lot of things
This commit is contained in:
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import os
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import time
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import argparse
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import wandb
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import random
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import numpy as np
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import scipy as sp
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import tensorflow as tf
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from custom_utils.custom_utils import UV2Mesh, maskFacesBatch
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from tensorboardX import SummaryWriter
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import plotly.graph_objects as go
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import plotly.express as ex
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from utils import str_to_bool
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from tf_utils import check_tf_version, allow_memory_growth, split_gpu_for_testing
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from load_models import load_generator, load_discriminator
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from losses import d_logistic, d_logistic_r1_reg, g_logistic_non_saturating, g_logistic_ns_pathreg, edge_loss, uv_mask_loss, bend_loss
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# from losses import collision_penalty as collision_penalty
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from losses import collision_loss as collision_penalty
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from convnext.models.convnext_tf import ConvNeXt, ConvNeXtReverse, Block
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from stylegan2_ae.generator import Generator
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from custom_utils.graph_utils import Reconstructor_V4_Decoder as GNNDecoder, sparse_to_tensor
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from custom_utils.graph_utils import Reconstructor_v2 as SimpleReconstructor
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from dataset import DatasetFactory, StaticDataset
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from custom_utils.custom_utils import batch_to_dict
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from custom_utils.smpl import SMPL
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name='vae_11'
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os.environ["CUDA_VISIBLE_DEVICES"] = "1"
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run = wandb.init(project='vae', name=name,
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notes='vae, ms_ssim with range 3. with l1 loss, larger latent_dim=1024. 4 dowscaling steps, 4 upscaling, the image resize for final resolution. upscale from 256*128')
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artifact = wandb.Artifact('code', type='code')
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artifact.add_file('vae.py')
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artifact.add_file('dataset.py')
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artifact.add_file('losses.py')
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artifact.add_file('convnext/models/convnext_tf.py')
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run.log_artifact(artifact)
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uv2mesh = UV2Mesh(res=256)
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def plot_3d(mesh_gt, mesh_pred_unposed, faces, collision, collision_faces, collision_color):
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mesh_pred_unposed[:,1] += 1
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collision[:,1] += 2
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fig = go.Figure(data=[
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go.Mesh3d(
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# 8 vertices of a cube
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x=mesh_gt[:,0],
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y=mesh_gt[:,1],
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z=mesh_gt[:,2],
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# i, j and k give the vertices of triangles
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i = faces[:,0],
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j = faces[:,1],
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k = faces[:,2]
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),
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go.Mesh3d(
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# 8 vertices of a cube
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x=mesh_pred_unposed[:,0],
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y=mesh_pred_unposed[:,1],
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z=mesh_pred_unposed[:,2],
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# i, j and k give the vertices of triangles
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i = faces[:,0],
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j = faces[:,1],
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k = faces[:,2],
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),
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go.Mesh3d(
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# 8 vertices of a cube
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x=collision[:,0],
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y=collision[:,1],
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z=collision[:,2],
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# i, j and k give the vertices of triangles
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i = collision_faces[:,0],
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j = collision_faces[:,1],
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k = collision_faces[:,2],
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vertexcolor=collision_color
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)
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])
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fig.update_layout(scene_aspectmode='manual',
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scene_aspectratio=dict(x=1, y=2, z=1))
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fig.update_layout(
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scene = dict(
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xaxis = dict(nticks=4, range=[-1,1],),
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yaxis = dict(nticks=4, range=[-1,3],),
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zaxis = dict(nticks=4, range=[-1,1],),)
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)
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return fig
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class Bottleneck(tf.keras.Model):
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def __init__(self, dim):
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super(Bottleneck, self).__init__()
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self.bottleneck = tf.keras.Sequential(
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[Block(dim=dim, drop_path=0,
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layer_scale_init_value=1e-6, prefix=f'bottleneck{j}') for j in range(5)]
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)
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def call(self, inputs, training=None):
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x = inputs
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x = self.bottleneck(x, training=training)
