Questions tagged [python]

For questions related to AI implementation in the Python language

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16 views

Ideas on how to train an AI to play Mario Kart with the DeSmuME Emulator

Gday guys, i have this idea in my mind for quite a while. I want to teach an AI to play Mario Kart on the NDS, which can hopefully beat me and my friends one day. Iam familiar with the theoretical ...
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0answers
11 views

How to choose the suitable Neural Network Architecture for Regression Tasks

so I'm working on a Project where I want to predict the Vehicle Position from the Vehicle Data like speed, acceleration etc.. now the data that I have comes also with a timestamp for each sample ( I ...
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1answer
31 views

Can A.I/Deep Learning use one image as content for another image?

Is it possible for A.I to redraw an image in a new context? More specifically, suppose I take a photo of a notebook. I get the angle, lighting and perspective perfect. Now I copy an image I found ...
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22 views

How to calculate covariance matrix of the mini-batch in the k-th layer using Python?

I am a beginner in Python. I want to calculate the covariance matrix of a mini-batch in a given hidden layer.
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45 views

Why the loss keep increasing during training?

I'm trying to use TensorFlow and this how I compute the loss ...
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0answers
30 views

How to control the switches of a railway track with Artificial Intelligence?

Usually, it's very complicated to program a real time strategy game from scratch. Notable examples like Lemmings or Starcraft are software projects with a large amount of codelines. A much easier ...
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1answer
33 views

Why is batch gradient descent performing worse than stochastic and minibatch gradient descent?

I have implemented a neural network from scratch (only using numpy) and I am having problems understanding why the results are so different between stochastic/minibatch gradient descent and batch ...
2
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0answers
25 views

how to use Softmax action selection algorithm in atari-like game

I'm currently writing a program using keras (python 3) to play a game similar to Atari games, only in this one there are objects moving in the screen in different angles and directions (in most of ...
4
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1answer
36 views

How Machine Learning Studies Correlation?

This is my problem: I have 10 variables that I intend to evaluate two by two (in pairs). I want to know which variables have the strongest relationships with each other. And I'm only interested in ...
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1answer
45 views

Python ERROR: No matching distribution found for tensorflow [closed]

Now as I understand that kind of technical questions is out of scope for the ai.stackexchange.com I will use stackexchange.com for such technical questions. Thank you for you all for your ...
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14 views

Matterport MRCNN and multiclass classification

I want to create a model which solve a multiclass classification problem. The main concept is: every picture contain only one object the background is very simple all object is coming from the same ...
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27 views

I am trying to create a network with dynamic connections for every different training example

I have developed a new algorithm which has dynamic connections. it is based off of the following paper: https://www.researchgate.net/publication/...
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1answer
145 views

'numpy.ndarray' object is not callable error [closed]

I want to find optimize minimum value but it shows 'numpy.ndarray' object is not callable error. This is my code in python ...
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1answer
31 views

Can ConvLSTMs outuput images?

I am working on an image to image regression task which requires me to develop a deep learning model that takes in a sequence of 5 images and return another image. The sequence of 5 images and the ...
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31 views

Image to image regression in tensorflow

I am working on an image to image regression task which requires me to develop a deep learning model that takes in a sequence of 5 images and return another image. The sequence of 5 images and the ...
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0answers
40 views

How can construct python programming environment? [closed]

Now, I don't have full experiences with python using anaconda, so help me. In anaconda how can I use python in the field of object tracking.
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17 views

Suggestions for Deep Learning for regression on huge 3D volumes

I have a dataset of 3D images (volumes) with dimensions 400x250x400. For each input image I have an output of the same dimensions. I would like to train a machine learning (or deep learning) model on ...
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12 views

How to use FSICFR (or CFRM) trained result in real dice game playing

I trained a Liar Dice game (similar rule please refer to https://www.wikihow.com/Play-Liar%27s-Dice , and i am using 2 player + 1 dice vs 1 dice) with FSICFR algorithm and got an information set with ...
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2answers
108 views

Is it possible to teach an AI to edit video content?

Every week I will get a lot of videos from a game that I play, outside the game where you throw wooden skittle bats at skittles, and then I will cut videos, so that, at the end. there is video only ...
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1answer
71 views

Deep Q Learning Algorithm for Simple Python Game makes player stuck

I made a simple Python game. A screenshot is below: Basically, a paddle moves left and right catching particles. Some make you lose points while others make you gains points. This is my first Deep Q ...
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8answers
13k views

Is a switch from R to Python worth it?

I just finished a 1-year Data Science master's program where we were taught R. I found that Python is more popular and has a larger community in AI. Is it worth for someone in my position to switch ...
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1answer
53 views

How to train a LSTM model with multi dimensional data

I am trying to train my model using LTSM layer in Keras (python). I have some problems regarding the data representation and feeding it into the model. My data is 184 XY coodinates encoded as a numpy ...
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0answers
10 views

Extracting Descriptors and feature points for 3d mesh

I'm programming my work with python, and I have a mesh and I want to extract 3d descriptors and feature points from it( trying to work on multi-scale strategy) , to visualize them later on the mesh, ...
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0answers
39 views

Grouped Text classification

I have thousands groups of paragraphs and I need to classify these paragraphs. The problem is that I need to classify each paragraph based on other paragraphs in the group! For example, a paragraph ...
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32 views

Understanding policy update in PPO2

I have a question regarding the functionality of the PPO2 algorithm together with the Stable Baselines implementation: From the original paper I know that the policy parameters $\theta$ are updated K-...
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0answers
24 views

AI for Warcraft 3 Dota

I want to create AI for Dota1. Is it possible to create AI for Warcraft 3? How Open AI works in Dota2? I want to know more about algorithms what are in foundation in Open AI.
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0answers
18 views

i have trained my model & now trying to predict but unable to do using keras

i have trained my model & now trying to predict but unable to do please help. trying to predict cat or dog stuck in "prediction" ...
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1answer
97 views

Which approach can I use to generate text based on multiple inputs?

