{"collection":"grad-noise-175k","coord":"t19_x25_u1_b16","data":{"index":157959,"ordinal":"155301661","topo":"o2(x,o2(o1(x),x))","expression":"sub(R,mod(log(R),D))","image":"frame_expr-157959.png","measured":true,"step":143679,"globalStep":143679,"value_mean":-0.9270867705345154,"value_positive_fraction":0.04296875,"value_abs_mean":0.986975908279419,"value_variance":0.12040197104215622,"value_stddev":0.34698987007141113,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.4094134569168091,"gradient_energy_x":0.010780736804008484,"gradient_energy_y":0.012182331643998623,"gradient_magnitude_mean":0.01602933183312416,"gradient_axis_bias":-0.061036910861730576,"gradient_nonzero_flag":1,"laplacian_mean":-0.00004032369906781241,"laplacian_energy":0.04748964309692383,"laplacian_abs_mean":0.030207272619009018,"gradient_magnitude_variance":0.022698044776916504,"gradient_magnitude_stddev":0.15065869688987732,"gradient_magnitude_cv":9.398938179016113,"gradient_magnitude_max":2.6651713848114014,"gradient_energy_over_variance":0.19072003662586212,"laplacian_energy_over_variance":0.39442577958106995,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.018331820145249367,"scale_diff2_mid":0.08360380679368973,"scale_diff2_far":0.20354975759983063,"scale_diff2_near_over_variance":0.15225514769554138,"scale_diff2_mid_over_variance":0.6943723559379578,"scale_diff2_far_over_variance":1.6905848979949951,"value_histogram":[[[0.95703125,0.95703125,0.95703125],[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],[0.0001983642578125,0.0001983642578125,0.0001983642578125],[0.000518798828125,0.000518798828125,0.000518798828125],[0.0007781982421875,0.0007781982421875,0.0007781982421875],[0.0008087158203125,0.0008087158203125,0.0008087158203125],[0.0010528564453125,0.0010528564453125,0.0010528564453125],[0.0019989013671875,0.0019989013671875,0.0019989013671875],[0.002777099609375,0.002777099609375,0.002777099609375],[0.003448486328125,0.003448486328125,0.003448486328125],[0.0041046142578125,0.0041046142578125,0.0041046142578125],[0.0036773681640625,0.0036773681640625,0.0036773681640625],[0.004180908203125,0.004180908203125,0.004180908203125],[0.0038604736328125,0.0038604736328125,0.0038604736328125],[0.004241943359375,0.004241943359375,0.004241943359375],[0.005401611328125,0.005401611328125,0.005401611328125],[0.00592041015625,0.00592041015625,0.00592041015625]]],"scale_curve":[[[0.015625,0.018331820145249367,0.15225514769554138],[0.0625,0.08360380679368973,0.6943723559379578],[0.25,0.20354975759983063,1.6905848979949951]]]},"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\",\"25\",\"1\",\"16\"]"}