{"collection":"grad-noise-175k","coord":"t19_x13_u2_b2","data":{"index":147902,"ordinal":"154817036","topo":"o2(x,o2(o1(x),x))","expression":"add(D,mlt(frc(D),D))","image":"frame_expr-147902.png","measured":true,"step":63223,"globalStep":63223,"value_mean":-0.023975731804966927,"value_positive_fraction":0.5,"value_abs_mean":0.14154061675071716,"value_variance":0.024572543799877167,"value_stddev":0.15675632655620575,"value_min":-0.25902217626571655,"value_max":0.18203222751617432,"value_range":0.44105440378189087,"histogram_probability_sum":1,"histogram_entropy_bits":2.827819347381592,"gradient_energy_x":0.003791074501350522,"gradient_energy_y":0,"gradient_magnitude_mean":0.054772570729255676,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0.00006578166357940063,"laplacian_energy":0.0006768229068256915,"laplacian_abs_mean":0.023362087085843086,"gradient_magnitude_variance":0.0007909705745987594,"gradient_magnitude_stddev":0.02812419831752777,"gradient_magnitude_cv":0.5134722590446472,"gradient_magnitude_max":0.10417944937944412,"gradient_energy_over_variance":0.1542809158563614,"laplacian_energy_over_variance":0.027543868869543076,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.007307668216526508,"scale_diff2_mid":0.0493343248963356,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.2973915934562683,"scale_diff2_mid_over_variance":2.0077011585235596,"scale_diff2_far_over_variance":0,"value_histogram":[[[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],[0.0625,0.0625,0.0625],[0.1875,0.1875,0.1875],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.125,0.125,0.125],[0.125,0.125,0.125],[0.125,0.125,0.125],[0.25,0.25,0.25],[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]]],"scale_curve":[[[0.015625,0.007307668216526508,0.2973915934562683],[0.0625,0.0493343248963356,2.0077011585235596],[0.25,0,0]]]},"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\",\"13\",\"2\",\"2\"]"}