{"collection":"grad-noise-175k","coord":"t8_x25_u0_b15","data":{"index":8656,"ordinal":"65974848","topo":"o2(o2(x,x),x)","expression":"sub(pow(R,R),D)","image":"frame_expr-008656.png","measured":true,"step":69255,"globalStep":69255,"value_mean":-0.9235286712646484,"value_positive_fraction":0.04296875,"value_abs_mean":0.9905341267585754,"value_variance":0.1308823674917221,"value_stddev":0.3617766797542572,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.37705522775650024,"gradient_energy_x":0.013413871638476849,"gradient_energy_y":0.012976763769984245,"gradient_magnitude_mean":0.016038719564676285,"gradient_axis_bias":0.016562992706894875,"gradient_nonzero_flag":1,"laplacian_mean":0.000016245290680672042,"laplacian_energy":0.055007390677928925,"laplacian_abs_mean":0.030069289728999138,"gradient_magnitude_variance":0.02612488716840744,"gradient_magnitude_stddev":0.16163194179534912,"gradient_magnitude_cv":10.077609062194824,"gradient_magnitude_max":2.7075886726379395,"gradient_energy_over_variance":0.20163628458976746,"laplacian_energy_over_variance":0.42028114199638367,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0,"scale_diff2_mid":0,"scale_diff2_far":0.020279504358768463,"scale_diff2_near_over_variance":0,"scale_diff2_mid_over_variance":0,"scale_diff2_far_over_variance":0.154944509267807,"value_histogram":[[[0.95703125,0.95703125,0.95703125],[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],[0.000335693359375,0.000335693359375,0.000335693359375],[0.0046234130859375,0.0046234130859375,0.0046234130859375],[0.0066375732421875,0.0066375732421875,0.0066375732421875],[0.0069580078125,0.0069580078125,0.0069580078125],[0.006317138671875,0.006317138671875,0.006317138671875],[0.0081787109375,0.0081787109375,0.0081787109375],[0.0047607421875,0.0047607421875,0.0047607421875],[0.005157470703125,0.005157470703125,0.005157470703125]]],"scale_curve":[[[0.015625,0,0],[0.0625,0,0],[0.25,0.020279504358768463,0.154944509267807]]]},"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":"[\"8\",\"25\",\"0\",\"15\"]"}