{"collection":"grad-noise-175k","coord":"t19_x13_u2_b9","data":{"index":147909,"ordinal":"154817043","topo":"o2(x,o2(o1(x),x))","expression":"add(D,dot(frc(D),D))","image":"frame_expr-147909.png","measured":true,"step":63279,"globalStep":63279,"value_mean":-0.04794621095061302,"value_positive_fraction":0.4375,"value_abs_mean":0.1467045098543167,"value_variance":0.02749960869550705,"value_stddev":0.16583006083965302,"value_min":-0.372628390789032,"value_max":0.22266487777233124,"value_range":0.5952932834625244,"histogram_probability_sum":1,"histogram_entropy_bits":3.253777027130127,"gradient_energy_x":0.003791074501350522,"gradient_energy_y":0.0005232474650256336,"gradient_magnitude_mean":0.060385823249816895,"gradient_axis_bias":0.757436990737915,"gradient_nonzero_flag":1,"laplacian_mean":0.00013155331544112414,"laplacian_energy":0.0008411145536229014,"laplacian_abs_mean":0.02474430575966835,"gradient_magnitude_variance":0.0006676188786514103,"gradient_magnitude_stddev":0.025838321074843407,"gradient_magnitude_cv":0.4278872013092041,"gradient_magnitude_max":0.11492108553647995,"gradient_energy_over_variance":0.15688666701316833,"laplacian_energy_over_variance":0.030586419627070427,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.008287603966891766,"scale_diff2_mid":0.055008649826049805,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.3013717234134674,"scale_diff2_mid_over_variance":2.000343084335327,"scale_diff2_far_over_variance":0,"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],[0.05078125,0.05078125,0.05078125],[0.078125,0.078125,0.078125],[0.14453125,0.14453125,0.14453125],[0.09765625,0.09765625,0.09765625],[0.08203125,0.08203125,0.08203125],[0.109375,0.109375,0.109375],[0.09765625,0.09765625,0.09765625],[0.14453125,0.14453125,0.14453125],[0.12890625,0.12890625,0.12890625],[0.06640625,0.06640625,0.06640625],[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":[[[0.015625,0.008287603966891766,0.3013717234134674],[0.0625,0.055008649826049805,2.000343084335327],[0.25,0,0]]]},"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\",\"13\",\"2\",\"9\"]"}