{"collection":"grad-noise-175k","coord":"t20_x4_u0_b149","data":{"index":160469,"ordinal":"162573773","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(P,mlt(lrg(P,D),D))","image":"frame_expr-160469.png","measured":true,"step":163759,"globalStep":163759,"value_mean":0.014777103438973427,"value_positive_fraction":0.5234375,"value_abs_mean":0.9383907318115234,"value_variance":0.9253095388412476,"value_stddev":0.9619300961494446,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.727044701576233,"gradient_energy_x":0.0010718919802457094,"gradient_energy_y":0,"gradient_magnitude_mean":0.009726224467158318,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":1.773947794214692e-10,"laplacian_energy":0.00014012026076670736,"laplacian_abs_mean":0.0038004042580723763,"gradient_magnitude_variance":0.000977766583673656,"gradient_magnitude_stddev":0.03126925975084305,"gradient_magnitude_cv":3.2149434089660645,"gradient_magnitude_max":0.15291628241539001,"gradient_energy_over_variance":0.0011584144085645676,"laplacian_energy_over_variance":0.00015143067867029458,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0027504346799105406,"scale_diff2_mid":0.030184654518961906,"scale_diff2_far":0.2368396669626236,"scale_diff2_near_over_variance":0.0029724480118602514,"scale_diff2_mid_over_variance":0.03262114152312279,"scale_diff2_far_over_variance":0.2559572160243988,"value_histogram":[[[0.44921875,0.44921875,0.44921875],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.01953125,0.01953125,0.01953125],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.453125,0.453125,0.453125]]],"scale_curve":[[[0.015625,0.0027504346799105406,0.0029724480118602514],[0.0625,0.030184654518961906,0.03262114152312279],[0.25,0.2368396669626236,0.2559572160243988]]]},"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\",\"4\",\"0\",\"149\"]"}