{"collection":"grad-noise-175k","coord":"t12_x13_u6_b13","data":{"index":30938,"ordinal":"97973644","topo":"o1(o2(x,o2(x,x)))","expression":"nrm(sub(D,mlt(D,D)))","image":"frame_expr-030938.png","measured":true,"step":77351,"globalStep":77351,"value_mean":-0.06363600492477417,"value_positive_fraction":0.46484375,"value_abs_mean":0.3899533152580261,"value_variance":0.2017570585012436,"value_stddev":0.4491737484931946,"value_min":-0.9452702403068542,"value_max":0.9278934001922607,"value_range":1.8731637001037598,"histogram_probability_sum":1,"histogram_entropy_bits":4.6646409034729,"gradient_energy_x":0.04035578668117523,"gradient_energy_y":0.0065996041521430016,"gradient_magnitude_mean":0.16377611458301544,"gradient_axis_bias":0.7188989520072937,"gradient_nonzero_flag":1,"laplacian_mean":0.0003772969648707658,"laplacian_energy":0.042648252099752426,"laplacian_abs_mean":0.07695120573043823,"gradient_magnitude_variance":0.020133033394813538,"gradient_magnitude_stddev":0.14189091324806213,"gradient_magnitude_cv":0.866371214389801,"gradient_magnitude_max":1.483127236366272,"gradient_energy_over_variance":0.23273234069347382,"laplacian_energy_over_variance":0.21138419210910797,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.07916044443845749,"scale_diff2_mid":0.42382538318634033,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.3923552632331848,"scale_diff2_mid_over_variance":2.1006720066070557,"scale_diff2_far_over_variance":0,"value_histogram":[[[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0.03515625,0.03515625,0.03515625],[0.0234375,0.0234375,0.0234375],[0.01953125,0.01953125,0.01953125],[0.06640625,0.06640625,0.06640625],[0.07421875,0.07421875,0.07421875],[0.03515625,0.03515625,0.03515625],[0.0625,0.0625,0.0625],[0.01953125,0.01953125,0.01953125],[0.046875,0.046875,0.046875],[0.03125,0.03125,0.03125],[0.0625,0.0625,0.0625],[0.01171875,0.01171875,0.01171875],[0.02734375,0.02734375,0.02734375],[0.05859375,0.05859375,0.05859375],[0.03515625,0.03515625,0.03515625],[0.05078125,0.05078125,0.05078125],[0.078125,0.078125,0.078125],[0.04296875,0.04296875,0.04296875],[0.03515625,0.03515625,0.03515625],[0.0234375,0.0234375,0.0234375],[0.02734375,0.02734375,0.02734375],[0.0078125,0.0078125,0.0078125],[0.0234375,0.0234375,0.0234375],[0.0234375,0.0234375,0.0234375],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.015625,0.015625,0.015625],[0,0,0]]],"scale_curve":[[[0.015625,0.07916044443845749,0.3923552632331848],[0.0625,0.42382538318634033,2.1006720066070557],[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":"[\"12\",\"13\",\"6\",\"13\"]"}