[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-29 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-347791316
 
 
   @szha May I ask you another question? I just noticed the symbol API 
SoftmaxOutput function has two parameters "ignore_label=_Null" and 
"use_ignore=_Null" which I think may very helpful when I training models, I 
didn't however find these two parameters in the Gluon Loss API 
"SoftmaxCrossEntropyLoss" function. So How can I do the same thing as the 
symbol API does in gluon?


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345927179
 
 
   These words as separated tokens, I think, will bring some noisy word infos 
into hidden vector produced by LSTM structure instead of padding tokens that 
bring some meaningless infos. Does this form will improve the performance? I 
don't have any  idea about it. Anyway, I will try it. But I'm still confused 
its theory or mechanism behind this trick. Do you have any idea about it?
   I still noticed that the last five padding tokens. Is this padding token 
still in the vocabulary set?
   say 
   ```
   "word2idx={'':0, '':1}"
   ```


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345927179
 
 
   These words as separated tokens, I think, will bring some noisy word infos 
into hidden vector produced by LSTM structure instead of padding tokens that 
bring some meaningless infos. Does this form will improve the performance? I 
don't have any  idea about it. Anyway, I will try it. But I'm still confused 
its theory or mechanism behind this trick. Do you have any idea about it?
   I still noticed that the last five padding tokens. Is this padding token 
still in the vocabulary set?
   say 
   ```
   "word2idx={'':0, '':1}"
   ```


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345927179
 
 
   These words as separated tokens, I think, will bring some noisy word infos 
into hidden vector produced by LSTM structure instead of padding tokens that 
bring some meaningless infos. Does this form will improve the performance? I 
don't have any  idea about it. Anyway, I will try it. But I'm still confused 
its theory or mechanism behind this trick. Do you have any idea about it?
   I still noticed that the last five padding tokens. Is this padding token 
still in the vocabulary set?
   say 
   "word2idx={'':0, '':1}"


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345927179
 
 
   These words as separated tokens, I think, will bring some noisy word infos 
into hidden vector produced by LSTM structure instead of padding tokens that 
bring some meaningless infos. Does this form will improve the performance? I 
don't have any  idea about it. Anyway, I will try it. But I'm still confused 
its theory or mechanism behind this trick. Do you have any idea about it?
   I still noticed that the last five padding tokens. Is this padding token 
still in the vocabulary set?
   say "word2idx={'':0, '':1}"


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345927179
 
 
   These words as separated tokens, I think, will bring some noisy word infos 
into hidden vector produced by LSTM structure instead of padding tokens that 
bring some meaningless infos. Does this form will improve the performance? I 
don't have any  idea about it. Anyway, I will try it. But I'm still confused 
its theory or mechanism behind this trick. Do you have any idea about it?
   I still noticed that the last five padding tokens. Is this padding token 
still in the vocabulary set?
   say "word2idx={'':0, '':1}"


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345920699
 
 
   Let me pose an example, 
   say I have a question like "What is found on the floor in image1327 ?" and 
bptt=20, 
   then I should turn it into 
   ```
   "What is found on the floor in image1327 ? tokens and put only one ". 
   After that, padding with "" it looks like  below
   "What is found on the floor in image1327 ? tokens and put only one 
<#><#><#><#><#><#>". 
   ```
   Am I right?


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345920699
 
 
   Let me pose an example, 
   say I have a question like "What is found on the floor in image1327 ?" and 
bptt=20, 
   then I should turn it into 
   "What is found on the floor in image1327 ? tokens and put only one ". 
   After that, padding with "" it looks like  below
   "What is found on the floor in image1327 ? tokens and put only one 
<#><#><#><#><#><#>". 
   Am I right?


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345920699
 
 
   Let me pose an example, 
   say I have a question like "What is found on the floor in image1327 ?" and 
bptt=20, 
   then I should turn it into "What is found on the floor in image1327 ? tokens 
and put only one ". 
   After that, padding with "" it looks like  below
   "What is found on the floor in image1327 ? tokens and put only one 
". 
   Am I right?


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345920699
 
 
   Let me pose an example, 
   say I have a question like "What is found on the floor in image1327 ?" and 
bptt=20, 
   then I should turn it into "What is found on the floor in image1327 ? tokens 
and put only one ". 
   After that, padding with "" it looks like  below
   "What is found on the floor in image1327 ? tokens and put only one 
". 
   Am I right?


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345877657
 
 
   How to do the "separate token"? This really is my first time hearing about 
this trick. Could you explain more detail over how to do separate token ""? I 
really need to solve this problem which I have struggled for several weeks!!  
   
   Thank you so much!


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-20 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345619597
 
 
   I see. Thank you for helping me a lot. My model can overfit this data set. I 
had record my training loss, it decreases all the time during training process 
goes, the validation loss however increases after dozens of epochs. I think 
this is the clue of overfitting. Also, my image feature matches the questions. 
   For second way for padding, do you mean I should use bucketing to try it 
again?
   I do not clearly understand the first way you said " use a separate token 
for padding". What's that mean?


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-19 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345613723
 
 
   I still wander whether the way I pad end character is correct ?


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-19 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345611895
 
 
   I just examine the data batch I provide to the model. one of batches looks 
like below and the next one is its corresponding text version. I can assure you 
that my data pipeline is working correctly. The data set I use to train the 
model is the same as used in this paper, and I just want to reproduce this 
experiment result see whether it really work. I think it is not overfitting 
cause the training loss and validations loss are both high. I think it's still 
underfitting. Can you just read this paper to check if my model structure is 
correct? Cause it is not too complicated and won't take you too much time. 
maybe about ten minutes at most.
   
   
![image](https://user-images.githubusercontent.com/13534043/33006930-47302874-ce07-11e7-95a0-f63d539f30b9.png)
   
   
![image](https://user-images.githubusercontent.com/13534043/33006123-19511100-ce04-11e7-9867-7e856d59255c.png)
   


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-19 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345611895
 
 
   I just examine the data batch I provide to the model. one of batches looks 
like below and the next one is its corresponding text version. I can assure you 
that my data pipeline is working correctly. The data set I use to train the 
model is the same as used in this paper, and I just want to reproduce this 
experiment result see whether it really work. I think it is not overfitting 
cause the training loss and validations loss are both high. I think it's still 
underfitting. Can you just read this paper to check if my model structure is 
correct? Cause it is not too complicated and won't take you too much time. 
maybe about ten minutes at most.
   
   
![image](https://user-images.githubusercontent.com/13534043/33006782-a80a5e0e-ce06-11e7-8af3-e6cf6934d987.png)
   
   
![image](https://user-images.githubusercontent.com/13534043/33006123-19511100-ce04-11e7-9867-7e856d59255c.png)
   


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-19 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345598672
 
 
   @szha I do not understand the meaning of "isolate the problem". Can you 
explain it? And Is it OK for you that I have your Wechat or email? 


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[GitHub] liuzhi136 commented on issue #8720: Implementation Help!!!

2017-11-19 Thread GitBox
liuzhi136 commented on issue #8720: Implementation Help!!!
URL: 
https://github.com/apache/incubator-mxnet/issues/8720#issuecomment-345585456
 
 
   @mli @piiswrong @szha 


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