{"collection":"grad-noise-175k","coord":"t20_x45_u0_b160","data":{"index":168721,"ordinal":"164230225","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,div(lrg(R,P),P))","image":"frame_expr-168721.png","measured":true,"step":58175,"globalStep":58175,"value_mean":0.009709867648780346,"value_positive_fraction":0.6484375,"value_abs_mean":0.30106815695762634,"value_variance":0.19235984981060028,"value_stddev":0.4385884702205658,"value_min":-1,"value_max":0.9688955545425415,"value_range":1.9688955545425415,"histogram_probability_sum":1,"histogram_entropy_bits":3.733738899230957,"gradient_energy_x":0.020924586802721024,"gradient_energy_y":0,"gradient_magnitude_mean":0.04191184043884277,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-0.0000016036516399253742,"laplacian_energy":0.03989188373088837,"laplacian_abs_mean":0.03572035953402519,"gradient_magnitude_variance":0.019170092418789864,"gradient_magnitude_stddev":0.13845610618591309,"gradient_magnitude_cv":3.3035080432891846,"gradient_magnitude_max":1.9688955545425415,"gradient_energy_over_variance":0.10877834260463715,"laplacian_energy_over_variance":0.20738154649734497,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.028066694736480713,"scale_diff2_mid":0.11264961957931519,"scale_diff2_far":0.3111867606639862,"scale_diff2_near_over_variance":0.1459072381258011,"scale_diff2_mid_over_variance":0.5856191515922546,"scale_diff2_far_over_variance":1.617732286453247,"value_histogram":[[[0.125,0.125,0.125],[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],[0.08203125,0.08203125,0.08203125],[0.08203125,0.08203125,0.08203125],[0.0625,0.0625,0.0625],[0.09375,0.09375,0.09375],[0.12890625,0.12890625,0.12890625],[0.12890625,0.12890625,0.12890625],[0.05859375,0.05859375,0.05859375],[0.0625,0.0625,0.0625],[0.05859375,0.05859375,0.05859375],[0.03125,0.03125,0.03125],[0.0234375,0.0234375,0.0234375],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625]]],"scale_curve":[[[0.015625,0.028066694736480713,0.1459072381258011],[0.0625,0.11264961957931519,0.5856191515922546],[0.25,0.3111867606639862,1.617732286453247]]]},"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\",\"45\",\"0\",\"160\"]"}