{"collection":"grad-noise-175k","coord":"t20_x21_u0_b157","data":{"index":163894,"ordinal":"163260598","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(P,div(div(R,D),P))","image":"frame_expr-163894.png","measured":true,"step":19559,"globalStep":19559,"value_mean":-0.13688762485980988,"value_positive_fraction":0.431640625,"value_abs_mean":0.9791937470436096,"value_variance":0.9535983204841614,"value_stddev":0.9765235781669617,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.3883275985717773,"gradient_energy_x":0.12301436066627502,"gradient_energy_y":0.004996511619538069,"gradient_magnitude_mean":0.08568774908781052,"gradient_axis_bias":0.9219362139701843,"gradient_nonzero_flag":1,"laplacian_mean":0.000003788371714108507,"laplacian_energy":0.32952964305877686,"laplacian_abs_mean":0.14506787061691284,"gradient_magnitude_variance":0.12065304815769196,"gradient_magnitude_stddev":0.34735146164894104,"gradient_magnitude_cv":4.0536885261535645,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.1342398226261139,"laplacian_energy_over_variance":0.34556442499160767,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.13313554227352142,"scale_diff2_mid":0.2720949649810791,"scale_diff2_far":0.5201465487480164,"scale_diff2_near_over_variance":0.13961386680603027,"scale_diff2_mid_over_variance":0.285334974527359,"scale_diff2_far_over_variance":0.5454566478729248,"value_histogram":[[[0.5485076904296875,0.5485076904296875,0.5485076904296875],[0.0014801025390625,0.0014801025390625,0.0014801025390625],[0.001434326171875,0.001434326171875,0.001434326171875],[0.0014495849609375,0.0014495849609375,0.0014495849609375],[0.0015869140625,0.0015869140625,0.0015869140625],[0.0012969970703125,0.0012969970703125,0.0012969970703125],[0.0011444091796875,0.0011444091796875,0.0011444091796875],[0.0012054443359375,0.0012054443359375,0.0012054443359375],[0.0013885498046875,0.0013885498046875,0.0013885498046875],[0.0012664794921875,0.0012664794921875,0.0012664794921875],[0.0011138916015625,0.0011138916015625,0.0011138916015625],[0.0013275146484375,0.0013275146484375,0.0013275146484375],[0.0013427734375,0.0013427734375,0.0013427734375],[0.001007080078125,0.001007080078125,0.001007080078125],[0.0014495849609375,0.0014495849609375,0.0014495849609375],[0.0013580322265625,0.0013580322265625,0.0013580322265625],[0.0010986328125,0.0010986328125,0.0010986328125],[0.0012054443359375,0.0012054443359375,0.0012054443359375],[0.001251220703125,0.001251220703125,0.001251220703125],[0.00128173828125,0.00128173828125,0.00128173828125],[0.0012664794921875,0.0012664794921875,0.0012664794921875],[0.0013275146484375,0.0013275146484375,0.0013275146484375],[0.001312255859375,0.001312255859375,0.001312255859375],[0.00140380859375,0.00140380859375,0.00140380859375],[0.001495361328125,0.001495361328125,0.001495361328125],[0.001434326171875,0.001434326171875,0.001434326171875],[0.0010986328125,0.0010986328125,0.0010986328125],[0.002044677734375,0.002044677734375,0.002044677734375],[0.0013885498046875,0.0013885498046875,0.0013885498046875],[0.00152587890625,0.00152587890625,0.00152587890625],[0.001556396484375,0.001556396484375,0.001556396484375],[0.41094970703125,0.41094970703125,0.41094970703125]]],"scale_curve":[[[0.015625,0.13313554227352142,0.13961386680603027],[0.0625,0.2720949649810791,0.285334974527359],[0.25,0.5201465487480164,0.5454566478729248]]]},"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":"[\"20\",\"21\",\"0\",\"157\"]"}