commit all

This commit is contained in:
2023-01-25 12:25:59 +00:00
parent 1bf224841f
commit 7470ca9fb6
139 changed files with 82069 additions and 811 deletions
+1 -1
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@@ -44,7 +44,7 @@ class AutoEncoder(tf.keras.Model):
self.decoder = Decoder(decoder_input, decoder_depths, decoder_dims, kernel_size=kernel_size)
def call(self, inputs, training=None, use_mask=True):
def call(self, inputs, training, use_mask=True):
if use_mask:
x, mask = inputs
else:
+104 -5
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@@ -14,12 +14,12 @@ class Bottleneck(tf.keras.Model):
self.flatten = tf.keras.layers.Flatten()
self.dense = tf.keras.layers.Dense(latent_dim)
def call(self, inputs, training=None):
def call(self, inputs, training):
x = inputs
x = self.bottleneck(x, training=training)
x = self.flatten(x)
x = self.dense(x)
x = self.dense(x, training=training)
return x
@@ -35,7 +35,7 @@ class VariationalEncoder(tf.keras.Model):
self.mean = tf.keras.layers.Dense(latent_dim)
self.log_var = tf.keras.layers.Dense(latent_dim)
def call(self, inputs, training=None):
def call(self, inputs, training):
x = inputs
x = self.encoder(x, training=training)
@@ -55,7 +55,7 @@ class AEEncoder(tf.keras.Model):
self.bottleneck = Bottleneck(bottleneck_size, latent_dim, kernel_size)
def call(self, inputs, training=None):
def call(self, inputs, training):
if len(inputs) == 2:
x, _ = inputs
else:
@@ -85,7 +85,7 @@ class Decoder(tf.keras.Model):
self.decoder = ConvNeXtReverseLabels(depths=list(reversed(depths)), dims=list(reversed(dims)), nr_of_classes=7)
def call(self, inputs, training=None):
def call(self, inputs, training):
if len(inputs) == 2:
x, mask = inputs
else:
@@ -99,6 +99,105 @@ class Decoder(tf.keras.Model):
x = tf.image.resize(x, size=(512, 256), method=tf.image.ResizeMethod.LANCZOS5)
if len(inputs) == 2:
if len(mask.shape) == 2:
x = x * mask[tf.newaxis,:,:,tf.newaxis]
else:
x = x * mask[:,:,:,tf.newaxis]
return x
class VariationalEncoderNew(tf.keras.Model):
def __init__(self, depths, dims, kernel_size=7):
super(VariationalEncoderNew, self).__init__()
self.encoder = ConvNeXt(depths=depths, dims=dims, include_top=False, kernel_size=kernel_size)
self.mean_branch = tf.keras.Sequential(
[Block(dim=64, drop_path=0, kernel_size=kernel_size,
layer_scale_init_value=1e-6, prefix=f'bottleneck{j}') for j in range(5)]
)
self.var_branch = tf.keras.Sequential(
[Block(dim=64, drop_path=0, kernel_size=kernel_size,
layer_scale_init_value=1e-6, prefix=f'bottleneck{j}') for j in range(5)]
)
self.flatten_mean = tf.keras.layers.Flatten()
self.flatten_var = tf.keras.layers.Flatten()
def call(self, inputs, training):
x = inputs
x = self.encoder(x, training=training)
mean = self.mean_branch(x)
log_var = self.var_branch(x)
mean = self.flatten_mean(mean)
log_var = self.flatten_var(log_var)
return mean, log_var
class AEEncoderNew(tf.keras.Model):
def __init__(self, depths, dims, kernel_size=7, activation='tanh'):
super(AEEncoderNew, self).__init__()
self.encoder = ConvNeXt(depths=depths, dims=dims, include_top=False, kernel_size=kernel_size)
self.act = tf.keras.layers.Activation(activation)
def call(self, inputs, training):
if len(inputs) == 2:
x, _ = inputs
else:
x = inputs
x = self.encoder(x, training=training)
x = self.act(x)
if len(inputs) == 2:
return x, inputs[1]
else:
return x
class DecoderNew(tf.keras.Model):
def __init__(self, depths, dims, kernel_size=7, is_label=False):
super(DecoderNew, self).__init__()
self.is_label = is_label
if not is_label:
self.decoder = ConvNeXtReverse(depths=depths, dims=dims, kernel_size=kernel_size)
else:
self.decoder = ConvNeXtReverseLabels(depths=depths, dims=dims, nr_of_classes=7)
def call(self, inputs, training):
if len(inputs) == 2:
x, mask = inputs
else:
x = inputs
x = self.decoder(x, training=training)
if self.is_label:
x = x * mask[:,:,:,tf.newaxis]
background = tf.ones((mask.shape[0],512,256,1)) * (1 - mask[:,:,:,tf.newaxis])
x = tf.concat((background, x), axis=-1)
x = tf.math.softmax(x)
if len(inputs) == 2:
if len(mask.shape) == 2:
x = x * mask[tf.newaxis,:,:,tf.newaxis]
+20 -2
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@@ -1,5 +1,5 @@
import tensorflow as tf
from models.base import AEEncoder, Decoder
from models.base import AEEncoder, Decoder, AEEncoderNew, DecoderNew
class AutoEncoder(tf.keras.Model):
@@ -11,10 +11,28 @@ class AutoEncoder(tf.keras.Model):
self.decoder : Decoder = Decoder(config['decoder_input'], config['decoder_depths'], config['decoder_dims'], kernel_size=config['kernel_size'], is_label=config['is_label'], upscale=config['upscale_output'])
def call(self, inputs, training=None):
def call(self, inputs, training):
x = inputs
x = self.encoder(x, training=training)
x = self.decoder(x, training=training)
return x
class AutoEncoderNew(tf.keras.Model):
def __init__(self, config):
super(AutoEncoderNew, self).__init__()
self.encoder : AEEncoderNew = AEEncoderNew(config['encoder_depths'], config['encoder_dims'], config['kernel_size'], config['activation'])
self.decoder : DecoderNew = DecoderNew(config['decoder_depths'], config['decoder_dims'], kernel_size=config['kernel_size'], is_label=config['is_label'])
