Files
cvpr_2023/scripts/upscaler_train.py
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2023-05-22 00:14:18 +02:00

285 lines
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Python

import os
import sys
sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/..')
import importlib
import argparse
parser = argparse.ArgumentParser(description='')
parser.add_argument('--name', type=str)
parser.add_argument('--config', type=str)
parser.add_argument('--debug', action='store_true')
args = vars(parser.parse_args())
os.environ["CUDA_DEVICE_ORDER"]="PCI_BUS_ID"
os.environ["CUDA_VISIBLE_DEVICES"] = '7'
import time
import argparse
import wandb
import random
import numpy as np
import torch
# from torchmetrics import MultiScaleStructuralSimilarityIndexMeasure as MSSSIM
from custom_utils.custom_utils import UV2Mesh, get_summary_html, maskFacesBatch, get_summary_str
import plotly.graph_objects as go
import plotly.express as ex
import torch.optim as optim
import torch.nn.functional as F
from data.dataset import Dataset
# from torch.utils.data import DataLoader
from custom_utils.custom_utils import plot_3d
from models.upscaler import Upscaler
from utils.checkpoints import CheckpointSaver, load_model
from custom_utils.custom_utils import Accumulator
from utils.utils import InfiniteDataLoader as DataLoader
from pytorch_msssim import MS_SSIM
low_res = 64
is_skirt = False
is_cape = True
is_male = True
skirt_modifier = '_skirt' if is_skirt else ''
cape_modifier = '_cape' if is_cape else ''
gender_modifier = '' if not is_cape else ('_m' if is_male else '_f')
smpl_res = 3638 if is_cape else 14475
use_cache = False
name=f'iccv_{low_res}' + skirt_modifier + cape_modifier + gender_modifier
if not is_skirt:
train_dir = '/data-local/127/train'
valid_dir = '/data-local/127/valid'
else:
train_dir = '/data-local/128/train_skirt'
valid_dir = '/data-local/127/valid_skirt'
if is_cape:
if is_male:
train_dir = '/data-local/127/cape_processed/train/male'
valid_dir = '/data-local/127/cape_processed/test/male'
else:
train_dir = '/data-local/127/cape_processed/train/female'
valid_dir = '/data-local/127/cape_processed/test/female'
def init_wandb():
run = wandb.init(project='upscale', name=name, notes='', dir='/data-local/127/temp', tags=['upscaler', 'iccv'])
artifact = wandb.Artifact('code', type='code')
artifact.add_file('scripts/upscaler_train.py')
artifact.add_file('losses/losses.py')
artifact.add_file('data/dataset.py')
config_file_names = [key for key in sys.modules.keys() if key.startswith('configs.')]
for config_file_name in config_file_names:
file_name = '/'.join(config_file_name.split('.')) + '.py'
if os.path.exists(file_name):
artifact.add_file(file_name)
run.log_artifact(artifact)
uv2mesh = UV2Mesh(res=256, is_skirt=is_skirt, is_smpl_orig=is_cape)
def plot_3d(mesh_gt, mesh_pred_unposed, faces):
mesh_pred_unposed[:,2] += 1
fig = go.Figure(data=[
go.Mesh3d(
# 8 vertices of a cube
x=mesh_gt[:,0],
y=mesh_gt[:,2],
z=mesh_gt[:,1],
# i, j and k give the vertices of triangles
i = faces[:,0],
j = faces[:,1],
k = faces[:,2]
),
go.Mesh3d(
# 8 vertices of a cube
x=mesh_pred_unposed[:,0],
y=mesh_pred_unposed[:,2],
z=mesh_pred_unposed[:,1],
