{"collection":"grad-noise-175k","coord":"t19_x4_u2_b11","data":{"index":140288,"ordinal":"154453436","topo":"o2(x,o2(o1(x),x))","expression":"sub(P,add(frc(D),D))","image":"frame_expr-140288.png","measured":true,"step":2311,"globalStep":2311,"value_mean":-0.0625,"value_positive_fraction":0.46875,"value_abs_mean":0.9375,"value_variance":0.915398359298706,"value_stddev":0.9567645192146301,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.7901208400726318,"gradient_energy_x":0.006786649581044912,"gradient_energy_y":0,"gradient_magnitude_mean":0.01520334742963314,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.015646355226635933,"laplacian_abs_mean":0.01991688832640648,"gradient_magnitude_variance":0.006559106055647135,"gradient_magnitude_stddev":0.08098830282688141,"gradient_magnitude_cv":5.327004432678223,"gradient_magnitude_max":0.8761641979217529,"gradient_energy_over_variance":0.00741387577727437,"laplacian_energy_over_variance":0.017092401161789894,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.007626891601830721,"scale_diff2_mid":0.02306828834116459,"scale_diff2_far":0.22813734412193298,"scale_diff2_near_over_variance":0.00833177287131548,"scale_diff2_mid_over_variance":0.025200271978974342,"scale_diff2_far_over_variance":0.24922193586826324,"value_histogram":[[[0.4765625,0.4765625,0.4765625],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.4140625,0.4140625,0.4140625]]],"scale_curve":[[[0.015625,0.007626891601830721,0.00833177287131548],[0.0625,0.02306828834116459,0.025200271978974342],[0.25,0.22813734412193298,0.24922193586826324]]]},"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\",\"4\",\"2\",\"11\"]"}