{"collection":"grad-noise-175k","coord":"t19_x13_u4_b34","data":{"index":148176,"ordinal":"154817470","topo":"o2(x,o2(o1(x),x))","expression":"div(D,sub(cil(D),D))","image":"frame_expr-148176.png","measured":true,"step":65415,"globalStep":65415,"value_mean":-0.21646639704704285,"value_positive_fraction":0.5,"value_abs_mean":0.34437400102615356,"value_variance":0.17217937111854553,"value_stddev":0.41494500637054443,"value_min":-0.9906864166259766,"value_max":0.19766806066036224,"value_range":1.1883544921875,"histogram_probability_sum":1,"histogram_entropy_bits":3.375,"gradient_energy_x":0.07240062952041626,"gradient_energy_y":0,"gradient_magnitude_mean":0.14608533680438995,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-0.0006699336809106171,"laplacian_energy":0.1259405016899109,"laplacian_abs_mean":0.14199817180633545,"gradient_magnitude_variance":0.05104629322886467,"gradient_magnitude_stddev":0.22593426704406738,"gradient_magnitude_cv":1.54659104347229,"gradient_magnitude_max":1.02264404296875,"gradient_energy_over_variance":0.4204953610897064,"laplacian_energy_over_variance":0.7314494252204895,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.08242806047201157,"scale_diff2_mid":0.296169251203537,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.4787336587905884,"scale_diff2_mid_over_variance":1.7201204299926758,"scale_diff2_far_over_variance":0,"value_histogram":[[[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0.0625,0.0625,0.0625],[0.125,0.125,0.125],[0.0625,0.0625,0.0625],[0.25,0.25,0.25],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[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":[[[0.015625,0.08242806047201157,0.4787336587905884],[0.0625,0.296169251203537,1.7201204299926758],[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\",\"4\",\"34\"]"}