{"collection":"grad-noise-175k","coord":"t18_x52_u0_b154","data":{"index":130972,"ordinal":"148271824","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(D,div(R,add(R,D)))","image":"frame_expr-130972.png","measured":true,"step":76183,"globalStep":76183,"value_mean":-0.592420756816864,"value_positive_fraction":0.1504058837890625,"value_abs_mean":0.8006186485290527,"value_variance":0.3708266615867615,"value_stddev":0.6089553833007812,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":3.2408077716827393,"gradient_energy_x":0.3168688714504242,"gradient_energy_y":0.009215817786753178,"gradient_magnitude_mean":0.25506290793418884,"gradient_axis_bias":0.9434758424758911,"gradient_nonzero_flag":1,"laplacian_mean":-0.0017504424322396517,"laplacian_energy":0.7967336773872375,"laplacian_abs_mean":0.3953058421611786,"gradient_magnitude_variance":0.2610852122306824,"gradient_magnitude_stddev":0.5109649896621704,"gradient_magnitude_cv":2.0032899379730225,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.8793453574180603,"laplacian_energy_over_variance":2.148533821105957,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.26797953248023987,"scale_diff2_mid":0.5175882577896118,"scale_diff2_far":0.6616250276565552,"scale_diff2_near_over_variance":0.722654402256012,"scale_diff2_mid_over_variance":1.3957687616348267,"scale_diff2_far_over_variance":1.7841894626617432,"value_histogram":[[[0.486968994140625,0.486968994140625,0.486968994140625],[0.0505218505859375,0.0505218505859375,0.0505218505859375],[0.0322418212890625,0.0322418212890625,0.0322418212890625],[0.034027099609375,0.034027099609375,0.034027099609375],[0.02935791015625,0.02935791015625,0.02935791015625],[0.0287933349609375,0.0287933349609375,0.0287933349609375],[0.029693603515625,0.029693603515625,0.029693603515625],[0.0281219482421875,0.0281219482421875,0.0281219482421875],[0.02587890625,0.02587890625,0.02587890625],[0.0234375,0.0234375,0.0234375],[0.0191650390625,0.0191650390625,0.0191650390625],[0.01513671875,0.01513671875,0.01513671875],[0.0136260986328125,0.0136260986328125,0.0136260986328125],[0.012176513671875,0.012176513671875,0.012176513671875],[0.0109100341796875,0.0109100341796875,0.0109100341796875],[0.0095062255859375,0.0095062255859375,0.0095062255859375],[0.009002685546875,0.009002685546875,0.009002685546875],[0.0076446533203125,0.0076446533203125,0.0076446533203125],[0.007171630859375,0.007171630859375,0.007171630859375],[0.0069580078125,0.0069580078125,0.0069580078125],[0.005828857421875,0.005828857421875,0.005828857421875],[0.0048980712890625,0.0048980712890625,0.0048980712890625],[0.0045013427734375,0.0045013427734375,0.0045013427734375],[0.0041656494140625,0.0041656494140625,0.0041656494140625],[0.0042266845703125,0.0042266845703125,0.0042266845703125],[0.00360107421875,0.00360107421875,0.00360107421875],[0.0034942626953125,0.0034942626953125,0.0034942626953125],[0.0028533935546875,0.0028533935546875,0.0028533935546875],[0.0026397705078125,0.0026397705078125,0.0026397705078125],[0.0032806396484375,0.0032806396484375,0.0032806396484375],[0.0027008056640625,0.0027008056640625,0.0027008056640625],[0.0774688720703125,0.0774688720703125,0.0774688720703125]]],"scale_curve":[[[0.015625,0.26797953248023987,0.722654402256012],[0.0625,0.5175882577896118,1.3957687616348267],[0.25,0.6616250276565552,1.7841894626617432]]]},"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":"[\"18\",\"52\",\"0\",\"154\"]"}