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return x
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class Encoder(tf.keras.Model):
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def __init__(self, latent_dim):
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super(Encoder, self).__init__()
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self.encoder = ConvNeXt(depths=[3, 3, 9, 3], dims=[32, 64, 128, 128], include_top=False)
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self.flatten = tf.keras.layers.Flatten()
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self.mean = tf.keras.layers.Dense(latent_dim)
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self.log_var = tf.keras.layers.Dense(latent_dim)
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def call(self, inputs, training=None):
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x = inputs
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x = self.encoder(x)
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x = self.flatten(x)
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mean = self.mean(x)
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log_var = self.log_var(x)
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return mean, log_var
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class Decoder(tf.keras.Model):
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def __init__(self):
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super(Decoder, self).__init__()
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self.dense = tf.keras.layers.Dense(8 * 4 * 512)
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self.reshape = tf.keras.layers.Reshape((8, 4, 512))
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self.decoder = ConvNeXtReverse(depths=list(reversed([3, 3, 9, 3])), dims=list(reversed([128, 128, 64, 16])))
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def call(self, inputs, training=None):
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x = inputs
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x = self.dense(x)
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x = self.reshape(x)
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x = self.decoder(x)
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return x
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class VAE(tf.keras.Model):
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def __init__(self, latent_dim=1024):
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super(VAE, self).__init__()
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self.encoder = Encoder(latent_dim)
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self.decoder = Decoder()
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@tf.function
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def sample(self, eps=None):
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if eps is None:
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eps = tf.random.normal(shape=(4, self.latent_dim))
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return self.decode(eps, apply_sigmoid=True)
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def reparameterize(self, mean, logvar):
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eps = tf.random.normal(shape=mean.shape)
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return eps * tf.exp(logvar * .5) + mean
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def decode(self, z, apply_sigmoid=False):
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logits = self.decoder(z)
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if apply_sigmoid:
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probs = tf.sigmoid(logits)
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return probs
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return logits
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def call(self, inputs, training=None):
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x, uv_mask = inputs
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x = tf.transpose(x, [0,2,3,1])
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mean, logvar = self.encoder(x)
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z = self.reparameterize(mean, logvar)
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x = self.decoder(z)
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# x = tf.transpose(x, [0,3,1,2])
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# x = x * uv_mask[:,tf.newaxis,:,:]
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x = tf.image.resize(x, (512, 256), tf.image.ResizeMethod.LANCZOS5)
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x = x * uv_mask[:,:,:,tf.newaxis]
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return x, mean, logvar, z
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def log_normal_pdf(sample, mean, logvar, raxis=1):
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log2pi = tf.math.log(2. * np.pi)
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res = tf.reduce_sum(-.5 * ((sample - mean) ** 2. * tf.exp(-logvar) + logvar + log2pi), axis=raxis)
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return res
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@tf.function
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def train_step(batch):
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with tf.GradientTape() as tape:
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pred, mean, logvar, z = model([batch['uv_unposed'], batch['uv_mask']])
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mesh_pred = uv2mesh(tf.transpose(pred, [0,3,1,2]))
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mesh_orig = batch['mesh_unposed']
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e_loss = 1e-3 * tf.reduce_mean(edge_loss(mesh_pred, mesh_orig, batch['mesh_mask']))
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c_loss = 1e-3 * tf.reduce_mean(collision_penalty(mesh_pred, batch['mesh_body_posed'], batch['mesh_mask']))
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l1_loss = tf.reduce_sum(tf.reduce_sum((tf.math.abs(tf.transpose(batch['uv_unposed'], [0,2,3,1]) - pred)), axis=-1) * batch['uv_mask'], axis=[1, 2])
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# ms_ssim = tf.image.ssim_multiscale(tf.transpose(pred, [0,2,3,1]) + 1, tf.transpose(batch['uv_unposed'], [0,2,3,1]) + 1, max_val=2)
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ms_ssim = tf.image.ssim_multiscale(pred + 1, tf.transpose(batch['uv_unposed'], [0,2,3,1]) + 1, max_val=3)
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# ms_ssim = tf.reduce_mean(tf.image.ssim_multiscale((tf.transpose(pred, [0,2,3,1]) + 1) * batch['uv_mask'][:,:,:,tf.newaxis], (tf.transpose(batch['uv_unposed'], [0,2,3,1]) + 1) * batch['uv_mask'][:,:,:,tf.newaxis], max_val=2))
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rfft_loss = 0 #tf.reduce_mean(tf.reduce_sum(tf.math.abs(tf.signal.rfft3d(pred) - tf.signal.rfft3d(batch['uv_unposed'])), axis=[1,2,3]))
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fft_loss = tf.reduce_sum(tf.math.abs(tf.signal.fft3d(tf.complex(pred, tf.zeros_like(pred))) - tf.signal.fft3d(tf.complex(tf.transpose(batch['uv_unposed'], [0,2,3,1]), tf.zeros_like(tf.transpose(batch['uv_unposed'], [0,2,3,1]))))), axis=[1,2,3])
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fft_loss_pc, fft_loss_pc_low, fft_loss_pc_high = 0,0,0 #fft_loss_per_channel(pred, batch['uv_unposed'])
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tv_loss = tf.image.total_variation(pred)
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reconstr_loss = l1_loss
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logpx_z = -reconstr_loss
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logpz = log_normal_pdf(z, 0., 0.)
