{"collection":"grad-noise-175k","coord":"t19_x9_u0_b69","data":{"index":144339,"ordinal":"154655097","topo":"o2(x,o2(o1(x),x))","expression":"lrg(D,div(sqt(P),P))","image":"frame_expr-144339.png","measured":true,"step":34719,"globalStep":34719,"value_mean":0.5639901161193848,"value_positive_fraction":0.75,"value_abs_mean":0.5639901161193848,"value_variance":0.21863818168640137,"value_stddev":0.4675876200199127,"value_min":0,"value_max":1,"value_range":1,"histogram_probability_sum":1,"histogram_entropy_bits":1.913637399673462,"gradient_energy_x":0.00683289859443903,"gradient_energy_y":0,"gradient_magnitude_mean":0.025350075215101242,"gradient_axis_bias":0.9999999403953552,"gradient_nonzero_flag":1,"laplacian_mean":-0.0000898449361557141,"laplacian_energy":0.01379322912544012,"laplacian_abs_mean":0.027264753356575966,"gradient_magnitude_variance":0.0061890315264463425,"gradient_magnitude_stddev":0.07867039740085602,"gradient_magnitude_cv":3.1033594608306885,"gradient_magnitude_max":0.6717048287391663,"gradient_energy_over_variance":0.03125208243727684,"laplacian_energy_over_variance":0.06308700889348984,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.004570637829601765,"scale_diff2_mid":0.018880417570471764,"scale_diff2_far":0.07978720217943192,"scale_diff2_near_over_variance":0.020905030891299248,"scale_diff2_mid_over_variance":0.08635462820529938,"scale_diff2_far_over_variance":0.3649280369281769,"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],[0.33203125,0.33203125,0.33203125],[0.02734375,0.02734375,0.02734375],[0.02734375,0.02734375,0.02734375],[0.0234375,0.0234375,0.0234375],[0,0,0],[0.0234375,0.0234375,0.0234375],[0,0,0],[0.01953125,0.01953125,0.01953125],[0.015625,0.015625,0.015625],[0,0,0],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.51171875,0.51171875,0.51171875]]],"scale_curve":[[[0.015625,0.004570637829601765,0.020905030891299248],[0.0625,0.018880417570471764,0.08635462820529938],[0.25,0.07978720217943192,0.3649280369281769]]]},"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\",\"9\",\"0\",\"69\"]"}