def call(self, inputs, training):
x = inputs
x = self.encoder(x, training=training)
x = self.decoder(x, training=training)
return x
+44 -106
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@@ -8,96 +8,43 @@ import scipy as sp
# import plotly.express as ex
from custom_utils.custom_utils import load_model
from convnext.models.convnext_tf import ConvNeXt, Block, ConvNeXtReverseLabels
from auto_encoder_body import AutoEncoder as BodyAE
from auto_encoder_static import AutoEncoder as StaticAE
from models.base import AEEncoder, VariationalEncoder, Decoder
class Bottleneck(tf.keras.Model):
def __init__(self, dim):
super(Bottleneck, self).__init__()
self.bottleneck = tf.keras.Sequential(
[Block(dim=dim, drop_path=0,
layer_scale_init_value=1e-6, prefix=f'bottleneck{j}') for j in range(5)]
)
def call(self, inputs, training=None):
x = inputs
x = self.bottleneck(x, training=training)
return x
class Encoder(tf.keras.Model):
def __init__(self, latent_dim):
super(Encoder, self).__init__()
self.encoder = ConvNeXt(depths=[3, 3, 9, 3], dims=[32, 64, 128, 256], include_top=False)
self.flatten = tf.keras.layers.Flatten()
self.mean = tf.keras.layers.Dense(latent_dim)
self.log_var = tf.keras.layers.Dense(latent_dim)
def call(self, inputs, training=None):
x = inputs
x = self.encoder(x)
x = self.flatten(x)
mean = self.mean(x)
log_var = self.log_var(x)
return mean, log_var
class Decoder(tf.keras.Model):
def __init__(self):
super(Decoder, self).__init__()
self.dense = tf.keras.layers.Dense(16 * 8 * 80)
self.reshape = tf.keras.layers.Reshape((16, 8, 80))
self.decoder = ConvNeXtReverseLabels(depths=list(reversed([3, 3, 9, 3])), dims=list(reversed([256, 128, 64, 16])))
def call(self, inputs, training=None):
x = inputs
x = self.dense(x)
x = self.reshape(x)
x = self.decoder(x)
return x
class CVAE(tf.keras.Model):
def __init__(self, latent_dim=128, static_model='checkpoints/ae_static_3',
body_model='checpoints/ae_body_6',):
def __init__(self, config):
super(CVAE, self).__init__()
self.latent_dim = latent_dim
self.latent_dim = config['latent_dim']
self.latent_dim = config['cvae']['latent_dim']
self.size = config['resolution']
model : StaticAE = StaticAE(size=512)
load_model(model, static_model)
self.static_enc = tf.keras.Sequential([model.encoder, model.bottleneck])
self.static_enc.trainable = False
self.static_enc : AEEncoder = AEEncoder(config['cond_ae']['latent_dim'], config['cond_ae']['encoder_depths'], config['cond_ae']['encoder_dims'], config['cond_ae']['bottleneck_size'], config['cond_ae']['kernel_size'])
if config['static_model'] != '':
load_model(self.static_enc, config['static_model'] + '_enc')
model : BodyAE = BodyAE(size=512)
load_model(model, body_model)
self.body_enc = tf.keras.Sequential([model.encoder, model.bottleneck])
self.body_enc.trainable = False
self.body_enc : AEEncoder = AEEncoder(config['cond_ae_body']['latent_dim'], config['cond_ae_body']['encoder_depths'], config['cond_ae_body']['encoder_dims'], config['cond_ae_body']['bottleneck_size'], config['cond_ae_body']['kernel_size'])
if config['body_model'] != '':
load_model(self.body_enc, config['body_model'] + '_enc')
self.cond_encoder = tf.keras.Sequential([tf.keras.layers.Dense(256, activation='relu'),
if config['freeze_encoders']:
self.static_enc.trainable = False
self.body_enc.trainable = False
self.cond_encoder = tf.keras.Sequential([tf.keras.layers.Dense(512, activation='relu'),
tf.keras.layers.Dense(256, activation='relu'),
tf.keras.layers.Dense(128, activation='relu'),
tf.keras.layers.Dense(latent_dim),])
tf.keras.layers.Dense(self.latent_dim, activation='tanh'),])
self.encoder = Encoder(latent_dim)
self.decoder = Decoder()
self.encoder = VariationalEncoder(config['cvae']['latent_dim'], config['cvae']['encoder_depths'], config['cvae']['encoder_dims'], kernel_size=config['cvae']['kernel_size'])
self.decoder = Decoder(config['cvae']['decoder_input'], config['cvae']['decoder_depths'], config['cvae']['decoder_dims'], config['cvae']['kernel_size'], is_label=config['cvae']['is_label'])
self.add_noise = config['cvae']['add_noise']
self.noise_amount = config['cvae']['noise_amount']
# @tf.function
def sample_single(self, uv_template, uv_body_posed, uv_mask, eps=None, nr_of_samples=4):
@@ -122,33 +69,32 @@ class CVAE(tf.keras.Model):
return x
def encode_conds(self, uv_template, uv_body_posed):
if uv_template.shape[1] == 3:
uv_template = tf.transpose(uv_template, [0,2,3,1])
if uv_body_posed.shape[1] == 3:
uv_body_posed = tf.transpose(uv_body_posed, [0,2,3,1])
z_static = self.static_enc(uv_template)
z_body = self.body_enc(uv_body_posed)
def encode_conds(self, uv_template, uv_body_posed, training):
z_static = self.static_enc(uv_template, training=training)
z_body = self.body_enc(uv_body_posed, training=training)
z_cond = tf.concat([z_static, z_body], axis=-1)
z_cond = self.cond_encoder(z_cond)
z_cond = self.cond_encoder(z_cond, training=training)
return z_cond
def sample(self, uv_template, uv_body_posed, uv_mask=None, noise=None):
def sample(self, uv_template, uv_body_posed, uv_mask, noise=None):
if noise is None:
eps = tf.random.normal(shape=(uv_template.shape[0], self.latent_dim))
else:
