def __init__(self, param, io):
self._io = io
super(RNN_model, self).__init__(
l1 = L.Linear(io[0],param[0]),
l2 = L.LSTM(param[0],param[1]), #LSTM
l3 = L.Linear(param[1],io[1]),
)
def __init__(self, jv, ev, k):
super(MyMT, self).__init__(
embedx=L.EmbedID(jv, k),
embedy=L.EmbedID(ev, k),
H=L.LSTM(k, k),
W=L.Linear(k, ev),
)
def __init__(self):
super(LSTM_VGG, self).__init__(
conv1_1=L.Convolution2D(3, 64, 3, stride=1, pad=1),
conv1_2=L.Convolution2D(64, 64, 3, stride=1, pad=1),
conv2_1=L.Convolution2D(64, 128, 3, stride=1, pad=1),
conv2_2=L.Convolution2D(128, 128, 3, stride=1, pad=1),
#conv3_1_b=L.Convolution2D(None, 256, 3, stride=1, pad=1),
#conv3_2_b=L.Convolution2D(None, 256, 3, stride=1, pad=1),
#conv3_3_b=L.Convolution2D(None, 512, 3, stride=1, pad=1),
conv4_1_b=L.Convolution2D(None, 128, 3, stride=1, pad=1),
#conv4_2=L.Convolution2D(512, 512, 3, stride=1, pad=1),
#conv4_3=L.Convolution2D(512, 512, 3, stride=1, pad=1),
#conv5_1=L.Convolution2D(512, 512, 3, stride=1, pad=1),
#conv5_2=L.Convolution2D(512, 512, 3, stride=1, pad=1),
#conv5_3=L.Convolution2D(512, 512, 3, stride=1, pad=1),
#fc6_b=L.Convolution2D(128, 128, 7),
#fc7=L.Convolution2D(4096, 4096, 1),
#fc8=L.Convolution2D(4096, 1, 1)
#fc9=L.Linear(4096, 4)
#ここからLSTM
l8=L.LSTM(None, 128),
fc9=L.Linear(None, 3))
self.train = True
def __init__(self, word_num, feature_num, hidden_num):
super(ImageCaption, self).__init__(
word_vec=L.EmbedID(word_num, hidden_num),
image_vec=L.Linear(feature_num, hidden_num),
lstm=L.LSTM(hidden_num, hidden_num),
out_word=L.Linear(hidden_num, word_num),
)
def __init__(self, n_class, in_ch, n_e=24*2, n_h=48*2, g_size=32, n_step=8, scale=3, var=7.5):
w = math.sqrt(2) # MSRA scaling
n_ch_after_core = 256
n_emb_l =128
# n_ch_in_core = n_h*2*math.ceil(g_size/8)*math.ceil(g_size/8)
n_ch_in_core = n_h*math.ceil(g_size/4)*math.ceil(g_size/4)
super().__init__(
emb_l = L.Linear(2, n_emb_l), # embed location
emb_x = L.MLPConvolution2D( \
in_ch*scale, (n_e, n_e, n_e), 5, pad=2, wscale=w), # embed image
conv_loc_to_glimpse = L.Linear(n_emb_l, n_ch_in_core), # loc to glimpse. output channel is n_h, if FC.
conv_image_to_glimpse = L.MLPConvolution2D( \
n_e, (n_h, n_h, n_h), 5, pad=2, wscale=w), # image to glimpse
core_lstm = L.LSTM(n_ch_in_core, n_ch_after_core), # core LSTM. in the paper, named recurrent network.
fc_ha = L.Linear(n_ch_after_core, n_class), # core to action(from core_lstm to action)
fc_hl = L.Linear(n_ch_after_core, 2), # core to loc(from core_lstm to loc). in the paper, named emission network.
fc_hb = L.Linear(n_ch_after_core, 1), # core to baseline(from core_lstm to baseline)
)
self.g_size = g_size
self.n_step = n_step
self.scale = scale
self.var = var
self.train = True
self.n_class = n_class
self.active_learn = False
def __init__(self,
input_dim,
output_dim,
hidden_units,
w_scale=0.01,
activation='relu'):
"""
Creates a basic recurrent NN.
