{"collection":"grad-noise-175k","coord":"t19_x13_u3_b0","data":{"index":148021,"ordinal":"154817235","topo":"o2(x,o2(o1(x),x))","expression":"add(D,add(flr(D),D))","image":"frame_expr-148021.png","measured":true,"step":64175,"globalStep":64175,"value_mean":-0.44849124550819397,"value_positive_fraction":0.375,"value_abs_mean":0.5515324473381042,"value_variance":0.2606506645679474,"value_stddev":0.5105395913124084,"value_min":-1,"value_max":0.22320479154586792,"value_range":1.2232048511505127,"histogram_probability_sum":1,"histogram_entropy_bits":2.6556389331817627,"gradient_energy_x":0.08252035081386566,"gradient_energy_y":0,"gradient_magnitude_mean":0.15048280358314514,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-0.00022650301980320364,"laplacian_energy":0.12475000321865082,"laplacian_abs_mean":0.15524639189243317,"gradient_magnitude_variance":0.059890154749155045,"gradient_magnitude_stddev":0.24472464621067047,"gradient_magnitude_cv":1.62626314163208,"gradient_magnitude_max":1.06162691116333,"gradient_energy_over_variance":0.3165936768054962,"laplacian_energy_over_variance":0.47860994935035706,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.1034320816397667,"scale_diff2_mid":0.49133509397506714,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.39682263135910034,"scale_diff2_mid_over_variance":1.8850328922271729,"scale_diff2_far_over_variance":0,"value_histogram":[[[0.375,0.375,0.375],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0.125,0.125,0.125],[0,0,0],[0.125,0.125,0.125],[0.125,0.125,0.125],[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":[[[0.015625,0.1034320816397667,0.39682263135910034],[0.0625,0.49133509397506714,1.8850328922271729],[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\",\"0\"]"}