eps = noise
z_cond = self.encode_conds(uv_template, uv_body_posed)
z_cond = self.encode_conds(uv_template, uv_body_posed, training=False)
z = tf.concat([eps, z_cond], axis=-1)
x = self.decoder(z)
x = self.decoder(z, training=False)
if uv_mask is not None:
x = x * uv_mask[:,:,:,tf.newaxis]
x = x * uv_mask[:,:,:,tf.newaxis]
background = tf.ones((uv_template.shape[0],512,256,1)) * (1 - uv_mask[:,:,:,tf.newaxis])
x = tf.concat((background, x), axis=-1)
x = tf.math.softmax(x)
return x
@@ -171,32 +117,24 @@ class CVAE(tf.keras.Model):
return eps * tf.exp(logvar * .5) + mean
def decode(self, z, apply_sigmoid=False):
logits = self.decoder(z)
if apply_sigmoid:
probs = tf.sigmoid(logits)
return probs
return logits
def call(self, inputs, training=None):
def call(self, inputs, training):
uv_template, uv_body_posed, uv_curv, uv_mask = inputs
if uv_template.shape[1] == 3:
uv_template = tf.transpose(uv_template, [0,2,3,1])
if uv_body_posed.shape[1] == 3:
uv_body_posed = tf.transpose(uv_body_posed, [0,2,3,1])
if uv_curv.shape[1] == 3:
uv_curv = tf.transpose(uv_curv, [0,2,3,1])
z_cond = self.encode_conds(uv_template, uv_body_posed)
x = tf.concat([uv_template, uv_body_posed, uv_curv], axis=-1)
mean, logvar = self.encoder(x)
z = self.reparameterize(mean, logvar)
z_cond = self.encode_conds(uv_template, uv_body_posed, training=training)
z = tf.concat([z, z_cond], axis=-1)
x = self.decoder(z)
x = self.decoder(z, training=training)
x = x * uv_mask[:,:,:,tf.newaxis]
return x, mean, logvar, z
background = tf.ones((4,512,256,1)) * (1 - uv_mask[:,:,:,tf.newaxis])
x = tf.concat((background, x), axis=-1)
x = tf.math.softmax(x)
return x, mean, logvar
+182 -27
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@@ -9,6 +9,7 @@ import scipy as sp
from custom_utils.custom_utils import load_model
from models.base import AEEncoder, VariationalEncoder, Decoder
from models.base import AEEncoderNew, VariationalEncoderNew, DecoderNew
class CVAE(tf.keras.Model):
@@ -18,13 +19,14 @@ class CVAE(tf.keras.Model):
self.latent_dim = config['cvae']['latent_dim']
self.size = config['resolution']
self.static_enc : AEEncoder = AEEncoder(config['cond_ae']['latent_dim'], config['cond_ae']['encoder_depths'], config['cond_ae']['encoder_dims'], config['cond_ae']['bottleneck_size'], config['cond_ae']['kernel_size'])
if config['static_model'] != '':
load_model(self.static_enc, config['static_model'] + '_enc')
if not('only_curvatures' in config.keys() and config['only_curvatures'] == True):
self.static_enc : AEEncoder = AEEncoder(config['cond_ae']['latent_dim'], config['cond_ae']['encoder_depths'], config['cond_ae']['encoder_dims'], config['cond_ae']['bottleneck_size'], config['cond_ae']['kernel_size'])
if config['static_model'] != '':
load_model(self.static_enc, config['static_model'] + '_enc')
self.body_enc : AEEncoder = AEEncoder(config['cond_ae_body']['latent_dim'], config['cond_ae_body']['encoder_depths'], config['cond_ae_body']['encoder_dims'], config['cond_ae_body']['bottleneck_size'], config['cond_ae_body']['kernel_size'])
if config['body_model'] != '':
load_model(self.body_enc, config['body_model'] + '_enc')
self.body_enc : AEEncoder = AEEncoder(config['cond_ae_body']['latent_dim'], config['cond_ae_body']['encoder_depths'], config['cond_ae_body']['encoder_dims'], config['cond_ae_body']['bottleneck_size'], config['cond_ae_body']['kernel_size'])
if config['body_model'] != '':
load_model(self.body_enc, config['body_model'] + '_enc')
if config['use_curvature']:
self.curv_enc : AEEncoder = AEEncoder(config['cond_ae']['latent_dim'], config['cond_ae']['encoder_depths'], config['cond_ae']['encoder_dims'], config['cond_ae']['bottleneck_size'], config['cond_ae']['kernel_size'])
@@ -32,14 +34,16 @@ class CVAE(tf.keras.Model):
load_model(self.curv_enc, config['curvature_model'] + '_enc')
if config['freeze_encoders']:
self.static_enc.trainable = False
self.body_enc.trainable = False
if not('only_curvatures' in config.keys() and config['only_curvatures'] == True):
self.static_enc.trainable = False
self.body_enc.trainable = False
if config['use_curvature']:
self.curv_enc.trainable = False
self.cond_encoder = tf.keras.Sequential([tf.keras.layers.Dense(512, activation='relu'),
tf.keras.layers.Dense(256, activation='relu'),
tf.keras.layers.Dense(128, activation='relu'),
tf.keras.layers.Lambda(lambda x: x / 1000),
tf.keras.layers.Dense(config['latent_dim'], activation='tanh')])
self.encoder = VariationalEncoder(config['cvae']['latent_dim'], config['cvae']['encoder_depths'], config['cvae']['encoder_dims'], kernel_size=config['cvae']['kernel_size'])
@@ -53,6 +57,7 @@ class CVAE(tf.keras.Model):
self.add_noise = config['cvae']['add_noise']
self.noise_amount = config['cvae']['noise_amount']
self.use_curvature = config['use_curvature']
self.only_curvatures = config['only_curvatures'] if 'only_curvatures' in config.keys() and config['only_curvatures'] == True else None
self.use_offsets_over_body = not config['use_skinning']
if self.use_offsets_over_body:
@@ -60,14 +65,17 @@ class CVAE(tf.keras.Model):
if self.avg_garment is not None:
assert not self.use_offsets_over_body, 'When avg_garment is given, we must use skinning!'
