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We present a neural-network-based architecture for 3D point cloud denoising called neural projection denoising (NPD). In our previous work, we proposed a two-stage denoising algorithm, which first estimates reference planes and follows by…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Chaojing Duan , Siheng Chen , Jelena Kovacevic

Dynamic mode decomposition (DMD) is an emerging methodology that has recently attracted computational scientists working on nonintrusive reduced order modeling. One of the major strengths that DMD possesses is having ground theoretical…

数值分析 · 数学 2022-01-12 Shady E. Ahmed , Omer San , Diana A. Bistrian , Ionel M. Navon

The amount of collected information on data repositories has vastly increased with the advent of the internet. It has become increasingly complex to deal with these massive data streams due to their sheer volume and the throughput of…

信息检索 · 计算机科学 2021-05-13 Oshan Mudannayake , Nalin Ranasinghe

Spatiotemporal forecasting often relies on computationally intensive models to capture complex dynamics. Knowledge distillation (KD) has emerged as a key technique for creating lightweight student models, with recent advances like…

机器学习 · 计算机科学 2025-12-02 Wenshuo Wang , Yaomin Shen , Yingjie Tan , Yihao Chen

Future trajectories of neighboring traffic agents have a significant influence on the path planning and decision-making of autonomous vehicles. While trajectory forecasting is a well-studied field, research mainly focuses on snapshot-based…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Alexander Prutsch , David Schinagl , Horst Possegger

The work in this paper is driven by the question how to exploit the temporal cues available in videos for their accurate classification, and for human action recognition in particular? Thus far, the vision community has focused on…

计算机视觉与模式识别 · 计算机科学 2017-11-23 Ali Diba , Mohsen Fayyaz , Vivek Sharma , Amir Hossein Karami , Mohammad Mahdi Arzani , Rahman Yousefzadeh , Luc Van Gool

Diffusion models have recently emerged as the dominant approach in visual generation tasks. However, the lengthy denoising chains and the computationally intensive noise estimation networks hinder their applicability in low-latency and…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Qian Zeng , Jie Song , Yuanyu Wan , Huiqiong Wang , Mingli Song

Accurate Quality of Service (QoS) prediction is fundamental to service computing, providing essential data-driven guidance for service selection and ensuring superior user experiences. However, prevalent approaches, particularly Graph…

机器学习 · 计算机科学 2025-12-08 Guanchen Du , Jianlong Xu , Wei Wei

Spatial and temporal stream model has gained great success in video action recognition. Most existing works pay more attention to designing effective features fusion methods, which train the two-stream model in a separate way. However, it's…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Jingran Zhang , Fumin Shen , Xing Xu , Heng Tao Shen

Air quality prediction is key to mitigating health impacts and guiding decisions, yet existing models tend to focus on temporal trends while overlooking spatial generalization. We propose AQ-Net, a spatiotemporal reanalysis model for both…

机器学习 · 计算机科学 2026-04-13 Ammar Kheder , Benjamin Foreback , Lili Wang , Zhi-Song Liu , Michael Boy

Deep learning-based models are at the forefront of most driver observation benchmarks due to their remarkable accuracies but are also associated with high computational costs. This is challenging, as resources are often limited in…

计算机视觉与模式识别 · 计算机科学 2023-11-13 Calvin Tanama , Kunyu Peng , Zdravko Marinov , Rainer Stiefelhagen , Alina Roitberg

Retrievers, which form one of the most important recommendation stages, are responsible for efficiently selecting possible positive samples to the later stages under strict latency limitations. Because of this, large-scale systems always…

信息检索 · 计算机科学 2025-01-16 Xingyan Bin , Jianfei Cui , Wujie Yan , Zhichen Zhao , Xintian Han , Chongyang Yan , Feng Zhang , Xun Zhou , Qi Wu , Zuotao Liu

Newly developed HTTP-based video streaming technologies enable flexible rate-adaptation under varying channel conditions. Accurately predicting the users' Quality of Experience (QoE) for rate-adaptive HTTP video streams is thus critical to…

Score-based diffusion models represent a significant variant within the diffusion model family and have seen extensive application in the increasingly popular domain of generative tasks. Recent investigations have explored the denoising…

信号处理 · 电气工程与系统科学 2025-06-26 Hao Mo , Yaping Sun , Shumin Yao , Hao Chen , Zhiyong Chen , Xiaodong Xu , Nan Ma , Meixia Tao , Shuguang Cui

Time-to-Collision (TTC) forecasting is a critical task in collision prevention, requiring precise temporal prediction and comprehending both local and global patterns encapsulated in a video, both spatially and temporally. To address the…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Nishq Poorav Desai , Ali Etemad , Michael Greenspan

Streaming video understanding requires models not only to process temporally incoming frames, but also to anticipate user intention for realistic applications such as Augmented Reality (AR) glasses. While prior streaming benchmarks evaluate…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Daeun Lee , Subhojyoti Mukherjee , Branislav Kveton , Ryan A. Rossi , Viet Dac Lai , Seunghyun Yoon , Trung Bui , Franck Dernoncourt , Mohit Bansal

Time series visualization of streaming telemetry (i.e., charting of key metrics such as server load over time) is increasingly prevalent in modern data platforms and applications. However, many existing systems simply plot the raw data…

数据库 · 计算机科学 2017-09-20 Kexin Rong , Peter Bailis

We address the problem of capturing temporal information for video classification in 2D networks, without increasing their computational cost. Existing approaches focus on modifying the architecture of 2D networks (e.g. by including filters…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Kiyoon Kim , Shreyank N Gowda , Oisin Mac Aodha , Laura Sevilla-Lara

Online 3D reconstruction requires estimating camera pose and scene geometry under strict causal and bounded-memory constraints. Existing methods often suffer from drift, jitter, or collapse on long sequences. We trace these failures to a…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Chong Cheng , Peilin Tao , Nanjie Yao , Guanzhi Ding , Xianda Chen , Yuansen Du , Xiaoyang Guo , Wei Yin , Weiqiang Ren , Qian Zhang , Zhengqing Chen , Hao Wang

Faced with the scarcity of clean label data in real scenarios, seismic denoising methods based on supervised learning (SL) often encounter performance limitations. Specifically, when a model trained on synthetic data is directly applied to…

地球物理 · 物理学 2023-11-07 Shijun Cheng , Zhiyao Cheng , Chao Jiang , Weijian Mao , Qingchen Zhang