{"collection":"grad-noise-175k","coord":"t19_x13_u1_b96","data":{"index":147875,"ordinal":"154816929","topo":"o2(x,o2(o1(x),x))","expression":"min(D,min(log(D),D))","image":"frame_expr-147875.png","measured":true,"step":63007,"globalStep":63007,"value_mean":-0.598097562789917,"value_positive_fraction":0,"value_abs_mean":0.598097562789917,"value_variance":0.13040348887443542,"value_stddev":0.3611142337322235,"value_min":-1,"value_max":-0.03125014528632164,"value_range":0.9687498807907104,"histogram_probability_sum":1,"histogram_entropy_bits":3.0306389331817627,"gradient_energy_x":0.06240784004330635,"gradient_energy_y":0,"gradient_magnitude_mean":0.11892376840114594,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0.0002495210210327059,"laplacian_energy":0.12077006697654724,"laplacian_abs_mean":0.13730323314666748,"gradient_magnitude_variance":0.04825944826006889,"gradient_magnitude_stddev":0.2196803241968155,"gradient_magnitude_cv":1.8472363948822021,"gradient_magnitude_max":0.9687498807907104,"gradient_energy_over_variance":0.4785749316215515,"laplacian_energy_over_variance":0.9261260628700256,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.06508520245552063,"scale_diff2_mid":0.22600342333316803,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.4991063177585602,"scale_diff2_mid_over_variance":1.7331087589263916,"scale_diff2_far_over_variance":0,"value_histogram":[[[0.375,0.375,0.375],[0,0,0],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[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":[[[0.015625,0.06508520245552063,0.4991063177585602],[0.0625,0.22600342333316803,1.7331087589263916],[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\",\"1\",\"96\"]"}