{"collection":"grad-noise-175k","coord":"t19_x13_u6_b72","data":{"index":148456,"ordinal":"154817910","topo":"o2(x,o2(o1(x),x))","expression":"lrg(D,lrg(nrm(D),D))","image":"frame_expr-148456.png","measured":true,"step":67655,"globalStep":67655,"value_mean":0.0011936863884329796,"value_positive_fraction":0.2890625,"value_abs_mean":0.0011936863884329796,"value_variance":0.000010930936696240678,"value_stddev":0.0033061965368688107,"value_min":0,"value_max":0.019369978457689285,"value_range":0.019369978457689285,"histogram_probability_sum":1,"histogram_entropy_bits":0,"gradient_energy_x":0.00001321167655987665,"gradient_energy_y":0.000012861948562203906,"gradient_magnitude_mean":0.0020887129940092564,"gradient_axis_bias":0.01341309491544962,"gradient_nonzero_flag":0,"laplacian_mean":-0.000011143883966724388,"laplacian_energy":0.00012289686128497124,"laplacian_abs_mean":0.004046532791107893,"gradient_magnitude_variance":0.0000217144115595147,"gradient_magnitude_stddev":0.004659872502088547,"gradient_magnitude_cv":2.230977773666382,"gradient_magnitude_max":0.025471044704318047,"gradient_energy_over_variance":2.385305643081665,"laplacian_energy_over_variance":11.24303150177002,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.000020095405488973483,"scale_diff2_mid":0.0000203063555090921,"scale_diff2_far":0,"scale_diff2_near_over_variance":1.8383973836898804,"scale_diff2_mid_over_variance":1.8576958179473877,"scale_diff2_far_over_variance":0,"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],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[1,1,1],[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]]],"scale_curve":[[[0.015625,0.000020095405488973483,1.8383973836898804],[0.0625,0.0000203063555090921,1.8576958179473877],[0.25,0,0]]]},"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\",\"13\",\"6\",\"72\"]"}