小编Joe*_*boy的帖子

目标阵列形状与使用 Tensorflow 的预期输出不同

我正在尝试制作 CNN(仍然是初学者)。尝试拟合模型时,出现此错误:

ValueError: 一个形状为 (10000, 10) 的目标数组被传递给形状 (None, 6, 6, 10) 的输出,同时用作 loss categorical_crossentropy。此损失期望目标与输出具有相同的形状。

标签的形状 = (10000, 10) 图像数据的形状 = (10000, 32, 32, 3)

代码:

import pickle
import tensorflow as tf
from tensorflow.keras.models import Sequential
from tensorflow.keras.layers import (Dense, Dropout, Activation, Flatten, 
                                     Conv2D, MaxPooling2D)
from tensorflow.keras.callbacks import TensorBoard
from keras.utils import to_categorical
import numpy as np
import time

MODEL_NAME = f"_________{int(time.time())}"
BATCH_SIZE = 64

class ConvolutionalNetwork():
    '''
    A convolutional neural network to be used to classify images
    from the …
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python keras tensorflow

6
推荐指数
1
解决办法
5421
查看次数

Django-admincollectstatic 是一个未知命令

尝试收集我的静态文件,因为我很快就会部署我的网站。接收:

Unknown command: 'collectstatic'
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检查 django-admin 帮助后,我收到此警告:

(error: Requested setting INSTALLED_APPS, but settings are not configured. 
 You must either define the environment variable DJANGO_SETTINGS_MODULE or call 
 settings.configure() before accessing settings.).
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这是我的manage.py:

def main():
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'xwordsite.settings')
    try:
        from django.core.management import execute_from_command_line
    except ImportError as exc:
        raise ImportError(
            "Couldn't import Django. Are you sure it's installed and "
            "available on your PYTHONPATH environment variable? Did you "
            "forget to activate a virtual environment?"
        ) from exc
    execute_from_command_line(sys.argv)
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我尝试运行manage.py shell,但没有解决问题。我也不确定这是否重要,但我所有的静态文件都在项目目录中。还有静态设置:

STATIC_URL = '/static/' …
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django

4
推荐指数
1
解决办法
2041
查看次数

标签 统计

django ×1

keras ×1

python ×1

tensorflow ×1