# i, j and k give the vertices of triangles
i = faces[:,0],
j = faces[:,1],
k = faces[:,2],
)
])
fig.update_layout(scene_aspectmode='manual',
scene_aspectratio=dict(x=1, y=2, z=1))
fig.update_layout(
scene = dict(
xaxis = dict(nticks=4, range=[-1,1],),
yaxis = dict(nticks=4, range=[-1,3],),
zaxis = dict(nticks=4, range=[-1,1],),)
)
return fig
def train_step(batch):
model.train()
with torch.autocast(device_type='cuda', dtype=torch.float16, enabled=use_amp):
pred = model([batch['uv_unposed' + low_resolution_modifier], batch['uv_mask' + low_resolution_modifier]])
pred = F.interpolate(pred, size=(512, 256), mode='bilinear')
l1_loss = torch.mean(torch.sum(torch.abs(batch['uv_unposed'] - pred * batch['uv_mask'].unsqueeze(1)), dim=-1))
if low_res == 32:
ms_ssim = torch.mean(_MSSSIM_small(pred * batch['uv_mask'].unsqueeze(1) + 1, batch['uv_unposed'] * batch['uv_mask'].unsqueeze(1) + 1))
else:
ms_ssim = torch.mean(_MSSSIM(pred * batch['uv_mask'].unsqueeze(1) + 1, batch['uv_unposed'] * batch['uv_mask'].unsqueeze(1) + 1))
loss = 1e3 * (1 - ms_ssim)
scaler.scale(loss).backward()
scaler.step(optimizer)
scaler.update()
optimizer.zero_grad()
model.eval()
with torch.inference_mode():
mesh_pred = uv2mesh(pred)
mesh_orig = batch['mesh_unposed']
metric = torch.sum(torch.sqrt(torch.sum(batch['mesh_mask'].unsqueeze(2) * (mesh_orig - mesh_pred) ** 2, dim=-1))) / torch.sum(batch['mesh_mask'])
return { 'train/loss': loss, 'train/l1_loss': l1_loss, 'train/euclid_error': metric, 'train/ms_ssim': ms_ssim, }
def valid_step(batch):
model.eval()
with torch.inference_mode():
pred = model([batch['uv_unposed' + low_resolution_modifier], batch['uv_mask' + low_resolution_modifier]])
pred = F.interpolate(pred, size=(512, 256), mode='bilinear')
l1_loss = torch.mean(torch.sum(torch.abs(batch['uv_unposed'] - pred * batch['uv_mask'].unsqueeze(1)), dim=-1))
if low_res == 32:
ms_ssim = torch.mean(_MSSSIM_small(pred * batch['uv_mask'].unsqueeze(1) + 1, batch['uv_unposed'] * batch['uv_mask'].unsqueeze(1) + 1))
else:
ms_ssim = torch.mean(_MSSSIM(pred * batch['uv_mask'].unsqueeze(1) + 1, batch['uv_unposed'] * batch['uv_mask'].unsqueeze(1) + 1))
loss = 1e3 * (1 - ms_ssim)
mesh_pred = uv2mesh(pred)
mesh_orig = batch['mesh_unposed']
metric = torch.sum(torch.sqrt(torch.sum(batch['mesh_mask'].unsqueeze(2) * (mesh_orig - mesh_pred) ** 2, dim=-1))) / torch.sum(batch['mesh_mask'])
return { 'valid/loss': loss, 'valid/l1_loss': l1_loss, 'valid/euclid_error': metric, 'valid/ms_ssim': ms_ssim, }
def plot_everything(batch: dict, type: str):
model.eval()
with torch.inference_mode():
pred = model([batch['uv_unposed' + low_resolution_modifier], batch['uv_mask' + low_resolution_modifier]])
pred = F.interpolate(pred, size=(512, 256), mode='bilinear')
mesh_pred = uv2mesh(pred)
mesh_orig = batch['mesh_unposed']
_F = np.load("smpl/smpl_faces" + skirt_modifier + ("_orig" if is_cape else "") + ".npy")
mask = batch['mesh_mask'].cpu().numpy().astype(bool)
garment_unposed, faces = maskFacesBatch(mesh_pred.cpu().numpy(), _F, mask)
# gt = [mesh_orig[i].numpy()[mask[i], :] for i in range(pred.shape[0])]
gt = [mesh_orig[i].cpu().numpy()[mask[i], :] for i in range(pred.shape[0])]
