mirror of
https://github.com/iperov/DeepFaceLab.git
synced 2025-07-06 04:52:13 -07:00
225 lines
8.6 KiB
Python
225 lines
8.6 KiB
Python
import os
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import pickle
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from functools import partial
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from pathlib import Path
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import cv2
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import numpy as np
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from core.interact import interact as io
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from core.leras import nn
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"""
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Dataset used to train located in official DFL mega.nz folder
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https://mega.nz/#F!b9MzCK4B!zEAG9txu7uaRUjXz9PtBqg
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using https://github.com/ternaus/TernausNet
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TernausNet: U-Net with VGG11 Encoder Pre-Trained on ImageNet for Image Segmentation
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"""
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class TernausNet(object):
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VERSION = 1
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def __init__ (self, name, resolution, face_type_str, load_weights=True, weights_file_root=None, training=False, place_model_on_cpu=False):
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nn.initialize(data_format="NHWC")
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tf = nn.tf
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class Ternaus(nn.ModelBase):
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def on_build(self, in_ch, base_ch):
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self.features_0 = nn.Conv2D (in_ch, base_ch, kernel_size=3, padding='SAME')
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self.blurpool_0 = nn.BlurPool (filt_size=3)
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self.features_3 = nn.Conv2D (base_ch, base_ch*2, kernel_size=3, padding='SAME')
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self.blurpool_3 = nn.BlurPool (filt_size=3)
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self.features_6 = nn.Conv2D (base_ch*2, base_ch*4, kernel_size=3, padding='SAME')
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self.features_8 = nn.Conv2D (base_ch*4, base_ch*4, kernel_size=3, padding='SAME')
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self.blurpool_8 = nn.BlurPool (filt_size=3)
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self.features_11 = nn.Conv2D (base_ch*4, base_ch*8, kernel_size=3, padding='SAME')
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self.features_13 = nn.Conv2D (base_ch*8, base_ch*8, kernel_size=3, padding='SAME')
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self.blurpool_13 = nn.BlurPool (filt_size=3)
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self.features_16 = nn.Conv2D (base_ch*8, base_ch*8, kernel_size=3, padding='SAME')
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self.features_18 = nn.Conv2D (base_ch*8, base_ch*8, kernel_size=3, padding='SAME')
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self.blurpool_18 = nn.BlurPool (filt_size=3)
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self.conv_center = nn.Conv2D (base_ch*8, base_ch*8, kernel_size=3, padding='SAME')
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self.conv1_up = nn.Conv2DTranspose (base_ch*8, base_ch*4, kernel_size=3, padding='SAME')
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self.conv1 = nn.Conv2D (base_ch*12, base_ch*8, kernel_size=3, padding='SAME')
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self.conv2_up = nn.Conv2DTranspose (base_ch*8, base_ch*4, kernel_size=3, padding='SAME')
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self.conv2 = nn.Conv2D (base_ch*12, base_ch*8, kernel_size=3, padding='SAME')
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self.conv3_up = nn.Conv2DTranspose (base_ch*8, base_ch*2, kernel_size=3, padding='SAME')
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self.conv3 = nn.Conv2D (base_ch*6, base_ch*4, kernel_size=3, padding='SAME')
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self.conv4_up = nn.Conv2DTranspose (base_ch*4, base_ch, kernel_size=3, padding='SAME')
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self.conv4 = nn.Conv2D (base_ch*3, base_ch*2, kernel_size=3, padding='SAME')
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self.conv5_up = nn.Conv2DTranspose (base_ch*2, base_ch//2, kernel_size=3, padding='SAME')
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self.conv5 = nn.Conv2D (base_ch//2+base_ch, base_ch, kernel_size=3, padding='SAME')
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self.out_conv = nn.Conv2D (base_ch, 1, kernel_size=3, padding='SAME')
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def forward(self, inp):
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x, = inp
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x = x0 = tf.nn.relu(self.features_0(x))
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x = self.blurpool_0(x)
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x = x1 = tf.nn.relu(self.features_3(x))
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x = self.blurpool_3(x)
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x = tf.nn.relu(self.features_6(x))
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x = x2 = tf.nn.relu(self.features_8(x))
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x = self.blurpool_8(x)
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x = tf.nn.relu(self.features_11(x))
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x = x3 = tf.nn.relu(self.features_13(x))
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x = self.blurpool_13(x)
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x = tf.nn.relu(self.features_16(x))
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x = x4 = tf.nn.relu(self.features_18(x))
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x = self.blurpool_18(x)
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x = self.conv_center(x)
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x = tf.nn.relu(self.conv1_up(x))
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x = tf.concat( [x,x4], -1)
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x = tf.nn.relu(self.conv1(x))
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x = tf.nn.relu(self.conv2_up(x))
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x = tf.concat( [x,x3], -1)
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x = tf.nn.relu(self.conv2(x))
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x = tf.nn.relu(self.conv3_up(x))
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x = tf.concat( [x,x2], -1)
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x = tf.nn.relu(self.conv3(x))
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x = tf.nn.relu(self.conv4_up(x))
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x = tf.concat( [x,x1], -1)
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x = tf.nn.relu(self.conv4(x))
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x = tf.nn.relu(self.conv5_up(x))
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x = tf.concat( [x,x0], -1)
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x = tf.nn.relu(self.conv5(x))
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logits = self.out_conv(x)
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return logits, tf.nn.sigmoid(logits)
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if weights_file_root is not None:
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weights_file_root = Path(weights_file_root)
