{"collection":"grad-noise-175k","coord":"t19_x17_u5_b3","data":{"index":151654,"ordinal":"154979244","topo":"o2(x,o2(o1(x),x))","expression":"add(D,div(sgn(R),R))","image":"frame_expr-151654.png","measured":true,"step":93239,"globalStep":93239,"value_mean":0.9994844794273376,"value_positive_fraction":1,"value_abs_mean":0.9994844794273376,"value_variance":0.000035692122764885426,"value_stddev":0.005974288564175367,"value_min":0.8579509258270264,"value_max":1,"value_range":0.14204907417297363,"histogram_probability_sum":1,"histogram_entropy_bits":0.03277824819087982,"gradient_energy_x":0.000010533342901908327,"gradient_energy_y":0.000004016229013359407,"gradient_magnitude_mean":0.0003925693454220891,"gradient_axis_bias":0.44792476296424866,"gradient_nonzero_flag":0,"laplacian_mean":-7.337536658269528e-7,"laplacian_energy":0.000017501681213616394,"laplacian_abs_mean":0.0004724257451016456,"gradient_magnitude_variance":0.000014398126950254664,"gradient_magnitude_stddev":0.003794486401602626,"gradient_magnitude_cv":9.665773391723633,"gradient_magnitude_max":0.08666421473026276,"gradient_energy_over_variance":0.4076409935951233,"laplacian_energy_over_variance":0.4903513789176941,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.000022315171008813195,"scale_diff2_mid":0.00006679183570668101,"scale_diff2_far":0.00006589605618501082,"scale_diff2_near_over_variance":0.6252127885818481,"scale_diff2_mid_over_variance":1.8713326454162598,"scale_diff2_far_over_variance":1.8462352752685547,"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],[0,0,0],[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],[0.000091552734375,0.000091552734375,0.000091552734375],[0.00323486328125,0.00323486328125,0.00323486328125],[0.996673583984375,0.996673583984375,0.996673583984375]]],"scale_curve":[[[0.015625,0.000022315171008813195,0.6252127885818481],[0.0625,0.00006679183570668101,1.8713326454162598],[0.25,0.00006589605618501082,1.8462352752685547]]]},"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\",\"17\",\"5\",\"3\"]"}