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Questions tagged [training]

For questions about training networks, rules systems, or other AI system components.

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1answer
36 views

Training an AI to recognize my voice (or any voice)

I want to start a project for my artificial intelligence class about speaker recognition. Basically, I want to train my AI to detect if it's me who's speaking or somebody else. I would like some ...
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0answers
11 views

Genetic algorithm generation of fuzzy rules with artificial network adjustment of fuzzy probabilities

Are there any working AI system designs or theory to support a system where an artificial network is trained to to adjust fuzzy probabilities and modify the parameters of a genetic algorithm that ...
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3answers
69 views

Extracting algebraic constraints from the input data

I would appreciate your help with this (naive) question of mine. Given the set of points located on a circle, $x_{i}, y_{i}$ as the input data, Can a deep/machine learning algorithm infer that radius ...
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1answer
30 views

Can gradient descent training be used for nonsmooth loss functions?

I have non-smooth loss function - e.g. loss(x)=min(x, 0.5). Can gradient descent be used for training neural networks with such functions. Can gradient descent be used for fairly general, ...
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2answers
79 views

How do biological neurons weights get initialized?

When trying to map artificial neuronal models to biological facts it was not possible to find an answer regarding the biological justification of randomly initializing the weights. Perhaps this is ...
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2answers
140 views

Would AI systems not obsessed with winning become better citizens of the world?

Some early AI research, inspired by Claude Shannon's maze learning mouse, Theseus, sought to discover resolutions to conflict. In the case of Theseus, the goal was to resolve the conflict between the ...
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0answers
12 views

Change parameter in Karaboga's code of ABC algorithm

I'm working on a problem and need to use Karaboga's code of the ABC algorithm but I have some questions... Does this formula for calculating a parameter have to be changed: ...
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0answers
12 views

How could pets be improved to support families in pet restricted locations?

In rural areas around the world, children grow up caring for animals and deriving pleasure and some aspects of psychological maturity from relationships with them. This was part of the human ...
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0answers
12 views

Exploration rate decay and training in Q learning

I'm trying to replicate the results of the DeepMind's paper with Breakout included in OpenAI Gym. I wonder how much frames should I keep until I reach the fixed exploration rate. Actually it reaches ...
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1answer
23 views

Training by one batch of examples, what does it mean

Say I have a batch of examples, each examples represent a state: ...
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1answer
75 views

DQN Breakout adding an extra negative reward to help training?

I'm trying to train a DQN, so I'm using OpenAI gym and Breakout (Breakout-v0). I have altered the reward supplied by the environment: If the episode is not completed fully, the agent gets a -10 ...
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0answers
58 views

Regarding L0 sparsification of DNNs proposed by Louizos, Kingma and Welling

I am reading the paper on $\ell_0$ regularization of DNNs by Louizos, Welling and Kingma (2017) (Link to arxiv). In Section 2.1 the authors define the cost function as follows: $$ \mathcal{R}\left( \...
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1answer
25 views

Doubts at basic step of learning problem

Question: Express each of the following tasks in the framework of learning from data by specifying the input space X, output space Y, target function f:X->Y and the specifics of the data set that we ...
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0answers
21 views

Train a recurrent neural network by concatenating time series. Is it safe?

As the title says, I want to train a Jordan network (i.e. a particular kind of recurrent neural network) using a certain number of time series. Let's say that $x_1, x_2, \ldots x_N$ are $N$ input ...
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1answer
39 views

Are artificial intelligence learnings or trainings transferable from one agent to the other?

One disadvantage or weakness of Artificial Intelligence today the slow nature of learning or training success. For instance, an AI agent might require a 100,000 samples or more to reach an appreciable ...
6
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1answer
114 views

How do I predict if it is rainy or not?

I'm building a weather station, where I'm sensing temperature, humidity, air pressure, brightness, $CO_2$, but I don't have a raindrop sensor. Is it possible to create an AI which can say if it's ...
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1answer
36 views

How to add external training in chatterbot?

