我正在尝试在 tesnorflow2.0 版本中将张量转换为 numpy。由于 tf2.0 已启用急切执行,因此它应该默认工作并且在正常运行时也工作。当我在 tf.data.Dataset API 中执行代码时,它给出了一个错误
“属性错误:‘张量’对象没有属性‘numpy’”
我在张量流变量之后尝试过“.numpy()”,而对于“.eval()”我无法获得默认会话。
from __future__ import absolute_import, division, print_function, unicode_literals
import tensorflow as tf
# tf.executing_eagerly()
import os
import time
import matplotlib.pyplot as plt
from IPython.display import clear_output
from model.utils import get_noise
import cv2
def random_noise(input_image):
img_out = get_noise(input_image)
return img_out
def load_denoising(image_file):
image = tf.io.read_file(image_file)
image = tf.image.decode_png(image)
real_image = image
input_image = random_noise(image.numpy())
input_image = tf.cast(input_image, tf.float32)
real_image = tf.cast(real_image, tf.float32)
return input_image, real_image
def load_image_train(image_file):
input_image, real_image = load_denoising(image_file)
return input_image, real_image
这很好用
inp, re = load_denoising('/data/images/train/18.png')
# Check for correct run
plt.figure()
plt.imshow(inp)
print(re.shape," ", inp.shape)
这会产生提到的错误
train_dataset = tf.data.Dataset.list_files('/data/images/train/*.png')
train_dataset = train_dataset.map(load_image_train,num_parallel_calls=tf.data.experimental.AUTOTUNE)
注意:random_noise有cv2和sklearn函数