{"collection":"grad-noise-175k","coord":"t20_x52_u0_b48","data":{"index":170016,"ordinal":"164512920","topo":"o2(x,o2(o2(x,x),x))","expression":"add(D,pow(pow(R,R),D))","image":"frame_expr-170016.png","measured":true,"step":68535,"globalStep":68535,"value_mean":-0.9155521392822266,"value_positive_fraction":0.04296875,"value_abs_mean":0.9985105395317078,"value_variance":0.15898412466049194,"value_stddev":0.3987281322479248,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.30060461163520813,"gradient_energy_x":0.016692405566573143,"gradient_energy_y":0.015867508947849274,"gradient_magnitude_mean":0.016839608550071716,"gradient_axis_bias":0.025334728881716728,"gradient_nonzero_flag":1,"laplacian_mean":0.000009315843271906488,"laplacian_energy":0.06844532489776611,"laplacian_abs_mean":0.033272404223680496,"gradient_magnitude_variance":0.03226158767938614,"gradient_magnitude_stddev":0.1796151101589203,"gradient_magnitude_cv":10.666228294372559,"gradient_magnitude_max":2.800920248031616,"gradient_energy_over_variance":0.20479978621006012,"laplacian_energy_over_variance":0.43051671981811523,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.024773184210062027,"scale_diff2_mid":0.10589686036109924,"scale_diff2_far":0.26592451333999634,"scale_diff2_near_over_variance":0.15582174062728882,"scale_diff2_mid_over_variance":0.6660844683647156,"scale_diff2_far_over_variance":1.6726481914520264,"value_histogram":[[[0.95703125,0.95703125,0.95703125],[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],[0.0018310546875,0.0018310546875,0.0018310546875],[0.010650634765625,0.010650634765625,0.010650634765625],[0.030487060546875,0.030487060546875,0.030487060546875]]],"scale_curve":[[[0.015625,0.024773184210062027,0.15582174062728882],[0.0625,0.10589686036109924,0.6660844683647156],[0.25,0.26592451333999634,1.6726481914520264]]]},"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\",\"52\",\"0\",\"48\"]"}