:param input_dim: type int, the dimension of input
:param output_dim: type int, the dimension of output
:param hidden_units: type int, the dimension of hidden layers
:param w_scale: type float, the scale used to initialize the weights, look
at Chainer initialization
:param activation: type str, the activation used in network
"""
super(RecNN,
self).__init__(input_layer=links.Linear(input_dim,
hidden_units,
wscale=w_scale,
bias=initial_bias),
mid_rec_layer=links.LSTM(hidden_units,
hidden_units,
forget_bias_init=0.,
lateral_init=w_scale,
upward_init=w_scale),
output_layer=links.Linear(hidden_units,
output_dim,
wscale=w_scale))
self.lstm_c = self['mid_rec_layer'].c
self.lstm_h = self['mid_rec_layer'].h
logger.log(msg='Initialized network {}.'.format(
self.__class__.__name__),
level=logging.INFO)
self.activation = getattr(fun, activation)
def __init__(self, image_feature_number, word_length, hidden_num):
super(ImageCaptionGenerator, self).__init__(
image_vec=L.Linear(image_feature_number, hidden_num),
word_vec=L.EmbedID(word_length, hidden_num),
lstm=L.LSTM(hidden_num, hidden_num),
output=L.Linear(hidden_num, word_length)
)
def __init__(self, n_hid, rnn_size): # 44*44, 1096
super().__init__(
image_attention = Attention(n_hid, rnn_size),
rev_lstm = L.LSTM(rnn_size, rnn_size), # size of h_i is ch
)
self.align_source = None
self.pre_hidden_state = None
def __init__(self, in_size, n_units, train=True):
super(LSTM, self).__init__(
l1=L.Linear(in_size, n_units),
l2=L.LSTM(n_units, n_units),
l3=L.Linear(n_units, in_size),
)
self.train = train
def __init__(self, imsize, conditional):
self.imsize = imsize
self.f = F.relu # activation func for encoding part
self.conditional = conditional
super().__init__()
with self.init_scope():
# image encoding part
in_channel = 2 if self.conditional else 1
self.e1_c1 = L.Convolution2D(in_channel, 32, ksize=5)
# action observation encoding part
self.e1_l1_a1 = L.Linear(1, 16)
self.e1_l1_a2 = L.Linear(1, 16)
# convolution after concat
self.e2_c1 = L.Convolution2D(32, 32, stride=2, ksize=4)
self.e2_c2 = L.Convolution2D(32, 32, stride=2, ksize=4)
self.e2_c3 = L.Convolution2D(32, 32, stride=2, ksize=4)
self.e2_l1 = L.Linear(800, 256)
# lstm
self.lstm = L.LSTM(256, 256)
# decoding part
self.decoder = AutoregressiveDecoder(256)
def __init__(self, n_fv, n_units, n_vocab, ratio=1., train=True):
super(RNNLM_FV_1layer, self).__init__(
l1=L.LSTM(n_fv, n_units),
l2=L.Linear(n_units, n_vocab),
)
self.train = train
self.ratio = 1. - ratio
def __init__(self, jv, ev, k, jvocab, evocab):
super(seq2seq, self).__init__(
embedx = L.EmbedID(jv, k),
embedy = L.EmbedID(ev, k),
H = L.LSTM(k, k),
W = L.Linear(k, ev),
)
def __init__(self):
super(MLP, self).__init__()
with self.init_scope():
self.fc1 = L.Linear(1, 5)
self.lstm = L.LSTM(5, 5)
self.fc2 = L.Linear(5, 1)
def __init__(self, trial, width, height, action_size, lstm_size=128):
obs_size = width * height
self.head = MyHead(trial, width=width, height=height)
self.lstm = L.LSTM(self.head.n_output_channels, lstm_size)
self.pi = policies.FCSoftmaxPolicy(lstm_size, action_size)
self.v = v_function.FCVFunction(lstm_size)
super().__init__(self.head, self.lstm, self.pi, self.v)
def __init__(self, jv, ev, k): # vocab num Japanese(jv), English(ev)
super(MyMT, self).__init__(
embedx=L.EmbedID(jv, k), # k次元分散表現
embedy=L.EmbedID(ev, k), # k次元分散表現
H=L.LSTM(k, k),
W=L.Linear(k, ev),
)
def __init__(self, n_units, n_layers):
