{"collection":"grad-noise-175k","coord":"t20_x39_u0_b130","data":{"index":167485,"ordinal":"163987789","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,add(dot(D,D),P))","image":"frame_expr-167485.png","measured":true,"step":48287,"globalStep":48287,"value_mean":-0.029761305078864098,"value_positive_fraction":0.47607421875,"value_abs_mean":0.9375,"value_variance":0.918177604675293,"value_stddev":0.9582158327102661,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.911719799041748,"gradient_energy_x":0.0014570355415344238,"gradient_energy_y":0.00015689822612330317,"gradient_magnitude_mean":0.012748274952173233,"gradient_axis_bias":0.8055704236030579,"gradient_nonzero_flag":1,"laplacian_mean":0.00003053600084967911,"laplacian_energy":0.0003174403973389417,"laplacian_abs_mean":0.005323626566678286,"gradient_magnitude_variance":0.001451218267902732,"gradient_magnitude_stddev":0.038094859570264816,"gradient_magnitude_cv":2.988236427307129,"gradient_magnitude_max":0.19163687527179718,"gradient_energy_over_variance":0.0017577578546479344,"laplacian_energy_over_variance":0.0003457287675701082,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.004083417356014252,"scale_diff2_mid":0.03571797162294388,"scale_diff2_far":0.2281290590763092,"scale_diff2_near_over_variance":0.004447306971997023,"scale_diff2_mid_over_variance":0.038900941610336304,"scale_diff2_far_over_variance":0.24845853447914124,"value_histogram":[[[0.46630859375,0.46630859375,0.46630859375],[0.00244140625,0.00244140625,0.00244140625],[0.00146484375,0.00146484375,0.00146484375],[0.0009765625,0.0009765625,0.0009765625],[0.00146484375,0.00146484375,0.00146484375],[0.00146484375,0.00146484375,0.00146484375],[0.0009765625,0.0009765625,0.0009765625],[0.00146484375,0.00146484375,0.00146484375],[0.00146484375,0.00146484375,0.00146484375],[0.00341796875,0.00341796875,0.00341796875],[0.00537109375,0.00537109375,0.00537109375],[0.00634765625,0.00634765625,0.00634765625],[0.00732421875,0.00732421875,0.00732421875],[0.0107421875,0.0107421875,0.0107421875],[0.0068359375,0.0068359375,0.0068359375],[0.005859375,0.005859375,0.005859375],[0.0048828125,0.0048828125,0.0048828125],[0.00244140625,0.00244140625,0.00244140625],[0.00146484375,0.00146484375,0.00146484375],[0.0009765625,0.0009765625,0.0009765625],[0.00146484375,0.00146484375,0.00146484375],[0.00146484375,0.00146484375,0.00146484375],[0.0009765625,0.0009765625,0.0009765625],[0.00146484375,0.00146484375,0.00146484375],[0.00146484375,0.00146484375,0.00146484375],[0.00341796875,0.00341796875,0.00341796875],[0.00537109375,0.00537109375,0.00537109375],[0.00634765625,0.00634765625,0.00634765625],[0.00732421875,0.00732421875,0.00732421875],[0.0107421875,0.0107421875,0.0107421875],[0.0068359375,0.0068359375,0.0068359375],[0.41943359375,0.41943359375,0.41943359375]]],"scale_curve":[[[0.015625,0.004083417356014252,0.004447306971997023],[0.0625,0.03571797162294388,0.038900941610336304],[0.25,0.2281290590763092,0.24845853447914124]]]},"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\",\"39\",\"0\",\"130\"]"}