{"collection":"grad-noise-175k","coord":"t19_x15_u4_b41","data":{"index":149877,"ordinal":"154898279","topo":"o2(x,o2(o1(x),x))","expression":"div(D,min(cil(R),P))","image":"frame_expr-149877.png","measured":true,"step":79023,"globalStep":79023,"value_mean":-0.496090292930603,"value_positive_fraction":0.287109375,"value_abs_mean":0.5735285878181458,"value_variance":0.31365343928337097,"value_stddev":0.5600476861000061,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.8547824621200562,"gradient_energy_x":0.017704227939248085,"gradient_energy_y":0.013421661220490932,"gradient_magnitude_mean":0.022902630269527435,"gradient_axis_bias":0.13758857548236847,"gradient_nonzero_flag":1,"laplacian_mean":0.000028491422199294902,"laplacian_energy":0.06475076824426651,"laplacian_abs_mean":0.037435658276081085,"gradient_magnitude_variance":0.030595825985074043,"gradient_magnitude_stddev":0.17491662502288818,"gradient_magnitude_cv":7.63740348815918,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.09923655539751053,"laplacian_energy_over_variance":0.20644047856330872,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.029169492423534393,"scale_diff2_mid":0.12600381672382355,"scale_diff2_far":0.30756500363349915,"scale_diff2_near_over_variance":0.09299911558628082,"scale_diff2_mid_over_variance":0.40172943472862244,"scale_diff2_far_over_variance":0.9805886149406433,"value_histogram":[[[0.53125,0.53125,0.53125],[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],[0.000732421875,0.000732421875,0.000732421875],[0.000732421875,0.000732421875,0.000732421875],[0.18017578125,0.18017578125,0.18017578125],[0.20751953125,0.20751953125,0.20751953125],[0.028076171875,0.028076171875,0.028076171875],[0.016357421875,0.016357421875,0.016357421875],[0.0078125,0.0078125,0.0078125],[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],[0.02734375,0.02734375,0.02734375]]],"scale_curve":[[[0.015625,0.029169492423534393,0.09299911558628082],[0.0625,0.12600381672382355,0.40172943472862244],[0.25,0.30756500363349915,0.9805886149406433]]]},"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\",\"15\",\"4\",\"41\"]"}