super(StackedLSTMLayers, self).__init__(
*[L.LSTM(n_units, n_units) for i in range(n_layers)])
self.add_persistent('n_layers', n_layers)
for param in self.params():
param.data[...] = np.random.uniform(-0.1, 0.1, param.data.shape)
def __init__(self,
g_size=8,
n_steps=6,
n_scales=1,
var=0.03,
use_lstm=False):
d_glm = 128
d_core = 256
super(RAM, self).__init__(
emb_l=L.Linear(2, d_glm),
emb_x=L.Linear(g_size * g_size * n_scales, d_glm),
fc_lg=L.Linear(d_glm, d_core),
fc_xg=L.Linear(d_glm, d_core),
fc_ha=L.Linear(d_core, 10),
fc_hl=L.Linear(d_core, 2),
fc_hb=L.Linear(d_core, 1),
)
if use_lstm:
self.add_link(name='core_lstm', link=L.LSTM(d_core, d_core))
else:
self.add_link(name='core_hh', link=L.Linear(d_core, d_core))
self.add_link(name='core_gh', link=L.Linear(d_core, d_core))
self.use_lstm = use_lstm
self.d_core = d_core
self.g_size = g_size
self.n_steps = n_steps
self.n_scales = n_scales
self.var = var
def __init__(self, input_num, action_num):
print("DRQN Model", input_num, action_num)
super(DRQN, self).__init__(
fc1=L.Linear(input_num, 256),
lstm=L.LSTM(256, 256),
fc2=L.Linear(256, action_num),
)
def __init__(self, n_units, n_out, train=True):
super(MLP, self).__init__()
with self.init_scope():
# the size of the inputs to each layer will be inferred
self.l1 = L.LSTM(None, n_units, lateral_init=chainer.initializers.Normal(scale=0.01)) # n_in -> n_units
self.l2 = L.Linear(None, n_out, initialW=chainer.initializers.Normal(scale=0.01)) # n_units -> n_ou
self.train = train
def __init__(self, j_numvocab, e_vocab, dim):
super(MyMT, self).__init__(
embedx=L.EmbedID(j_numvocab, dim), # jp input-x
embedy=L.EmbedID(e_numvocab, dim), # eng input-y
H=L.LSTM(dim, dim), # LSTM output (recurrent part)
W=L.Linear(dim, e_numvocab) # Total output
)
def __init__(self, n_units, gpu):
super(NSE, self).__init__(read_lstm=L.LSTM(n_units, n_units),
write_lstm=L.LSTM(2 * n_units, n_units),
compose_l1=F.Linear(2 * n_units,
2 * n_units),
h_l1=F.Linear(4 * n_units, 1024),
l_y=F.Linear(1024, 3))
self.__n_units = n_units
self.__gpu = gpu
self.__mod = cuda.cupy if gpu >= 0 else np
for param in self.params():
data = param.data
data[:] = np.random.uniform(-0.1, 0.1, data.shape)
if gpu >= 0:
cuda.get_device(gpu).use()
self.to_gpu()
def __init__(self, in_size, hidden_size, hidden2_size, out_size):
super(LSTM, self).__init__(
xh=L.EmbedID(in_size, hidden_size),
hh=L.LSTM(hidden_size, hidden2_size),
hh2=L.Linear(hidden2_size, hidden2_size),
hy=L.Linear(hidden2_size, out_size),
)
def __init__(self, vocab_size, embed_size, hidden_size, out_size):
super(LSTM_SentenceClassifier,
self).__init__(xe=L.EmbedID(vocab_size,
embed_size,
ignore_label=-1),
eh=L.LSTM(embed_size, hidden_size),
hy=L.Linear(hidden_size * 2, out_size))
def __init__(self, dropout_ratio, num_timesteps, zoom=0.9):
super(SVHNLocalizationNet, self).__init__()
with self.init_scope():
self.conv0 = L.Convolution2D(None, 32, 3, pad=1)
self.bn0 = L.BatchNormalization(32)
self.rs1 = ResnetBlock(32)
self.rs2 = ResnetBlock(48, filter_increase=True)
self.rs3 = ResnetBlock(48)
self.lstm = L.LSTM(None, 256)
self.transform_2 = L.Linear(256, 6)
# initialize transform
self.transform_2.W.data[...] = 0
transform_bias = self.transform_2.b.data
transform_bias[[0, 4]] = zoom
transform_bias[[2, 5]] = 0
self.dropout_ratio = dropout_ratio
self._train = True
self.num_timesteps = num_timesteps
self.vis_anchor = None
self.width_encoding = None
self.height_encoding = None
