{"collection":"grad-noise-175k","coord":"t20_x77_u0_b4","data":{"index":174997,"ordinal":"165522901","topo":"o2(x,o2(o2(x,x),x))","expression":"add(R,add(pow(R,D),R))","image":"frame_expr-174997.png","measured":true,"step":108383,"globalStep":108383,"value_mean":-0.9140691757202148,"value_positive_fraction":0.04296875,"value_abs_mean":0.9999933242797852,"value_variance":0.16446354985237122,"value_stddev":0.4055410623550415,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.25574204325675964,"gradient_energy_x":0.016881054267287254,"gradient_energy_y":0.01637221686542034,"gradient_magnitude_mean":0.016525235027074814,"gradient_axis_bias":0.015301874838769436,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.06953001767396927,"laplacian_abs_mean":0.03326718509197235,"gradient_magnitude_variance":0.03296077623963356,"gradient_magnitude_stddev":0.1815510243177414,"gradient_magnitude_cv":10.986289978027344,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.20219235122203827,"laplacian_energy_over_variance":0.42276856303215027,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.025421462953090668,"scale_diff2_mid":0.10950544476509094,"scale_diff2_far":0.27566206455230713,"scale_diff2_near_over_variance":0.1545720249414444,"scale_diff2_mid_over_variance":0.6658341288566589,"scale_diff2_far_over_variance":1.676128625869751,"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],[0,0,0],[0,0,0],[0.04296875,0.04296875,0.04296875]]],"scale_curve":[[[0.015625,0.025421462953090668,0.1545720249414444],[0.0625,0.10950544476509094,0.6658341288566589],[0.25,0.27566206455230713,1.676128625869751]]]},"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\",\"77\",\"0\",\"4\"]"}