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else:
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weights_file_root = Path(__file__).parent
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self.weights_file_root = weights_file_root
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with tf.device ('/CPU:0'):
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#Place holders on CPU
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self.input_t = tf.placeholder (nn.tf_floatx, nn.get4Dshape(resolution,resolution,3) )
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self.target_t = tf.placeholder (nn.tf_floatx, nn.get4Dshape(resolution,resolution,1) )
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# Initializing model classes
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with tf.device ('/CPU:0' if place_model_on_cpu else '/GPU:0'):
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self.net = Ternaus(3, 64, name='Ternaus')
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self.net_weights = self.net.get_weights()
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self.model_filename_list = [ [self.net, '%s_%d_%s.npy' % (name, resolution, face_type_str) ] ]
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if training:
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self.opt = nn.TFRMSpropOptimizer(lr=0.0001, name='opt')
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self.opt.initialize_variables (self.net_weights, vars_on_cpu=place_model_on_cpu)
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self.model_filename_list += [ [self.opt, '%s_%d_%s_opt.npy' % (name, resolution, face_type_str) ] ]
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else:
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_, pred = self.net([self.input_t])
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def net_run(input_np):
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return nn.tf_sess.run ( [pred], feed_dict={self.input_t :input_np})[0]
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self.net_run = net_run
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# Loading/initializing all models/optimizers weights
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for model, filename in io.progress_bar_generator(self.model_filename_list, "Initializing models"):
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do_init = not load_weights
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if not do_init:
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do_init = not model.load_weights( self.weights_file_root / filename )
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if do_init:
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model.init_weights()
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if model == self.net:
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try:
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with open( Path(__file__).parent / 'vgg11_enc_weights.npy', 'rb' ) as f:
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d = pickle.loads (f.read())
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for i in [0,3,6,8,11,13,16,18]:
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model.get_layer_by_name ('features_%d' % i).set_weights ( d['features.%d' % i] )
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except:
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io.log_err("Unable to load VGG11 pretrained weights from vgg11_enc_weights.npy")
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def save_weights(self):
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for model, filename in io.progress_bar_generator(self.model_filename_list, "Saving"):
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model.save_weights( self.weights_file_root / filename )
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def extract (self, input_image):
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input_shape_len = len(input_image.shape)
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if input_shape_len == 3:
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input_image = input_image[None,...]
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result = np.clip ( self.net_run(input_image), 0, 1.0 )
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result[result < 0.1] = 0 #get rid of noise
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if input_shape_len == 3:
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result = result[0]
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return result
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"""
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if load_weights:
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self.net.load_weights (self.weights_path)
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else:
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self.net.init_weights()
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if load_weights:
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self.opt.load_weights (self.opt_path)
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else:
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self.opt.init_weights()
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"""
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"""
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if training:
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try:
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with open( Path(__file__).parent / 'vgg11_enc_weights.npy', 'rb' ) as f:
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d = pickle.loads (f.read())
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for i in [0,3,6,8,11,13,16,18]:
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s = 'features.%d' % i
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self.model.get_layer (s).set_weights ( d[s] )
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except:
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io.log_err("Unable to load VGG11 pretrained weights from vgg11_enc_weights.npy")
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conv_weights_list = []
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for layer in self.model.layers:
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if 'CA.' in layer.name:
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conv_weights_list += [layer.weights[0]] #Conv2D kernel_weights
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CAInitializerMP ( conv_weights_list )
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"""
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"""
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if training:
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inp_t = Input ( (resolution, resolution, 3) )
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real_t = Input ( (resolution, resolution, 1) )
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out_t = self.model(inp_t)
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loss = K.mean(10*K.binary_crossentropy(real_t,out_t) )
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out_t_diff1 = out_t[:, 1:, :, :] - out_t[:, :-1, :, :]
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out_t_diff2 = out_t[:, :, 1:, :] - out_t[:, :, :-1, :]
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total_var_loss = K.mean( 0.1*K.abs(out_t_diff1), axis=[1, 2, 3] ) + K.mean( 0.1*K.abs(out_t_diff2), axis=[1, 2, 3] )
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opt = Adam(lr=0.0001, beta_1=0.5, beta_2=0.999, tf_cpu_mode=2)
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self.train_func = K.function ( [inp_t, real_t], [K.mean(loss)], opt.get_updates( [loss], self.model.trainable_weights) )
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"""
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