{"collection":"grad-noise-175k","coord":"t12_x1_u5_b41","data":{"index":20681,"ordinal":"97488659","topo":"o1(o2(x,o2(x,x)))","expression":"sgn(div(P,min(P,D)))","image":"frame_expr-020681.png","measured":true,"step":165455,"globalStep":165455,"value_mean":0.40625,"value_positive_fraction":0.71875,"value_abs_mean":0.8326406478881836,"value_variance":0.6072376370429993,"value_stddev":0.7792545557022095,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":2.6277010440826416,"gradient_energy_x":0.12518730759620667,"gradient_energy_y":0,"gradient_magnitude_mean":0.11894258111715317,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-0.00017968768952414393,"laplacian_energy":0.23313723504543304,"laplacian_abs_mean":0.13267505168914795,"gradient_magnitude_variance":0.1110561341047287,"gradient_magnitude_stddev":0.33325085043907166,"gradient_magnitude_cv":2.801779270172119,"gradient_magnitude_max":1.9994179010391235,"gradient_energy_over_variance":0.20615866780281067,"laplacian_energy_over_variance":0.3839308023452759,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0,"scale_diff2_mid":0,"scale_diff2_far":0.13896489143371582,"scale_diff2_near_over_variance":0,"scale_diff2_mid_over_variance":0,"scale_diff2_far_over_variance":0.22884762287139893,"value_histogram":[[[0.14453125,0.14453125,0.14453125],[0,0,0],[0.02734375,0.02734375,0.02734375],[0,0,0],[0.02734375,0.02734375,0.02734375],[0,0,0],[0,0,0],[0.02734375,0.02734375,0.02734375],[0,0,0],[0,0,0],[0.02734375,0.02734375,0.02734375],[0,0,0],[0,0,0],[0,0,0],[0.02734375,0.02734375,0.02734375],[0,0,0],[0.01171875,0.01171875,0.01171875],[0.03125,0.03125,0.03125],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.03125,0.03125,0.03125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.03125,0.03125,0.03125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.02734375,0.02734375,0.02734375],[0.00390625,0.00390625,0.00390625],[0.03125,0.03125,0.03125],[0.00390625,0.00390625,0.00390625],[0.53125,0.53125,0.53125]]],"scale_curve":[[[0.015625,0,0],[0.0625,0,0],[0.25,0.13896489143371582,0.22884762287139893]]]},"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\",\"1\",\"5\",\"41\"]"}