068115234375,0.001068115234375,0.001068115234375],[0.0006561279296875,0.0006561279296875,0.0006561279296875],[0.000335693359375,0.000335693359375,0.000335693359375],[0.000152587890625,0.000152587890625,0.000152587890625],[0.0002899169921875,0.0002899169921875,0.0002899169921875],[0.000396728515625,0.000396728515625,0.000396728515625],[0.0003662109375,0.0003662109375,0.0003662109375],[0.00091552734375,0.00091552734375,0.00091552734375],[0.001190185546875,0.001190185546875,0.001190185546875],[0.0006866455078125,0.0006866455078125,0.0006866455078125],[0.0008087158203125,0.0008087158203125,0.0008087158203125],[0.0011749267578125,0.0011749267578125,0.0011749267578125],[0.000244140625,0.000244140625,0.000244140625],[0.03314208984375,0.03314208984375,0.03314208984375]]],"scale_curve":[[[0.015625,0.025009283795952797,0.1687914878129959],[0.0625,0.10673605650663376,0.7203779816627502],[0.25,0.2606596052646637,1.7592315673828125]]]},"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":"[\"18\",\"47\",\"0\",\"44\"]"}