{"collection":"grad-noise-175k","coord":"t20_x52_u0_b92","data":{"index":170060,"ordinal":"164512964","topo":"o2(x,o2(o2(x,x),x))","expression":"add(D,min(pow(R,R),D))","image":"frame_expr-170060.png","measured":true,"step":68887,"globalStep":68887,"value_mean":-0.0001972909230971709,"value_positive_fraction":0.5,"value_abs_mean":0.18892218172550201,"value_variance":0.043396297842264175,"value_stddev":0.20831777155399323,"value_min":-0.29736071825027466,"value_max":0.29083192348480225,"value_range":0.5881926417350769,"histogram_probability_sum":1,"histogram_entropy_bits":2.9056389331817627,"gradient_energy_x":0.006546591408550739,"gradient_energy_y":7.3102421893622704e-9,"gradient_magnitude_mean":0.07233932614326477,"gradient_axis_bias":0.9999976754188538,"gradient_nonzero_flag":1,"laplacian_mean":0.000002339483216928784,"laplacian_energy":0.001028433907777071,"laplacian_abs_mean":0.029187586158514023,"gradient_magnitude_variance":0.0013165274867787957,"gradient_magnitude_stddev":0.036283984780311584,"gradient_magnitude_cv":0.5015803575515747,"gradient_magnitude_max":0.12391628324985504,"gradient_energy_over_variance":0.150856152176857,"laplacian_energy_over_variance":0.023698654025793076,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.012636716477572918,"scale_diff2_mid":0.08753982186317444,"scale_diff2_far":9.093952826333407e-7,"scale_diff2_near_over_variance":0.291193425655365,"scale_diff2_mid_over_variance":2.017218589782715,"scale_diff2_far_over_variance":0.000020955594663973898,"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],[0.1875,0.1875,0.1875],[0.0625,0.0625,0.0625],[0.125,0.125,0.125],[0,0,0],[0.125,0.125,0.125],[0.125,0.125,0.125],[0,0,0],[0.125,0.125,0.125],[0.0625,0.0625,0.0625],[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]]],"scale_curve":[[[0.015625,0.012636716477572918,0.291193425655365],[0.0625,0.08753982186317444,2.017218589782715],[0.25,9.093952826333407e-7,0.000020955594663973898]]]},"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\",\"52\",\"0\",\"92\"]"}