{"collection":"grad-noise-175k","coord":"t19_x22_u6_b14","data":{"index":156021,"ordinal":"155181461","topo":"o2(x,o2(o1(x),x))","expression":"sub(R,div(nrm(D),D))","image":"frame_expr-156021.png","measured":true,"step":128175,"globalStep":128175,"value_mean":-0.9992702603340149,"value_positive_fraction":0,"value_abs_mean":0.9992702603340149,"value_variance":0.00009584358485881239,"value_stddev":0.009789973497390747,"value_min":-1,"value_max":-0.7507932186126709,"value_range":0.2492067813873291,"histogram_probability_sum":1,"histogram_entropy_bits":0.04843255132436752,"gradient_energy_x":0.000030008068279130384,"gradient_energy_y":0.00003057130379602313,"gradient_magnitude_mean":0.0007767420029267669,"gradient_axis_bias":-0.009297480806708336,"gradient_nonzero_flag":0,"laplacian_mean":-3.7543870790024414e-11,"laplacian_energy":0.00009577763557899743,"laplacian_abs_mean":0.0010626284638419747,"gradient_magnitude_variance":0.000060001581005053595,"gradient_magnitude_stddev":0.007746068760752678,"gradient_magnitude_cv":9.972511291503906,"gradient_magnitude_max":0.15770387649536133,"gradient_energy_over_variance":0.632064938545227,"laplacian_energy_over_variance":0.9993118643760681,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.00006918494182173163,"scale_diff2_mid":0.00015138644084800035,"scale_diff2_far":0.00016974695608951151,"scale_diff2_near_over_variance":0.7218526005744934,"scale_diff2_mid_over_variance":1.5795155763626099,"scale_diff2_far_over_variance":1.7710829973220825,"value_histogram":[[[0.9954681396484375,0.9954681396484375,0.9954681396484375],[0.0023193359375,0.0023193359375,0.0023193359375],[0.00140380859375,0.00140380859375,0.00140380859375],[0.0008087158203125,0.0008087158203125,0.0008087158203125],[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],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.00006918494182173163,0.7218526005744934],[0.0625,0.00015138644084800035,1.5795155763626099],[0.25,0.00016974695608951151,1.7710829973220825]]]},"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\",\"6\",\"14\"]"}