中文
相关论文

相关论文: Robust Point Cloud Reinforcement Learning via PCA-…

200 篇论文

Consistent image generation requires faithfully preserving identities, styles, and logical coherence across multiple images, which is essential for applications such as storytelling and character design. Supervised training approaches…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Bowen Ping , Chengyou Jia , Minnan Luo , Changliang Xia , Xin Shen , Zhuohang Dang , Hangwei Qian

We propose a unified point cloud video self-supervised learning framework for object-centric and scene-centric data. Previous methods commonly conduct representation learning at the clip or frame level and cannot well capture fine-grained…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Xiaoxiao Sheng , Zhiqiang Shen , Gang Xiao , Longguang Wang , Yulan Guo , Hehe Fan

Radar perception models are trained with different inputs, from range-Doppler spectra to sparse point clouds. Dense spectra are assumed to outperform sparse point clouds, yet they can vary considerably across sensors and configurations,…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Hamza Alsharif , Jing Gu , Pavol Jancura , Satish Ravindran , Gijs Dubbelman

Robust principal component analysis (RPCA) seeks a low-rank component and a sparse component from their summation. Yet, in many applications of interest, the sparse foreground actually replaces, or occludes, elements from the low-rank…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Yinjian Wang , Wei Li , Yuanyuan Gui , James E. Fowler , Gemine Vivone

We propose CaSPR, a method to learn object-centric Canonical Spatiotemporal Point Cloud Representations of dynamically moving or evolving objects. Our goal is to enable information aggregation over time and the interrogation of object state…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Davis Rempe , Tolga Birdal , Yongheng Zhao , Zan Gojcic , Srinath Sridhar , Leonidas J. Guibas

In this paper, we address the point cloud registration problem, where well-known methods like ICP fail under uncertainty arising from sensor noise, pose-estimation errors, and partial overlap due to occlusion. We develop a novel approach,…

机器人学 · 计算机科学 2025-09-25 Johannes A. Gaus , Loris Schneider , Yitian Shi , Jongseok Lee , Rania Rayyes , Rudolph Triebel

We present a novel compact point cloud representation that is inherently invariant to scale, coordinate change and point permutation. The key idea is to parametrize a distance field around an individual shape into a unique, canonical, and…

计算机视觉与模式识别 · 计算机科学 2018-09-14 Kent Fujiwara , Ikuro Sato , Mitsuru Ambai , Yuichi Yoshida , Yoshiaki Sakakura

Predictive autoscaling (autoscaling with workload forecasting) is an important mechanism that supports autonomous adjustment of computing resources in accordance with fluctuating workload demands in the Cloud. In recent works, Reinforcement…

Point cloud recognition is an essential task in industrial robotics and autonomous driving. Recently, several point cloud processing models have achieved state-of-the-art performances. However, these methods lack rotation robustness, and…

计算机视觉与模式识别 · 计算机科学 2021-12-30 Dongrui Liu , Chuanchuan Chen , Changqing Xu , Qi Cai , Lei Chu , Fei Wen , Robert Caiming Qiu

Action-conditioned robot world models generate future video frames of the manipulated scene given a robot action sequence, offering a promising alternative for simulating tasks that are difficult to model with traditional physics engines.…

机器人学 · 计算机科学 2026-03-27 Jai Bardhan , Patrik Drozdik , Josef Sivic , Vladimir Petrik

Multimodal Prompt Learning (MPL) has emerged as a pivotal technique for adapting large-scale Visual Language Models (VLMs). However, current MPL methods are fundamentally limited by their optimization of a single, static point…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Weiran Li , Yeqiang Liu , Yijie Wei , Mina Han , Xin Liu , Zhenbo Li

Reinforcement learning (RL) in continuous state-action spaces remains challenging in scientific computing due to poor sample efficiency and lack of pathwise physical consistency. We introduce Differential Reinforcement Learning…

机器学习 · 计算机科学 2026-02-06 Minh Nguyen , Chandrajit Bajaj

Reinforcement learning (RL) policies deployed in real-world environments must remain reliable under adversarial perturbations. At the same time, modern deep RL agents are heavily over-parameterized, raising costs and fragility concerns.…

机器学习 · 计算机科学 2025-10-16 James Pedley , Benjamin Etheridge , Stephen J. Roberts , Francesco Quinzan

Point cloud classifiers with rotation robustness have been widely discussed in the 3D deep learning community. Most proposed methods either use rotation invariant descriptors as inputs or try to design rotation equivariant networks.…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Robin Wang , Yibo Yang , Dacheng Tao

Robust Principal Component Analysis (RPCA) aims at recovering a low-rank subspace from grossly corrupted high-dimensional (often visual) data and is a cornerstone in many machine learning and computer vision applications. Even though RPCA…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Niannan Xue , Yannis Panagakis , Stefanos Zafeiriou

Robust principal component analysis (RPCA) is a well-studied problem with the goal of decomposing a matrix into the sum of low-rank and sparse components. In this paper, we propose a nonconvex feasibility reformulation of RPCA problem and…

最优化与控制 · 数学 2020-01-27 Aritra Dutta , Filip Hanzely , Peter Richtárik

No-Reference Point Cloud Quality Assessment (NR-PCQA) still struggles with generalization, primarily due to the scarcity of annotated point cloud datasets. Since the Human Visual System (HVS) drives perceptual quality assessment…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Guohua Zhang , Jian Jin , Meiqin Liu , Chao Yao , Weisi Lin

Point cloud registration plays a critical role in a multitude of computer vision tasks, such as pose estimation and 3D localization. Recently, a plethora of deep learning methods were formulated that aim to tackle this problem. Most of…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Lisa Tse , Abdoul Aziz Amadou , Axen Georget , Ahmet Tuysuzoglu

Large-scale colored point clouds have many advantages in navigation or scene display. Relying on cameras and LiDARs, which are now widely used in reconstruction tasks, it is possible to obtain such colored point clouds. However, the…

机器人学 · 计算机科学 2023-02-28 Jiadi Cui , Sören Schwertfeger

The scale and quality of point cloud datasets constrain the advancement of point cloud learning. Recently, with the development of multi-modal learning, the incorporation of domain-agnostic prior knowledge from other modalities, such as…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Yanmin Wu , Qiankun Gao , Renrui Zhang , Jian Zhang