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In this paper, we show how a planning algorithm can be used to automatically create and update a Behavior Tree (BT), controlling a robot in a dynamic environment. The planning part of the algorithm is based on the idea of back chaining.…

Robotics · Computer Science 2020-07-16 Michele Colledanchise , Diogo Almeida , Petter Ögren

In this paper, we introduce the Behavior Structformer, a method for modeling user behavior using structured tokenization within a Transformer-based architecture. By converting tracking events into dense tokens, this approach enhances model…

Computation and Language · Computer Science 2024-06-11 Oleg Smirnov , Labinot Polisi

Human behavior understanding requires looking at minute details in the large context of a scene containing multiple input modalities. It is necessary as it allows the design of more human-like machines. While transformer approaches have…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Tanay Agrawal , Michal Balazia , Philipp Müller , François Brémond

Robots should be able to learn complex behaviors from human demonstrations. In practice, these human-provided datasets are inevitably imbalanced: i.e., the human demonstrates some subtasks more frequently than others. State-of-the-art…

Robotics · Computer Science 2026-01-06 Sagar Parekh , Heramb Nemlekar , Dylan P. Losey

Decision Transformers (DT) have demonstrated strong performances in offline reinforcement learning settings, but quickly adapting to unseen novel tasks remains challenging. To address this challenge, we propose a new framework, called…

Machine Learning · Computer Science 2023-04-18 Mengdi Xu , Yuchen Lu , Yikang Shen , Shun Zhang , Ding Zhao , Chuang Gan

Multitarget Tracking (MTT) is the problem of tracking the states of an unknown number of objects using noisy measurements, with important applications to autonomous driving, surveillance, robotics, and others. In the model-based Bayesian…

Machine Learning · Computer Science 2021-06-07 Juliano Pinto , Georg Hess , William Ljungbergh , Yuxuan Xia , Lennart Svensson , Henk Wymeersch

Large Language Models (LLMs) have been widely utilized to perform complex robotic tasks. However, handling external disturbances during tasks is still an open challenge. This paper proposes a novel method to achieve robotic adaptive tasks…

Robotics · Computer Science 2024-08-20 Haotian Zhou , Yunhan Lin , Longwu Yan , Jihong Zhu , Huasong Min

Robots are traditionally bounded by a fixed embodiment during their operational lifetime, which limits their ability to adapt to their surroundings. Co-optimizing control and morphology of a robot, however, is often inefficient due to the…

Robotics · Computer Science 2022-12-20 Chen Yu , Weinan Zhang , Hang Lai , Zheng Tian , Laurent Kneip , Jun Wang

Generated hateful and toxic content by a portion of users in social media is a rising phenomenon that motivated researchers to dedicate substantial efforts to the challenging direction of hateful content identification. We not only need an…

Social and Information Networks · Computer Science 2019-10-29 Marzieh Mozafari , Reza Farahbakhsh , Noel Crespi

Transformers have gained increasing popularity in a wide range of applications, including Natural Language Processing (NLP), Computer Vision and Speech Recognition, because of their powerful representational capacity. However, harnessing…

In many real-world scenarios, data to train machine learning models becomes available over time. Unfortunately, these models struggle to continually learn new concepts without forgetting what has been learnt in the past. This phenomenon is…

Computation and Language · Computer Science 2023-01-16 Beyza Ermis , Giovanni Zappella , Martin Wistuba , Aditya Rawal , Cedric Archambeau

We introduce a framework that abstracts Reinforcement Learning (RL) as a sequence modeling problem. This allows us to draw upon the simplicity and scalability of the Transformer architecture, and associated advances in language modeling…

Autonomous driving requires operation in different behavioral modes ranging from lane following and intersection crossing to turning and stopping. However, most existing deep learning approaches to autonomous driving do not consider the…

Machine Learning · Computer Science 2019-01-15 Sauhaarda Chowdhuri , Tushar Pankaj , Karl Zipser

Multimodal learning aims to build models that can process and relate information from multiple modalities. Despite years of development in this field, it still remains challenging to design a unified network for processing various…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Yiyuan Zhang , Kaixiong Gong , Kaipeng Zhang , Hongsheng Li , Yu Qiao , Wanli Ouyang , Xiangyu Yue

Modern manufacturing demands robotic assembly systems with enhanced flexibility and reliability. However, traditional approaches often rely on programming tailored to each product by experts for fixed settings, which are inherently…

Robotics · Computer Science 2025-09-23 Xiwei Zhao , Yiwei Wang , Yansong Wu , Fan Wu , Teng Sun , Zhonghua Miao , Sami Haddadin , Alois Knoll

Behavioral cloning is an imitation learning technique that teaches an agent how to behave through expert demonstrations. Recent approaches use self-supervision of fully-observable unlabeled snapshots of the states to decode state-pairs into…

Machine Learning · Computer Science 2020-08-14 Nathan Gavenski , Juarez Monteiro , Roger Granada , Felipe Meneguzzi , Rodrigo C. Barros

In recent years, foundational models have revolutionized the fields of language and vision, demonstrating remarkable abilities in understanding and generating complex data; however, similar advances in user behavior modeling have been…

Information Retrieval · Computer Science 2025-05-26 Jiahui Gong , Jingtao Ding , Fanjin Meng , Chen Yang , Hong Chen , Zuojian Wang , Haisheng Lu , Yong Li

Imitation learning is the task of replicating expert policy from demonstrations, without access to a reward function. This task becomes particularly challenging when the expert exhibits a mixture of behaviors. Prior work has introduced…

Machine Learning · Computer Science 2022-05-10 Arash Vahabpour , Tianyi Wang , Qiujing Lu , Omead Pooladzandi , Vwani Roychowdhury

Predicting pedestrian behavior is a crucial task for intelligent driving systems. Accurate predictions require a deep understanding of various contextual elements that potentially impact the way pedestrians behave. To address this…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Amir Rasouli , Iuliia Kotseruba

Social behavior is crucial for survival in many animal species, and a heavily investigated research subject. Current analysis methods generally rely on measuring animal interaction time or annotating predefined behaviors. However, these…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Giuseppe Chindemi , Benoit Girard , Camilla Bellone