multitask_ctc.py 文件源码

def create_placeholders(self):
        """Create placeholders and append them to list."""
        self.inputs_pl_list.append(
            tf.placeholder(tf.float32, shape=[None, None, self.input_size],
                           name='input'))
        self.labels_pl_list.append(
            tf.SparseTensor(tf.placeholder(tf.int64, name='indices'),
                            tf.placeholder(tf.int32, name='values'),
                            tf.placeholder(tf.int64, name='shape')))
        self.labels_sub_pl_list.append(
            tf.SparseTensor(tf.placeholder(tf.int64, name='indices_sub'),
                            tf.placeholder(tf.int32, name='values_sub'),
                            tf.placeholder(tf.int64, name='shape_sub')))
        self.inputs_seq_len_pl_list.append(
            tf.placeholder(tf.int32, shape=[None], name='inputs_seq_len'))
        self.keep_prob_pl_list.append(
            tf.placeholder(tf.float32, name='keep_prob'))