{"collection":"grad-noise-175k","coord":"t15_x4_u47_b8","data":{"index":72458,"ordinal":"121980074","topo":"o2(x,o1(o1(x)))","expression":"min(D,nrm(sgn(D)))","image":"frame_expr-072458.png","measured":true,"step":67671,"globalStep":67671,"value_mean":-0.212137371301651,"value_positive_fraction":0.4375,"value_abs_mean":0.29704421758651733,"value_variance":0.10485769063234329,"value_stddev":0.3238173723220825,"value_min":-0.7066951394081116,"value_max":0.14541596174240112,"value_range":0.8521111011505127,"histogram_probability_sum":1,"histogram_entropy_bits":3.327819585800171,"gradient_energy_x":0.037797607481479645,"gradient_energy_y":0,"gradient_magnitude_mean":0.10487935692071915,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-0.0002852407924365252,"laplacian_energy":0.06136682257056236,"laplacian_abs_mean":0.10307420790195465,"gradient_magnitude_variance":0.02680378220975399,"gradient_magnitude_stddev":0.16371861100196838,"gradient_magnitude_cv":1.5610183477401733,"gradient_magnitude_max":0.7376540899276733,"gradient_energy_over_variance":0.36046576499938965,"laplacian_energy_over_variance":0.5852391123771667,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.04530908912420273,"scale_diff2_mid":0.18847933411598206,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.43210074305534363,"scale_diff2_mid_over_variance":1.7974773645401,"scale_diff2_far_over_variance":0,"value_histogram":[[[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.125,0.125,0.125],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0.125,0.125,0.125],[0.125,0.125,0.125],[0.1875,0.1875,0.1875],[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":[[[0.015625,0.04530908912420273,0.43210074305534363],[0.0625,0.18847933411598206,1.7974773645401],[0.25,0,0]]]},"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":"[\"15\",\"4\",\"47\",\"8\"]"}