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add vposer based initialization

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This commit is contained in:
Wlad 2021-02-02 14:38:54 +01:00
parent a9e7f221cc
commit acbd831059
1 changed files with 25 additions and 2 deletions
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27
model.py
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@ -1,7 +1,9 @@
import matplotlib.pyplot as plt
import torch
import numpy as np
import smplx
from human_body_prior.body_model.body_model_vposer import BodyModelWithPoser
from human_body_prior.tools.model_loader import load_vposer
class VPoserModel():
@ -17,7 +19,8 @@ class VPoserModel():
sample_shape=False,
sample_expression=False,
num_expression_coeffs=10,
use_face_contour=False
use_face_contour=False,
use_vposer=True
):
self.vposer_model_path = vposer_model_path
self.model_type = model_type
@ -29,10 +32,12 @@ class VPoserModel():
self.sample_expression = sample_expression
self.num_expression_coeffs = num_expression_coeffs
self.create_body_pose = create_body_pose
self.use_vposer = use_vposer
self.create_model()
def create_model(self):
self.model = BodyModelWithPoser(
bm_path="./models/smplx/SMPLX_MALE.npz",
batch_size=1,
@ -62,7 +67,9 @@ class SMPLyModel():
sample_expression=True,
num_expression_coeffs=10,
plotting_module='pyrender',
use_face_contour=False
use_face_contour=False,
use_vposer_init=False,
device=torch.device('cpu')
):
self.model_folder = model_folder
self.model_type = model_type
@ -76,12 +83,28 @@ class SMPLyModel():
self.plotting_module = plotting_module
self.use_face_contour = use_face_contour
self.create_body_pose = create_body_pose
self.use_vposer_init = use_vposer_init
self.device = device
def create_model(self):
initial_pose = None
if self.use_vposer_init:
# sample a valid human shape via vposer
vp, ps = load_vposer("./vposer_v1_0")
vp = vp.to(device=self.device)
self.vp = vp
self.vposer_sample = torch.from_numpy(
np.random.randn(1, 32).astype(np.float32)).to(device=self.device)
# sample SMPL body pose from vposer
initial_pose = self.vp.decode(
self.vposer_sample, output_type='aa').view(-1, 63)
self.model = smplx.create(
self.model_folder,
model_type=self.model_type,
gender=self.gender,
body_pose=initial_pose,
use_face_contour=self.use_face_contour,
create_body_pose=self.create_body_pose,
num_betas=self.num_betas,