{"collection":"grad-noise-175k","coord":"t12_x4_u5_b20","data":{"index":23201,"ordinal":"97609841","topo":"o1(o2(x,o2(x,x)))","expression":"sgn(sub(P,dot(D,D)))","image":"frame_expr-023201.png","measured":true,"step":15455,"globalStep":15455,"value_mean":-0.06279825419187546,"value_positive_fraction":0.46875,"value_abs_mean":0.9805508255958557,"value_variance":0.9689260721206665,"value_stddev":0.9843404293060303,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.3321130275726318,"gradient_energy_x":0.0014292922569438815,"gradient_energy_y":0.000006437204319809098,"gradient_magnitude_mean":0.008208425715565681,"gradient_axis_bias":0.9910328984260559,"gradient_nonzero_flag":1,"laplacian_mean":0.000001393153524986701,"laplacian_energy":0.00012796673399861902,"laplacian_abs_mean":0.002509827958419919,"gradient_magnitude_variance":0.0013690271880477667,"gradient_magnitude_stddev":0.03700036555528641,"gradient_magnitude_cv":4.507607936859131,"gradient_magnitude_max":0.2468453198671341,"gradient_energy_over_variance":0.0014817740302532911,"laplacian_energy_over_variance":0.0001320706942351535,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0037431754171848297,"scale_diff2_mid":0.0488259494304657,"scale_diff2_far":0.3002795875072479,"scale_diff2_near_over_variance":0.0038632210344076157,"scale_diff2_mid_over_variance":0.050391823053359985,"scale_diff2_far_over_variance":0.3099097013473511,"value_histogram":[[[0.51171875,0.51171875,0.51171875],[0.00048828125,0.00048828125,0.00048828125],[0.00341796875,0.00341796875,0.00341796875],[0.00048828125,0.00048828125,0.00048828125],[0.00341796875,0.00341796875,0.00341796875],[0,0,0],[0.00048828125,0.00048828125,0.00048828125],[0.00341796875,0.00341796875,0.00341796875],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.44921875,0.44921875,0.44921875]]],"scale_curve":[[[0.015625,0.0037431754171848297,0.0038632210344076157],[0.0625,0.0488259494304657,0.050391823053359985],[0.25,0.3002795875072479,0.3099097013473511]]]},"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":"[\"12\",\"4\",\"5\",\"20\"]"}