{"collection":"grad-noise-175k","coord":"t20_x52_u0_b125","data":{"index":170093,"ordinal":"164512997","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,add(pow(R,R),D))","image":"frame_expr-170093.png","measured":true,"step":69151,"globalStep":69151,"value_mean":-0.9905880093574524,"value_positive_fraction":0,"value_abs_mean":0.9905880093574524,"value_variance":0.002140122465789318,"value_stddev":0.04626145586371422,"value_min":-1,"value_max":-0.6922652125358582,"value_range":0.30773478746414185,"histogram_probability_sum":1,"histogram_entropy_bits":0.32857877016067505,"gradient_energy_x":0.0002396882773609832,"gradient_energy_y":0.00022735622769687325,"gradient_magnitude_mean":0.0022676580119878054,"gradient_axis_bias":0.02640444226562977,"gradient_nonzero_flag":1,"laplacian_mean":-0.0000030320165933517274,"laplacian_energy":0.000967904576100409,"laplacian_abs_mean":0.0038065873086452484,"gradient_magnitude_variance":0.0004621338448487222,"gradient_magnitude_stddev":0.021497298032045364,"gradient_magnitude_cv":9.479955673217773,"gradient_magnitude_max":0.4352027177810669,"gradient_energy_over_variance":0.21823260188102722,"laplacian_energy_over_variance":0.45226597785949707,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0003564403741620481,"scale_diff2_mid":0.0015098211588338017,"scale_diff2_far":0.003581718076020479,"scale_diff2_near_over_variance":0.1665513813495636,"scale_diff2_mid_over_variance":0.7054834961891174,"scale_diff2_far_over_variance":1.6736042499542236,"value_histogram":[[[0.957763671875,0.957763671875,0.957763671875],[0.0031890869140625,0.0031890869140625,0.0031890869140625],[0.0082244873046875,0.0082244873046875,0.0082244873046875],[0.0156707763671875,0.0156707763671875,0.0156707763671875],[0.0151519775390625,0.0151519775390625,0.0151519775390625],[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],[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":[[[0.015625,0.0003564403741620481,0.1665513813495636],[0.0625,0.0015098211588338017,0.7054834961891174],[0.25,0.003581718076020479,1.6736042499542236]]]},"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":"[\"20\",\"52\",\"0\",\"125\"]"}