本文整理汇总了Python中tensorflow.sparse_to_indicator方法的典型用法代码示例。如果您正苦于以下问题：Python tensorflow.sparse_to_indicator方法的具体用法？Python tensorflow.sparse_to_indicator怎么用？Python tensorflow.sparse_to_indicator使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tensorflow的用法示例。
在下文中一共展示了tensorflow.sparse_to_indicator方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: prepare_serialized_examples
# 需要导入模块: import tensorflow [as 别名]
# 或者: from tensorflow import sparse_to_indicator [as 别名]
def prepare_serialized_examples(self, serialized_examples):
# set the mapping from the fields to data types in the proto
num_features = len(self.feature_names)
assert num_features > 0, "self.feature_names is empty!"
assert len(self.feature_names) == len(self.feature_sizes), \
"length of feature_names (={}) != length of feature_sizes (={})".format( \
len(self.feature_names), len(self.feature_sizes))
feature_map = {"video_id": tf.FixedLenFeature([], tf.string),
"labels": tf.VarLenFeature(tf.int64)}
for feature_index in range(num_features):
feature_map[self.feature_names[feature_index]] = tf.FixedLenFeature(
[self.feature_sizes[feature_index]], tf.float32)
features = tf.parse_example(serialized_examples, features=feature_map)
labels = tf.sparse_to_indicator(features["labels"], self.num_classes)
labels.set_shape([None, self.num_classes])
concatenated_features = tf.concat([
features[feature_name] for feature_name in self.feature_names], 1)
return features["video_id"], concatenated_features, labels, tf.ones([tf.shape(serialized_examples)[0]]) 示例2: prepare_reader
# 需要导入模块: import tensorflow [as 别名]
# 或者: from tensorflow import sparse_to_indicator [as 别名]
def prepare_reader(self, filename_queue, batch_size=1024):
reader = tf.TFRecordReader()
_, serialized_examples = reader.read_up_to(filename_queue, batch_size)
# set the mapping from the fields to data types in the proto
num_features = len(self.feature_names)
assert num_features > 0, "self.feature_names is empty!"
assert len(self.feature_names) == len(self.feature_sizes), \
"length of feature_names (={}) != length of feature_sizes (={})".format( \
len(self.feature_names), len(self.feature_sizes))
feature_map = {"video_id": tf.FixedLenFeature([], tf.string),
"labels": tf.VarLenFeature(tf.int64)}
for feature_index in range(num_features):
feature_map[self.feature_names[feature_index]] = tf.FixedLenFeature(
[self.feature_sizes[feature_index]], tf.float32)
features = tf.parse_example(serialized_examples, features=feature_map)
labels = tf.sparse_to_indicator(features["labels"], self.num_classes)
labels.set_shape([None, self.num_classes])
concatenated_features = tf.concat([
features[feature_name] for feature_name in self.feature_names], 1)
return features["video_id"], concatenated_features, labels, tf.ones([tf.shape(serialized_examples)[0]]) 示例3: prepare_serialized_examples
# 需要导入模块: import tensorflow [as 别名]
# 或者: from tensorflow import sparse_to_indicator [as 别名]
def prepare_serialized_examples(self, serialized_examples):
# set the mapping from the fields to data types in the proto
num_features = len(self.feature_names)
assert num_features > 0, "self.feature_names is empty!"
assert len(self.feature_names) == len(self.feature_sizes), \
"length of feature_names (={}) != length of feature_sizes (={})".format( \
len(self.feature_names), len(self.feature_sizes))
feature_map = {"id": tf.FixedLenFeature([], tf.string),
"labels": tf.VarLenFeature(tf.int64)}
for feature_index in range(num_features):
feature_map[self.feature_names[feature_index]] = tf.FixedLenFeature(
[self.feature_sizes[feature_index]], tf.float32)
features = tf.parse_example(serialized_examples, features=feature_map)
labels = tf.sparse_to_indicator(features["labels"], self.num_classes)
labels.set_shape([None, self.num_classes])
concatenated_features = tf.concat([
features[feature_name] for feature_name in self.feature_names], 1)
return features["id"], concatenated_features, labels, tf.ones([tf.shape(serialized_examples)[0]]) 示例4: prepare_serialized_examples
# 需要导入模块: import tensorflow [as 别名]
# 或者: from tensorflow import sparse_to_indicator [as 别名]
def prepare_serialized_examples(self, serialized_examples):
# set the mapping from the fields to data types in the proto
num_features = len(self.feature_names)
assert num_features > 0, "self.feature_names is empty!"
assert len(self.feature_names) == len(self.feature_sizes), \
"length of feature_names (={}) != length of feature_sizes (={})".format( \
len(self.feature_names), len(self.feature_sizes))
feature_map = {"id": tf.FixedLenFeature([], tf.string),
"labels": tf.VarLenFeature(tf.int64)}
for feature_index in range(num_features):
feature_map[self.feature_names[feature_index]] = tf.FixedLenFeature(
[self.feature_sizes[feature_index]], tf.float32)
features = tf.parse_example(serialized_examples, features=feature_map)
labels = tf.sparse_to_indicator(features["labels"], self.num_classes)
labels.set_shape([None, self.num_classes])
concatenated_features = tf.concat([
features[feature_name] for feature_name in self.feature_names], 1)
return features["id"], concatenated_features, labels, tf.ones([tf.shape(serialized_examples)[0]]) 示例5: prepare_serialized_examples
# 需要导入模块: import tensorflow [as 别名]
# 或者: from tensorflow import sparse_to_indicator [as 别名]
def prepare_serialized_examples(self, serialized_examples):
# set the mapping from the fields to data types in the proto
num_features = len(self.feature_names)
assert num_features > 0, "self.feature_names is empty!"
