{"collection":"grad-noise-175k","coord":"t19_x13_u6_b39","data":{"index":148423,"ordinal":"154817877","topo":"o2(x,o2(o1(x),x))","expression":"div(D,lrg(nrm(D),D))","image":"frame_expr-148423.png","measured":true,"step":67391,"globalStep":67391,"value_mean":-0.9592894315719604,"value_positive_fraction":0.0390625,"value_abs_mean":0.9625855684280396,"value_variance":0.040811147540807724,"value_stddev":0.20201769471168518,"value_min":-1,"value_max":0.08662551641464233,"value_range":1.086625576019287,"histogram_probability_sum":1,"histogram_entropy_bits":0.2661774754524231,"gradient_energy_x":0.06518777459859848,"gradient_energy_y":0.01695852540433407,"gradient_magnitude_mean":0.07450007647275925,"gradient_axis_bias":0.5871140360832214,"gradient_nonzero_flag":1,"laplacian_mean":0.0005475498037412763,"laplacian_energy":0.28096097707748413,"laplacian_abs_mean":0.1580801010131836,"gradient_magnitude_variance":0.07658588141202927,"gradient_magnitude_stddev":0.27674153447151184,"gradient_magnitude_cv":3.7146475315093994,"gradient_magnitude_max":1.536720633506775,"gradient_energy_over_variance":2.0128397941589355,"laplacian_energy_over_variance":6.884417533874512,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.058726027607917786,"scale_diff2_mid":0.08172158896923065,"scale_diff2_far":0,"scale_diff2_near_over_variance":1.4389702081680298,"scale_diff2_mid_over_variance":2.0024330615997314,"scale_diff2_far_over_variance":0,"value_histogram":[[[0.9609375,0.9609375,0.9609375],[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],[0.03125,0.03125,0.03125],[0.0078125,0.0078125,0.0078125],[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":[[[0.015625,0.058726027607917786,1.4389702081680298],[0.0625,0.08172158896923065,2.0024330615997314],[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":"[\"19\",\"13\",\"6\",\"39\"]"}