{"collection":"grad-noise-175k","coord":"t19_x15_u1_b39","data":{"index":149512,"ordinal":"154897674","topo":"o2(x,o2(o1(x),x))","expression":"div(D,lrg(log(R),P))","image":"frame_expr-149512.png","measured":true,"step":76103,"globalStep":76103,"value_mean":-0.5390625,"value_positive_fraction":0.23046875,"value_abs_mean":0.5825650095939636,"value_variance":0.25357335805892944,"value_stddev":0.5035606622695923,"value_min":-1,"value_max":0.14541596174240112,"value_range":1.145416021347046,"histogram_probability_sum":1,"histogram_entropy_bits":2.1761820316314697,"gradient_energy_x":0.006950396578758955,"gradient_energy_y":0.004727211315184832,"gradient_magnitude_mean":0.027171378955245018,"gradient_axis_bias":0.19038020074367523,"gradient_nonzero_flag":1,"laplacian_mean":-0.00013808727089781314,"laplacian_energy":0.023160871118307114,"laplacian_abs_mean":0.028776394203305244,"gradient_magnitude_variance":0.010937194339931011,"gradient_magnitude_stddev":0.10458104312419891,"gradient_magnitude_cv":3.8489413261413574,"gradient_magnitude_max":1.3704309463500977,"gradient_energy_over_variance":0.04605218768119812,"laplacian_energy_over_variance":0.09133794903755188,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.012830395251512527,"scale_diff2_mid":0.055509600788354874,"scale_diff2_far":0.17153078317642212,"scale_diff2_near_over_variance":0.05059835687279701,"scale_diff2_mid_over_variance":0.21890942752361298,"scale_diff2_far_over_variance":0.6764542460441589,"value_histogram":[[[0.5390625,0.5390625,0.5390625],[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],[0.08642578125,0.08642578125,0.08642578125],[0.08642578125,0.08642578125,0.08642578125],[0.0576171875,0.0576171875,0.0576171875],[0.0576171875,0.0576171875,0.0576171875],[0.08642578125,0.08642578125,0.08642578125],[0.08642578125,0.08642578125,0.08642578125],[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":[[[0.015625,0.012830395251512527,0.05059835687279701],[0.0625,0.055509600788354874,0.21890942752361298],[0.25,0.17153078317642212,0.6764542460441589]]]},"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\",\"1\",\"39\"]"}