{"collection":"grad-noise-175k","coord":"t19_x25_u5_b88","data":{"index":158515,"ordinal":"155302537","topo":"o2(x,o2(o1(x),x))","expression":"min(R,add(sgn(R),D))","image":"frame_expr-158515.png","measured":true,"step":148127,"globalStep":148127,"value_mean":-0.27103209495544434,"value_positive_fraction":0.3841705322265625,"value_abs_mean":0.5885835886001587,"value_variance":0.37620264291763306,"value_stddev":0.6133536100387573,"value_min":-1,"value_max":0.9806010723114014,"value_range":1.9806010723114014,"histogram_probability_sum":1,"histogram_entropy_bits":4.543370723724365,"gradient_energy_x":0.005741606466472149,"gradient_energy_y":0.005972833838313818,"gradient_magnitude_mean":0.08585059642791748,"gradient_axis_bias":-0.019738662987947464,"gradient_nonzero_flag":1,"laplacian_mean":0.00007556546188425273,"laplacian_energy":0.0010354474652558565,"laplacian_abs_mean":0.02261214889585972,"gradient_magnitude_variance":0.0043444582261145115,"gradient_magnitude_stddev":0.06591250002384186,"gradient_magnitude_cv":0.7677581906318665,"gradient_magnitude_max":0.26279211044311523,"gradient_energy_over_variance":0.031138643622398376,"laplacian_energy_over_variance":0.002752366242930293,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.02354617789387703,"scale_diff2_mid":0.2898314297199249,"scale_diff2_far":0.718198835849762,"scale_diff2_near_over_variance":0.06258907914161682,"scale_diff2_mid_over_variance":0.7704130411148071,"scale_diff2_far_over_variance":1.9090744256973267,"value_histogram":[[[0.2142486572265625,0.2142486572265625,0.2142486572265625],[0.0532379150390625,0.0532379150390625,0.0532379150390625],[0.0547637939453125,0.0547637939453125,0.0547637939453125],[0.02587890625,0.02587890625,0.02587890625],[0.0278778076171875,0.0278778076171875,0.0278778076171875],[0.021942138671875,0.021942138671875,0.021942138671875],[0.0240325927734375,0.0240325927734375,0.0240325927734375],[0.0195770263671875,0.0195770263671875,0.0195770263671875],[0.02099609375,0.02099609375,0.02099609375],[0.0227508544921875,0.0227508544921875,0.0227508544921875],[0.0205535888671875,0.0205535888671875,0.0205535888671875],[0.0230712890625,0.0230712890625,0.0230712890625],[0.021209716796875,0.021209716796875,0.021209716796875],[0.0215911865234375,0.0215911865234375,0.0215911865234375],[0.0218353271484375,0.0218353271484375,0.0218353271484375],[0.0222320556640625,0.0222320556640625,0.0222320556640625],[0.0246734619140625,0.0246734619140625,0.0246734619140625],[0.030975341796875,0.030975341796875,0.030975341796875],[0.028533935546875,0.028533935546875,0.028533935546875],[0.0276336669921875,0.0276336669921875,0.0276336669921875],[0.0301666259765625,0.0301666259765625,0.0301666259765625],[0.03521728515625,0.03521728515625,0.03521728515625],[0.0343475341796875,0.0343475341796875,0.0343475341796875],[0.0300445556640625,0.0300445556640625,0.0300445556640625],[0.02813720703125,0.02813720703125,0.02813720703125],[0.02740478515625,0.02740478515625,0.02740478515625],[0.028350830078125,0.028350830078125,0.028350830078125],[0.021820068359375,0.021820068359375,0.021820068359375],[0.018035888671875,0.018035888671875,0.018035888671875],[0.010284423828125,0.010284423828125,0.010284423828125],[0.0067138671875,0.0067138671875,0.0067138671875],[0.001861572265625,0.001861572265625,0.001861572265625]]],"scale_curve":[[[0.015625,0.02354617789387703,0.06258907914161682],[0.0625,0.2898314297199249,0.7704130411148071],[0.25,0.718198835849762,1.9090744256973267]]]},"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\",\"5\",\"88\"]"}