{"collection":"grad-noise-175k","coord":"t19_x25_u0_b47","data":{"index":157869,"ordinal":"155301491","topo":"o2(x,o2(o1(x),x))","expression":"pow(R,div(sqt(R),D))","image":"frame_expr-157869.png","measured":true,"step":142959,"globalStep":142959,"value_mean":-0.925538957118988,"value_positive_fraction":0.04296875,"value_abs_mean":0.9885236620903015,"value_variance":0.12931139767169952,"value_stddev":0.35959893465042114,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.36216163635253906,"gradient_energy_x":0.011685245670378208,"gradient_energy_y":0.013199551962316036,"gradient_magnitude_mean":0.01629575714468956,"gradient_axis_bias":-0.060852665454149246,"gradient_nonzero_flag":1,"laplacian_mean":-0.00007774602272547781,"laplacian_energy":0.050874076783657074,"laplacian_abs_mean":0.028688177466392517,"gradient_magnitude_variance":0.024605045095086098,"gradient_magnitude_stddev":0.15685994923114777,"gradient_magnitude_cv":9.625815391540527,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.19244088232517242,"laplacian_energy_over_variance":0.3934229910373688,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.01968446373939514,"scale_diff2_mid":0.09187620878219604,"scale_diff2_far":0.2161702662706375,"scale_diff2_near_over_variance":0.1522252857685089,"scale_diff2_mid_over_variance":0.7105035781860352,"scale_diff2_far_over_variance":1.6717032194137573,"value_histogram":[[[0.95703125,0.95703125,0.95703125],[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],[0.0045013427734375,0.0045013427734375,0.0045013427734375],[0.00115966796875,0.00115966796875,0.00115966796875],[0.001373291015625,0.001373291015625,0.001373291015625],[0.0007476806640625,0.0007476806640625,0.0007476806640625],[0.0013580322265625,0.0013580322265625,0.0013580322265625],[0.0006256103515625,0.0006256103515625,0.0006256103515625],[0.0009613037109375,0.0009613037109375,0.0009613037109375],[0.001068115234375,0.001068115234375,0.001068115234375],[0.000885009765625,0.000885009765625,0.000885009765625],[0.0008087158203125,0.0008087158203125,0.0008087158203125],[0.0008544921875,0.0008544921875,0.0008544921875],[0.00103759765625,0.00103759765625,0.00103759765625],[0.000701904296875,0.000701904296875,0.000701904296875],[0.0009613037109375,0.0009613037109375,0.0009613037109375],[0.000701904296875,0.000701904296875,0.000701904296875],[0.0252227783203125,0.0252227783203125,0.0252227783203125]]],"scale_curve":[[[0.015625,0.01968446373939514,0.1522252857685089],[0.0625,0.09187620878219604,0.7105035781860352],[0.25,0.2161702662706375,1.6717032194137573]]]},"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\",\"25\",\"0\",\"47\"]"}