{"collection":"grad-noise-175k","coord":"t20_x66_u0_b187","data":{"index":172969,"ordinal":"165078673","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(R,lrg(add(D,D),P))","image":"frame_expr-172969.png","measured":true,"step":92159,"globalStep":92159,"value_mean":-0.4047505259513855,"value_positive_fraction":0.22369384765625,"value_abs_mean":0.5788617134094238,"value_variance":0.27991124987602234,"value_stddev":0.5290663838386536,"value_min":-1,"value_max":0.980642557144165,"value_range":1.980642557144165,"histogram_probability_sum":1,"histogram_entropy_bits":4.376451015472412,"gradient_energy_x":0.006523317191749811,"gradient_energy_y":0.002409673761576414,"gradient_magnitude_mean":0.05742326378822327,"gradient_axis_bias":0.4605001211166382,"gradient_nonzero_flag":1,"laplacian_mean":0.00004753717075800523,"laplacian_energy":0.00846177339553833,"laplacian_abs_mean":0.02632148563861847,"gradient_magnitude_variance":0.00563537422567606,"gradient_magnitude_stddev":0.0750691294670105,"gradient_magnitude_cv":1.3072947263717651,"gradient_magnitude_max":1.014181137084961,"gradient_energy_over_variance":0.03191365674138069,"laplacian_energy_over_variance":0.03023020178079605,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.015398479998111725,"scale_diff2_mid":0.13455648720264435,"scale_diff2_far":0.32012203335762024,"scale_diff2_near_over_variance":0.05501201003789902,"scale_diff2_mid_over_variance":0.4807112514972687,"scale_diff2_far_over_variance":1.14365553855896,"value_histogram":[[[0.25067138671875,0.25067138671875,0.25067138671875],[0.0307769775390625,0.0307769775390625,0.0307769775390625],[0.0342559814453125,0.0342559814453125,0.0342559814453125],[0.0292510986328125,0.0292510986328125,0.0292510986328125],[0.030548095703125,0.030548095703125,0.030548095703125],[0.0323028564453125,0.0323028564453125,0.0323028564453125],[0.0344696044921875,0.0344696044921875,0.0344696044921875],[0.0387725830078125,0.0387725830078125,0.0387725830078125],[0.03857421875,0.03857421875,0.03857421875],[0.0388336181640625,0.0388336181640625,0.0388336181640625],[0.0404815673828125,0.0404815673828125,0.0404815673828125],[0.041290283203125,0.041290283203125,0.041290283203125],[0.04095458984375,0.04095458984375,0.04095458984375],[0.0373382568359375,0.0373382568359375,0.0373382568359375],[0.0317230224609375,0.0317230224609375,0.0317230224609375],[0.0260467529296875,0.0260467529296875,0.0260467529296875],[0.0218658447265625,0.0218658447265625,0.0218658447265625],[0.0210418701171875,0.0210418701171875,0.0210418701171875],[0.017669677734375,0.017669677734375,0.017669677734375],[0.0178680419921875,0.0178680419921875,0.0178680419921875],[0.0181121826171875,0.0181121826171875,0.0181121826171875],[0.01959228515625,0.01959228515625,0.01959228515625],[0.016326904296875,0.016326904296875,0.016326904296875],[0.01434326171875,0.01434326171875,0.01434326171875],[0.0130767822265625,0.0130767822265625,0.0130767822265625],[0.0137786865234375,0.0137786865234375,0.0137786865234375],[0.014801025390625,0.014801025390625,0.014801025390625],[0.0129852294921875,0.0129852294921875,0.0129852294921875],[0.0113677978515625,0.0113677978515625,0.0113677978515625],[0.00579833984375,0.00579833984375,0.00579833984375],[0.004425048828125,0.004425048828125,0.004425048828125],[0.0006561279296875,0.0006561279296875,0.0006561279296875]]],"scale_curve":[[[0.015625,0.015398479998111725,0.05501201003789902],[0.0625,0.13455648720264435,0.4807112514972687],[0.25,0.32012203335762024,1.14365553855896]]]},"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\",\"66\",\"0\",\"187\"]"}