{"collection":"grad-noise-175k","coord":"t4_x4_u1_b9","data":{"index":598,"ordinal":"32644218","topo":"o1(o2(x,x))","expression":"log(dot(D,D))","image":"frame_expr-000598.png","measured":true,"step":4791,"globalStep":4791,"value_mean":-0.9796581268310547,"value_positive_fraction":0,"value_abs_mean":0.9796581268310547,"value_variance":0.0037251184694468975,"value_stddev":0.06103374809026718,"value_min":-1,"value_max":-0.7078375816345215,"value_range":0.2921624183654785,"histogram_probability_sum":1,"histogram_entropy_bits":0.5856595635414124,"gradient_energy_x":0.0009731273166835308,"gradient_energy_y":0.0009731303434818983,"gradient_magnitude_mean":0.017283806577324867,"gradient_axis_bias":-0.0000015551888736808905,"gradient_nonzero_flag":1,"laplacian_mean":-1.2963898399220852e-8,"laplacian_energy":0.002152106026187539,"laplacian_abs_mean":0.02066190354526043,"gradient_magnitude_variance":0.0016469298861920834,"gradient_magnitude_stddev":0.040582381188869476,"gradient_magnitude_cv":2.3480000495910645,"gradient_magnitude_max":0.1643441617488861,"gradient_energy_over_variance":0.5224686861038208,"laplacian_energy_over_variance":0.5777282118797302,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0,"scale_diff2_mid":0,"scale_diff2_far":0.003124824957922101,"scale_diff2_near_over_variance":0,"scale_diff2_mid_over_variance":0,"scale_diff2_far_over_variance":0.8388525247573853,"value_histogram":[[[0.90625,0.90625,0.90625],[0,0,0],[0.046875,0.046875,0.046875],[0.03125,0.03125,0.03125],[0.015625,0.015625,0.015625],[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]]],"scale_curve":[[[0.015625,0,0],[0.0625,0,0],[0.25,0.003124824957922101,0.8388525247573853]]]},"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\",\"4\",\"1\",\"9\"]"}