class ImageNetCatewisedTrainer(MiniBatchTrainer):
def _finish_init(self):
assert len(self.num_caterange_list) == len(self.num_batch) and self.num_caterange_list[-1] == 1000
self.num_batch_list = self.num_batch[1:]
self.num_batch = self.num_batch[0]
init_output = self.num_caterange_list[0]
self.num_caterange_list = self.num_caterange_list[1:]
fc = self.init_model[-2]
fc['outputSize'] = init_output
self.learning_rate_list = self.learning_rate[1:]
self.learning_rate = self.learning_rate[0]
self.set_category_range(init_output)
self.net = FastNet(self.learning_rate, self.image_shape, init_model=self.init_model)
MiniBatchTrainer._finish_init(self)
def set_category_range(self, r):
dp = data.get_by_name(self.data_provider)
self.train_dp = dp(self.data_dir, self.train_range, category_range=range(r))
self.test_dp = dp(self.data_dir, self.test_range, category_range=range(r))
def train(self):
MiniBatchTrainer.train(self)
for i, cate in enumerate(self.num_caterange_list):
self.set_category_range(cate)
self.curr_batch = self.curr_epoch = 0
self.num_batch = self.num_batch_list[i]
model = self.checkpoint_dumper.get_checkpoint()
layers = model['layers']
fc = layers[-2]
fc['weight'] = None
fc['bias'] = None
fc['weightIncr'] = None
fc['biasIncr'] = None
# for l in layers:
# if l['type'] == 'fc':
# l['weight'] = None
# l['bias'] = None
# l['weightIncr'] = None
# l['biasIncr'] = None
# fc = layers[-2]
fc['outputSize'] = cate
self.learning_rate = self.learning_rate_list[i]
self.net = FastNet(self.learning_rate, self.image_shape, init_model=model)
self.net.clear_weight_incr()
MiniBatchTrainer.train(self)
class ImageNetCatewisedTrainer(MiniBatchTrainer):
def _finish_init(self):
assert len(self.num_caterange_list) == len(self.num_batch) and self.num_caterange_list[-1] == 1000
self.num_batch_list = self.num_batch[1:]
self.num_batch = self.num_batch[0]
init_output = self.num_caterange_list[0]
self.num_caterange_list = self.num_caterange_list[1:]
fc = self.init_model[-2]
fc['outputSize'] = init_output
self.learning_rate_list = self.learning_rate[1:]
self.learning_rate = self.learning_rate[0]
self.set_category_range(init_output)
self.net = FastNet(self.learning_rate, self.image_shape, init_model=self.init_model)
MiniBatchTrainer._finish_init(self)
def set_category_range(self, r):
dp = data.get_by_name(self.data_provider)
self.train_dp = dp(self.data_dir, self.train_range, category_range=range(r))
self.test_dp = dp(self.data_dir, self.test_range, category_range=range(r))
def train(self):
MiniBatchTrainer.train(self)
for i, cate in enumerate(self.num_caterange_list):
self.set_category_range(cate)
self.curr_batch = self.curr_epoch = 0
self.num_batch = self.num_batch_list[i]
model = self.checkpoint_dumper.get_checkpoint()
layers = model['layers']
fc = layers[-2]
fc['weight'] = None
fc['bias'] = None
fc['weightIncr'] = None
fc['biasIncr'] = None
# for l in layers:
# if l['type'] == 'fc':
# l['weight'] = None
# l['bias'] = None
# l['weightIncr'] = None
# l['biasIncr'] = None
# fc = layers[-2]
fc['outputSize'] = cate
self.learning_rate = self.learning_rate_list[i]
self.net = FastNet(self.learning_rate, self.image_shape, init_model=model)
self.net.clear_weight_incr()
MiniBatchTrainer.train(self)
class ImageNetCateGroupTrainer(MiniBatchTrainer):
def _finish_init(self):
self.num_batch_list = self.num_batch[1:]
self.num_batch = self.num_batch[0]
self.learning_rate_list = self.learning_rate[1:]
self.learning_rate = self.learning_rate[0]
layers = self.init_model
fc = layers[-2]
fc['outputSize'] = self.num_group_list[0]
self.num_group_list = self.num_group_list[1:]
self.set_num_group(fc['outputSize'])
self.net = FastNet(self.learning_rate,
self.image_shape,
init_model=self.init_model)
MiniBatchTrainer._finish_init(self)
def set_num_group(self, n):
dp = data.get_by_name(self.data_provider)
self.train_dp = dp(self.data_dir, self.train_range, n)
self.test_dp = dp(self.data_dir, self.test_range, n)
def train(self):
MiniBatchTrainer.train(self)
for i, group in enumerate(self.num_group_list):
self.set_num_group(group)
self.curr_batch = self.curr_epoch = 0
self.num_batch = self.num_batch_list[i]
model = self.checkpoint_dumper.get_checkpoint()
layers = model['layers']
fc = layers[-2]
fc['outputSize'] = group
fc['weight'] = None
fc['bias'] = None
fc['weightIncr'] = None
fc['biasIncr'] = None
self.learning_rate = self.learning_rate_list[i]
self.net = FastNet(self.learning_rate,
self.image_shape,
init_model=model)
self.net.clear_weight_incr()
MiniBatchTrainer.train(self)
class ImageNetCateGroupTrainer(MiniBatchTrainer):
def _finish_init(self):
self.num_batch_list = self.num_batch[1:]
self.num_batch = self.num_batch[0]
self.learning_rate_list = self.learning_rate[1:]
self.learning_rate = self.learning_rate[0]
layers = self.init_model
fc = layers[-2]
fc['outputSize'] = self.num_group_list[0]
self.num_group_list = self.num_group_list[1:]
self.set_num_group(fc['outputSize'])
self.net = FastNet(self.learning_rate, self.image_shape, init_model=self.init_model)
MiniBatchTrainer._finish_init(self)
def set_num_group(self, n):
dp = data.get_by_name(self.data_provider)
self.train_dp = dp(self.data_dir, self.train_range, n)
self.test_dp = dp(self.data_dir, self.test_range, n)
def train(self):
MiniBatchTrainer.train(self)
for i, group in enumerate(self.num_group_list):
self.set_num_group(group)
self.curr_batch = self.curr_epoch = 0
self.num_batch = self.num_batch_list[i]
model = self.checkpoint_dumper.get_checkpoint()
layers = model['layers']
fc = layers[-2]
fc['outputSize'] = group
fc['weight'] = None
fc['bias'] = None
fc['weightIncr'] = None
fc['biasIncr'] = None
self.learning_rate = self.learning_rate_list[i]
self.net = FastNet(self.learning_rate, self.image_shape, init_model=model)
self.net.clear_weight_incr()
MiniBatchTrainer.train(self)