figs = { type + "/garment_" + str(i): plot_3d(gt[i], garment_unposed[i], faces[i]) for i in range(4) }
# figs = { type + "/garment_" + str(i): plot_3d(gt[i], garment_unposed[i], faces[i], collision[i], collision_faces[i], collision_color[i]) for i in range(4) }
orig_img = batch['uv_unposed']
img = torch.concat((orig_img, pred), axis=2)
imgs = [wandb.Image((img[i] + 1) / 2.0) for i in range(4)]
return { **figs, **{ type + '/images': imgs} }
def train():
global step
valid_iterator = iter(valid_dataloader)
for batch in train_dataloader:
train_loss = train_step(batch)
train_accumulator.update(train_loss)
if step % 25 == 0:
data_valid = next(valid_iterator)
valid_loss = valid_step(data_valid)
valid_accumulator.update(valid_loss)
if step % 1000 == 0 or (step < 1000 and step % 1000 == 0):
to_log = dict({ **train_loss, **valid_loss, **{ 'current_step': step } })
if step % 5000 == 0 or (step < 5000 and step % 1000 == 0):
train_figs = plot_everything(batch, 'train')
valid_figs = plot_everything(data_valid, 'valid')
to_log = { **to_log, **train_figs, **valid_figs }
if step == 0:
to_log = { **to_log, **{ 'model/summary': wandb.Html(get_summary_html(model)) } }
if not args['debug']:
wandb.log(to_log, step=step)
train_accumulator.reset()
valid_accumulator.reset()
print(step)
if step % 10000 == 0:
ckpt_saver(model, step, optimizer, scaler)
step += 1
if __name__ == '__main__':
if not args['debug']:
init_wandb()
use_amp = True
uv_mask_body = torch.ones((low_res, low_res//2), device='cuda')
low_resolution_modifier = '_' + str(low_res)
signature = { 'id', 'frame_nr',
'pose_shape',
'uv_unposed' + low_resolution_modifier,
'uv_unposed',
'mesh_unposed',
'mesh_posed',
'mesh_mask',
'uv_mask',
'uv_mask' + low_resolution_modifier,
}
# dataset = Dataset('/data-local/127/train', config['signature'], resolutions=[512], device=device, frames_file='frames_jumpsuit.txt')
dataset_train = Dataset(train_dir, device='cuda', use_cache=use_cache, signature=signature, frames_file=None, resolutions=[512, low_res], is_cape=is_cape)
dataset_valid = Dataset(valid_dir, device='cuda', use_cache=use_cache, signature=signature, frames_file=None, resolutions=[512, low_res], is_cape=is_cape)
train_dataloader = DataLoader(dataset_train, batch_size=4, drop_last=True, shuffle=True)
valid_dataloader = DataLoader(dataset_valid, batch_size=4, drop_last=True, shuffle=True)
train_accumulator = Accumulator()
valid_accumulator = Accumulator()
if low_res == 32 or low_res == 64:
kernel_size = 3
elif low_res == 128 or low_res == 256:
kernel_size = 5
else:
kernel_size = 7
model : Upscaler = Upscaler(kernel_size=kernel_size).to('cuda')
optimizer = optim.Adam(model.parameters(), lr=0.0001)
scaler = torch.cuda.amp.GradScaler(enabled=use_amp)
# _MSSSIM = MSSSIM(data_range=2).to(config['device'])
_MSSSIM = MS_SSIM(data_range=2, size_average=True, channel=3, weights=[0.5, 0.2, 0.2, 0.1])
_MSSSIM_small = MS_SSIM(data_range=2, size_average=True, channel=3, weights=[1.0])
step = 0
ckpt_saver = CheckpointSaver('checkpoints/iccv/torch/' + name, top_n=5)
print(f'started training: {name}')
if not args['debug']:
# model = torch.compile(model)
wandb.watch(model, log='all', log_freq=1000, log_graph=True)
train()