I created a very simple bot to learn how to use chatterbot. This library already comes with a training, but I wanted extra training with an import of a corpus in Portuguese that I found in github. <...
0
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1answer
27 views

How should one standardize input when transfer learning

Assume one is using transfer learning via a model which was trained on imagenet. Assume that the pre-processing which was used to achieve the pretrained model contained z-score standardization ...
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1answer
32 views

How to perform PCA in the validation/test set?

I was using PCA in my whole dataset (and after split to training, validation and test), but after some researchs I found out that is wrong way to do. Then I have few questions: -Are there some ...
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0answers
9 views

Time-management while training network : need advices

I'm not sure this question is in the right Stack Exchange website, but I thought this place is a good starting point, because of the experience of users. This question is not about artificial ...
2
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1answer
35 views

Influence of location on a Neural Network trained for parking detection occupancy

I loaded a neural network model trained with Caffe by other people in OpenCV. The model should detect the presence of a car in a single parking spot outputting the probability of it being free/...
5
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1answer
152 views

Why L1/L2 regularization technique did not improve my accuracy?

I am training a Multilayer Neural Nets with 146 samples (97 for training set, 20 for validation set and 29 for testing set). I am using: automatic differentiation, SGD method, fixed learning rate + ...
6
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1answer
65 views

Q-Learning the generic maze solution

After doing some exercices on Q-learning for maze solving, I wondered : my q-learning algorithms solve only ONE maze. The AI doesn't learn how to solve mazes, so how can I achieve it ? For instance ...
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1answer
52 views

Is 1mb an acceptable memory size for images being trained in a CNN?

I am using Tensorflow CNN to build an image classification/prediction model. Currently all the images in the dataset are each about 1mb in size. Most examples out there use very small images. The ...
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3answers
213 views

What is the name of an AI system that learns by trial and error?

Imagine a system that controls dampers in a complex vent system that has an objective to perfectly equalize the output from each vent. The system has sensors for damper position, flow at various ...
2
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1answer
25 views

What is the AI discipline where an algorithm learns from an initial training set, but then refines its learning as it uses that training?

Imagine a system that is trained to manipulate dampers to manage air flow. The training data includes damper state and flow characteristics through a complex system of ducts. The system is then given ...
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1answer
126 views

Add training data to YOLO post-training

(Cross-posting here from the data science stack exchange, as my question didn't get any replies. I hope it's okay!) I've been playing around with YOLOv3 and obtaining some good results on the ~20 ...
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0answers
18 views

Adding voices to voice synthesis corpuses

If one uses one of the open source implementations of the WaveNet generative speech synthesis design, such as https://r9y9.github.io/wavenet_vocoder/, and trains using something like the CMU's arctic ...
2
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1answer
101 views

How to implement an artificial network that outputs an integer within a range?

The goal is to implement an artificial network that, based on training samples labelled with positive integers, outputs a positive integer. Perhaps I am not searching for the correct thing but all ...
0
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1answer
55 views

CNN design acceleration

I'm praying to develop a CNN for image analysis, I've around 100K labeled images. I'm getting an accuracy around 85% with a val_acc arround 82%, so it looks like the model generalize better than fits....
3
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1answer
67 views

Use cross-validation to train after model selection

I have been recently reading about model selection algorithms (for example to decide which value of the regularisation parameter or what size of a neural network to use, broadly hyper-parameters). ...
5
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1answer
149 views

What happens to the training data after your machine learning model has been trained?

I am completely new to all this, for the life of me I can't find the answer to this question anywhere on Google. What happens after you have used machine learning to train your model? What happens to ...
6
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3answers
121 views

AI composing music

Do you know what AI model would be best for let it learn composing music? I really don't know where to start there. Are there some good papers out there? I would say, if I use a NN, my only option ...
4
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2answers
95 views

Evolving network in game

So I wrote simple feed forward neural network that plays tic-tac-toe: 9 neurons in input layers: 1 - my sign, -1 - opponent's sign, 0 - empty; 9 neurons in hidden layer: value calculated using Relu; ...
4
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1answer
35 views

How to compare the training performance of a model on different data input?