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logqz_x = log_normal_pdf(z, mean, logvar)
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loss = -tf.reduce_mean(logpx_z + logpz - logqz_x)
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ms_ssim = tf.reduce_mean(ms_ssim)
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l1_loss = tf.reduce_mean(l1_loss)
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fft_loss = tf.reduce_mean(fft_loss)
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reconstr_loss = tf.reduce_mean(reconstr_loss)
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tv_loss = tf.reduce_mean(tv_loss)
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mesh_orig_2 = uv2mesh(batch['uv_unposed'])
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metric = tf.reduce_sum(tf.math.sqrt(tf.reduce_sum(batch['mesh_mask'][:,:,tf.newaxis] * (mesh_orig - mesh_pred) ** 2, axis=-1))) / tf.reduce_sum(batch['mesh_mask'])
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metric_2 = tf.reduce_sum(tf.math.sqrt(tf.reduce_sum(batch['mesh_mask'][:,:,tf.newaxis] * (mesh_orig_2 - mesh_pred) ** 2, axis=-1))) / tf.reduce_sum(batch['mesh_mask'])
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euclid_posed = 0 # tf.reduce_sum(tf.math.sqrt(tf.reduce_sum(batch['mesh_mask'][:,:,tf.newaxis] * (mesh_skinned - batch['mesh_posed']) ** 2, axis=-1))) / tf.reduce_sum(batch['mesh_mask'])
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gradients = tape.gradient(loss, model.trainable_variables)
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# gradients = [tf.clip_by_norm(g, 1.0) for g in gradients]
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# gradients = [tf.clip_by_value(g, -1.0, 1.0) for g in gradients]
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optimizer.apply_gradients(zip(gradients, model.trainable_variables))
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return { 'train/loss': loss, 'train/edge_loss': e_loss, 'train/collision_loss': c_loss, 'train/l1_loss': l1_loss, 'train/euclid_error': metric, 'train/ms_ssim': ms_ssim,
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'train/fft_loss': fft_loss, 'train/euclid_error_reconst': metric_2, 'train/rfft_loss': rfft_loss, 'train/fft_oc_low': fft_loss_pc_low, 'train/fft_pc_high': fft_loss_pc_high,
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'train/fft_loss_per_channel': fft_loss_pc, 'train/euclid_error_posed': euclid_posed, 'train/reconstr_loss': reconstr_loss, 'train/tv_loss': tv_loss }
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@tf.function
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def valid_step(batch):
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pred, mean, logvar, z = model([batch['uv_unposed'], batch['uv_mask']])
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mesh_pred = uv2mesh(tf.transpose(pred, [0,3,1,2]))
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mesh_orig = batch['mesh_unposed']
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e_loss = 1e-2 * tf.reduce_mean(edge_loss(mesh_pred, mesh_orig, batch['mesh_mask']))
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c_loss = 1e-2 * tf.reduce_mean(collision_penalty(mesh_pred, batch['mesh_body_posed'], batch['mesh_mask']))
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l1_loss = tf.reduce_sum(tf.reduce_sum((tf.math.abs(tf.transpose(batch['uv_unposed'], [0,2,3,1]) - pred)), axis=-1) * batch['uv_mask'], axis=[1, 2])
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b_loss = 0 #1e-3 * bend_loss(mesh_pred, smpl_faces, laplacian_loss, batch['mesh_mask'])
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# ms_ssim = tf.image.ssim_multiscale(tf.transpose(pred, [0,2,3,1]) + 1, tf.transpose(batch['uv_unposed'], [0,2,3,1]) + 1, max_val=2)
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ms_ssim = tf.image.ssim_multiscale(pred + 1, tf.transpose(batch['uv_unposed'], [0,2,3,1]) + 1, max_val=3)
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fft_loss = 0 #tf.reduce_sum(tf.math.abs(tf.signal.fft3d(tf.complex(pred, tf.zeros_like(pred))) - tf.signal.fft3d(tf.complex(tf.transpose(batch['uv_unposed'], [0,2,3,1]), tf.zeros_like(tf.transpose(batch['uv_unposed'], [0,2,3,1]))))), axis=[1,2,3])
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# mesh_orig_2 = uv2mesh(batch['uv_unposed'])
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metric = tf.reduce_sum(tf.math.sqrt(tf.reduce_sum(batch['mesh_mask'][:,:,tf.newaxis] * (mesh_orig - mesh_pred) ** 2, axis=-1))) / tf.reduce_sum(batch['mesh_mask'])
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metric_2 = 0 #tf.reduce_sum(tf.math.sqrt(tf.reduce_sum(batch['mesh_mask'][:,:,tf.newaxis] * (mesh_orig_2 - mesh_pred) ** 2, axis=-1))) / tf.reduce_sum(batch['mesh_mask'])
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reconstr_loss = l1_loss
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logpx_z = -reconstr_loss
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logpz = log_normal_pdf(z, 0., 0.)
