{"collection":"grad-noise-175k","coord":"t20_x20_u0_b15","data":{"index":163551,"ordinal":"163220055","topo":"o2(x,o2(o2(x,x),x))","expression":"add(P,sub(pow(R,P),R))","image":"frame_expr-163551.png","measured":true,"step":16815,"globalStep":16815,"value_mean":-0.8688838481903076,"value_positive_fraction":0.0667572021484375,"value_abs_mean":0.9903600811958313,"value_variance":0.23203174769878387,"value_stddev":0.4816967248916626,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.5230228304862976,"gradient_energy_x":0.022273892536759377,"gradient_energy_y":0.02000458724796772,"gradient_magnitude_mean":0.02439710684120655,"gradient_axis_bias":0.05367518588900566,"gradient_nonzero_flag":1,"laplacian_mean":-0.000154798777657561,"laplacian_energy":0.08720430731773376,"laplacian_abs_mean":0.044543370604515076,"gradient_magnitude_variance":0.041665490716695786,"gradient_magnitude_stddev":0.20412126183509827,"gradient_magnitude_cv":8.366618156433105,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.18220987915992737,"laplacian_energy_over_variance":0.37582919001579285,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0392574742436409,"scale_diff2_mid":0.17534616589546204,"scale_diff2_far":0.5147122144699097,"scale_diff2_near_over_variance":0.16919009387493134,"scale_diff2_mid_over_variance":0.7556989789009094,"scale_diff2_far_over_variance":2.2182834148406982,"value_histogram":[[[0.927337646484375,0.927337646484375,0.927337646484375],[0.0001373291015625,0.0001373291015625,0.0001373291015625],[0.00006103515625,0.00006103515625,0.00006103515625],[0.000244140625,0.000244140625,0.000244140625],[0.0003814697265625,0.0003814697265625,0.0003814697265625],[0.000396728515625,0.000396728515625,0.000396728515625],[0.000396728515625,0.000396728515625,0.000396728515625],[0.000396728515625,0.000396728515625,0.000396728515625],[0.00042724609375,0.00042724609375,0.00042724609375],[0.000457763671875,0.000457763671875,0.000457763671875],[0.0005645751953125,0.0005645751953125,0.0005645751953125],[0.000396728515625,0.000396728515625,0.000396728515625],[0.000457763671875,0.000457763671875,0.000457763671875],[0.000579833984375,0.000579833984375,0.000579833984375],[0.000518798828125,0.000518798828125,0.000518798828125],[0.00048828125,0.00048828125,0.00048828125],[0.000457763671875,0.000457763671875,0.000457763671875],[0.0004425048828125,0.0004425048828125,0.0004425048828125],[0.00067138671875,0.00067138671875,0.00067138671875],[0.00042724609375,0.00042724609375,0.00042724609375],[0.00079345703125,0.00079345703125,0.00079345703125],[0.0008087158203125,0.0008087158203125,0.0008087158203125],[0.001007080078125,0.001007080078125,0.001007080078125],[0.0007171630859375,0.0007171630859375,0.0007171630859375],[0.0010528564453125,0.0010528564453125,0.0010528564453125],[0.0013275146484375,0.0013275146484375,0.0013275146484375],[0.0010223388671875,0.0010223388671875,0.0010223388671875],[0.00128173828125,0.00128173828125,0.00128173828125],[0.0009918212890625,0.0009918212890625,0.0009918212890625],[0.00079345703125,0.00079345703125,0.00079345703125],[0.0008697509765625,0.0008697509765625,0.0008697509765625],[0.0540924072265625,0.0540924072265625,0.0540924072265625]]],"scale_curve":[[[0.015625,0.0392574742436409,0.16919009387493134],[0.0625,0.17534616589546204,0.7556989789009094],[0.25,0.5147122144699097,2.2182834148406982]]]},"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\",\"20\",\"0\",\"15\"]"}