So I have a deep learning model and three data sets (images). My theory is that one of these data sets should function better when it comes to training a deep learning model (meaning that the model ...
2
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1answer
30 views

How do I compute log-likelihood for training set in supervised learning?

I am building a supervised learning model and I wish to compute the log-likelihood for the training set at the point of the minimum validation error. Initially, I was computing the sum of all the ...
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0answers
46 views

Is there a software framework for simulating reduced precision (fixed point etc) training of neural networks

I mean a framework (could be an extension to Caffe or TensorFlow) which allows to see the effects of reduced numerical precision training when all computations like gradients, activations, weight ...
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0answers
60 views

Sentence classification and named identity detection with automatic retraining

I am learning AI and trying out my first real life AI application. What I am trying to do is taking as an input various sentences, and then classifying the sentences into one of X number of categories ...
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0answers
30 views

What methods are there to detect discrimination in trained models?

I've been researching AI regulation and compliance (see my related question on law.stackexchange), and one of the big take-aways that I had is that the regulations that apply to a human will apply to ...
1
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1answer
27 views

Restoration of localized damaged areas (time signals, but guess also applicable to images)

I am starting to study the capabilities of neural networks for the reconstruction/restoration/... of communication signals. I am feeding my neural network with a signal which has some parts which ...
2
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1answer
57 views

What beginner-friendly machine learning method should I use to make teams for my pickup ultimate frisbee club fairly balanced?

A bunch of friends and I play ultimate every week. Recently I wrote a program to choose our teams for us, as well as keep track of certain data (like which players were on which team, which team won, ...
3
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2answers
61 views

How to actually teach the ANN the resulting weights of different training inputs?

I thought I have implemented the code (from scratch, no library) for an artificial neural network (first endeavour in the field). But I feel like I miss something very basic or obvious. To make it ...
2
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1answer
40 views

If use the weights from previous iteration of a k-fold cross validation to seed a neural network classifier would I be overfitting?

As is done traditionally, I used k-fold cross validation to select and optimize the hyper parameters of my neural network classifier. When it was time to store the final model for future predictions, ...
3
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3answers
147 views

Why should weights of Neural Networks be initialized to random numbers?

Premise Ok, I know that this question was asked before on ai.SE, on stats.SE and also on SO. So I did my homework in checking before posting my question, but none of them has an answer that fully ...
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0answers
74 views

Object recognition by two or more traits that are orthogonal (informally speaking)

I would really appreciate if someone could comment the following method of training neural nets providing them with some meta data (Making them more color prone only if needed, whereas now they're ...
4
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1answer
127 views

Can some one help me understand this paragraph from Nvidia's progressive gan paper?

Furthermore, we observe that mode collapses traditionally plaguing GANs tend to happen very quickly, over the course of a dozen minibatches. Commonly they start when the discriminator overshoots, ...
5
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3answers
915 views

TensorFlow batch learning

I used the example at - https://github.com/aymericdamien/TensorFlow-Examples/blob/master/examples/5_DataManagement/tensorflow_dataset_api.py - to create my own classification model. I used different ...
4
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2answers
66 views

How long has it taken for autonomous driving cars to be being sold and used on the roads today?

I remember the first time hearing about google trying to make driverless cars. That was YEARS ago! These days, I'm beginning to learn about Neural Nets and other types of ML and I was wondering: ...
3
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1answer
52 views

How to design a recommendation system for shift swapping?

I need to design an algorithm such that it handles the request for shift swapping. The algorithm will recommend a list of people who are more likely to swap that shift with the person by analyzing ...
1
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1answer
57 views

How to refine K-means clustering on a data set?

I'm working with a data set where the data is stored in a string such as AxByCyA where A, B ...