{"collection":"grad-noise-175k","coord":"t19_x22_u5_b36","data":{"index":155922,"ordinal":"155181282","topo":"o2(x,o2(o1(x),x))","expression":"div(R,div(sgn(D),D))","image":"frame_expr-155922.png","measured":true,"step":127383,"globalStep":127383,"value_mean":0.0025683962740004063,"value_positive_fraction":0.50152587890625,"value_abs_mean":0.09741666167974472,"value_variance":0.017406277358531952,"value_stddev":0.1319328397512436,"value_min":-0.482412725687027,"value_max":0.4673599302768707,"value_range":0.9497726559638977,"histogram_probability_sum":1,"histogram_entropy_bits":3.0954201221466064,"gradient_energy_x":0.0007897406467236578,"gradient_energy_y":0.00025602715322747827,"gradient_magnitude_mean":0.027394205331802368,"gradient_axis_bias":0.5103556513786316,"gradient_nonzero_flag":1,"laplacian_mean":-0.00007094084867276251,"laplacian_energy":0.00023116795637179166,"laplacian_abs_mean":0.011023132130503654,"gradient_magnitude_variance":0.0002953241055365652,"gradient_magnitude_stddev":0.017184996977448463,"gradient_magnitude_cv":0.6273223161697388,"gradient_magnitude_max":0.08467422425746918,"gradient_energy_over_variance":0.06007992476224899,"laplacian_energy_over_variance":0.013280723243951797,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0019347347551956773,"scale_diff2_mid":0.015220480971038342,"scale_diff2_far":0.030472246930003166,"scale_diff2_near_over_variance":0.1111515536904335,"scale_diff2_mid_over_variance":0.8744248151779175,"scale_diff2_far_over_variance":1.750646948814392,"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],[0.0013885498046875,0.0013885498046875,0.0013885498046875],[0.007232666015625,0.007232666015625,0.007232666015625],[0.0098114013671875,0.0098114013671875,0.0098114013671875],[0.0194091796875,0.0194091796875,0.0194091796875],[0.03631591796875,0.03631591796875,0.03631591796875],[0.06292724609375,0.06292724609375,0.06292724609375],[0.125213623046875,0.125213623046875,0.125213623046875],[0.2354583740234375,0.2354583740234375,0.2354583740234375],[0.2191314697265625,0.2191314697265625,0.2191314697265625],[0.123504638671875,0.123504638671875,0.123504638671875],[0.07733154296875,0.07733154296875,0.07733154296875],[0.0438690185546875,0.0438690185546875,0.0438690185546875],[0.02532958984375,0.02532958984375,0.02532958984375],[0.010223388671875,0.010223388671875,0.010223388671875],[0.0025177001953125,0.0025177001953125,0.0025177001953125],[0.000335693359375,0.000335693359375,0.000335693359375],[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":[[[0.015625,0.0019347347551956773,0.1111515536904335],[0.0625,0.015220480971038342,0.8744248151779175],[0.25,0.030472246930003166,1.750646948814392]]]},"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":"[\"19\",\"22\",\"5\",\"36\"]"}