{"collection":"grad-noise-175k","coord":"t18_x52_u0_b171","data":{"index":130989,"ordinal":"148271841","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(D,pow(R,lrg(R,D)))","image":"frame_expr-130989.png","measured":true,"step":76319,"globalStep":76319,"value_mean":-0.8944975137710571,"value_positive_fraction":0,"value_abs_mean":0.8944975137710571,"value_variance":0.033195145428180695,"value_stddev":0.18219535052776337,"value_min":-1,"value_max":-0.0217775609344244,"value_range":0.9782224297523499,"histogram_probability_sum":1,"histogram_entropy_bits":2.0569424629211426,"gradient_energy_x":0.009177866391837597,"gradient_energy_y":0.001965874107554555,"gradient_magnitude_mean":0.037621740251779556,"gradient_axis_bias":0.6471787691116333,"gradient_nonzero_flag":1,"laplacian_mean":-0.000037404395698104054,"laplacian_energy":0.024260975420475006,"laplacian_abs_mean":0.049891915172338486,"gradient_magnitude_variance":0.009725337848067284,"gradient_magnitude_stddev":0.09861712157726288,"gradient_magnitude_cv":2.6212801933288574,"gradient_magnitude_max":1.260474681854248,"gradient_energy_over_variance":0.33570390939712524,"laplacian_energy_over_variance":0.7308591604232788,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.009539478458464146,"scale_diff2_mid":0.03429193049669266,"scale_diff2_far":0.058597132563591,"scale_diff2_near_over_variance":0.28737571835517883,"scale_diff2_mid_over_variance":1.0330405235290527,"scale_diff2_far_over_variance":1.765231966972351,"value_histogram":[[[0.66119384765625,0.66119384765625,0.66119384765625],[0.0546722412109375,0.0546722412109375,0.0546722412109375],[0.0645599365234375,0.0645599365234375,0.0645599365234375],[0.0435943603515625,0.0435943603515625,0.0435943603515625],[0.0390167236328125,0.0390167236328125,0.0390167236328125],[0.032318115234375,0.032318115234375,0.032318115234375],[0.027313232421875,0.027313232421875,0.027313232421875],[0.0200958251953125,0.0200958251953125,0.0200958251953125],[0.015838623046875,0.015838623046875,0.015838623046875],[0.0131683349609375,0.0131683349609375,0.0131683349609375],[0.0101165771484375,0.0101165771484375,0.0101165771484375],[0.00830078125,0.00830078125,0.00830078125],[0.0050048828125,0.0050048828125,0.0050048828125],[0.0029296875,0.0029296875,0.0029296875],[0.0012359619140625,0.0012359619140625,0.0012359619140625],[0.000640869140625,0.000640869140625,0.000640869140625],[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]]],"scale_curve":[[[0.015625,0.009539478458464146,0.28737571835517883],[0.0625,0.03429193049669266,1.0330405235290527],[0.25,0.058597132563591,1.765231966972351]]]},"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\",\"171\"]"}