from model.AttentiveRNN import AttentiveRNN from model.Autoencoder import AutoEncoder from torch import nn from torch import sum, pow, abs class Generator(nn.Module): def __init__(self, repetition, blocks=3, layers=1, input_ch=3, out_ch=32, kernel_size=None, stride=1, padding=1, groups=1, dilation=1): super(Generator, self).__init__() if kernel_size is None: kernel_size = [3, 3] self.attentiveRNN = AttentiveRNN(repetition, blocks=blocks, layers=layers, input_ch=input_ch, out_ch=out_ch, kernel_size=None, stride=stride, padding=padding, groups=groups, dilation=dilation ) self.autoencoder = AutoEncoder() self.blocks = blocks self.layers = layers self.input_ch = input_ch self.out_ch = out_ch self.kernel_size = kernel_size self.stride = stride self.padding = padding self.groups = groups self.dilation = dilation self.sigmoid = nn.Sigmoid() self.name = "Generator of Attentive GAN" def forward(self, x): attentiveRNNresults = self.attentiveRNN(x) x = self.autoencoder(attentiveRNNresults['x'] * attentiveRNNresults['attention_map_list'][-1]) ret = { 'x' : x, 'attention_maps' : attentiveRNNresults['attention_map_list'] } return ret def binary_diff_mask(self, clean, dirty, thresold=0.1): # this parts corrects gamma, and always remember, sRGB values are not in linear scale with lights intensity, clean = pow(clean, 0.45) dirty = pow(dirty, 0.45) diff = abs(clean - dirty) diff = sum(diff, dim=1) bin_diff = (diff >= thresold).to(clean.dtype) return bin_diff def loss(self, clean, dirty, thresold=0.1): # check diff if they are working as intended diff_mask = self.binary_diff_mask(clean, dirty, thresold) attentive_rnn_loss = self.attentiveRNN.loss(clean, diff_mask) autoencoder_loss = self.autoencoder.loss(clean, dirty) ret = { "attentive_rnn_loss" : attentive_rnn_loss, "autoencoder_loss" : autoencoder_loss, } return ret if __name__ == "__main__": import torch from torchinfo import summary torch.set_default_tensor_type(torch.FloatTensor) generator = Generator(3, blocks=2) batch_size = 2 summary(generator, input_size=(batch_size, 3, 720,720))