{"collection":"grad-noise-175k","coord":"t16_x19_u0_b12","data":{"index":90733,"ordinal":"130697247","topo":"o2(x,o1(o2(x,x)))","expression":"sub(R,sqt(sub(P,D)))","image":"frame_expr-090733.png","measured":true,"step":42671,"globalStep":42671,"value_mean":-0.9873961806297302,"value_positive_fraction":0,"value_abs_mean":0.9873961806297302,"value_variance":0.00680895522236824,"value_stddev":0.0825163945555687,"value_min":-1,"value_max":-0.014412377960979939,"value_range":0.9855875968933105,"histogram_probability_sum":1,"histogram_entropy_bits":0.31518155336380005,"gradient_energy_x":0.0012669650604948401,"gradient_energy_y":0.00010740021389210597,"gradient_magnitude_mean":0.0044211470521986485,"gradient_axis_bias":0.8437092900276184,"gradient_nonzero_flag":1,"laplacian_mean":0.0000020707695966848405,"laplacian_energy":0.0021714805625379086,"laplacian_abs_mean":0.0043908399529755116,"gradient_magnitude_variance":0.0013552266173064709,"gradient_magnitude_stddev":0.0368134006857872,"gradient_magnitude_cv":8.326662063598633,"gradient_magnitude_max":0.9587655067443848,"gradient_energy_over_variance":0.20184671878814697,"laplacian_energy_over_variance":0.31891536712646484,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.001801439793780446,"scale_diff2_mid":0.0088448915630579,"scale_diff2_far":0.01182272844016552,"scale_diff2_near_over_variance":0.2645691931247711,"scale_diff2_mid_over_variance":1.2990086078643799,"scale_diff2_far_over_variance":1.7363498210906982,"value_histogram":[[[0.9689483642578125,0.9689483642578125,0.9689483642578125],[0.0039520263671875,0.0039520263671875,0.0039520263671875],[0.004425048828125,0.004425048828125,0.004425048828125],[0.0030975341796875,0.0030975341796875,0.0030975341796875],[0.0027618408203125,0.0027618408203125,0.0027618408203125],[0.0019378662109375,0.0019378662109375,0.0019378662109375],[0.002166748046875,0.002166748046875,0.002166748046875],[0.002349853515625,0.002349853515625,0.002349853515625],[0.001922607421875,0.001922607421875,0.001922607421875],[0.001434326171875,0.001434326171875,0.001434326171875],[0.00146484375,0.00146484375,0.00146484375],[0.00177001953125,0.00177001953125,0.00177001953125],[0.0012359619140625,0.0012359619140625,0.0012359619140625],[0.0009307861328125,0.0009307861328125,0.0009307861328125],[0.0011138916015625,0.0011138916015625,0.0011138916015625],[0.00048828125,0.00048828125,0.00048828125],[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]]],"scale_curve":[[[0.015625,0.001801439793780446,0.2645691931247711],[0.0625,0.0088448915630579,1.2990086078643799],[0.25,0.01182272844016552,1.7363498210906982]]]},"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":"[\"16\",\"19\",\"0\",\"12\"]"}