Giter Club home page Giter Club logo

coursera-deep-learning-deeplearning.ai's Introduction

网易云课堂微专业-Andrew Ng《深度学习》课后练习编程作业和笔记

该仓库包含本课程的所有笔记内容,和课程练习,我珍惜这门课的每一节课,通过对知识的整理能够加深对知识的理解,也通过整理的内容为有需要的童鞋提供些许帮助!!

欢迎 Star

网易云课堂 提供的免费正版的课程资料,给予了我极大的帮助。

笔记

课程地址

deeplearning.ai - 网易云课堂 - 深度学习工程师微专业

参考项目

在整理自己的笔记的时候,从下列道友中参考了很多内容,谢之:

备注

  • GitHub 的 README.md 文件不提供 LaTeX 公式解析,可使用 chrome 浏览器插件GitHub with MathJax
  • 由于 Github 中的文件大小限制规则,编程练习中缺少的数据集文件可以从对应文件夹里边的".gitignore"文件中得知。或者在下方下载完整的作业包。

作业包

神经网络与深度学习

改进深度神经网络:超参数调整,正则化和优化

卷积神经网络

序列模型

License

遵循 MIT 许可证。有关详细,请参阅 LICENSE

coursera-deep-learning-deeplearning.ai's People

Contributors

alberthg avatar

Stargazers

 avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar

Watchers

 avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar  avatar

coursera-deep-learning-deeplearning.ai's Issues

yolo.h5导入编码错误问题

raw_code = codecs.decode(code.encode('ascii'), 'base64')
UnicodeEncodeError: 'ascii' codec can't encode character '\xe3' in position 0: ordinal not in range(128

第一张第4周作业答案有问题

01-Neural Networks and Deep Learning/week4/answer-Building your Deep Neural Network-Step by Step.ipynb
函数 L_model_backward 中有一段for循环

for l in reversed(range(L-1)):
    current_cache = caches[L - 2 - l]
    dA_prev_temp, dW_temp, db_temp = linear_activation_backward(grads["dA" + str(L)], current_cache, activation = 'relu')

我感觉有点问题。
我的答案是

for l in reversed(range(L - 1)):
    current_cache = caches[l]
    dA_prev_temp, dW_temp, db_temp = linear_activation_backward(grads["dA" + str(l + 2)], current_cache, "relu")

你认为呢?

AttributeError: module 'tensorflow.python.ops.nn' has no attribute 'leaky_relu'

在运行报错!!!

yolo_model = load_model("model_data/yolo.h5")
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-24-7a6f0063995c> in <module>()
----> 1 yolo_model = load_model("model_data/yolo.h5")

C:\ProgramData\Anaconda3\lib\site-packages\keras\models.py in load_model(filepath, custom_objects, compile)
    241 
    242         # set weights
--> 243         topology.load_weights_from_hdf5_group(f['model_weights'], model.layers)
    244 
    245         # Early return if compilation is not required.

C:\ProgramData\Anaconda3\lib\site-packages\keras\models.py in model_from_config(config, custom_objects)
    315 
    316 
--> 317 def model_from_yaml(yaml_string, custom_objects=None):
    318     """Parses a yaml model configuration file and returns a model instance.
    319 

C:\ProgramData\Anaconda3\lib\site-packages\keras\layers\__init__.py in deserialize(config, custom_objects)
     53                                     module_objects=globs,
     54                                     custom_objects=custom_objects,
---> 55                                     printable_module_name='layer')

C:\ProgramData\Anaconda3\lib\site-packages\keras\utils\generic_utils.py in deserialize_keras_object(identifier, module_objects, custom_objects, printable_module_name)
    142                 return cls.from_config(config['config'])
    143         else:
--> 144             # Then `cls` may be a function returning a class.
    145             # in this case by convention `config` holds
    146             # the kwargs of the function.

C:\ProgramData\Anaconda3\lib\site-packages\keras\engine\topology.py in from_config(cls, config, custom_objects)
   2518 
   2519     def save(self, filepath, overwrite=True, include_optimizer=True):
-> 2520         """Save the model to a single HDF5 file.
   2521 
   2522         The savefile includes:

C:\ProgramData\Anaconda3\lib\site-packages\keras\engine\topology.py in process_node(layer, node_data)
   2475             layer = deserialize_layer(layer_data,
   2476                                       custom_objects=custom_objects)
-> 2477             created_layers[layer_name] = layer
   2478 
   2479             # Gather layer inputs.

C:\ProgramData\Anaconda3\lib\site-packages\keras\engine\topology.py in __call__(self, inputs, **kwargs)
    615             if len(output_ls_copy) == 1:
    616                 output = output_ls_copy[0]
--> 617             else:
    618                 output = output_ls_copy
    619 

C:\ProgramData\Anaconda3\lib\site-packages\keras\layers\advanced_activations.py in call(self, inputs)
     44         config = {'alpha': float(self.alpha)}
     45         base_config = super(LeakyReLU, self).get_config()
---> 46         return dict(list(base_config.items()) + list(config.items()))
     47 
     48 

C:\ProgramData\Anaconda3\lib\site-packages\keras\backend\tensorflow_backend.py in relu(x, alpha, max_value)
   2916 
   2917     output_shape = output.get_shape()
-> 2918     targets = cast(flatten(target), 'int64')
   2919     logits = tf.reshape(output, [-1, int(output_shape[-1])])
   2920     res = tf.nn.sparse_softmax_cross_entropy_with_logits(

AttributeError: module 'tensorflow.python.ops.nn' has no attribute 'leaky_relu'

Recommend Projects

  • React photo React

    A declarative, efficient, and flexible JavaScript library for building user interfaces.

  • Vue.js photo Vue.js

    🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

  • Typescript photo Typescript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  • TensorFlow photo TensorFlow

    An Open Source Machine Learning Framework for Everyone

  • Django photo Django

    The Web framework for perfectionists with deadlines.

  • D3 photo D3

    Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Recommend Topics

  • javascript

    JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

  • web

    Some thing interesting about web. New door for the world.

  • server

    A server is a program made to process requests and deliver data to clients.

  • Machine learning

    Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.

  • Game

    Some thing interesting about game, make everyone happy.

Recommend Org

  • Facebook photo Facebook

    We are working to build community through open source technology. NB: members must have two-factor auth.

  • Microsoft photo Microsoft

    Open source projects and samples from Microsoft.

  • Google photo Google

    Google ❤️ Open Source for everyone.

  • D3 photo D3

    Data-Driven Documents codes.