fit_exp.m
fit blendshapes of a known person to point cloud, solve for expression coefficients only
set 'seq_path', 'Pcloud_path', 'rig_path', 'out_path', 'pod_id' (make sure the landmark detection results are in 'out_path/detect_results.txt'
set start and end frame number at line 214
fit_id_exp_alter.m
solve for expression and identity coefficients simultaneously
mesh_stitch.m
set 'psr_path', 'fit_path', 'out_path' and frame numbers, need only the two meshes and suppData/contours.mat, output a zipped mesh in 'out_path/stitch_%d.obj'
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