I have a little experience in building various models, but I've never created anything like this, so just wondering if I can be pointed in the right direction. I want to create (in python) a model ...
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24 views

Understanding log probabilities of actions in PPO objective

I'm trying to implement Proximal Policy Optimization algorithm (code here) but am confused about certain concepts:- 1) What is the correct way to implement log probability of a policy (denoted by ...
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1answer
36 views

Entropy term in Proximal Policy Optimization (PPO) becomes undefined after few training epochs

I have implemented the total loss of my PPO objective as follows:- ...
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0answers
14 views

Why are my convolutional layer activations large and saturating the softmax function?

I implemented a neural network in python from scratch (The github repo to it.). It works reasonably well and I benchmarked different designs using convolutional layers on MNIST and it worked better ...
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0answers
31 views

Understanding CNN+LSTM concept with attention and need help

I have a question about the context of CNN and LSTM. I have trained a CNN network for image classification. However, I would like to combine it with LSTM for visualizing the attention weights. So, I ...
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1answer
92 views

How to Mask an image using Numpy/OpenCV?

I am detecting wheels with a deep learning algorithm. The algorithm gives me the coordinates of those rectangles. I want to keep data that is in the rectangles of the image. I created rectangles as a ...
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1answer
22 views

How to rescale data to its original range after MinMaxScaler?

I'm using sklearn's MinMaxScaler in order to scale my data down. However, it would be nice to be able to rescale it back to its original range. Is there any way I ...
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1answer
28 views

How can I perform multivariable regression with neural networks?

I want to use a neural network to perform a multivariable regression, where my dataset contains multiple features, but I can't for the life of me figure it out. Every kind of tutorial on the internet ...
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1answer
39 views

Why does keras model get bigger after training?

I notice that I create a model using tensorflow.keras.Sequential(), save it and the file size is around 5 MiB, but after I call ...
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1answer
23 views

Better to learn the same small set for multiple epochs then go to the next or learn from each one time repeatedly for multiple times?

I don't know if I worded the title correctly. I have a big dataset (300000 of images after augumentation) and I've splitted it into 10 parts, because I can't convert the images into a numpy and save ...
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1answer
66 views

Which models accept numerical parameters and produce a numerical output?

I need a model that will take in a few numerical parameters, and give back a numerical answer (Context: predicting a slope based on environmental factors without having to actually take measurements ...
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11 views

Scikit-Learn: monotoneous quantile estimation

I would like to implement various AI-estimators for quantile estimation for a regression problem. It would be necessary to have non-crossing quantiles, that is larger quantiles would correspond to ...
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0answers
20 views

How to implement Multiple Neural network architecture, connected in parallel and series in Keras or Pytorch

Hello Dear StackExchange members, I want to make a deep network as shown in the image. I want each 'network 1 to look at the specific part of the input and I don't want to divide my input beforehand ...
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1answer
91 views

Reinforcement learning to play snake - network seems to not get trained at all

I am trying to build a network able to play snake game. This is my very first attempt to do such stuff. Unfortunately, I've stuck and even have no idea how to reason about the problem. I use ...
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138 views

Applying a 1D convolution for 4D input

i'm trying to implement this paper and I'm stuck for quite some time now. Here is the issue: I have a 3D tensor and has (180,200,20) as dimension and I'm trying ...
3
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1answer
54 views

DQN in stochastic environment

I'm trying to apply a DQN to a stochastic environment but i'm having trouble getting it to converge. I found some similar questions asked here, but no solutions yet. I can fairly easy get the DQN to ...
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0answers
21 views

How to voxelize multiple frames at the time and append them together?

I'm trying to implement this approach for object detection and tracking. In this approach, the first step is voxelize each frame to construct a 3D tensor, the second step is to append multiple voxels ...
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15 views

Issues related to RoI Pooling in keras

I am trying to do RoI pooling of an image whose RoI bounding box coordinates are known to me. Can anyone provide me the code for doing the same? I have read many repositories but I didn't get any ...
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1answer
93 views

Problem over DQN Algorithm not converging on snake

I'm using a DQN Algorithm to play Snake. The input of the neural network is a stack of 4 images taken from the games 80x80. The output is an array of 4 values, one for every direction. The problem ...
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1answer
24 views

Intermittent type error when operating CNN inside Docker container

I've been working on a simple computer vision API with a few endpoints for grabbing useful information from ebay images. The API lives in a docker container that looks for the h5 files, downloads ...
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0answers
70 views

Deep Q-Network (DQN) to learn the game 2048

I am trying to build a Deep Q-Network (DQN) agent that can learn to play the game 2048. I am orientating myself on other programs and articles that are based on the game snake and it worked well (...
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0answers
55 views

Exploding population size in neat-python

I am trying to make my AI win the board game "Catan" against my friends. Therefore i am using the python implementation of NEAT. As I changed the values of ...
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1answer
51 views

Railway set artificial inteligence

P3 A basic wooden railway set contains the pieces shown in Figure 3 The task is to connect these pieces into a railway that has no overlapping tracks and no loose ends where a train could run off onto ...