@tf.function
def sample(self, uv_template, uv_body_posed, uv_curv, uv_mask, noise=None):
# @tf.function
def sample(self, uv_template, uv_body_posed, uv_curv, uv_mask, noise=None, add_noise=False):
if noise is None:
eps = tf.random.normal(shape=(uv_template.shape[0], self.latent_dim))
else:
eps = noise
z_cond = self.encode_conds(uv_template, uv_body_posed, uv_curv, training=False)
if add_noise:
z_cond = z_cond + (tf.random.uniform(z_cond.shape, maxval=self.noise_amount * 2) - self.noise_amount)
z = tf.concat([eps, z_cond], axis=-1)
x = self.decoder(z, training=False)
@@ -75,40 +83,187 @@ class CVAE(tf.keras.Model):
if self.avg_garment is not None:
x = x + self.avg_garment[tf.newaxis,:,:,:]
if self.use_offsets_over_body:
x = x + uv_body_posed
x = x * uv_mask[:,:,:,tf.newaxis]
return x
def reparameterize(self, mean, logvar, fix_noise=False):
if not fix_noise:
eps = tf.random.normal(shape=mean.shape)
def reparameterize(self, mean, logvar, training, fix_noise=False):
if training == True:
if not fix_noise:
eps = tf.random.normal(shape=mean.shape)
else:
eps = tf.random.normal(shape=(1, mean.shape[1]))
eps = tf.tile(eps, [mean.shape[0],1])
out = eps * tf.exp(logvar * .5) + mean
else:
eps = tf.random.normal(shape=(1, mean.shape[1]))
eps = tf.tile(eps, [mean.shape[0],1])
return eps * tf.exp(logvar * .5) + mean
out = tf.exp(logvar * .5) + mean
return out
def encode_conds(self, uv_template, uv_body_posed, uv_curv, training=None):
z_body = self.body_enc(uv_body_posed, training=training)
z_static = self.static_enc(uv_template, training=training)
if self.use_curvature:
z_curv = self.curv_enc(uv_curv, training=training)
z_cond = tf.concat([z_static, z_body, z_curv], axis=-1)
def encode_conds(self, uv_template, uv_body_posed, uv_curv, training):
if self.only_curvatures:
z_cond = self.curv_enc(uv_curv, training=training)
else:
z_cond = tf.concat([z_static, z_body], axis=-1)
z_body = self.body_enc(uv_body_posed, training=training)
z_static = self.static_enc(uv_template, training=training)
if self.use_curvature:
z_curv = self.curv_enc(uv_curv, training=training)
z_cond = tf.concat([z_static, z_body, z_curv], axis=-1)
else:
z_cond = tf.concat([z_static, z_body], axis=-1)
z_cond = self.cond_encoder(z_cond, training=training)
return z_cond
def call(self, inputs, training=None):
def call(self, inputs, training):
uv_unposed, uv_template, uv_body_posed, uv_curv, uv_mask = inputs
x = tf.concat([uv_unposed, uv_template, uv_body_posed, uv_curv], axis=-1)
if self.only_curvatures:
x = tf.concat([uv_unposed, uv_curv], axis=-1)
else:
x = tf.concat([uv_unposed, uv_template, uv_body_posed, uv_curv], axis=-1)
mean, logvar = self.encoder(x, training=training)
z = self.reparameterize(mean, logvar)
z = self.reparameterize(mean, logvar, training)
z_cond = self.encode_conds(uv_template, uv_body_posed, uv_curv, training=training)
if self.add_noise and training == True:
z_cond = z_cond + (tf.random.uniform(z_cond.shape, maxval=self.noise_amount * 2) - self.noise_amount)
z = tf.concat([z, z_cond], axis=-1)
x = self.decoder(z, training=training)
if self.avg_garment is not None:
x = x + self.avg_garment[tf.newaxis,:,:,:]
if self.use_offsets_over_body:
x = x + uv_body_posed
x = x * uv_mask[:,:,:,tf.newaxis]
return x, mean, logvar
class CVAENew(tf.keras.Model):
def __init__(self, config):
super(CVAENew, self).__init__()
self.size = config['resolution']
if not('only_curvatures' in config.keys() and config['only_curvatures'] == True):
self.static_enc : AEEncoderNew = AEEncoderNew(config['cond_ae_static']['encoder_depths'], config['cond_ae_static']['encoder_dims'], config['cond_ae_static']['kernel_size'], config['cond_ae_static']['activation'])
if config['static_model'] != '':
load_model(self.static_enc, config['static_model'] + '_enc')
self.body_enc : AEEncoderNew = AEEncoderNew(config['cond_ae_body']['encoder_depths'], config['cond_ae_body']['encoder_dims'], config['cond_ae_body']['kernel_size'])
if config['body_model'] != '':
load_model(self.body_enc, config['body_model'] + '_enc')
if config['use_curvature']:
self.curv_enc : AEEncoderNew = AEEncoderNew(config['cond_ae_curv']['encoder_depths'], config['cond_ae_curv']['encoder_dims'], config['cond_ae_curv']['kernel_size'], config['cond_ae_curv']['activation'])
if config['curvature_model'] != '':
load_model(self.curv_enc, config['curvature_model'] + '_enc')
if config['freeze_encoders']:
if not('only_curvatures' in config.keys() and config['only_curvatures'] == True):
self.static_enc.trainable = False
self.body_enc.trainable = False
if config['use_curvature']:
self.curv_enc.trainable = False
self.encoder = VariationalEncoderNew(config['cvae']['encoder_depths'], config['cvae']['encoder_dims'], kernel_size=config['cvae']['kernel_size'])
self.decoder = DecoderNew(config['cvae']['decoder_depths'], config['cvae']['decoder_dims'], config['cvae']['kernel_size'])
self.reshape = tf.keras.layers.Reshape((8, 4, 64))
if config['avg_garment_path'] != '':
self.avg_garment = np.load(config['avg_garment_path'])
else:
self.avg_garment = None
self.add_noise = config['cvae']['add_noise']
self.noise_amount = config['cvae']['noise_amount']
self.use_curvature = config['use_curvature']
self.only_curvatures = config['only_curvatures'] if 'only_curvatures' in config.keys() and config['only_curvatures'] == True else None
self.use_offsets_over_body = not config['use_skinning']
if self.use_offsets_over_body:
assert self.avg_garment is None, 'When we are not using skinning, we can\'t use avg_garment!'
if self.avg_garment is not None:
assert not self.use_offsets_over_body, 'When avg_garment is given, we must use skinning!'
# @tf.function
def sample(self, uv_template, uv_body_posed, uv_curv, uv_mask, noise=None, add_noise=False):
if noise is None:
eps = tf.random.normal(shape=(uv_template.shape[0], self.latent_dim))
else:
eps = noise
z_cond = self.encode_conds(uv_template, uv_body_posed, uv_curv, training=False)
if add_noise:
z_cond = z_cond + (tf.random.uniform(z_cond.shape, maxval=self.noise_amount * 2) - self.noise_amount)
z = tf.concat([eps, z_cond], axis=-1)
x = self.decoder(z, training=False)
if self.avg_garment is not None:
x = x + self.avg_garment[tf.newaxis,:,:,:]
if self.use_offsets_over_body:
x = x + uv_body_posed
x = x * uv_mask[:,:,:,tf.newaxis]
return x
def reparameterize(self, mean, logvar, training, fix_noise=False):
