Serialization format

The DoubleParameter sliders are not serialized with the rigth format. { "amplitude": 6, "otsu": 1, "island": 5, "xyBlur": 5, "zBlur": 1, "c1": 0.7059748427672956, "r1": 10, "st1": 0.7059748427672956, "c2": 0.910377358490566, "r2": 5, "st2": 0.1, "surfaceSize": 0.05, "delta1": 1, "delta2": 1, "method": "MIP" }