{"collection":"grad-noise-175k","coord":"t13_x3_u40_b1","data":{"index":44115,"ordinal":"105697057","topo":"o1(o2(o1(x),x))","expression":"sgn(sub(sgn(D),P))","image":"frame_expr-044115.png","measured":true,"step":11887,"globalStep":11887,"value_mean":0,"value_positive_fraction":0.5,"value_abs_mean":0.898612380027771,"value_variance":0.8698458075523376,"value_stddev":0.9326552152633667,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":2.2908577919006348,"gradient_energy_x":0.02730610780417919,"gradient_energy_y":0,"gradient_magnitude_mean":0.03966056555509567,"gradient_axis_bias":0.9999999403953552,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.048472899943590164,"laplacian_abs_mean":0.037286028265953064,"gradient_magnitude_variance":0.02574199251830578,"gradient_magnitude_stddev":0.16044311225414276,"gradient_magnitude_cv":4.045406818389893,"gradient_magnitude_max":1.998835802078247,"gradient_energy_over_variance":0.031391892582178116,"laplacian_energy_over_variance":0.05572585016489029,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.040288008749485016,"scale_diff2_mid":0.1576347053050995,"scale_diff2_far":0.19794689118862152,"scale_diff2_near_over_variance":0.04631626233458519,"scale_diff2_mid_over_variance":0.18122142553329468,"scale_diff2_far_over_variance":0.2275654822587967,"value_histogram":[[[0.41015625,0.41015625,0.41015625],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.01171875,0.01171875,0.01171875],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.01171875,0.01171875,0.01171875],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.41015625,0.41015625,0.41015625]]],"scale_curve":[[[0.015625,0.040288008749485016,0.04631626233458519],[0.0625,0.1576347053050995,0.18122142553329468],[0.25,0.19794689118862152,0.2275654822587967]]]},"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":"[\"13\",\"3\",\"40\",\"1\"]"}