if training == True:
if not fix_noise:
eps = tf.random.normal(shape=mean.shape)
else:
eps = tf.random.normal(shape=(1, mean.shape[1]))
eps = tf.tile(eps, [mean.shape[0],1])
out = eps * tf.exp(logvar * .5) + mean
else:
out = tf.exp(logvar * .5) + mean
return out
def encode_conds(self, uv_template, uv_body_posed, uv_curv, training):
if self.only_curvatures:
z_cond = self.curv_enc(uv_curv, training=training)
else:
z_body = self.body_enc(uv_body_posed, training=training)
z_static = self.static_enc(uv_template, training=training)
if self.use_curvature:
z_curv = self.curv_enc(uv_curv, training=training)
z_cond = tf.concat([z_static, z_body, z_curv], axis=-1)
else:
z_cond = tf.concat([z_static, z_body], axis=-1)
return z_cond
def call(self, inputs, training):
uv_unposed, uv_template, uv_body_posed, uv_curv, uv_mask = inputs
if self.only_curvatures:
x = tf.concat([uv_unposed, uv_curv], axis=-1)
else:
x = tf.concat([uv_unposed, uv_template, uv_body_posed, uv_curv], axis=-1)
mean, logvar = self.encoder(x, training=training)
z = self.reparameterize(mean, logvar, training)
z = self.reshape(z)
z_cond = self.encode_conds(uv_template, uv_body_posed, uv_curv, training=training)
if self.add_noise and training == True:
+142
View File
@@ -0,0 +1,142 @@
import os
import time
import random
import tensorflow as tf
import numpy as np
import scipy as sp
# import plotly.graph_objects as go
# import plotly.express as ex
from custom_utils.custom_utils import load_model
from models.base import AEEncoder, VariationalEncoder, Decoder
class CVAE(tf.keras.Model):
def __init__(self, config):
super(CVAE, self).__init__()
self.latent_dim = config['cvae']['latent_dim']
self.size = config['resolution']
if not('only_curvatures' in config.keys() and config['only_curvatures'] == True):
self.static_enc : AEEncoder = AEEncoder(config['cond_ae']['latent_dim'], config['cond_ae']['encoder_depths'], config['cond_ae']['encoder_dims'], config['cond_ae']['bottleneck_size'], config['cond_ae']['kernel_size'])
if config['static_model'] != '':
load_model(self.static_enc, config['static_model'] + '_enc')
self.body_enc : AEEncoder = AEEncoder(config['cond_ae_body']['latent_dim'], config['cond_ae_body']['encoder_depths'], config['cond_ae_body']['encoder_dims'], config['cond_ae_body']['bottleneck_size'], config['cond_ae_body']['kernel_size'])
if config['body_model'] != '':
load_model(self.body_enc, config['body_model'] + '_enc')
if config['use_curvature']:
self.curv_enc : AEEncoder = AEEncoder(config['cond_ae']['latent_dim'], config['cond_ae']['encoder_depths'], config['cond_ae']['encoder_dims'], config['cond_ae']['bottleneck_size'], config['cond_ae']['kernel_size'])
if config['curvature_model'] != '':
load_model(self.curv_enc, config['curvature_model'] + '_enc')
if config['freeze_encoders']:
if not('only_curvatures' in config.keys() and config['only_curvatures'] == True):
self.static_enc.trainable = False
self.body_enc.trainable = False
if config['use_curvature']:
self.curv_enc.trainable = False
self.cond_encoder = tf.keras.Sequential([tf.keras.layers.Dense(512, activation='relu'),
tf.keras.layers.Dense(256, activation='relu'),
tf.keras.layers.Dense(128, activation='relu'),
tf.keras.layers.Dense(config['latent_dim'], activation='tanh')])
self.encoder = VariationalEncoder(config['cvae']['latent_dim'], config['cvae']['encoder_depths'], config['cvae']['encoder_dims'], kernel_size=config['cvae']['kernel_size'])
self.decoder = Decoder(config['cvae']['decoder_input'], config['cvae']['decoder_depths'], config['cvae']['decoder_dims'], config['cvae']['kernel_size'])
if config['avg_garment_path'] != '':
self.avg_garment = np.load(config['avg_garment_path'])
else:
self.avg_garment = None
self.add_noise = config['cvae']['add_noise']
self.noise_amount = config['cvae']['noise_amount']
self.use_curvature = config['use_curvature']
self.only_curvatures = config['only_curvatures'] if 'only_curvatures' in config.keys() and config['only_curvatures'] == True else None
self.use_offsets_over_body = not config['use_skinning']
if self.use_offsets_over_body:
assert self.avg_garment is None, 'When we are not using skinning, we can\'t use avg_garment!'
if self.avg_garment is not None:
assert not self.use_offsets_over_body, 'When avg_garment is given, we must use skinning!'
# @tf.function
def sample(self, uv_template, uv_body_posed, uv_curv, uv_mask, noise=None):
if noise is None:
eps = tf.random.normal(shape=(uv_template.shape[0], self.latent_dim))
else:
eps = noise
z_cond = self.encode_conds(uv_template, uv_body_posed, uv_curv, training=False)
z = tf.concat([eps, z_cond], axis=-1)
x = self.decoder(z, training=False)
if self.avg_garment is not None:
x = x + self.avg_garment[tf.newaxis,:,:,:]
if self.use_offsets_over_body:
x = x + uv_body_posed
x = x * uv_mask[:,:,:,tf.newaxis]
return x
def reparameterize(self, mean, logvar, training, fix_noise=False):
if training == True:
if not fix_noise:
eps = tf.random.normal(shape=mean.shape)
else:
eps = tf.random.normal(shape=(1, mean.shape[1]))
eps = tf.tile(eps, [mean.shape[0],1])
out = eps * tf.exp(logvar * .5) + mean
else:
out = tf.exp(logvar * .5) + mean
return out
def encode_conds(self, uv_template, uv_body_posed, uv_curv, training):
if self.only_curvatures:
z_cond = self.curv_enc(uv_curv, training=training)
else:
z_body = self.body_enc(uv_body_posed, training=training)
z_static = self.static_enc(uv_template, training=training)
if self.use_curvature:
z_curv = self.curv_enc(uv_curv, training=training)
z_cond = tf.concat([z_static, z_body, z_curv], axis=-1)
else:
z_cond = tf.concat([z_static, z_body], axis=-1)
z_cond = self.cond_encoder(z_cond, training=training)
return z_cond
def call(self, inputs, training):
uv_unposed, uv_template, uv_body_posed, uv_curv, uv_mask = inputs
x = tf.concat([uv_unposed, uv_template, uv_body_posed, uv_curv], axis=-1)
mean, logvar = self.encoder(x, training=training)
z = self.reparameterize(mean, logvar, training)
z_cond = self.encode_conds(uv_template, uv_body_posed, uv_curv, training=training)
if self.add_noise and training == True:
z_cond = z_cond + (tf.random.uniform(z_cond.shape, maxval=self.noise_amount * 2) - self.noise_amount)
z = tf.concat([z, z_cond], axis=-1)
x = self.decoder(z, training=training)
if self.avg_garment is not None:
x = x + self.avg_garment[tf.newaxis,:,:,:]
