{"collection":"grad-noise-175k","coord":"t20_x39_u0_b19","data":{"index":167374,"ordinal":"163987678","topo":"o2(x,o2(o2(x,x),x))","expression":"add(D,sub(min(D,D),P))","image":"frame_expr-167374.png","measured":true,"step":47399,"globalStep":47399,"value_mean":0,"value_positive_fraction":0.5,"value_abs_mean":0.9374999403953552,"value_variance":0.920998215675354,"value_stddev":0.9596865177154541,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.7932873964309692,"gradient_energy_x":0.002324639353901148,"gradient_energy_y":0,"gradient_magnitude_mean":0.015022090636193752,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.0006774000939913094,"laplacian_abs_mean":0.008347724564373493,"gradient_magnitude_variance":0.002100246027112007,"gradient_magnitude_stddev":0.0458284392952919,"gradient_magnitude_cv":3.05073618888855,"gradient_magnitude_max":0.22564804553985596,"gradient_energy_over_variance":0.002524043433368206,"laplacian_energy_over_variance":0.0007355064153671265,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.005717230960726738,"scale_diff2_mid":0.044632986187934875,"scale_diff2_far":0.23042996227741241,"scale_diff2_near_over_variance":0.006207646336406469,"scale_diff2_mid_over_variance":0.04846153408288956,"scale_diff2_far_over_variance":0.2501958906650543,"value_histogram":[[[0.4453125,0.4453125,0.4453125],[0,0,0],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[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],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[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],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0,0,0],[0.4453125,0.4453125,0.4453125]]],"scale_curve":[[[0.015625,0.005717230960726738,0.006207646336406469],[0.0625,0.044632986187934875,0.04846153408288956],[0.25,0.23042996227741241,0.2501958906650543]]]},"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":"[\"20\",\"39\",\"0\",\"19\"]"}