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Exploring contextual information in the local region is important for shape understanding and analysis. Existing studies often employ hand-crafted or explicit ways to encode contextual information of local regions. However, it is hard to…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Xinhai Liu , Zhizhong Han , Yu-Shen Liu , Matthias Zwicker

Active screening is a common approach in controlling the spread of recurring infectious diseases such as tuberculosis and influenza. In this approach, health workers periodically select a subset of population for screening. However, given…

Machine Learning · Computer Science 2021-04-20 Han-Ching Ou , Haipeng Chen , Shahin Jabbari , Milind Tambe

This paper introduces a novel self-supervised learning framework for enhancing 3D perception in autonomous driving scenes. Specifically, our approach, namely NCLR, focuses on 2D-3D neural calibration, a novel pretext task that estimates the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Yifan Zhang , Junhui Hou , Siyu Ren , Jinjian Wu , Yixuan Yuan , Guangming Shi

To enhance the perception and reasoning capabilities of multimodal large language models in complex visual scenes, recent research has introduced agent-based workflows. In these works, MLLMs autonomously utilize image cropping tool to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Xuanpu Zhao , Zhentao Tan , Dianmo Sheng , Tianxiang Chen , Yao Liu , Yue Wu , Tao Gong , Qi Chu , Nenghai Yu

The integration of deep learning to reinforcement learning (RL) has enabled RL to perform efficiently in high-dimensional environments. Deep RL methods have been applied to solve many complex real-world problems in recent years. However,…

Machine Learning · Computer Science 2021-02-24 Ngoc Duy Nguyen , Thanh Thi Nguyen , Hai Nguyen , Doug Creighton , Saeid Nahavandi

Reinforcement learning (RL), particularly its combination with deep neural networks referred to as deep RL (DRL), has shown tremendous promise across a wide range of applications, suggesting its potential for enabling the development of…

Robotics · Computer Science 2024-09-17 Chen Tang , Ben Abbatematteo , Jiaheng Hu , Rohan Chandra , Roberto Martín-Martín , Peter Stone

An accurate and rapid-response perception system is fundamental for autonomous vehicles to operate safely. 3D object detection methods handle point clouds given by LiDAR sensors to provide accurate depth and position information for each…

Robotics · Computer Science 2020-08-04 Guidong Yang , Simone Mentasti , Mattia Bersani , Yafei Wang , Francesco Braghin , Federico Cheli

Exploration strategy design is one of the challenging problems in reinforcement learning~(RL), especially when the environment contains a large state space or sparse rewards. During exploration, the agent tries to discover novel areas or…

Machine Learning · Computer Science 2019-06-07 Xiao Ma , Shen-Yi Zhao , Wu-Jun Li

A central problem in computational biophysics is protein structure prediction, i.e., finding the optimal folding of a given amino acid sequence. This problem has been studied in a classical abstract model, the HP model, where the protein is…

Machine Learning · Computer Science 2023-03-14 Kaiyuan Yang , Houjing Huang , Olafs Vandans , Adithya Murali , Fujia Tian , Roland H. C. Yap , Liang Dai

The 3D point cloud (3DPC) has significantly evolved and benefited from the advance of deep learning (DL). However, the latter faces various issues, including the lack of data or annotated data, the existence of a significant gap between…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Shahab Saquib Sohail , Yassine Himeur , Hamza Kheddar , Abbes Amira , Fodil Fadli , Shadi Atalla , Abigail Copiaco , Wathiq Mansoor

Three-dimensional object recognition has recently achieved great progress thanks to the development of effective point cloud-based learning frameworks, such as PointNet and its extensions. However, existing methods rely heavily on fully…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Weikai Chen , Xiaoguang Han , Guanbin Li , Chao Chen , Jun Xing , Yajie Zhao , Hao Li

Packet classification is a fundamental problem in computer networking. This problem exposes a hard tradeoff between the computation and state complexity, which makes it particularly challenging. To navigate this tradeoff, existing solutions…

Networking and Internet Architecture · Computer Science 2019-02-28 Eric Liang , Hang Zhu , Xin Jin , Ion Stoica

Balancing exploration and exploitation remains a key challenge in reinforcement learning (RL). State-of-the-art RL algorithms suffer from high sample complexity, particularly in the sparse reward case, where they can do no better than to…

Machine Learning · Computer Science 2020-01-22 Philippe Morere , Gilad Francis , Tom Blau , Fabio Ramos

Real-time multi-view 3D reconstruction is a mission-critical application for key edge-native use cases, such as fire rescue, where timely and accurate 3D scene modeling enables situational awareness and informed decision-making. However,…

Machine Learning · Computer Science 2025-10-13 Motahare Mounesan , Sourya Saha , Houchao Gan , Md. Nurul Absur , Saptarshi Debroy

Hierarchical Reinforcement Learning (HRL) enhances the scalability of decision-making in long-horizon tasks by introducing temporal abstraction through options-policies that span multiple timesteps. Despite its theoretical appeal, the…

Machine Learning · Computer Science 2025-10-30 Hemanath Arumugam , Falong Fan , Bo Liu

The increasing demand for autonomous systems in complex and dynamic environments has driven significant research into intelligent path planning methodologies. For decades, graph-based search algorithms, linear programming techniques, and…

Deep reinforcement learning (DRL) agents are trained through trial-and-error interactions with the environment. This leads to a long training time for dense neural networks to achieve good performance. Hence, prohibitive computation and…

Machine Learning · Computer Science 2022-05-09 Ghada Sokar , Elena Mocanu , Decebal Constantin Mocanu , Mykola Pechenizkiy , Peter Stone

In this paper, a proactive dynamic spectrum sharing scheme between 4G and 5G systems is proposed. In particular, a controller decides on the resource split between NR and LTE every subframe while accounting for future network states such as…

Networking and Internet Architecture · Computer Science 2021-02-23 Ursula Challita , David Sandberg

Part mobility analysis is a significant aspect required to achieve a functional understanding of 3D objects. It would be natural to obtain part mobility from the continuous part motion of 3D objects. In this study, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Yahao Shi , Xinyu Cao , Bin Zhou

Point cloud processing and 3D shape understanding are very challenging tasks for which deep learning techniques have demonstrated great potentials. Still further progresses are essential to allow artificial intelligent agents to interact…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Antonio Alliegro , Davide Boscaini , Tatiana Tommasi
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