{"collection":"grad-noise-175k","coord":"t20_x76_u0_b15","data":{"index":174807,"ordinal":"165482511","topo":"o2(x,o2(o2(x,x),x))","expression":"add(R,sub(pow(R,D),D))","image":"frame_expr-174807.png","measured":true,"step":106863,"globalStep":106863,"value_mean":-0.9143837094306946,"value_positive_fraction":0.04296875,"value_abs_mean":0.9996786713600159,"value_variance":0.16337355971336365,"value_stddev":0.4041949510574341,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.26849502325057983,"gradient_energy_x":0.016897793859243393,"gradient_energy_y":0.016200831159949303,"gradient_magnitude_mean":0.01663045398890972,"gradient_axis_bias":0.02105715125799179,"gradient_nonzero_flag":1,"laplacian_mean":0.00000576968204768491,"laplacian_energy":0.06934398412704468,"laplacian_abs_mean":0.033307988196611404,"gradient_magnitude_variance":0.03281073272228241,"gradient_magnitude_stddev":0.1811373233795166,"gradient_magnitude_cv":10.891904830932617,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.20259474217891693,"laplacian_energy_over_variance":0.42445048689842224,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.025209220126271248,"scale_diff2_mid":0.1086052805185318,"scale_diff2_far":0.27275824546813965,"scale_diff2_near_over_variance":0.1543041616678238,"scale_diff2_mid_over_variance":0.6647666096687317,"scale_diff2_far_over_variance":1.6695373058319092,"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],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.000091552734375,0.000091552734375,0.000091552734375],[0.00042724609375,0.00042724609375,0.00042724609375],[0.0003204345703125,0.0003204345703125,0.0003204345703125],[0.0005035400390625,0.0005035400390625,0.0005035400390625],[0.00018310546875,0.00018310546875,0.00018310546875],[0.04144287109375,0.04144287109375,0.04144287109375]]],"scale_curve":[[[0.015625,0.025209220126271248,0.1543041616678238],[0.0625,0.1086052805185318,0.6647666096687317],[0.25,0.27275824546813965,1.6695373058319092]]]},"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\",\"76\",\"0\",\"15\"]"}