{"collection":"grad-noise-175k","coord":"t19_x13_u6_b19","data":{"index":148403,"ordinal":"154817857","topo":"o2(x,o2(o1(x),x))","expression":"sub(D,min(nrm(D),D))","image":"frame_expr-148403.png","measured":true,"step":67231,"globalStep":67231,"value_mean":0.17870447039604187,"value_positive_fraction":0.921875,"value_abs_mean":0.17870447039604187,"value_variance":0.038631830364465714,"value_stddev":0.19654981791973114,"value_min":0,"value_max":0.848596453666687,"value_range":0.848596453666687,"histogram_probability_sum":1,"histogram_entropy_bits":2.9088127613067627,"gradient_energy_x":0.00812729075551033,"gradient_energy_y":0.003661719150841236,"gradient_magnitude_mean":0.0667370930314064,"gradient_axis_bias":0.37879106402397156,"gradient_nonzero_flag":1,"laplacian_mean":0.00013227065210230649,"laplacian_energy":0.013369766995310783,"laplacian_abs_mean":0.040479693561792374,"gradient_magnitude_variance":0.007335407193750143,"gradient_magnitude_stddev":0.08564699441194534,"gradient_magnitude_cv":1.2833491563796997,"gradient_magnitude_max":0.7812519073486328,"gradient_energy_over_variance":0.30516311526298523,"laplacian_energy_over_variance":0.34608161449432373,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.018993809819221497,"scale_diff2_mid":0.08317440748214722,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.4916621744632721,"scale_diff2_mid_over_variance":2.1530020236968994,"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],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.3828125,0.3828125,0.3828125],[0.125,0.125,0.125],[0.125,0.125,0.125],[0.1015625,0.1015625,0.1015625],[0.0703125,0.0703125,0.0703125],[0.03125,0.03125,0.03125],[0.0546875,0.0546875,0.0546875],[0.015625,0.015625,0.015625],[0.0234375,0.0234375,0.0234375],[0.0234375,0.0234375,0.0234375],[0.0234375,0.0234375,0.0234375],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.018993809819221497,0.4916621744632721],[0.0625,0.08317440748214722,2.1530020236968994],[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\",\"6\",\"19\"]"}