if self.use_offsets_over_body:
x = x + uv_body_posed
x = x * uv_mask[:,:,:,tf.newaxis]
return x, mean, logvar
+2 -2
View File
@@ -60,13 +60,13 @@ class Pyramid(tf.keras.Model):
else:
self.avg_garment = None
def enhance(self, low, mask, training=None):
def enhance(self, low, mask, training):
x = self.upscale_enhancer(low, training=training)
x = x * (1 - mask[:,:,:,tf.newaxis])
low = x + low
return low
def call(self, inputs, training=None):
def call(self, inputs, training):
uv_unposed, uv_static, uv_body_posed, uv_curv, uv_mask, uv_unposed_low, uv_static_low, uv_body_posed_low, uv_curv_low, uv_mask_low = inputs
if self.use_full_res_encoders:
+99 -9
View File
@@ -8,7 +8,7 @@ import scipy as sp
# import plotly.express as ex
from custom_utils.custom_utils import load_model
from models.base import AEEncoder, VariationalEncoder, Decoder
from models.base import AEEncoder, VariationalEncoder, Decoder, VariationalEncoderNew, DecoderNew
from models.upscaler import UpscalerBasic, UpscalerBasicConv, UpscalerBasicNew
@@ -24,7 +24,8 @@ class PyramidLevel(tf.keras.Model):
self.upscale_enhancer = None
if config['upscale_enhancer'] != '':
self.upscale_enhancer = UpscalerBasicConv(config['resolution'])
k_size = config['upscale_enhancer_kernel_size'] if 'upscale_enhancer_kernel_size' in config.keys() else ((3 if config['resolution'] <= 64 else 5))
self.upscale_enhancer = UpscalerBasicConv(config['resolution'], kernel_size=k_size)
load_model(self.upscale_enhancer, config['upscale_enhancer'])
self.upscale_enhancer.trainable = not config['upscale_enhancer_freeze']
@@ -57,13 +58,17 @@ class PyramidLevel(tf.keras.Model):
return x
def reparameterize(self, mean, logvar, fix_noise=False):
if not fix_noise:
eps = tf.random.normal(shape=mean.shape)
def reparameterize(self, mean, logvar, training, fix_noise=False):
if training == True:
if not fix_noise:
eps = tf.random.normal(shape=mean.shape)
else:
eps = tf.random.normal(shape=(1, mean.shape[1]))
eps = tf.tile(eps, [mean.shape[0],1])
out = eps * tf.exp(logvar * .5) + mean
else:
eps = tf.random.normal(shape=(1, mean.shape[1]))
eps = tf.tile(eps, [mean.shape[0],1])
return eps * tf.exp(logvar * .5) + mean
out = tf.exp(logvar * .5) + mean
return out
def call(self, inputs, z_cond, training=None):
@@ -71,7 +76,7 @@ class PyramidLevel(tf.keras.Model):
x = tf.concat([uv_unposed, uv_template, uv_body_posed, uv_curv], axis=-1)
mean, logvar = self.encoder(x, training=training)
z = self.reparameterize(mean, logvar)
z = self.reparameterize(mean, logvar, training)
z = tf.concat([z, z_cond], axis=-1)
x = self.decoder(z, training=training)
@@ -89,3 +94,88 @@ class PyramidLevel(tf.keras.Model):
return x, mean, logvar
class PyramidLevelNew(tf.keras.Model):
def __init__(self, config):
super(PyramidLevelNew, self).__init__()
self.size = config['resolution']
self.encoder = VariationalEncoderNew(config['encoder_depths'], config['encoder_dims'], kernel_size=config['kernel_size'])
self.decoder = DecoderNew(config['decoder_depths'], config['decoder_dims'], config['kernel_size'])
self.upscale_enhancer = None
if config['upscale_enhancer'] != '':
k_size = config['upscale_enhancer_kernel_size'] if 'upscale_enhancer_kernel_size' in config.keys() else ((3 if config['resolution'] <= 64 else 5))
self.upscale_enhancer = UpscalerBasicConv(config['resolution'], kernel_size=k_size)
load_model(self.upscale_enhancer, config['upscale_enhancer'])
self.upscale_enhancer.trainable = not config['upscale_enhancer_freeze']
if config['avg_garment_path'] != '':
self.avg_garment = np.load(config['avg_garment_path'])
else:
self.avg_garment = None
self.reshape = tf.keras.layers.Reshape((8, 4, 64))
def enhance(self, low, mask, training=None):
x = self.upscale_enhancer([low, mask], training=training)
return x
def sample(self, z_cond, uv_mask, noise=None):
if noise is None:
eps = tf.random.normal(shape=(uv_mask.shape[0], self.latent_dim))
else:
eps = noise
z = tf.concat([eps, z_cond], axis=-1)
x = self.decoder(z)
if self.avg_garment is not None:
x = x + self.avg_garment[tf.newaxis,:,:,:]
x = x * uv_mask[:,:,:,tf.newaxis]
return x
def reparameterize(self, mean, logvar, training, fix_noise=False):
if training == True:
if not fix_noise:
eps = tf.random.normal(shape=mean.shape)
else:
eps = tf.random.normal(shape=(1, mean.shape[1]))
eps = tf.tile(eps, [mean.shape[0],1])
out = eps * tf.exp(logvar * .5) + mean
else:
out = tf.exp(logvar * .5) + mean
return out
def call(self, inputs, z_cond, training=None):
uv_unposed, uv_template, uv_body_posed, uv_curv, uv_mask, uv_mask_high = inputs
x = tf.concat([uv_unposed, uv_template, uv_body_posed, uv_curv], axis=-1)
mean, logvar = self.encoder(x, training=training)
z = self.reparameterize(mean, logvar, training)
z = self.reshape(z)
z = tf.concat([z, z_cond], axis=-1)
x = self.decoder(z, training=training)
if self.avg_garment is not None:
x = x + self.avg_garment[tf.newaxis,:,:,:]
x = x * uv_mask[:,:,:,tf.newaxis]
# if self.upscale_enhancer is not None:
# pred_low = self.enhance(x, uv_mask, training=training)
# x = tf.image.resize(pred_low, (512, 256), tf.image.ResizeMethod.LANCZOS5)
# x = x * uv_mask_high[:,:,:,tf.newaxis]
return x, mean, logvar
+4 -4
View File
@@ -49,7 +49,7 @@ class Pyramid(tf.keras.Model):
load_model(self.upscale_enhancer, config['pyramid']['final_upscale_enhancer'])
self.upscale_enhancer.trainable = False
def enhance(self, low, mask, training=None):
def enhance(self, low, mask, training):
x = self.upscale_enhancer([low, mask], training=training)
return x
@@ -63,7 +63,7 @@ class Pyramid(tf.keras.Model):
return z_cond
def call(self, inputs, training=None):
def call(self, inputs, training):
levels_input, conds = inputs
uv_static, uv_body, uv_curv = conds[0], conds[1], conds[2]
z_cond = self.encode_conds(uv_static, uv_body, uv_curv)
@@ -136,7 +136,7 @@ class Pyramid(tf.keras.Model):
# load_model(self.upscale_enhancer, config['pyramid']['final_upscale_enhancer'])
# self.upscale_enhancer.trainable = False
# def enhance(self, low, mask, training=None):
# def enhance(self, low, mask, training):
# x = self.upscale_enhancer([low, mask], training=training)
# return x
@@ -150,7 +150,7 @@ class Pyramid(tf.keras.Model):
# return z_cond
# def call(self, inputs, training=None):
# def call(self, inputs, training):
# levels_input, conds = inputs
# uv_static, uv_body, uv_curv = conds[0], conds[1], conds[2]
# z_cond = self.encode_conds(uv_static, uv_body, uv_curv)
+150 -29
