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In this paper, we propose a novel trajectory learning method that exploits motion trajectories on topological map using recurrent neural network for temporally consistent geolocalization of object. Inspired by human's ability to both be…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Bing Zha , Alper Yilmaz

In this work, we propose to use linguistic annotations as a basis for a \textit{Discourse-Aware Semantic Self-Attention} encoder that we employ for reading comprehension on long narrative texts. We extract relations between discourse units,…

Computation and Language · Computer Science 2019-08-29 Todor Mihaylov , Anette Frank

Terrain classification is a critical component of any autonomous mobile robot system operating in unknown real-world environments. Over the years, several proprioceptive terrain classification techniques have been introduced to increase…

Robotics · Computer Science 2018-04-04 Abhinav Valada , Wolfram Burgard

Understanding pedestrian behavior patterns is a key component to building autonomous agents that can navigate among humans. We seek a learned dictionary of pedestrian behavior to obtain a semantic description of pedestrian trajectories.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-17 Faith Johnson , Kristin Dana

Effective modeling of human interactions is of utmost importance when forecasting behaviors such as future trajectories. Each individual, with its motion, influences surrounding agents since everyone obeys to social non-written rules such…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Francesco Marchetti , Federico Becattini , Lorenzo Seidenari , Alberto Del Bimbo

We introduce a dynamical spatio-temporal model formalized as a recurrent neural network for forecasting time series of spatial processes, i.e. series of observations sharing temporal and spatial dependencies. The model learns these…

Machine Learning · Computer Science 2018-04-24 Ali Ziat , Edouard Delasalles , Ludovic Denoyer , Patrick Gallinari

Trajectory Prediction of dynamic objects is a widely studied topic in the field of artificial intelligence. Thanks to a large number of applications like predicting abnormal events, navigation system for the blind, etc. there have been many…

Machine Learning · Computer Science 2017-05-29 Daksh Varshneya , G. Srinivasaraghavan

In this work we explore a new approach for robots to teach themselves about the world simply by observing it. In particular we investigate the effectiveness of learning task-agnostic representations for continuous control tasks. We extend…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Debidatta Dwibedi , Jonathan Tompson , Corey Lynch , Pierre Sermanet

Mimicking human ability to forecast future positions or interpret complex interactions in urban scenarios, such as streets, shopping malls or squares, is essential to develop socially compliant robots or self-driving cars. Autonomous…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Matteo Lisotto , Pasquale Coscia , Lamberto Ballan

Spatio-temporal grounding describes the task of localizing events in space and time, e.g., in video data, based on verbal descriptions only. Models for this task are usually trained with human-annotated sentences and bounding box…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Brian Chen , Nina Shvetsova , Andrew Rouditchenko , Daniel Kondermann , Samuel Thomas , Shih-Fu Chang , Rogerio Feris , James Glass , Hilde Kuehne

Mobile robots operating in unknown urban environments encounter a wide range of complex terrains to which they must adapt their planned trajectory for safe and efficient navigation. Most existing approaches utilize supervised learning to…

Robotics · Computer Science 2021-11-05 Jannik Zürn , Wolfram Burgard , Abhinav Valada

Accurate vehicle trajectory prediction is crucial for ensuring safe and efficient autonomous driving. This work explores the integration of Transformer based model with Long Short-Term Memory (LSTM) based technique to enhance spatial and…

Robotics · Computer Science 2024-12-19 Chandra Raskoti , Weizi Li

This paper presents an end-to-end approach for tracking static and dynamic objects for an autonomous vehicle driving through crowded urban environments. Unlike traditional approaches to tracking, this method is learned end-to-end, and is…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Julie Dequaire , Dushyant Rao , Peter Ondruska , Dominic Wang , Ingmar Posner

We introduce a novel self-supervised learning approach to learn representations of videos that are responsive to changes in the motion dynamics. Our representations can be learned from data without human annotation and provide a substantial…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Simon Jenni , Givi Meishvili , Paolo Favaro

Learning representations of spatial references in natural language is a key challenge in tasks like autonomous navigation and robotic manipulation. Recent work has investigated various neural architectures for learning multi-modal…

Computation and Language · Computer Science 2020-10-08 Tsung-Yen Yang , Andrew S. Lan , Karthik Narasimhan

We propose a general self-supervised learning approach for spatial perception tasks, such as estimating the pose of an object relative to the robot, from onboard sensor readings. The model is learned from training episodes, by relying on: a…

Robotics · Computer Science 2021-07-20 Mirko Nava , Antonio Paolillo , Jérôme Guzzi , Luca Maria Gambardella , Alessandro Giusti

In this paper, we present a new tracking architecture with an encoder-decoder transformer as the key component. The encoder models the global spatio-temporal feature dependencies between target objects and search regions, while the decoder…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Bin Yan , Houwen Peng , Jianlong Fu , Dong Wang , Huchuan Lu

We introduce a representation learning framework for spatial trajectories. We represent partial observations of trajectories as probability distributions in a learned latent space, which characterize the uncertainty about unobserved parts…

Machine Learning · Computer Science 2022-10-05 Dídac Surís , Carl Vondrick

Analyzing sequential data is crucial in many domains, particularly due to the abundance of data collected from the Internet of Things paradigm. Time series classification, the task of categorizing sequential data, has gained prominence,…

Machine Learning · Computer Science 2024-06-21 Venkata Ragavendra Vavilthota , Ranjith Ramanathan , Sathyanarayanan N. Aakur

Sociability is essential for modern robots to increase their acceptability in human environments. Traditional techniques use manually engineered utility functions inspired by observing pedestrian behaviors to achieve social navigation.…

Robotics · Computer Science 2023-04-26 Yigit Yildirim , Emre Ugur