Data fidelity term plateau

[gschlafly]

The loss function got stuck in a local minimum.

The reconstructed volume still looks fairly accurate:

Iteration parameters

{
    "n_epochs": 301,
    "azimuth_weight": 0.5,
    "regularization_weight": 0.1,
    "lr": 1e-3,
    "output_posfix": "",
    "loss_function": ""
}

Optical config parameters

{
    "volume_shape"      : [11, 21, 21],
    "axial_voxel_size_um"     : 1.0,
    "cube_voxels"       : true,
    "pixels_per_ml"     : 17,
    "n_micro_lenses"    : 1,
    "n_voxels_per_ml"   : 1,
    "M_obj"             : 60,
    "na_obj"            : 1.2,
    "n_medium"          : 1.35,
    "wavelength"        : 0.550,
    "camera_pix_pitch"  : 6.5,
    "polarizer"         : [[1, 0], [0, 1]],
    "analyzer"          : [[1, 0], [0, 1]],
    "polarizer_swing"   : 0.03
}