{"collection":"grad-noise-175k","coord":"t20_x31_u0_b105","data":{"index":165852,"ordinal":"163664556","topo":"o2(x,o2(o2(x,x),x))","expression":"add(D,dot(lrg(P,D),D))","image":"frame_expr-165852.png","measured":true,"step":35223,"globalStep":35223,"value_mean":-0.03575478866696358,"value_positive_fraction":0.437896728515625,"value_abs_mean":0.1623837649822235,"value_variance":0.037897080183029175,"value_stddev":0.19467172026634216,"value_min":-0.657302737236023,"value_max":0.43624788522720337,"value_range":1.093550682067871,"histogram_probability_sum":1,"histogram_entropy_bits":3.638590097427368,"gradient_energy_x":0.004173402674496174,"gradient_energy_y":0.0009024329483509064,"gradient_magnitude_mean":0.06354722380638123,"gradient_axis_bias":0.6444199085235596,"gradient_nonzero_flag":1,"laplacian_mean":0.0003163545043207705,"laplacian_energy":0.0007872135029174387,"laplacian_abs_mean":0.02356531471014023,"gradient_magnitude_variance":0.0010377205908298492,"gradient_magnitude_stddev":0.03221366927027702,"gradient_magnitude_cv":0.5069249272346497,"gradient_magnitude_max":0.1388309746980667,"gradient_energy_over_variance":0.13393737375736237,"laplacian_energy_over_variance":0.020772404968738556,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.010000965557992458,"scale_diff2_mid":0.0720033198595047,"scale_diff2_far":0.010002102702856064,"scale_diff2_near_over_variance":0.2638980448246002,"scale_diff2_mid_over_variance":1.8999700546264648,"scale_diff2_far_over_variance":0.26392805576324463,"value_histogram":[[[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.00048828125,0.00048828125,0.00048828125],[0.001190185546875,0.001190185546875,0.001190185546875],[0.005859375,0.005859375,0.005859375],[0.007568359375,0.007568359375,0.007568359375],[0.0311279296875,0.0311279296875,0.0311279296875],[0.0323638916015625,0.0323638916015625,0.0323638916015625],[0.081939697265625,0.081939697265625,0.081939697265625],[0.060211181640625,0.060211181640625,0.060211181640625],[0.117919921875,0.117919921875,0.117919921875],[0.09619140625,0.09619140625,0.09619140625],[0.1152801513671875,0.1152801513671875,0.1152801513671875],[0.1264190673828125,0.1264190673828125,0.1264190673828125],[0.094757080078125,0.094757080078125,0.094757080078125],[0.102325439453125,0.102325439453125,0.102325439453125],[0.04443359375,0.04443359375,0.04443359375],[0.06024169921875,0.06024169921875,0.06024169921875],[0.0112152099609375,0.0112152099609375,0.0112152099609375],[0.010467529296875,0.010467529296875,0.010467529296875],[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":[[[0.015625,0.010000965557992458,0.2638980448246002],[0.0625,0.0720033198595047,1.8999700546264648],[0.25,0.010002102702856064,0.26392805576324463]]]},"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\",\"31\",\"0\",\"105\"]"}