assert len(self.feature_names) == len(self.feature_sizes), \
"length of feature_names (={}) != length of feature_sizes (={})".format( \
len(self.feature_names), len(self.feature_sizes))
feature_map = {"video_id": tf.FixedLenFeature([], tf.string),
"labels": tf.VarLenFeature(tf.int64)}
for feature_index in range(num_features):
feature_map[self.feature_names[feature_index]] = tf.FixedLenFeature(
[self.feature_sizes[feature_index]], tf.float32)
features = tf.parse_example(serialized_examples, features=feature_map)
labels = tf.sparse_to_indicator(features["labels"], self.num_classes)
labels.set_shape([None, self.num_classes])
concatenated_features = tf.concat([
features[feature_name] for feature_name in self.feature_names], 1)
return features["video_id"], concatenated_features, labels, tf.ones([tf.shape(serialized_examples)[0]]) 示例6: prepare_writer
# 需要导入模块: import tensorflow [as 别名]
# 或者: from tensorflow import sparse_to_indicator [as 别名]
def prepare_writer(self, filename_queue, batch_size=1024):
"""Creates a single reader thread for pre-aggregated YouTube 8M Examples.
Args:
filename_queue: A tensorflow queue of filename locations.
Returns:
A tuple of video indexes, features, labels, and padding data.
"""
reader = tf.TFRecordReader()
_, serialized_examples = reader.read_up_to(filename_queue, batch_size)
# set the mapping from the fields to data types in the proto
num_features = len(self.feature_names)
assert num_features > 0, "self.feature_names is empty!"
assert len(self.feature_names) == len(self.feature_sizes), \
"length of feature_names (={}) != length of feature_sizes (={})".format( \
len(self.feature_names), len(self.feature_sizes))
feature_map = {"video_id": tf.FixedLenFeature([], tf.string),
"labels": tf.VarLenFeature(tf.int64)}
for feature_index in range(num_features):
feature_map[self.feature_names[feature_index]] = tf.FixedLenFeature(
[self.feature_sizes[feature_index]], tf.float32)
features = tf.parse_example(serialized_examples, features=feature_map)
labels = tf.sparse_to_indicator(features["labels"], self.num_classes)
labels.set_shape([None, self.num_classes])
concatenated_features = tf.concat([
features[feature_name] for feature_name in self.feature_names], 1)
return features["video_id"], concatenated_features, labels, tf.ones([tf.shape(serialized_examples)[0]]) 示例7: prepare_reader
# 需要导入模块: import tensorflow [as 别名]
# 或者: from tensorflow import sparse_to_indicator [as 别名]
def prepare_reader(self, filename_queue, batch_size=1024):
"""Creates a single reader thread for pre-aggregated YouTube 8M Examples.
Args:
filename_queue: A tensorflow queue of filename locations.
Returns:
A tuple of video indexes, features, labels, and padding data.
"""
reader = tf.TFRecordReader()
_, serialized_examples = reader.read_up_to(filename_queue, batch_size)
# set the mapping from the fields to data types in the proto
num_features = len(self.feature_names)
assert num_features > 0, "self.feature_names is empty!"
assert len(self.feature_names) == len(self.feature_sizes), \
"length of feature_names (={}) != length of feature_sizes (={})".format( \
len(self.feature_names), len(self.feature_sizes))
feature_map = {"video_id": tf.FixedLenFeature([], tf.string),
"labels": tf.VarLenFeature(tf.int64)}
for feature_index in range(num_features):
feature_map[self.feature_names[feature_index]] = tf.FixedLenFeature(
[self.feature_sizes[feature_index]], tf.float32)
features = tf.parse_example(serialized_examples, features=feature_map)
labels = tf.sparse_to_indicator(features["labels"], self.num_classes)
labels.set_shape([None, self.num_classes])
concatenated_features = tf.concat([
features[feature_name] for feature_name in self.feature_names], 1)
return features["video_id"], concatenated_features, labels, tf.ones([tf.shape(serialized_examples)[0]]) 示例8: prepare_serialized_examples
# 需要导入模块: import tensorflow [as 别名]
# 或者: from tensorflow import sparse_to_indicator [as 别名]
def prepare_serialized_examples(self, serialized_examples):
"""Parse a single video-level TF Example."""
# set the mapping from the fields to data types in the proto
num_features = len(self.feature_names)
assert num_features > 0, "self.feature_names is empty!"
assert len(self.feature_names) == len(self.feature_sizes), \
"length of feature_names (={}) != length of feature_sizes (={})".format(
len(self.feature_names), len(self.feature_sizes))
feature_map = {
"id": tf.io.FixedLenFeature([], tf.string),
"labels": tf.io.VarLenFeature(tf.int64)
}
for feature_index in range(num_features):
feature_map[self.feature_names[feature_index]] = tf.FixedLenFeature(
[self.feature_sizes[feature_index]], tf.float32)
features = tf.parse_example(serialized_examples, features=feature_map)
labels = tf.sparse_to_indicator(features["labels"], self.num_classes)
labels.set_shape([None, self.num_classes])
concatenated_features = tf.concat(
[features[feature_name] for feature_name in self.feature_names], 1)
output_dict = {
"video_ids": features["id"],
"video_matrix": concatenated_features,
"labels": labels,
"num_frames": tf.ones([tf.shape(serialized_examples)[0]])
}
return output_dict