{"collection":"grad-noise-175k","coord":"t4_x0_u5_b4","data":{"index":329,"ordinal":"32483413","topo":"o1(o2(x,x))","expression":"sgn(pow(P,P))","image":"frame_expr-000329.png","measured":true,"step":2639,"globalStep":2639,"value_mean":0.0625,"value_positive_fraction":0.53125,"value_abs_mean":0.9805564880371094,"value_variance":0.9690338969230652,"value_stddev":0.9843952059745789,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.3257430791854858,"gradient_energy_x":0.0014117101673036814,"gradient_energy_y":0,"gradient_magnitude_mean":0.007936554960906506,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.00006476687849499285,"laplacian_abs_mean":0.0018552838591858745,"gradient_magnitude_variance":0.001348909456282854,"gradient_magnitude_stddev":0.036727502942085266,"gradient_magnitude_cv":4.62763786315918,"gradient_magnitude_max":0.2337653636932373,"gradient_energy_over_variance":0.0014568222686648369,"laplacian_energy_over_variance":0.00006683654646622017,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0,"scale_diff2_mid":0,"scale_diff2_far":0.003701817011460662,"scale_diff2_near_over_variance":0,"scale_diff2_mid_over_variance":0,"scale_diff2_far_over_variance":0.003820110810920596,"value_histogram":[[[0.44921875,0.44921875,0.44921875],[0,0,0],[0.00390625,0.00390625,0.00390625],[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],[0.00390625,0.00390625,0.00390625],[0,0,0],[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],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.51171875,0.51171875,0.51171875]]],"scale_curve":[[[0.015625,0,0],[0.0625,0,0],[0.25,0.003701817011460662,0.003820110810920596]]]},"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":"[\"4\",\"0\",\"5\",\"4\"]"}