{"collection":"grad-noise-175k","coord":"t19_x10_u0_b19","data":{"index":145136,"ordinal":"154695448","topo":"o2(x,o2(o1(x),x))","expression":"sub(D,min(sqt(P),D))","image":"frame_expr-145136.png","measured":true,"step":41095,"globalStep":41095,"value_mean":0.008938700892031193,"value_positive_fraction":0.0625,"value_abs_mean":0.008938700892031193,"value_variance":0.0017744553042575717,"value_stddev":0.04212428256869316,"value_min":0,"value_max":0.27288007736206055,"value_range":0.27288007736206055,"histogram_probability_sum":1,"histogram_entropy_bits":0.33894068002700806,"gradient_energy_x":0.00009206718095811084,"gradient_energy_y":0,"gradient_magnitude_mean":0.0021657180041074753,"gradient_axis_bias":1,"gradient_nonzero_flag":0,"laplacian_mean":2.0696058755653723e-10,"laplacian_energy":0.000015673225789214484,"laplacian_abs_mean":0.0008716191514395177,"gradient_magnitude_variance":0.0000874182878760621,"gradient_magnitude_stddev":0.009349774569272995,"gradient_magnitude_cv":4.3171706199646,"gradient_magnitude_max":0.061841174960136414,"gradient_energy_over_variance":0.05188475549221039,"laplacian_energy_over_variance":0.008832696825265884,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.00023383053485304117,"scale_diff2_mid":0.002023674314841628,"scale_diff2_far":0.0025004143826663494,"scale_diff2_near_over_variance":0.13177594542503357,"scale_diff2_mid_over_variance":1.1404482126235962,"scale_diff2_far_over_variance":1.4091166257858276,"value_histogram":[[[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],[0.95703125,0.95703125,0.95703125],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.015625,0.015625,0.015625],[0.01171875,0.01171875,0.01171875],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.00023383053485304117,0.13177594542503357],[0.0625,0.002023674314841628,1.1404482126235962],[0.25,0.0025004143826663494,1.4091166257858276]]]},"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\",\"10\",\"0\",\"19\"]"}