{"collection":"grad-noise-175k","coord":"t20_x21_u0_b52","data":{"index":163789,"ordinal":"163260493","topo":"o2(x,o2(o2(x,x),x))","expression":"add(P,pow(min(R,D),P))","image":"frame_expr-163789.png","measured":true,"step":18719,"globalStep":18719,"value_mean":-0.9611476063728333,"value_positive_fraction":0.01953125,"value_abs_mean":0.9997898936271667,"value_variance":0.07576250284910202,"value_stddev":0.2752498984336853,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.14613954722881317,"gradient_energy_x":0.010081480257213116,"gradient_energy_y":0.005969212856143713,"gradient_magnitude_mean":0.008105329237878323,"gradient_axis_bias":0.2562049925327301,"gradient_nonzero_flag":1,"laplacian_mean":6.382457756748394e-11,"laplacian_energy":0.0336197204887867,"laplacian_abs_mean":0.016176648437976837,"gradient_magnitude_variance":0.01598205789923668,"gradient_magnitude_stddev":0.12642017006874084,"gradient_magnitude_cv":15.597167015075684,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.21185536682605743,"laplacian_energy_over_variance":0.4437514543533325,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.022091105580329895,"scale_diff2_mid":0.09065135568380356,"scale_diff2_far":0.2391948401927948,"scale_diff2_near_over_variance":0.2915836274623871,"scale_diff2_mid_over_variance":1.1965200901031494,"scale_diff2_far_over_variance":3.1571664810180664,"value_histogram":[[[0.98046875,0.98046875,0.98046875],[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],[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],[0.0014190673828125,0.0014190673828125,0.0014190673828125],[0.0181121826171875,0.0181121826171875,0.0181121826171875]]],"scale_curve":[[[0.015625,0.022091105580329895,0.2915836274623871],[0.0625,0.09065135568380356,1.1965200901031494],[0.25,0.2391948401927948,3.1571664810180664]]]},"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\",\"21\",\"0\",\"52\"]"}