{"collection":"grad-noise-175k","coord":"t20_x40_u0_b192","data":{"index":167748,"ordinal":"164028252","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,lrg(mod(D,D),D))","image":"frame_expr-167748.png","measured":true,"step":50391,"globalStep":50391,"value_mean":-0.2949899137020111,"value_positive_fraction":0.3125,"value_abs_mean":0.3302235007286072,"value_variance":0.1692262440919876,"value_stddev":0.4113711714744568,"value_min":-1,"value_max":0.09671986103057861,"value_range":1.0967198610305786,"histogram_probability_sum":1,"histogram_entropy_bits":2.9834585189819336,"gradient_energy_x":0.3154444396495819,"gradient_energy_y":0,"gradient_magnitude_mean":0.4049771726131439,"gradient_axis_bias":0.9999999403953552,"gradient_nonzero_flag":1,"laplacian_mean":0.003556259209290147,"laplacian_energy":1.024399757385254,"laplacian_abs_mean":0.734343945980072,"gradient_magnitude_variance":0.15144851803779602,"gradient_magnitude_stddev":0.3891638517379761,"gradient_magnitude_cv":0.9609525799751282,"gradient_magnitude_max":1.0306679010391235,"gradient_energy_over_variance":1.864039659500122,"laplacian_energy_over_variance":6.053432941436768,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.1139822006225586,"scale_diff2_mid":0.21032185852527618,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.6735491752624512,"scale_diff2_mid_over_variance":1.2428442239761353,"scale_diff2_far_over_variance":0,"value_histogram":[[[0.1875,0.1875,0.1875],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0.1875,0.1875,0.1875],[0.0625,0.0625,0.0625],[0.125,0.125,0.125],[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],[0,0,0],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.1139822006225586,0.6735491752624512],[0.0625,0.21032185852527618,1.2428442239761353],[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":"[\"20\",\"40\",\"0\",\"192\"]"}