View File
@@ -7,9 +7,8 @@ import numpy as np
# import plotly.express as ex
from custom_utils.custom_utils import load_model
from models.base import AEEncoder
from models.cvae_model import CVAE
from models.pyramid_level import PyramidLevel
from models.base import AEEncoder, AEEncoderNew
from models.pyramid_level import PyramidLevel, PyramidLevelNew
from models.upscaler import UpscalerBasic, UpscalerBasicConv, UpscalerBasicNew
@@ -42,57 +41,65 @@ class Pyramid(tf.keras.Model):
self.levels = [PyramidLevel({ **config['pyramid']['levels'][i], **{ 'cond_ae': config['cond_ae']} }) for i in range(len(config['pyramid']['levels']))]
# self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# self.levels[-3].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# if config['is_cape']:
# if len(config['pyramid']['resolutions']) == 2:
# self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# if len(config['pyramid']['resolutions']) == 3:
# self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# if len(config['pyramid']['resolutions']) == 4:
# self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# self.levels[-3].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# else:
if len(config['pyramid']['resolutions']) == 2:
self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 10)])
if len(config['pyramid']['resolutions']) == 3:
self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 10)])
if len(config['pyramid']['resolutions']) == 4:
if len(config['pyramid']['resolutions']) == 3:
self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 1000)])
self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
self.levels[-3].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 10)])
if len(config['pyramid']['resolutions']) == 5:
if len(config['pyramid']['resolutions']) == 4:
self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 10000)])
self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 1000)])
self.levels[-3].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
self.levels[-4].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 10)])
if len(config['pyramid']['resolutions']) == 5:
self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100000)])
self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 10000)])
self.levels[-3].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 1000)])
self.levels[-4].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
self.add_noise = config['pyramid']['add_noise']
self.noise_amount = config['pyramid']['noise_amount']
self.use_offsets = config['use_offsets']
self.upscale_enhancer = None
if config['pyramid']['final_upscale_enhancer'] != '':
self.upscale_enhancer = UpscalerBasicConv(low_res=config['pyramid']['resolutions'][-1])
k_size = config['pyramid']['final_upscale_enhancer_kernel_size'] if 'final_upscale_enhancer_kernel_size' in config['pyramid'].keys() else ((3 if config['pyramid']['resolutions'][-1] <= 64 else 5))
self.upscale_enhancer = UpscalerBasicConv(low_res=config['pyramid']['resolutions'][-1], kernel_size=k_size)
load_model(self.upscale_enhancer, config['pyramid']['final_upscale_enhancer'])
self.upscale_enhancer.trainable = False
def enhance(self, low, mask, training=None):
def enhance(self, low, mask, training):
x = self.upscale_enhancer([low, mask], training=training)
return x
def encode_conds(self, uv_template, uv_body_posed, uv_curv):
z_static = self.static_enc(uv_template)
z_body = self.body_enc(uv_body_posed)
z_curv = self.curv_enc(uv_curv)
def encode_conds(self, uv_template, uv_body_posed, uv_curv, training):
z_static = self.static_enc(uv_template, training)
z_body = self.body_enc(uv_body_posed, training)
z_curv = self.curv_enc(uv_curv, training)
z_cond = tf.concat([z_static, z_body, z_curv], axis=-1)
z_cond = self.cond_encoder(z_cond)
z_cond = self.cond_encoder(z_cond, training=training)
return z_cond
def call(self, inputs, training=None):
def call(self, inputs, training):
levels_input, conds = inputs
uv_static, uv_body, uv_curv = conds[0], conds[1], conds[2]
z_cond = self.encode_conds(uv_static, uv_body, uv_curv)
z_cond = self.encode_conds(uv_static, uv_body, uv_curv, training)
if self.add_noise:
z_cond = z_cond + tf.random.uniform(z_cond.shape, maxval=10)
if self.add_noise == True and training == True:
z_cond = z_cond + (tf.random.uniform(z_cond.shape, maxval=self.noise_amount * 2) - self.noise_amount)
out_levels = []
pred, mean, logvar = self.levels[0](levels_input[0], z_cond, training=training)
@@ -184,7 +191,7 @@ class Pyramid(tf.keras.Model):
# load_model(self.upscale_enhancer, config['pyramid']['final_upscale_enhancer'])
# self.upscale_enhancer.trainable = False
# def enhance(self, low, mask, training=None):
# def enhance(self, low, mask, training):
# x = self.upscale_enhancer([low, mask], training=training)
# return x
@@ -198,7 +205,7 @@ class Pyramid(tf.keras.Model):
# return z_cond
# def call(self, inputs, training=None):
# def call(self, inputs, training):
# levels_input, conds = inputs
# uv_static, uv_body, uv_curv = conds[0], conds[1], conds[2]
# z_cond = self.encode_conds(uv_static, uv_body, uv_curv)
@@ -241,4 +248,118 @@ class Pyramid(tf.keras.Model):
# [pred_0, mean_0, logvar_0]
# ]
# return out_levels
# return out_levels
class PyramidNew(tf.keras.Model):
def __init__(self, config):
super(PyramidNew, self).__init__()
self.static_enc : AEEncoderNew = AEEncoderNew(config['cond_ae_static']['encoder_depths'], config['cond_ae_static']['encoder_dims'], config['cond_ae_static']['kernel_size'], config['cond_ae_static']['activation'])
if config['pyramid']['static_model'] != '':
load_model(self.static_enc, config['pyramid']['static_model'] + '_enc')
self.body_enc : AEEncoderNew = AEEncoderNew(config['cond_ae_body']['encoder_depths'], config['cond_ae_body']['encoder_dims'], config['cond_ae_body']['kernel_size'])
if config['pyramid']['body_model'] != '':
load_model(self.body_enc, config['pyramid']['body_model'] + '_enc')
self.curv_enc : AEEncoderNew = AEEncoderNew(config['cond_ae_curv']['encoder_depths'], config['cond_ae_curv']['encoder_dims'], config['cond_ae_curv']['kernel_size'], config['cond_ae_curv']['activation'])
if config['pyramid']['curvature_model'] != '':
load_model(self.curv_enc, config['pyramid']['curvature_model'] + '_enc')