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logqz_x = log_normal_pdf(z, mean, logvar)
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loss = -tf.reduce_mean(logpx_z + logpz - logqz_x)
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ms_ssim = tf.reduce_mean(ms_ssim)
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l1_loss = tf.reduce_mean(l1_loss)
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fft_loss = tf.reduce_mean(fft_loss)
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b_loss = tf.reduce_mean(b_loss)
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reconstr_loss = tf.reduce_mean(reconstr_loss)
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return { 'valid/loss': loss, 'valid/edge_loss': e_loss, 'valid/collision_loss': c_loss, 'valid/l1_loss': l1_loss, 'valid/euclid_error': metric, 'valid/ms_ssim': ms_ssim,
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'valid/fft_loss': fft_loss, 'valid/euclid_error_reconst': metric_2, 'train/bend_loss': b_loss, 'train/reconstr_loss': reconstr_loss
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}
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def plot_everything(batch: dict, type: str):
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pred, mean, logvar, z = model([batch['uv_unposed'], batch['uv_mask']])
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mesh_pred = uv2mesh(tf.transpose(pred, [0,3,1,2]))
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mesh_orig = batch['mesh_unposed']
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orig_img = tf.transpose(batch['uv_unposed'], [0,2,3,1])
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pred_img = pred
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img = tf.concat((orig_img, pred_img), axis=2)
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imgs = [wandb.Image((img[i] + 1) / 2.0) for i in range(4)]
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F = np.load("custom_utils/smpl_faces.npy")
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mask = batch['mesh_mask'].numpy().astype(bool)
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garment_unposed, faces = maskFacesBatch(mesh_pred.numpy(), F, mask)
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gt = [mesh_orig[i].numpy()[mask[i], :] for i in range(pred.shape[0])]
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body = batch['mesh_body_posed'].numpy()
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mesh_posed = smpl.run_garment(batch['pose_shape'][:, :72], batch['pose_shape'][:, 72:], mesh_pred).numpy()
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garment_posed = [mesh_posed[i, mask[i], :] for i in range(body.shape[0])]
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collision = [np.concatenate((body[i], garment_posed[i]), axis=0) for i in range(len(garment_posed))]
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collision_faces = [np.concatenate((F, faces[i] + 14475), axis=0) for i in range(len(garment_posed))]
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collision_color = [np.concatenate((np.ones_like(body[i], dtype=np.int32)*100, np.ones_like(garment_posed[i], dtype=np.int32)*230), axis=0) for i in range(len(garment_posed))]
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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) }
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return { **figs, **{ type + '/images': imgs } }
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def repeat_faces(faces, times):
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idx_offset = np.linspace(0, 14475 * (times-1), times).astype(np.int32)
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idx_offset = np.repeat(idx_offset, faces.shape[0], axis=0)
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merged = np.tile(faces, [times,1])
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merged += idx_offset[:, np.newaxis]
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return merged
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def repeat_laplacian(L, times):
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idx = np.repeat(np.mat([L.row, L.col]), repeats=times, axis=1)
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idx_offset = np.linspace(0, L.shape[0] * (times-1), times).astype(np.int32)
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idx_offset = np.repeat(idx_offset, L.row.shape[0], axis=0)
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idx += idx_offset[np.newaxis,:]
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data = np.repeat(L.data, repeats=times, axis=0)
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shape = (L.shape[0] * times, L.shape[1] * times)
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return sp.sparse.coo_matrix((data, (np.squeeze(np.asarray(idx[0,:])), np.squeeze(np.asarray(idx[1,:])))), shape)
