{"collection":"grad-noise-175k","coord":"t19_x13_u1_b89","data":{"index":147868,"ordinal":"154816922","topo":"o2(x,o2(o1(x),x))","expression":"min(D,sub(log(D),D))","image":"frame_expr-147868.png","measured":true,"step":62951,"globalStep":62951,"value_mean":-0.676436722278595,"value_positive_fraction":0,"value_abs_mean":0.676436722278595,"value_variance":0.12905731797218323,"value_stddev":0.3592454791069031,"value_min":-1,"value_max":-0.03153209760785103,"value_range":0.9684678912162781,"histogram_probability_sum":1,"histogram_entropy_bits":2.771782159805298,"gradient_energy_x":0.06280911713838577,"gradient_energy_y":0,"gradient_magnitude_mean":0.11886841058731079,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0.0003235486801713705,"laplacian_energy":0.12055166810750961,"laplacian_abs_mean":0.13323740661144257,"gradient_magnitude_variance":0.04867963492870331,"gradient_magnitude_stddev":0.2206346094608307,"gradient_magnitude_cv":1.8561248779296875,"gradient_magnitude_max":0.9684678912162781,"gradient_energy_over_variance":0.4866761267185211,"laplacian_energy_over_variance":0.9340940117835999,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.06596588343381882,"scale_diff2_mid":0.22419849038124084,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.5111363530158997,"scale_diff2_mid_over_variance":1.7372008562088013,"scale_diff2_far_over_variance":0,"value_histogram":[[[0.4375,0.4375,0.4375],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[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":[[[0.015625,0.06596588343381882,0.5111363530158997],[0.0625,0.22419849038124084,1.7372008562088013],[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\",\"1\",\"89\"]"}