Questions tagged [ai-design]

For questions related to the design of AI agents, algorithms or models.

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Machine learning algorithms for languages detection & translation

https://translate.google.com/ https://www.ethnologue.com/guides/how-many-languages https://en.wikipedia.org/wiki/Natural_language_processing The Google translator website detects and translates about ...
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21 views

How to find a parameter combination for a black box using AI?

I am working on a project where I encountered a component which takes 96 arguments (all integer values) and outputs 12 float values. I would like to find a useful combination of these 96 values to ...
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1answer
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How can I determine whether a video's frame is realistic (was recorded by a camera) or contains computer-generated graphics?

Given a video, I'm trying to classify whether it is a graphical (computer-generated) or realistic scene. For instance, if it contains computer-generated graphics, credit, moving bugs, blue screen, etc....
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1answer
86 views

How to find the optimal pokemon team

Pokemon is a game where 2 players each select 6 Pokemon (a team) at the beginning of the game without knowing the other player's team. Every Pokemon has one or two types. Every type is either weak, ...
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2answers
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How to train a model to predict the number of people at a certain bus stop before they cumulate in large numbers?

Each person probably uses an app that tracks his/her position periodically and sends it to our servers. What I want is to use these data to train a model to predict the rush hours of each bus-stop on ...
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36 views

How can I build a recommendation system that takes into account some constraints or the context?

I am building a recommendation system that recommends relevant articles to the user. I am doing this using simple similarity-based techniques (with the Jaccard similarity) using as features the page ...
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24 views

Confusion on Math Notation Definition

I attempt to understand the formulation of dictionary learning for this paper: Depression Detection via Harvesting Social Media: A Multimodal Dictionary Learning Solution Multimodal Task-Driven ...
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1answer
31 views

Choosing an AI method to recreate a given binary 2D image

If the title wan not very clear, I want a method to take an input image like this, [[0, 0, 0, 0], [1, 1, 1, 0], [1, 1, 1, 0], [0, 1, 1, 0]] and output the 2D ...
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Given two neural networks that compute two functions $f(x)$ and $g(x)$, how can I create a neural network that computes $f(x)g(x)$?

I have two functions $f(x)$ and $g(x)$, and each of them can be computed with a neural network $\phi_f$ and $\phi_g$. My question is, how can I write a neural net for $f(x)g(x)$? So, for example, if $...
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What is the current way robots can assess and traverse difficult obstacles in 3d space?

What is the current way robots can assess and traverse difficult obstacles in 3d space? I could see manual feature extraction using stereo vision (for example, the height of the obstacle, "...
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Which is the best RL algo for continuous states but discrete action spaces problem

I am trying to train an AI with an environment where the states are continuous but the actions are discrete, that means I can not apply DDPG or TD3. Can someone please help to let know what should be ...
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1answer
72 views

Do I need a large pool of training data to train a bot to play the 'pegging' game in the cribbage card game

The game of cribbage https://en.wikipedia.org/wiki/Cribbage is a two-player card game played over a series of deal with the goal to reach 121 points. The game's elements are: the discard. There are ...
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37 views

How can one be sure that a particular neural network architecture would work?

Traditionally, when working with tabular data, one can be sure(or at least know) that a model works because the included features could explain a target variable, say "Price of a ticket" ...
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40 views

Can text-independent writer identification be done without multi-sentence training datasets for each writer?

I am trying to learn more about text-independent writer identification and was hoping for some advice. I have a folder with 100k images, each of them with a different handwritten sentence. All of the ...
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How can I formulate a prediction problem (given labeled data) as an RL problem and solve it with Q-learning?

One of my friends sent me a problem he was working on lately, and I couldn't help but I wonder how could it be solved using Q-learning. The statement is as follows: Given the following datasets, the ...
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How to use Ocelot to run an AI script on the CPU which would normally use GPU?