def __init__(self, in_units=1, hidden_units=2, out_units=1, train=True):
super(LSTM, self).__init__(
l1=L.Linear(in_units, hidden_units),
l2=L.LSTM(hidden_units, hidden_units),
l3=L.Linear(hidden_units, out_units),
)
self.train = True
def __init__(self, i_size, h_size, o_size, train):
self.train = train
super(Model_Atr, self).__init__(
i_h=L.Linear(i_size, h_size),
h_h=L.LSTM(h_size, h_size),
h_o=L.Linear(h_size, o_size),
)
def __init__(self, jv, ev, k):
super(MyMT, self).__init__(
embedx=L.EmbedID(jv, k),
embedy=L.EmbedID(ev, k),
H=L.LSTM(k, k), # LSTM output -> history
W=L.Linear(k, ev) # total output
)
def __init__(self,
deep,
gpu,
word2index,
in_units,
hidden_units,
out_units,
loss_func,
train,
drop_ratio=0.0):
n_vocab = len(word2index)
# harman - modified F.EmbedID to L.EmbedID
l2r_embedding = L.EmbedID(n_vocab, in_units)
r2l_embedding = L.EmbedID(n_vocab, in_units)
if deep:
super(BiLstmContext, self).__init__(
l2r_embed=l2r_embedding,
r2l_embed=r2l_embedding,
loss_func=loss_func,
l2r_1=L.LSTM(in_units, hidden_units),
r2l_1=L.LSTM(in_units, hidden_units),
l3=L.Linear(2 * hidden_units, 2 * hidden_units),
l4=L.Linear(2 * hidden_units, out_units),
)
else:
super(BiLstmContext,
self).__init__(l2r_embed=l2r_embedding,
r2l_embed=r2l_embedding,
loss_func=loss_func,
l2r_1=L.LSTM(in_units, hidden_units),
r2l_1=L.LSTM(in_units, hidden_units),
lp_l2r=L.Linear(hidden_units, out_units / 2),
lp_r2l=L.Linear(hidden_units, out_units / 2))
if gpu >= 0:
self.to_gpu()
l2r_embedding.W.data = self.xp.random.normal(
0, math.sqrt(1. / l2r_embedding.W.data.shape[0]),
l2r_embedding.W.data.shape).astype(np.float32)
r2l_embedding.W.data = self.xp.random.normal(
0, math.sqrt(1. / r2l_embedding.W.data.shape[0]),
r2l_embedding.W.data.shape).astype(np.float32)
self.word2index = word2index
self.train = chainer.using_config('train', train)
self.deep = deep
self.drop_ratio = drop_ratio
def __init__(self, n_units=256, n_out=0, img_size=112, var=0.18, n_step=2, gpu_id=-1):
super(BASE, self).__init__(
# the size of the inputs to each layer will be inferred
# glimpse network
# 切り取られた画像を処理する部分 位置情報 (glimpse loc)と画像特徴量の積を出力
glimpse_cnn_1=L.Convolution2D(1, 8, 5), # in 28 out 24
glimpse_cnn_2=L.Convolution2D(8, 32, 5), # in 24 out 20
glimpse_cnn_3=L.Convolution2D(32, 64, 5), # in 20 pool 10 out 6
glimpse_full=L.Linear(8 * 8 * 64, n_units),
glimpse_loc=L.Linear(2, n_units),
# baseline network 強化学習の期待値を学習し、バイアスbとする
baseline=L.Linear(n_units, 1),
# 記憶を用いるLSTM部分
rnn_1=L.LSTM(n_units, n_units),
rnn_2=L.LSTM(n_units, n_units),
# 注意領域を選択するネットワーク
attention_loc=L.Linear(n_units, 2),
# 入力画像を処理するネットワーク
context_cnn_1=L.Convolution2D(1, 4, 5), # 56 to 52 pooling: 26
context_cnn_2=L.Convolution2D(4, 4, 5), # 26 to 22 pooling
context_cnn_3=L.Convolution2D(4, 4, 4), # 22 to 16
class_full=L.Linear(n_units, n_out)
)
#
# img parameter
#
if gpu_id == 0:
self.use_gpu = True
else:
self.use_gpu = False
self.img_size = img_size
self.gsize = 32
self.train = True
self.var = var
self.vars = var
self.n_unit = n_units
self.num_class = n_out
# r determine the rate of position
self.r = 0.5
self.r_recognize = 1.0
self.n_step = n_step
def __init__(self, n_actions):
self.head = links.NIPSDQNHead()
self.pi = policy.FCSoftmaxPolicy(self.head.n_output_channels,
n_actions)
self.v = v_function.FCVFunction(self.head.n_output_channels)
self.lstm = L.LSTM(self.head.n_output_channels,
self.head.n_output_channels)
super().__init__(self.head, self.lstm, self.pi, self.v)