if config['pyramid']['freeze_encoders']:
self.static_enc.trainable = False
self.body_enc.trainable = False
self.curv_enc.trainable = False
self.levels = [PyramidLevelNew({ **config['pyramid']['levels'][i] }) for i in range(len(config['pyramid']['levels']))]
# if len(config['pyramid']['resolutions']) == 2:
# self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# if len(config['pyramid']['resolutions']) == 3:
# self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 1000)])
# self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# if len(config['pyramid']['resolutions']) == 4:
# self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 10000)])
# self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 1000)])
# self.levels[-3].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
# if len(config['pyramid']['resolutions']) == 5:
# self.levels[-1].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100000)])
# self.levels[-2].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 10000)])
# self.levels[-3].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 1000)])
# self.levels[-4].decoder.decoder.last = tf.keras.Sequential([tf.keras.layers.Dense(3), tf.keras.layers.Lambda(lambda x: x / 100)])
self.add_noise = config['pyramid']['add_noise']
self.noise_amount = config['pyramid']['noise_amount']
self.use_offsets = config['use_offsets']
self.upscale_enhancer = None
if config['pyramid']['final_upscale_enhancer'] != '':
k_size = config['pyramid']['final_upscale_enhancer_kernel_size'] if 'final_upscale_enhancer_kernel_size' in config['pyramid'].keys() else ((3 if config['pyramid']['resolutions'][-1] <= 64 else 5))
self.upscale_enhancer = UpscalerBasicConv(low_res=config['pyramid']['resolutions'][-1], kernel_size=k_size)
load_model(self.upscale_enhancer, config['pyramid']['final_upscale_enhancer'])
self.upscale_enhancer.trainable = False
def enhance(self, low, mask, training):
x = self.upscale_enhancer([low, mask], training=training)
return x
def encode_conds(self, uv_template, uv_body_posed, uv_curv, training):
z_static = self.static_enc(uv_template, training)
z_body = self.body_enc(uv_body_posed, training)
z_curv = self.curv_enc(uv_curv, training)
z_cond = tf.concat([z_static, z_body, z_curv], axis=-1)
return z_cond
def call(self, inputs, training):
levels_input, conds = inputs
uv_static, uv_body, uv_curv = conds[0], conds[1], conds[2]
z_cond = self.encode_conds(uv_static, uv_body, uv_curv, training)
if self.add_noise == True and training == True:
z_cond = z_cond + (tf.random.uniform(z_cond.shape, maxval=self.noise_amount * 2) - self.noise_amount)
out_levels = []
pred, mean, logvar = self.levels[0](levels_input[0], z_cond, training=training)
if self.use_offsets:
pred = pred + levels_input[0][2] # uv_body_posed_32
if 1 != len(self.levels):
pred = self.levels[0].enhance(pred, levels_input[0][-2], training=training) # levels_input[i][-2]=uv_mask_res
pred = tf.image.resize(pred, (self.levels[1].size, self.levels[1].size//2), tf.image.ResizeMethod.BILINEAR)
out_levels.append([pred, mean, logvar])
pred = pred * levels_input[1][-2][:,:,:,tf.newaxis]
else:
# pred = self.enhance(pred, levels_input[0][-2], training=training)
pred = self.levels[0].enhance(pred, levels_input[0][-2], training=training) # levels_input[i][-2]=uv_mask_res
pred = tf.image.resize(pred, (512, 256), tf.image.ResizeMethod.BILINEAR)
pred = pred * levels_input[-1][-1][:,:,:,tf.newaxis] # full res uv mask
out_levels.append([pred, mean, logvar])
for i in range(1, len(self.levels)):
input = levels_input[i]
input[0] = input[0] - pred
input_min, input_max = tf.reduce_min(input[0], axis=[1,2,3]), tf.reduce_max(input[0], axis=[1,2,3])
input[0] = (input[0] - input_min[:,None,None,None]) / (input_max - input_min)[:,None,None,None]
input[0] = input[0] * input[-2][:,:,:,None] # uv_mask_res
pred_level, mean, logvar = self.levels[i](input, z_cond, training=training)
pred_level = ( (pred_level * (input_max - input_min)[:,None,None,None]) + input_min[:,None,None,None] ) * input[-2][:,:,:,None] # uv_mask_res
pred = pred + pred_level
if i != len(self.levels) - 1:
pred = self.levels[i].enhance(pred, levels_input[i][-2], training=training)
out_levels.append([pred, mean, logvar])
pred = tf.image.resize(pred, (self.levels[i+1].size, self.levels[i+1].size//2), tf.image.ResizeMethod.BILINEAR)
pred = pred * levels_input[i+1][-2][:,:,:,tf.newaxis]
else:
# if self.upscale_enhancer is not None:
# pred = self.enhance(pred, levels_input[-1][-2], training=training)
pred = self.levels[-1].enhance(pred, levels_input[-1][-2], training=training)
pred = tf.image.resize(pred, (512, 256), tf.image.ResizeMethod.BILINEAR)
pred = pred * levels_input[-1][-1][:,:,:,tf.newaxis] # full res uv mask
out_levels.append([pred, mean, logvar])
return out_levels
+6 -6
View File
@@ -12,7 +12,7 @@ class Bottleneck(tf.keras.Model):
layer_scale_init_value=1e-6, prefix=f'bottleneck{j}') for j in range(5)]
)
def call(self, inputs, training=None):
def call(self, inputs, training):
x = inputs
x = self.bottleneck(x, training=training)
@@ -35,7 +35,7 @@ class Upscaler(tf.keras.Model):
self.decoder = ConvNeXtReverseWithSkip(depths=depths, dims=reverse_dims, kernel_size=3)
def call(self, inputs, training=None):
def call(self, inputs, training):
img, mask = inputs
img = tf.transpose(img, [0,2,3,1])
@@ -74,7 +74,7 @@ class UpscalerBasic(tf.keras.Model):
self.reshape = tf.keras.layers.Reshape((low_res, (low_res//2), 3))
def call(self, inputs, training=None):
def call(self, inputs, training):
img, mask = inputs
x = self.flatten(img)
@@ -110,7 +110,7 @@ class UpscalerBasicNew(tf.keras.Model):
self.reshape = tf.keras.layers.Reshape((low_res, (low_res//2), 3), name='upscale_enhancer_reshape')
def call(self, inputs, training=None):
def call(self, inputs, training):
img, mask = inputs
x = self.flatten(img)
@@ -143,7 +143,7 @@ class UpscalerBasicConv(tf.keras.Model):
])
def call(self, inputs, training=None):
def call(self, inputs, training):
img, mask = inputs
x = self.seq(img, training=training)
@@ -160,7 +160,7 @@ class UpscalerBasicConv(tf.keras.Model):
# self.decoder = ConvNeXtReverse(depths=list(reversed([9, 9, 9])), dims=list(reversed([bottleneck_size, 128, 32, 16])))
# def call(self, inputs, training=None):
# def call(self, inputs, training):
# x, mask = inputs
# x = tf.transpose(x, [0,2,3,1])