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tensorflow-deep-neural-networks's Issues

请教用DBN做一维数据预测

您好,首先感谢您提供的代码。我想要用DBN处理一个Excel表的数据,4000行14列,每行数据是一个单元,需要根据每行14个数据输出0或1,请问x_dim,y_dim和p_dim怎么设啊?因为这个跟mnist是不一样的,代码封装得厉害,也不太清楚一维数据这时候还需不需要p_dim,求告知。

請問以DBN實現MNIST的分類問題,要如何提取最後優化好的weight與bias呢?

您好,我最近需要拿訓練好的DBN各層的weight與bias以verilog實現
目前我依您的程式可以改成我需要的網路結構[x_dim, 100, 200, y_dim]=784,100,200,10
且最後輸出很好的分類正確率「Test」: accuracy = 97.71%

但還是不太清楚要在哪個部分提取各層的weight與bias
如我沒讀錯,應該是要各三層的資料為
weight = (784,100), (100,200), (200,10)
bias = (100), (200), (10)
能請您跟我說應該在哪個.py檔內,第幾行提出最後所需資料嗎? 謝謝

dataset: .jpg label:.txt

您好,谢谢您的出色工作。这对我很有用。
能否使用我自制的肺结节灰度图像数据集来代替mnist数据集,从而实现有无(0,1)结节分类?
让我困惑的是,我不知道我应该把我的肺结节数据集做成什么样的格式,以至于能运行您的代码?
请您给出详细的说明!谢谢您!

DBN做回归时激活函数和输出激活函数

您好,请问DBN用作回归问题时,输出层的激活函数还是softmax吗,还是要用别的激活函数?我预测的数据不是在(0,1)内,用sigmiod或softmax得不到大于1的输出。
谢谢!

高斯-伯努利RBM

您好,请问一下在guass-bin的重建过程中,act_function为什么用affine而不是guass?
即 def reconstruction(self,h):
logits = tf.matmul(h, tf.transpose(self.W)) + self.bv
prob_v=self.v_func(logits)
return logits,prob_v

DBN是如何强化模型

你好,我想请问如何在原有的模型下,在新的训练数据下,继续强化学习。

QQ群

您好!
我想加入QQ群但找不到

AttributeError: 'list' object has no attribute 'op'

gao@ubuntu14:~/py_work/DBN/Tensorflow_deep-belief-network-master/test$ python3 classification_MINST.py
Extracting ../dataset/MNIST_data/train-images-idx3-ubyte.gz
Extracting ../dataset/MNIST_data/train-labels-idx1-ubyte.gz
Extracting ../dataset/MNIST_data/t10k-images-idx3-ubyte.gz
Extracting ../dataset/MNIST_data/t10k-labels-idx1-ubyte.gz
Traceback (most recent call last):
File "classification_MINST.py", line 42, in
rbm_lr=1e-3)
File "../models/dbn.py", line 47, in init
self.build_model()
File "../models/dbn.py", line 89, in build_model
self.train_batch_bp=_optimization.trainer(algorithm=self.bp_algorithm).minimize(self.loss, var_list=self.parameter_list)
File "/usr/local/lib/python3.4/dist-packages/tensorflow/python/training/optimizer.py", line 288, in minimize
grad_loss=grad_loss)
File "/usr/local/lib/python3.4/dist-packages/tensorflow/python/training/optimizer.py", line 346, in compute_gradients
processors = [_get_processor(v) for v in var_list]
File "/usr/local/lib/python3.4/dist-packages/tensorflow/python/training/optimizer.py", line 346, in
processors = [_get_processor(v) for v in var_list]
File "/usr/local/lib/python3.4/dist-packages/tensorflow/python/training/optimizer.py", line 115, in _get_processor
if v.op.type == "ReadVariableOp":
AttributeError: 'list' object has no attribute 'op'
could you tell me how to resolve it? Thanks

Test set acc doesn't work

I am setting the line test_Y to true:

# for 'classification'
        self.loss_and_acc=None     # loss, train_acc, test_acc, spend_time
        **self.test_Y=True# real label**
        self.real_class = None
        self.pred_class = None

But it still doesn't show the accuracy of test set

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