So most of AI scripts that output something (GANs generating image files for example) use CUDA and thus require a GPU to run them. I have a 7 year old Nvidia GPU which does not support that and thus ...
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How to design a graph neural network to predict the forces in truss elements of a space frame?

I am trying to create a Graph NN that will be able to predict the forces in truss elements of a space frame. The input for the NN will be a graph, where the nodes represent the nodes of the spaceframe....
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2answers
50 views

What is meant by gene, chromosome, population in genetic algorithm in terms of feature selection?

I am trying to understand the genetic algorithm in terms of feature selection and these features are extracted using a machine learning algorithm. Let's suppose I have data of heart rate for 3 minutes ...
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15 views

How to autocorelate multiple variants of same text into one?

I want to improve quality of translations for open-source projects in Ukrainian language. We have multiple translations from different authors. We can also translate messages using machine ...
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0answers
47 views

How to compare SegNet, U-Net and EfficientNet?

SegNet and U-Net are created for segmentation problem and EfficientNet is created for classification problem. I have a task and it is saying that train these models on the same dataset and compare ...
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1answer
91 views

How to implement RAM versions of Atari games

I have coded the breakout RAM version, but, unfortunately, its highest reward was 5. I trained it for about 2 hours and never reached a higher score. The code is huge, so I can't paste here, but, in ...
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1answer
186 views

How to train a reinforcement learning agent from raw pixels?

How would you train a reinforcement learning agent from raw pixels? For example, if you have 3 stacked images to sense motion, then how would you pass them to neural networks to output Q-learning ...
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1answer
37 views

How to add more than 1 agent in one generation with Q Learning

Sometimes the agent learns a bit slow and you want to have multiple agents in one generation. And at each episode you'll draw on the screen only the best of them or all of them. How is that possible? ...
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1answer
54 views

How can I model and solve the Knight Tour problem with reinforcement learning?

I've read about the Knight Tour problem. And I wanted to try to solve it with a reinforcement learning algorithm with OpenAI's gym. So, I want to make a bot that can move on the chess table like the ...
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1answer
63 views

What should the action space for the card game Crib be?

I'm working on creating an environment for a card game, which the agent chooses to discard certain cards in the first phase of the game, and uses the remaining cards to play with. (The game is Crib if ...
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0answers
30 views

Is there an AI tool to reverse engineer scanned data to obtain its CAD file?

Today, if you scan an object and want its CAD file (Solidworks/Autocad), you need to use reverse engineering software (Geomagic). This takes time and you need experience of the software tools. Is ...
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47 views

Which machine learning method can take a matrix as input?

I am pretty new to the machine learning field. I want to use an $n \times m$ matrix as the input of a model, in order to predict a vector $1 \times m$, both of real numbers. Input data are quite clean,...
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1answer
42 views

How can I make ELIZA more realistic?

I’ve coded a simple ELIZA chatbot for a high school coding competition. The chatbot is part of an app that’s designed to help its user cope with depression, anxiety, and similar mental health ...
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0answers
30 views

Is there an online RL algorithm that receives as input a camera frame and produces an action as output?

I want to build a reinforcement learning model, which takes a camera picture as input, that learns online (in terms of machine learning). Based on the position of an object on the camera, I want the ...
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0answers
118 views

Wooden railway search problem AI

I have this problem. A basic wooden railway set contains the pieces shown in Figure 3.32. The task is to connect these pieces into a railway that has no overlapping tracks and no loose ends where a ...
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54 views

Which activation functions should I use for polynomial regression?

I am a beginner in machine learning and neural networks. I have only used neural networks for classification problems. My aim is to modify it so that it can work for polynomial regression as well. In ...
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How to approach learning(deeper understanding) about AI? [closed]

I already took an undergrad class about AI. We used AIMA as a reference and CS 188 course materials from UC Berkeley. My issue with learning is that we took a very shallow approach to learning about ...
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36 views

Can SqueezeNet be used for regression?