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if __name__ == '__main__':
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allow_memory_growth()
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parser = argparse.ArgumentParser(description='')
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parser.add_argument('--name', type=str)
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args = vars(parser.parse_args())
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batch_size = 8
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smpl_faces = np.load('custom_utils/smpl_faces.npy')
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faces_loss_single = smpl_faces
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faces_loss = repeat_faces(smpl_faces, batch_size)
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laplacian_loss = sp.sparse.load_npz("custom_utils/laplacian/laplacian0.npz").todense().astype(np.float32)
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# edges = np.stack(np.nonzero(laplacian_loss.todense())).transpose()
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# laplacian_loss = sparse_to_tensor(laplacian_loss)
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# laplacian_loss = sparse_to_tensor(repeat_laplacian(laplacian_loss, batch_size))
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smpl = SMPL()
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factory = DatasetFactory()
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signature_dynamic = { 'id': (),
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'pose_shape': (72 + 11,),
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# 'uv_posed': (3, 512, 256,),
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# 'uv_body_posed': (3, 512, 256,),
|
||||
'mesh_body_posed': (14475, 3,),
|
||||
'mesh_posed': (14475, 3,),
|
||||
'mesh_unposed': (14475, 3,),
|
||||
'uv_unposed': (3, 512, 256,)
|
||||
}
|
||||
signature_static = { #'uv_static': (3, 512, 256,),
|
||||
# 'mesh_static': (14475, 3,),
|
||||
'mesh_mask': (14475,),
|
||||
'uv_mask': (512, 256,),
|
||||
# 'uv_shaped_body': (3, 512, 256,),
|
||||
}
|
||||
|
||||
dataset_train = factory.get_dataset(folder='/home/workspace/local-data/jumpsuit_20/train',
|
||||
batch_size=batch_size,
|
||||
signature=signature_dynamic)
|
||||
static_dataset_train = StaticDataset(folder='/home/workspace/local-data/jumpsuit_20/train',
|
||||
signature=signature_static)
|
||||
dataset_valid = factory.get_dataset(folder='/home/workspace/local-data/jumpsuit_20/valid',
|
||||
batch_size=batch_size,
|
||||
signature=signature_dynamic)
|
||||
static_dataset_valid = StaticDataset(folder='/home/workspace/local-data/jumpsuit_20/valid',
|
||||
signature=signature_static)
|
||||
|
||||
|
||||
model = VAE()
|
||||
lr_schedule = tf.keras.optimizers.schedules.ExponentialDecay(0.0001, decay_steps=30000, decay_rate=0.1, staircase=False)
|
||||
optimizer = tf.optimizers.Adam(learning_rate=lr_schedule)
|
||||
folder = 'models/ae_logs/'
|
||||
valid_iterator = iter(dataset_valid)
|
||||
|
||||
step = 0
|
||||
for batch in dataset_train:
|
||||
batch = static_dataset_train.expand_batch(batch_to_dict(batch, signature_dynamic))
|
||||
|
||||
# _, masked_faces = maskFacesBatch(batch['mesh_unposed'].numpy(), smpl_faces, batch['mesh_mask'].numpy().astype(bool))
|
||||
# # batch['mesh_masked_verts'] = masked_verts
|
||||
# batch['mesh_masked_faces'] = [masked_faces[i].astype(np.int32) for i in range(batch_size)]
|
||||
# batch['mesh_mask_bool'] = batch['mesh_mask'].numpy().astype(bool)
|
||||
# batch['laplacian'] = [sparse_to_tensor(sp.sparse.coo_matrix(laplacian_loss[batch['mesh_mask_bool'][i], :][:, batch['mesh_mask_bool'][i]])) for i in range(batch_size)]
|
||||
# batch['laplacian'] = [tf.sparse.to_dense(sparse_to_tensor(sp.sparse.coo_matrix(laplacian_loss[batch['mesh_mask_bool'][i], :][:, batch['mesh_mask_bool'][i]]))) for i in range(batch_size)]
|
||||
# batch['laplacian'] = [sp.sparse.coo_matrix(laplacian_loss[batch['mesh_mask_bool'][i], :][:, batch['mesh_mask_bool'][i]]) for i in range(batch_size)]
|
||||
|
||||
train_loss = train_step(batch)
|
||||
|
||||
data_valid = valid_iterator.get_next()
|
||||
data_valid = static_dataset_valid.expand_batch(batch_to_dict(data_valid, signature_dynamic))
|
||||
valid_loss = valid_step(data_valid)
|
||||
|
||||
if step % 500 == 0:
|
||||
train_figs = plot_everything(batch, 'train')
|
||||
valid_figs = plot_everything(data_valid, 'valid')
|
||||
wandb.log({ **train_loss, **valid_loss, **{ 'current_step': step}, **train_figs, **valid_figs }, step=step)
|
||||
else:
|
||||
wandb.log({ **train_loss, **valid_loss, **{ 'current_step': step} }, step=step)
|
||||
|
||||
|
||||
print(step)
|
||||
|
||||
step += 1
|
||||
Reference in New Issue
Block a user