{"collection":"grad-noise-175k","coord":"t19_x22_u4_b44","data":{"index":155809,"ordinal":"155181089","topo":"o2(x,o2(o1(x),x))","expression":"pow(R,add(cil(D),D))","image":"frame_expr-155809.png","measured":true,"step":126479,"globalStep":126479,"value_mean":-0.9217124581336975,"value_positive_fraction":0.04296875,"value_abs_mean":0.9923498630523682,"value_variance":0.1389886438846588,"value_stddev":0.37281179428100586,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.3718871474266052,"gradient_energy_x":0.013879125006496906,"gradient_energy_y":0.013968948274850845,"gradient_magnitude_mean":0.016375871375203133,"gradient_axis_bias":-0.0032254750840365887,"gradient_nonzero_flag":1,"laplacian_mean":-0.000012663456800510176,"laplacian_energy":0.058062467724084854,"laplacian_abs_mean":0.030731411650776863,"gradient_magnitude_variance":0.027565322816371918,"gradient_magnitude_stddev":0.16602808237075806,"gradient_magnitude_cv":10.138580322265625,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.2003622055053711,"laplacian_energy_over_variance":0.4177497327327728,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.021989498287439346,"scale_diff2_mid":0.09629268944263458,"scale_diff2_far":0.22933171689510345,"scale_diff2_near_over_variance":0.15821075439453125,"scale_diff2_mid_over_variance":0.6928097605705261,"scale_diff2_far_over_variance":1.65000319480896,"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],[0.0005645751953125,0.0005645751953125,0.0005645751953125],[0.0003509521484375,0.0003509521484375,0.0003509521484375],[0.000274658203125,0.000274658203125,0.000274658203125],[0.0005035400390625,0.0005035400390625,0.0005035400390625],[0.0014495849609375,0.0014495849609375,0.0014495849609375],[0.0015106201171875,0.0015106201171875,0.0015106201171875],[0.00128173828125,0.00128173828125,0.00128173828125],[0.0012054443359375,0.0012054443359375,0.0012054443359375],[0.0014495849609375,0.0014495849609375,0.0014495849609375],[0.0019378662109375,0.0019378662109375,0.0019378662109375],[0.002288818359375,0.002288818359375,0.002288818359375],[0.0023651123046875,0.0023651123046875,0.0023651123046875],[0.002716064453125,0.002716064453125,0.002716064453125],[0.002655029296875,0.002655029296875,0.002655029296875],[0.0224151611328125,0.0224151611328125,0.0224151611328125]]],"scale_curve":[[[0.015625,0.021989498287439346,0.15821075439453125],[0.0625,0.09629268944263458,0.6928097605705261],[0.25,0.22933171689510345,1.65000319480896]]]},"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\",\"22\",\"4\",\"44\"]"}