{"collection":"grad-noise-175k","coord":"t18_x15_u0_b171","data":{"index":123552,"ordinal":"146777004","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(P,pow(D,lrg(R,P)))","image":"frame_expr-123552.png","measured":true,"step":16823,"globalStep":16823,"value_mean":-0.1152385026216507,"value_positive_fraction":0.4375,"value_abs_mean":0.9277409315109253,"value_variance":0.8996925354003906,"value_stddev":0.9485212564468384,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.848071575164795,"gradient_energy_x":0.002076096599921584,"gradient_energy_y":0.000032756521250121295,"gradient_magnitude_mean":0.009000212885439396,"gradient_axis_bias":0.9689342975616455,"gradient_nonzero_flag":1,"laplacian_mean":-0.0000020366214812383987,"laplacian_energy":0.0032460640650242567,"laplacian_abs_mean":0.005244280211627483,"gradient_magnitude_variance":0.0020288312807679176,"gradient_magnitude_stddev":0.04504254832863808,"gradient_magnitude_cv":5.004609107971191,"gradient_magnitude_max":0.9687591195106506,"gradient_energy_over_variance":0.0023439708165824413,"laplacian_energy_over_variance":0.003607970429584384,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0034907194785773754,"scale_diff2_mid":0.026214508339762688,"scale_diff2_far":0.22500434517860413,"scale_diff2_near_over_variance":0.0038799026515334845,"scale_diff2_mid_over_variance":0.02913718670606613,"scale_diff2_far_over_variance":0.25009027123451233,"value_histogram":[[[0.505218505859375,0.505218505859375,0.505218505859375],[0.00201416015625,0.00201416015625,0.00201416015625],[0.002288818359375,0.002288818359375,0.002288818359375],[0.002197265625,0.002197265625,0.002197265625],[0.00054931640625,0.00054931640625,0.00054931640625],[0.002105712890625,0.002105712890625,0.002105712890625],[0.000732421875,0.000732421875,0.000732421875],[0.00238037109375,0.00238037109375,0.00238037109375],[0.002471923828125,0.002471923828125,0.002471923828125],[0.0010986328125,0.0010986328125,0.0010986328125],[0.0029296875,0.0029296875,0.0029296875],[0.005401611328125,0.005401611328125,0.005401611328125],[0.007843017578125,0.007843017578125,0.007843017578125],[0.0052490234375,0.0052490234375,0.0052490234375],[0.005523681640625,0.005523681640625,0.005523681640625],[0.014495849609375,0.014495849609375,0.014495849609375],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.38671875,0.38671875,0.38671875]]],"scale_curve":[[[0.015625,0.0034907194785773754,0.0038799026515334845],[0.0625,0.026214508339762688,0.02913718670606613],[0.25,0.22500434517860413,0.25009027123451233]]]},"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":"[\"18\",\"15\",\"0\",\"171\"]"}