Пример #1
0
import tensorflow as tf
import numpy as np

# logging
import logging
from segmentpy.tf114 import log
logger = log.setup_custom_logger(__name__)
logger.setLevel(logging.DEBUG)


def init_weights(shape, name='weights', reuse=False, uniform=True):
    """
    input:
    -------
        shape: (list) shape of the weight matrix e.g. [5, 5, 1, 32]
        name: (string) name of the node
    return:
    -------
        tensorflow variable initialized by xavier method
    """
    with tf.variable_scope(name, reuse=reuse):
        return tf.get_variable('w',
                               shape=shape,
                               initializer=tf.initializers.glorot_uniform()
                               if uniform else tf.initializers.glorot_normal())


def init_bias(shape, name='bias', reuse=False, uniform=True):
    """
    input:
    -------
Пример #2
0
from tensorboard.backend.event_processing import event_accumulator
import pandas as pd
import matplotlib.pyplot as plt
import numpy as np
from PIL import Image
import re
import os

from segmentpy.tf114.util import check_N_mkdir

import logging
from segmentpy.tf114 import log
logger = log.setup_custom_logger('root')
logger.setLevel(logging.DEBUG)


def gradient_extractor(event_dir: str, write_rlt=True):

    if not event_dir.endswith('train/'):
        _dir = os.path.join(event_dir, 'train/')
    else:
        _dir = event_dir
    accumulator = event_accumulator.EventAccumulator(_dir,
                                                     size_guidance={
                                                         event_accumulator.SCALARS: 0,
                                                         event_accumulator.HISTOGRAMS: 0,
                                                     })
    accumulator.Reload()
    tags = accumulator.Tags()
    l_grad_tag = []
    for param_name in tags['histograms']: