Search Results for author: Angel Ayala

Found 5 papers, 1 papers with code

Explaining Agent's Decision-making in a Hierarchical Reinforcement Learning Scenario

no code implementations14 Dec 2022 Hugo Muñoz, Ernesto Portugal, Angel Ayala, Bruno Fernandes, Francisco Cruz

The results obtained showed that it is possible to use the memory-based method in hierarchical environments with high-level tasks and compute the probabilities of success to be used as a basis for explaining the agent's behavior.

Decision Making Hierarchical Reinforcement Learning +2

Explainable Deep Reinforcement Learning Using Introspection in a Non-episodic Task

no code implementations18 Aug 2021 Angel Ayala, Francisco Cruz, Bruno Fernandes, Richard Dazeley

Explainable reinforcement learning allows artificial agents to explain their behavior in a human-like manner aiming at non-expert end-users.

Decision Making reinforcement-learning +1

Unmanned Aerial Vehicle Control Through Domain-based Automatic Speech Recognition

no code implementations9 Sep 2020 Ruben Contreras, Angel Ayala, Francisco Cruz

The obtained results show that the unmanned aerial vehicle is capable of interpreting user voice instructions achieving an improvement in speech-to-action recognition for both languages when using phoneme matching in comparison to only using the cloud-based algorithm without domain-based instructions.

Action Recognition Automatic Speech Recognition +2

KutralNet: A Portable Deep Learning Model for Fire Recognition

1 code implementation16 Aug 2020 Angel Ayala, Bruno Fernandes, Francisco Cruz, David Macêdo, Adriano L. I. Oliveira, Cleber Zanchettin

The experiments show that our model keeps high accuracy while substantially reducing the number of parameters and flops.

Deep Reinforcement Learning with Interactive Feedback in a Human-Robot Environment

no code implementations7 Jul 2020 Ithan Moreira, Javier Rivas, Francisco Cruz, Richard Dazeley, Angel Ayala, Bruno Fernandes

We compare three different learning methods using a simulated robotic arm for the task of organizing different objects; the proposed methods are (i) deep reinforcement learning (DeepRL); (ii) interactive deep reinforcement learning using a previously trained artificial agent as an advisor (agent-IDeepRL); and (iii) interactive deep reinforcement learning using a human advisor (human-IDeepRL).

reinforcement-learning Reinforcement Learning (RL)

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