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The task of video prediction and generation is known to be notoriously difficult, with the research in this area largely limited to short-term predictions. Though plagued with noise and stochasticity, videos consist of features that are…

机器学习 · 计算机科学 2023-01-10 Alexey Zakharov , Qinghai Guo , Zafeirios Fountas

Next place prediction algorithms are invaluable tools, capable of increasing the efficiency of a wide variety of tasks, ranging from reducing the spreading of diseases to better resource management in areas such as urban planning. In this…

物理与社会 · 物理学 2017-07-05 Edin Lind Ikanovic , Anders Mollgaard

Long-tailed classification poses a challenge due to its heavy imbalance in class probabilities and tail-sensitivity risks with asymmetric misprediction costs. Recent attempts have used re-balancing loss and ensemble methods, but they are…

机器学习 · 计算机科学 2023-03-22 Bolian Li , Ruqi Zhang

Vision-language-action (VLA) models have shown remarkable capabilities in robotic manipulation, but their performance is sensitive to the $\textbf{action chunk length}$ used during training, termed $\textbf{horizon}$. Our empirical study…

机器人学 · 计算机科学 2025-11-25 Dong Jing , Gang Wang , Jiaqi Liu , Weiliang Tang , Zelong Sun , Yunchao Yao , Zhenyu Wei , Yunhui Liu , Zhiwu Lu , Mingyu Ding

In this letter, we propose an efficient and highly versatile loco-manipulation planning for humanoid robots. Loco-manipulation planning is a key technological brick enabling humanoid robots to autonomously perform object transportation by…

机器人学 · 计算机科学 2025-05-30 Masaki Murooka , Iori Kumagai , Mitsuharu Morisawa , Fumio Kanehiro , Abderrahmane Kheddar

This paper presents a new loss function for the prediction of oriented bounding boxes, named head-tail-loss. The loss function consists in minimizing the distance between the prediction and the annotation of two key points that are…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Pau Gallés , Xi Chen

In this paper, we propose a novel pipeline that leverages language foundation models for temporal sequential pattern mining, such as for human mobility forecasting tasks. For example, in the task of predicting Place-of-Interest (POI)…

机器学习 · 计算机科学 2022-09-16 Hao Xue , Bhanu Prakash Voutharoja , Flora D. Salim

The theme of human mobility is transversal to multiple fields of study and applications, from ad-hoc networks to smart cities, from transportation planning to recommendation systems on social networks. Despite the considerable efforts made…

数据库 · 计算机科学 2020-10-21 Maria Luisa Damiani , Fatima Hachem , Christian Quadri , Matteo Rossini , Sabrina Gaito

Motion prediction for intelligent vehicles typically focuses on estimating the most probable future evolutions of a traffic scenario. Estimating the gap acceptance, i.e., whether a vehicle merges or crosses before another vehicle with the…

机器人学 · 计算机科学 2024-09-18 Max Bastian Mertens , Jona Ruof , Jan Strohbeck , Michael Buchholz

Predicting the locations an individual will visit in the future is crucial for solving many societal issues like disease diffusion and reduction of pollution. However, next-location predictors require a significant amount of…

计算机与社会 · 计算机科学 2024-08-26 Ciro Beneduce , Bruno Lepri , Massimiliano Luca

Uncertainty quantification is essential in human-machine collaboration, as human agents tend to adjust their decisions based on the confidence of the machine counterpart. Reliably calibrated model uncertainties, hence, enable more effective…

机器学习 · 计算机科学 2025-09-30 Teodor Chiaburu , Vipin Singh , Frank Haußer , Felix Bießmann

Individual mobility prediction plays a key role in urban transport, enabling personalized service recommendations and effective travel management. It is widely modeled by data-driven methods such as machine learning, deep learning, as well…

计算与语言 · 计算机科学 2026-03-03 Zhenlin Qin , Leizhen Wang , Yancheng Ling , Francisco Camara Pereira , Zhenliang Ma

Motion prediction of surrounding vehicles is one of the most important tasks handled by a self-driving vehicle, and represents a critical step in the autonomous system necessary to ensure safety for all the involved traffic actors. Recently…

机器人学 · 计算机科学 2020-06-16 Sai Yalamanchi , Tzu-Kuo Huang , Galen Clark Haynes , Nemanja Djuric

Machine-type communication (MTC) has been extensively studied to provide connectivity for devices and sensors in the Internet-of-Thing (IoT). Thanks to the sparse activity, random access, e.g., ALOHA, is employed for MTC to lower signaling…

信息论 · 计算机科学 2020-08-18 Jinho Choi

Human Motion Prediction (HMP) aims to predict future poses at different moments according to past motion sequences. Previous approaches have treated the prediction of various moments equally, resulting in two main limitations: the learning…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Jianwei Tang , Jiangxin Sun , Xiaotong Lin , Lifang Zhang , Wei-Shi Zheng , Jian-Fang Hu

Conditional imitation learning (CIL) trains deep neural networks, in an end-to-end manner, to mimic human driving. This approach has demonstrated suitable vehicle control when following roads, avoiding obstacles, or taking specific turns at…

机器人学 · 计算机科学 2022-11-22 Hesham M. Eraqi , Mohamed N. Moustafa , Jens Honer

The well-known Late Acceptance Hill Climbing (LAHC) search aims to overcome the main downside of traditional Hill Climbing (HC) search, which is often quickly trapped in a local optimum due to strictly accepting only non-worsening moves…

人工智能 · 计算机科学 2018-12-11 Majid Namazi , Conrad Sanderson , M. A. Hakim Newton , M. M. A. Polash , Abdul Sattar

To address the problem of long-tail distribution for the large vocabulary object detection task, existing methods usually divide the whole categories into several groups and treat each group with different strategies. These methods bring…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Tong Wang , Yousong Zhu , Chaoyang Zhao , Wei Zeng , Jinqiao Wang , Ming Tang

This paper develops LongNav-R1, an end-to-end multi-turn reinforcement learning (RL) framework designed to optimize Visual-Language-Action (VLA) models for long-horizon navigation. Unlike existing single-turn paradigm, LongNav-R1…

机器人学 · 计算机科学 2026-02-16 Yue Hu , Avery Xi , Qixin Xiao , Seth Isaacson , Henry X. Liu , Ram Vasudevan , Maani Ghaffari

Lifelong learning (LL) aims to continuously acquire new knowledge while retaining previously learned knowledge. A central challenge in LL is the stability-plasticity dilemma, which requires models to balance the preservation of previous…

机器学习 · 计算机科学 2025-03-11 Ruiyu Wang , Sen Wang , Xinxin Zuo , Qiang Sun
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