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In the Global Navigation Satellite System (GNSS) context, the growing number of available satellites has lead to many challenges when it comes to choosing the most accurate pseudorange contributions, given the strong impact of biased…

Signal Processing · Electrical Eng. & Systems 2023-06-09 Ibrahim Sbeity , Christophe Villien , Benoît Denis , E. Veronica Belmega

Deep Reinforcement Learning has been successfully applied in various computer games [8]. However, it is still rarely used in real-world applications, especially for the navigation and continuous control of real mobile robots [13]. Previous…

We learn end-to-end point-to-point and path-following navigation behaviors that avoid moving obstacles. These policies receive noisy lidar observations and output robot linear and angular velocities. The policies are trained in small,…

Robotics · Computer Science 2019-02-05 Hao-Tien Lewis Chiang , Aleksandra Faust , Marek Fiser , Anthony Francis

Reinforcement learning-based mapless navigation holds significant potential. However, it faces challenges in indoor environments with local minima area. This paper introduces a safe mapless navigation framework utilizing hierarchical…

Robotics · Computer Science 2025-03-18 Jianqi Gao , Xizheng Pang , Qi Liu , Yanjie Li

Effective navigation intelligence relies on long-term memory to support both immediate generalization and sustained adaptation. However, existing approaches face a dilemma: modular systems rely on explicit mapping but lack flexibility,…

Machine Learning · Computer Science 2026-03-26 Zhiyuan Chen , Yuxuan Zhong , Fan Wang , Bo Yu , Pengtao Shao , Shaoshan Liu , Ning Ding

Forecasting high-dimensional spatiotemporal systems remains computationally challenging for recurrent neural networks (RNNs) and long short-term memory (LSTM) models due to gradient-based training and memory bottlenecks. Reservoir Computing…

Machine Learning · Computer Science 2026-01-05 Ata Akbari Asanjan , Filip Wudarski , Daniel O'Connor , Shaun Geaney , Elena Strbac , P. Aaron Lott , Davide Venturelli

Recurrent neural networks (RNNs) in the brain and in silico excel at solving tasks with intricate temporal dependencies. Long timescales required for solving such tasks can arise from properties of individual neurons (single-neuron…

Neural and Evolutionary Computing · Computer Science 2024-10-31 Sina Khajehabdollahi , Roxana Zeraati , Emmanouil Giannakakis , Tim Jakob Schäfer , Georg Martius , Anna Levina

Planning in learned latent spaces helps to decrease the dimensionality of raw observations. In this work, we propose to leverage the ensemble paradigm to enhance the robustness of latent planning systems. We rely on our Latent Space Roadmap…

Robotics · Computer Science 2023-03-28 Martina Lippi , Michael C. Welle , Andrea Gasparri , Danica Kragic

This study applies recurrent neural networks (RNNs), which are known for its ability to process sequential information, to model the spatio-temporal dynamics of land use change (LUC) and to forecast annual land use maps of the city of…

Applications · Statistics 2018-05-08 Guodong Du , Liang Yuan , Kong Joo Shin , Shunsuke Managi

Long Short-Term Memory (LSTM) is a recurrent neural network (RNN) architecture that has been designed to address the vanishing and exploding gradient problems of conventional RNNs. Unlike feedforward neural networks, RNNs have cyclic…

Neural and Evolutionary Computing · Computer Science 2014-02-06 Haşim Sak , Andrew Senior , Françoise Beaufays

Recent advances in event-based neuromorphic systems have resulted in significant interest in the use and development of spiking neural networks (SNNs). However, the non-differentiable nature of spiking neurons makes SNNs incompatible with…

Neural and Evolutionary Computing · Computer Science 2020-07-10 Ali Lotfi Rezaabad , Sriram Vishwanath

Existing deep learning-based depth completion methods generally employ massive stacked layers to predict the dense depth map from sparse input data. Although such approaches greatly advance this task, their accompanied huge computational…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Yufei Wang , Bo Li , Ge Zhang , Qi Liu , Tao Gao , Yuchao Dai

Recurrent neural networks have shown remarkable success in modeling sequences. However low resource situations still adversely affect the generalizability of these models. We introduce a new family of models, called Lattice Recurrent Units…

Machine Learning · Computer Science 2017-11-23 Chaitanya Ahuja , Louis-Philippe Morency

Spatial cognition enables adaptive goal-directed behavior by constructing internal models of space. Robust biological systems consolidate spatial knowledge into three interconnected forms: \textit{landmarks} for salient cues, \textit{route…

Artificial Intelligence · Computer Science 2025-08-26 Shouwei Ruan , Liyuan Wang , Caixin Kang , Qihui Zhu , Songming Liu , Xingxing Wei , Hang Su

End-to-end architectures have been recently proposed for spoken language understanding (SLU) and semantic parsing. Based on a large amount of data, those models learn jointly acoustic and linguistic-sequential features. Such architectures…

Computation and Language · Computer Science 2020-02-17 Marco Dinarelli , Nikita Kapoor , Bassam Jabaian , Laurent Besacier

This study addresses a gap in the utilization of Reinforcement Learning (RL) and Machine Learning (ML) techniques in solving the Stochastic Vehicle Routing Problem (SVRP) that involves the challenging task of optimizing vehicle routes under…

Artificial Intelligence · Computer Science 2023-11-15 Zangir Iklassov , Ikboljon Sobirov , Ruben Solozabal , Martin Takac

Successful recurrent models such as long short-term memories (LSTMs) and gated recurrent units (GRUs) use ad hoc gating mechanisms. Empirically these models have been found to improve the learning of medium to long term temporal…

Machine Learning · Computer Science 2018-05-01 Corentin Tallec , Yann Ollivier

Recurrent Neural Networks (RNN) are known as powerful models for handling sequential data, and especially widely utilized in various natural language processing tasks. In this paper, we propose Contextual Recurrent Units (CRU) for enhancing…

Computation and Language · Computer Science 2019-11-15 Yiming Cui , Wei-Nan Zhang , Wanxiang Che , Ting Liu , Zhipeng Chen , Shijin Wang , Guoping Hu

Reinforcement Learning (RL), among other learning-based methods, represents powerful tools to solve complex robotic tasks (e.g., actuation, manipulation, navigation, etc.), with the need for real-world data to train these systems as one of…

Robotics · Computer Science 2020-07-28 Kenzo Lobos-Tsunekawa , Tatsuya Harada

In recent years, considerable progress has been made towards a vehicle's ability to operate autonomously. An end-to-end approach attempts to achieve autonomous driving using a single, comprehensive software component. Recent breakthroughs…

Robotics · Computer Science 2019-05-17 Hege Haavaldsen , Max Aasboe , Frank Lindseth
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