{"collection":"grad-noise-175k","coord":"t19_x2_u1_b4","data":{"index":138466,"ordinal":"154372426","topo":"o2(x,o2(o1(x),x))","expression":"add(P,pow(log(P),R))","image":"frame_expr-138466.png","measured":true,"step":136135,"globalStep":136135,"value_mean":-0.2109375,"value_positive_fraction":0.39453125,"value_abs_mean":1,"value_variance":0.954951286315918,"value_stddev":0.9772160649299622,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.9676615595817566,"gradient_energy_x":0.01587301678955555,"gradient_energy_y":0.0060468632727861404,"gradient_magnitude_mean":0.010904593393206596,"gradient_axis_bias":0.4482758939266205,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.04535147547721863,"laplacian_abs_mean":0.02191988006234169,"gradient_magnitude_variance":0.021803952753543854,"gradient_magnitude_stddev":0.14766161143779755,"gradient_magnitude_cv":13.541230201721191,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.022953925654292107,"laplacian_energy_over_variance":0.04749087989330292,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.025484764948487282,"scale_diff2_mid":0.10459833592176437,"scale_diff2_far":0.4077562391757965,"scale_diff2_near_over_variance":0.026686979457736015,"scale_diff2_mid_over_variance":0.10953263938426971,"scale_diff2_far_over_variance":0.42699167132377625,"value_histogram":[[[0.60546875,0.60546875,0.60546875],[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],[0,0,0],[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],[0.39453125,0.39453125,0.39453125]]],"scale_curve":[[[0.015625,0.025484764948487282,0.026686979457736015],[0.0625,0.10459833592176437,0.10953263938426971],[0.25,0.4077562391757965,0.42699167132377625]]]},"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\",\"2\",\"1\",\"4\"]"}