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This work focuses on object goal visual navigation, aiming at finding the location of an object from a given class, where in each step the agent is provided with an egocentric RGB image of the scene. We propose to learn the agent's policy…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Bar Mayo , Tamir Hazan , Ayellet Tal

Learning efficiently a causal model of the environment is a key challenge of model-based RL agents operating in POMDPs. We consider here a scenario where the learning agent has the ability to collect online experiences through direct…

Machine Learning · Computer Science 2021-06-29 Maxime Gasse , Damien Grasset , Guillaume Gaudron , Pierre-Yves Oudeyer

Active inference is a theory that underpins the way biological agent's perceive and act in the real world. At its core, active inference is based on the principle that the brain is an approximate Bayesian inference engine, building an…

Artificial Intelligence · Computer Science 2020-03-09 Ozan Çatal , Samuel Wauthier , Tim Verbelen , Cedric De Boom , Bart Dhoedt

We present a reward-predictive, model-based deep learning method featuring trajectory-constrained visual attention for local planning in visual navigation tasks. Our method learns to place visual attention at locations in latent image space…

Robotics · Computer Science 2022-05-27 Stefan Wapnick , Travis Manderson , David Meger , Gregory Dudek

Given the complexities inherent in visual scenes, such as object occlusion, a comprehensive understanding often requires observation from multiple viewpoints. Existing multi-viewpoint object-centric learning methods typically employ random…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Yinxuan Huang , Chengmin Gao , Bin Li , Xiangyang Xue

Adaptive experiments automatically optimize their design throughout the data collection process, which can bring substantial benefits compared to conventional experimental settings. Potential applications include, among others: computerized…

Methodology · Statistics 2026-04-01 Lucas Gautheron , Nori Jacoby , Peter Harrison

We present a framework for efficient inference in structured image models that explicitly reason about objects. We achieve this by performing probabilistic inference using a recurrent neural network that attends to scene elements and…

Computer Vision and Pattern Recognition · Computer Science 2016-08-15 S. M. Ali Eslami , Nicolas Heess , Theophane Weber , Yuval Tassa , David Szepesvari , Koray Kavukcuoglu , Geoffrey E. Hinton

Is there a canonical way to think of agency beyond reward maximisation? In this paper, we show that any type of behaviour complying with physically sound assumptions about how macroscopic biological agents interact with the world…

Artificial Intelligence · Computer Science 2024-01-24 Lancelot Da Costa , Samuel Tenka , Dominic Zhao , Noor Sajid

In this paper, we propose a novel deep multi-level attention model to address inverse visual question answering. The proposed model generates regional visual and semantic features at the object level and then enhances them with the answer…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Yaser Alwattar , Yuhong Guo

How people look at visual information reveals fundamental information about themselves, their interests and their state of mind. While previous visual attention models output static 2-dimensional saliency maps, saccadic models aim to…

Computer Vision and Pattern Recognition · Computer Science 2017-02-16 Olivier Le Meur , Antoine Coutrot , Zhi Liu , Adrien Le Roch , Andrea Helo , Pia Rama

Intelligent agents must pursue their goals in complex environments with partial information and often limited computational capacity. Reinforcement learning methods have achieved great success by creating agents that optimize engineered…

Machine Learning · Computer Science 2021-06-07 Alejandro Daniel Noel , Charel van Hoof , Beren Millidge

Visual attention brings significant progress for Convolution Neural Networks (CNNs) in various applications. In this paper, object-based attention in human visual cortex inspires us to introduce a mechanism for modification of activations…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Saeed Masoudnia , Melika Kheirieh , Abdol-Hossein Vahabie , Babak Nadjar Araabi

In this paper we present a concise mathematical description of active inference in discrete time. The main part of the paper serves as a basic introduction to the topic, including a detailed example of the action selection mechanism. The…

Machine Learning · Computer Science 2025-05-20 Jesse van Oostrum , Carlotta Langer , Nihat Ay

This paper considers the problem of sensorimotor delays in the optimal control of (smooth) eye movements under uncertainty. Specifically, we consider delays in the visuo-oculomotor loop and their implications for active inference. Active…

Neurons and Cognition · Quantitative Biology 2016-10-19 Laurent Perrinet , Rick Adams , Karl Friston

Human-object interaction detection is an important and relatively new class of visual relationship detection tasks, essential for deeper scene understanding. Most existing approaches decompose the problem into object localization and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Tiancai Wang , Rao Muhammad Anwer , Muhammad Haris Khan , Fahad Shahbaz Khan , Yanwei Pang , Ling Shao , Jorma Laaksonen

In reinforcement learning (RL), agents often operate in partially observed and uncertain environments. Model-based RL suggests that this is best achieved by learning and exploiting a probabilistic model of the world. 'Active inference' is…

Machine Learning · Computer Science 2019-11-26 Alexander Tschantz , Manuel Baltieri , Anil. K. Seth , Christopher L. Buckley

Active learning aims to reduce labeling costs by selecting only the most informative samples on a dataset. Few existing works have addressed active learning for object detection. Most of these methods are based on multiple models or are…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Jiwoong Choi , Ismail Elezi , Hyuk-Jae Lee , Clement Farabet , Jose M. Alvarez

With the attention mechanism, transformers achieve significant empirical successes. Despite the intuitive understanding that transformers perform relational inference over long sequences to produce desirable representations, we lack a…

Machine Learning · Computer Science 2024-04-02 Yufeng Zhang , Boyi Liu , Qi Cai , Lingxiao Wang , Zhaoran Wang

Conventional works that learn grasping affordance from demonstrations need to explicitly predict grasping configurations, such as gripper approaching angles or grasping preshapes. Classic motion planners could then sample trajectories by…

Robotics · Computer Science 2021-08-17 Yantian Zha , Siddhant Bhambri , Lin Guan

The multifaceted nature of subjective experience poses a challenge to the study of consciousness. Traditional neuroscientific approaches often concentrate on isolated facets, such as perceptual awareness or the global state of consciousness…

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