Questions tagged [ann]
The ann tag has no usage guidance.
12
questions
0
votes
0answers
9 views
"Saliency map" of perceptron?
I am using keras currently, and I want to see which inputs the model is "looking at". It would be like a saliency map, but my model is a simple two-layered perceptron for classification, so ...
1
vote
1answer
100 views
Understanding outputs from ANN and how to improve validation loss
I apologise if this is a bit long winded, but it was suggested by another user that I post.
I will start by saying that I am very new to the world of machine learning and deep learning. As such, the ...
1
vote
1answer
13 views
MLP sequential fitting
I am fitting a Keras model, using SGD
Input dataset X_train has 55000 entries.
Can anyone explain the yellow highlighted values?
For me, when each epoch is done, this should correspond to 55000/55000....
0
votes
0answers
7 views
Encoding Data and huge loss during ANN training
I just started to learn on ANN and tried to experiment on my own on a Linear Regression. I got a dataset which had housing prices for a city. Tried going through this but my model gives me a huge loss....
0
votes
0answers
23 views
Multiple input single output supervised learning ANN problem
I have a dataset of 120 tuples giving a singular output. I want to implement ANN in estimating the input which is affecting the output most. A case of optimising the input to maximise the output.
ANN ...
0
votes
0answers
22 views
Why is everybody using `mobilenetv2` for mask detection?
I was looking for good pre-trained models to be used for mask detection and I found resnet50 and mobilenetv2 (lots of times).
...
0
votes
0answers
16 views
Create a pipeline for recursive eliminartion using artifical neural nets
I am trying to use RFE with Artificial neural nets but I am getting the error that "'Sequential' object has no attribute '_get_tags'" . Here is my code snippet. Any help would be appreciated....
1
vote
2answers
34 views
How can ANN handle varied sized inputs?
I have a dataset with a message (string) and an associated mood. I am trying to use an ANN to predict one of the 6 moods using the encoded inputs.
This is how my X_train looks like:
...
1
vote
1answer
44 views
How to properly train your Self-Organized Map?
I recently stumbled upon the Self-Organized Map - an ANN architecture used to cluster high dimensional data - while simultaneously imposing a neighborhood structure on it. It is trained through a ...
1
vote
1answer
35 views
ANN Classifier for extracted discrete image features
I have a features extraction algorithm that works well to extract features from images. I want to develop an ANN to classify those images based on those features. I have extracted features in a csv ...
0
votes
1answer
25 views
In neural networks model, which number of hidden units to select?
In the neural networks model, how many numbers of hidden units need to keep to get an optimal result, as per Cybenko theorem which demonstrates that only one hidden layer is sufficient to solve any ...
1
vote
0answers
68 views
ANN return many result differents
I made an application that uses neural networks, its function is to classify the type of user that is, it can be legitimate or intrusive, the data was saved in the database, when I give it in the ...
