{"collection":"grad-noise-175k","coord":"t19_x13_u3_b101","data":{"index":148122,"ordinal":"154817336","topo":"o2(x,o2(o1(x),x))","expression":"dot(D,mlt(flr(D),D))","image":"frame_expr-148122.png","measured":true,"step":64983,"globalStep":64983,"value_mean":-0.11904007196426392,"value_positive_fraction":0,"value_abs_mean":0.11904007196426392,"value_variance":0.004036472178995609,"value_stddev":0.0635332390666008,"value_min":-0.24923916161060333,"value_max":-0.0005462862318381667,"value_range":0.24869287014007568,"histogram_probability_sum":1,"histogram_entropy_bits":1.9480029344558716,"gradient_energy_x":0.0003137364983558655,"gradient_energy_y":0.0003137298335786909,"gradient_magnitude_mean":0.023823952302336693,"gradient_axis_bias":0.000010621728506521322,"gradient_nonzero_flag":1,"laplacian_mean":0.00024046652833931148,"laplacian_energy":0.00009836265235207975,"laplacian_abs_mean":0.00810394436120987,"gradient_magnitude_variance":0.000059920021158177406,"gradient_magnitude_stddev":0.007740802131593227,"gradient_magnitude_cv":0.3249167799949646,"gradient_magnitude_max":0.03838038071990013,"gradient_energy_over_variance":0.15544919669628143,"laplacian_energy_over_variance":0.024368470534682274,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0012013025116175413,"scale_diff2_mid":0.007974977605044842,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.2976119816303253,"scale_diff2_mid_over_variance":1.9757295846939087,"scale_diff2_far_over_variance":0,"value_histogram":[[[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],[0.17578125,0.17578125,0.17578125],[0.26953125,0.26953125,0.26953125],[0.3515625,0.3515625,0.3515625],[0.203125,0.203125,0.203125],[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":[[[0.015625,0.0012013025116175413,0.2976119816303253],[0.0625,0.007974977605044842,1.9757295846939087],[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":"[\"19\",\"13\",\"3\",\"101\"]"}