{"collection":"grad-noise-175k","coord":"t20_x43_u0_b145","data":{"index":168304,"ordinal":"164149408","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,mlt(mlt(D,R),D))","image":"frame_expr-168304.png","measured":true,"step":54839,"globalStep":54839,"value_mean":-0.0010689124464988708,"value_positive_fraction":0.4962921142578125,"value_abs_mean":0.10363505035638809,"value_variance":0.014131847769021988,"value_stddev":0.11887744814157486,"value_min":-0.29582783579826355,"value_max":0.3014894723892212,"value_range":0.5973173379898071,"histogram_probability_sum":1,"histogram_entropy_bits":2.898566246032715,"gradient_energy_x":0.0018206782406195998,"gradient_energy_y":0.00004874929436482489,"gradient_magnitude_mean":0.03903406113386154,"gradient_axis_bias":0.9478457570075989,"gradient_nonzero_flag":1,"laplacian_mean":0.0000206734002858866,"laplacian_energy":0.0002926129673141986,"laplacian_abs_mean":0.015329436399042606,"gradient_magnitude_variance":0.0003457788552623242,"gradient_magnitude_stddev":0.018595129251480103,"gradient_magnitude_cv":0.4763821065425873,"gradient_magnitude_max":0.07713502645492554,"gradient_energy_over_variance":0.1322847157716751,"laplacian_energy_over_variance":0.020705923438072205,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.00358713511377573,"scale_diff2_mid":0.0254511795938015,"scale_diff2_far":0.00573001429438591,"scale_diff2_near_over_variance":0.2538334131240845,"scale_diff2_mid_over_variance":1.8009803295135498,"scale_diff2_far_over_variance":0.4054681658744812,"value_histogram":[[[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],[0.003143310546875,0.003143310546875,0.003143310546875],[0.041778564453125,0.041778564453125,0.041778564453125],[0.139617919921875,0.139617919921875,0.139617919921875],[0.186279296875,0.186279296875,0.186279296875],[0.1327667236328125,0.1327667236328125,0.1327667236328125],[0.132904052734375,0.132904052734375,0.132904052734375],[0.189178466796875,0.189178466796875,0.189178466796875],[0.1331939697265625,0.1331939697265625,0.1331939697265625],[0.03375244140625,0.03375244140625,0.03375244140625],[0.00738525390625,0.00738525390625,0.00738525390625],[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":[[[0.015625,0.00358713511377573,0.2538334131240845],[0.0625,0.0254511795938015,1.8009803295135498],[0.25,0.00573001429438591,0.4054681658744812]]]},"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\",\"43\",\"0\",\"145\"]"}