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num_layers (int): Number of layers to create.
in_size (int): The input size to the first layer.
state_size (int): The size of the states.
model (dy.ParameterCollection): The parameter collection for the model.
name (str, optional): The name of the multilayer LSTM.
"""
params = []
in_size = in_size
state_size = state_size
for i in range(num_layers):
layer_name = name + "-" + str(i)
print(
"LSTM " +
layer_name +
": " +
str(in_size) +
" x " +
str(state_size) +
"; default Dynet initialization of hidden weights")
params.append(dy.VanillaLSTMBuilder(1,
in_size,
state_size,
model))
in_size = state_size
return params
def add_params(model, size, name=""):
""" Adds parameters to the model.
Inputs:
model (dy.ParameterCollection): The parameter collection for the model.
size (tuple of int): The size to create.
name (str, optional): The name of the parameters.
"""
if len(size) == 1:
print("vector " + name + ": " +
str(size[0]) + "; uniform in [-0.1, 0.1]")
else:
print("matrix " +
name +
": " +
str(size[0]) +
" x " +
str(size[1]) +
"; uniform in [-0.1, 0.1]")
return model.add_parameters(size,
init=dy.UniformInitializer(0.1),
name=name)
# <FILESEP>
"""
data loder for loading data
"""
import os
import math
import torch
import torch.utils.data as data
import numpy as np
from PIL import Image
import torchvision
import torchvision.datasets as dsets
import torchvision.transforms as transforms
import struct
__all__ = ["DataLoader", "PartDataLoader"]
class ImageLoader(data.Dataset):
def __init__(self, dataset_dir, transform=None, target_transform=None):
class_list = os.listdir(dataset_dir)
datasets = []
for cla in class_list:
cla_path = os.path.join(dataset_dir, cla)
files = os.listdir(cla_path)
for file_name in files:
file_path = os.path.join(cla_path, file_name)
if os.path.isfile(file_path):
# datasets.append((file_path, tuple([float(v) for v in int(cla)])))
datasets.append((file_path, [float(cla)]))
# print(datasets)
# assert False
self.dataset_dir = dataset_dir
self.datasets = datasets
self.transform = transform
self.target_transform = target_transform
def __getitem__(self, index):
frames = []
file_path, label = self.datasets[index]
noise = torch.load(file_path, map_location=torch.device('cpu'))
return noise, torch.Tensor(label)
def __len__(self):
return len(self.datasets)