{"collection":"grad-noise-175k","coord":"t19_x25_u0_b19","data":{"index":157841,"ordinal":"155301463","topo":"o2(x,o2(o1(x),x))","expression":"sub(R,min(sqt(R),D))","image":"frame_expr-157841.png","measured":true,"step":142735,"globalStep":142735,"value_mean":0.012995514087378979,"value_positive_fraction":0.5023651123046875,"value_abs_mean":0.40042629837989807,"value_variance":0.22910062968730927,"value_stddev":0.47864457964897156,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":4.895349025726318,"gradient_energy_x":0.004450175911188126,"gradient_energy_y":0.0031895656138658524,"gradient_magnitude_mean":0.07512301206588745,"gradient_axis_bias":0.16500693559646606,"gradient_nonzero_flag":1,"laplacian_mean":0.000022589671061723493,"laplacian_energy":0.0006355340592563152,"laplacian_abs_mean":0.019381940364837646,"gradient_magnitude_variance":0.001996319741010666,"gradient_magnitude_stddev":0.044680193066596985,"gradient_magnitude_cv":0.5947604179382324,"gradient_magnitude_max":0.2560812532901764,"gradient_energy_over_variance":0.03334666043519974,"laplacian_energy_over_variance":0.0027740388177335262,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.01491812989115715,"scale_diff2_mid":0.1728024035692215,"scale_diff2_far":0.38979071378707886,"scale_diff2_near_over_variance":0.06511605530977249,"scale_diff2_mid_over_variance":0.7542641758918762,"scale_diff2_far_over_variance":1.7013951539993286,"value_histogram":[[[0.0164794921875,0.0164794921875,0.0164794921875],[0.010986328125,0.010986328125,0.010986328125],[0.01373291015625,0.01373291015625,0.01373291015625],[0.0171051025390625,0.0171051025390625,0.0171051025390625],[0.0210418701171875,0.0210418701171875,0.0210418701171875],[0.0228118896484375,0.0228118896484375,0.0228118896484375],[0.02520751953125,0.02520751953125,0.02520751953125],[0.032989501953125,0.032989501953125,0.032989501953125],[0.036041259765625,0.036041259765625,0.036041259765625],[0.03668212890625,0.03668212890625,0.03668212890625],[0.0401458740234375,0.0401458740234375,0.0401458740234375],[0.043060302734375,0.043060302734375,0.043060302734375],[0.04388427734375,0.04388427734375,0.04388427734375],[0.0468597412109375,0.0468597412109375,0.0468597412109375],[0.0452728271484375,0.0452728271484375,0.0452728271484375],[0.0452423095703125,0.0452423095703125,0.0452423095703125],[0.04498291015625,0.04498291015625,0.04498291015625],[0.038970947265625,0.038970947265625,0.038970947265625],[0.0391387939453125,0.0391387939453125,0.0391387939453125],[0.0413970947265625,0.0413970947265625,0.0413970947265625],[0.03948974609375,0.03948974609375,0.03948974609375],[0.0382232666015625,0.0382232666015625,0.0382232666015625],[0.03668212890625,0.03668212890625,0.03668212890625],[0.036956787109375,0.036956787109375,0.036956787109375],[0.0370330810546875,0.0370330810546875,0.0370330810546875],[0.0332183837890625,0.0332183837890625,0.0332183837890625],[0.029632568359375,0.029632568359375,0.029632568359375],[0.02337646484375,0.02337646484375,0.02337646484375],[0.0217132568359375,0.0217132568359375,0.0217132568359375],[0.0161895751953125,0.0161895751953125,0.0161895751953125],[0.012298583984375,0.012298583984375,0.012298583984375],[0.013153076171875,0.013153076171875,0.013153076171875]]],"scale_curve":[[[0.015625,0.01491812989115715,0.06511605530977249],[0.0625,0.1728024035692215,0.7542641758918762],[0.25,0.38979071378707886,1.7013951539993286]]]},"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\",\"25\",\"0\",\"19\"]"}