I want a model that outputs the pixel coordinates of the tip of my forefinger, and whether it's touching something or not. Those would be 3 output neurons: 2 for the X-Y coordinates and 1, with a ...
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37 views

Automating browser actions using AI

I am at a very initial stage of my research so I will try to describe what I am trying to achieve: I want to create an AI model which learns how to navigate the browser's component like clicking or ...
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22 views

How can I design a system that suggests physical exercises to a person while keeping into account the fatigue?

I want to create an exercise suggester. Each day either has a routine or is a rest day. A routine has 4 slots. For each slot we select an exercise. We constrain the legal exercises, only do upper-body ...
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1answer
46 views

What are the best classifiers for this type of data?

I would like to classify a dataset Credit Scoring, which is composed of 21 attributes, some of them are numeric and others are boolean. For the output, I want to know if they have a good or bad ...
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1answer
41 views

A model for each sub-problem vs one model for the whole problem

Let's say one wants to use a neural net to learn some function $g(x)$. Let's say that we know that $g$ is a combination of two functions (or two sub-problems), $g(x)=f_2(f_1(x))$, and that we have two ...
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38 views

How can I approximate a function that determines the priority of objects?

I am facing the following supervised learning problem: An object is fully characterized by its position in $R^n$. There are $m$ objects. There are fully observable (i.e. their positions are always ...
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28 views

How do we determine the membership functions and values for this problem?

The goal of our project is to identify the quality of a grain and we have two values, A and B. ...
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0answers
29 views

What should be a good playing strategy in this 2-player simultaneous game?

This is a bot making problem from here. I am detailing the problem. The picture above shows the initial configuration of the game. P1 represents player1 and P2 represents player2. A scotch bottle is ...
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0answers
28 views

How can I design a DQN or policy gradient model to explore and collect all optimal solutions?

I am working to use DQN and Policy Gradient reinforcement learning models to solve classic maze escaping problems. So far, I have been able to train a model, which, after around 100 episodes, ...
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44 views

Why is the number of neurons used in various neural networks power of 2?

I have noticed that almost all tutorials take the number of neurons as a power of 2. Is there any proper mathematical and well-proven reason for that? If you sometimes change it to some other odd ...
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17 views

Leaky Discriminators and Siamese GANs

Is it useful to use Siamese network structure for GANs like sharing latent space between ...
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1answer
41 views

How would you build an AI to output the primary concept of a paragraph?

My thinking is you input a paragraph, or sentence, and the program can boil it down to the primary concept(s). Example: Input: Sure, it would be nice if morality was simply a navigation toward ...
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0answers
29 views

How can I formalise a non-zero-sum game of $N$ agent as Markov game?

I coded a non-zero-sum game of $N$ agents in a discrete dynamic environment to RL with Q-learning and DQN agents. It's like a marathon. Only two actions are available per agent: $\{ G \text{ (move ...
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5answers
98 views

Which classifier should I use for a dataset with one feature?

I have a labeled dataset composed of 3000 data. Its single feature is the price of the house and its label is the number of bedrooms. Which classifier would be a good choice to classify these data?
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How do I format task features with a one-hot task identification vector to ensure separate weight matrices for each task in multi-task RL?

I am on Lecture 2 of Stanford CS330 Multi-Task and Meta-learning, and on slide 10, the professor describes using a one-hot input vector to represent the task, and she also explained that there would ...
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27 views

Why is my SVM not reaching good accuracy when trained to perform binary classification of search results?

I am trying to perform binary classification of search results based on the relevance to the query. I followed this tutorial on how to make an SVM, and I got it to work with a small iris dataset. Now, ...
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2answers
107 views

Why do we need both the validation set and test set?

I know that this has been asked a hundred times before, however, I was not able to find a question (and an answer) which actually answered what I wanted to know, respectively, which explained it in a ...
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1answer
44 views

Should I be trying to create a generic or specific (to particular game) reinforcement learning agent?

I'm creating an RL application for the game Connect Four. In general, should I be aiming to create an application that's more generic, which would 'learn' different games, or specific to a ...

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