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The speed-precision trade-off is a critical problem for visual object tracking which usually requires low latency and deployment on constrained resources. Existing solutions for efficient tracking mainly focus on adopting light-weight…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Jiawen Zhu , Xin Chen , Haiwen Diao , Shuai Li , Jun-Yan He , Chenyang Li , Bin Luo , Dong Wang , Huchuan Lu

Compression algorithms reduce the redundancy in data representation to decrease the storage required for that data. Data compression offers an attractive approach to reducing communication costs by using available bandwidth effectively.…

Performance · Computer Science 2007-05-23 B. S. Shajeemohan , Dr. V. K. Govindan

Efficient traffic management is crucial for maintaining urban mobility, especially in densely populated areas where congestion, accidents, and delays can lead to frustrating and expensive commutes. However, existing prediction methods face…

Machine Learning · Computer Science 2023-05-25 Xuhong Wang , Ding Wang , Liang Chen , Yilun Lin

Voxels are a geometric representation used for rendering volumes, multi-resolution models, and indirect lighting effects. Since the memory consumption of uncompressed voxel volumes scales cubically with resolution, past works have…

Graphics · Computer Science 2024-10-21 Russel Arbore , Jeffrey Liu , Aidan Wefel , Steven Gao , Eric Shaffer

In this paper, we present a compressed data structure for moving object trajectories in a road network, which are represented as sequences of road edges. Unlike existing compression methods for trajectories in a network, our method supports…

Data Structures and Algorithms · Computer Science 2017-10-02 Satoshi Koide , Yukihiro Tadokoro , Chuan Xiao , Yoshiharu Ishikawa

Location data becomes more and more important. In this paper, we focus on the trajectory data, and propose a new framework, namely PRESS (Paralleled Road-Network-Based Trajectory Compression), to effectively compress trajectory data under…

Databases · Computer Science 2014-02-10 Renchu Song , Weiwei Sun , Baihua Zheng , Yu Zheng

We present a new multiscale algorithm for solving regularized Optimal Transport problems on the GPU, with a linear memory footprint. Relying on Sinkhorn divergences which are convex, smooth and positive definite loss functions, this method…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Jean Feydy , Pierre Roussillon , Alain Trouvé , Pietro Gori

We present TANGO (Tensor ANd Graph Optimization), a novel motion planning framework that integrates tensor-based compression with structured graph optimization to enable efficient and scalable trajectory generation. While optimization-based…

Robotics · Computer Science 2026-03-13 Gerhard Reinerth , Riddhiman Laha , Marcello Romano

Recent Transformer-based visual tracking models have showcased superior performance. Nevertheless, prior works have been resource-intensive, requiring prolonged GPU training hours and incurring high GFLOPs during inference due to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Qingmao Wei , Guotian Zeng , Bi Zeng

Communication efficiency is a widely recognised research problem in Federated Learning (FL), with recent work focused on developing techniques for efficient compression, distribution and aggregation of model parameters between clients and…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-10 Chamath Palihawadana , Nirmalie Wiratunga , Anjana Wijekoon , Harsha Kalutarage

This paper presents DDTracking, a novel deep generative framework for diffusion MRI tractography that formulates streamline propagation as a conditional denoising diffusion process. In DDTracking, we introduce a dual-pathway encoding…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Yijie Li , Wei Zhang , Xi Zhu , Ye Wu , Yogesh Rathi , Lauren J. O'Donnell , Fan Zhang

We present a novel transformer-based architecture for global multi-object tracking. Our network takes a short sequence of frames as input and produces global trajectories for all objects. The core component is a global tracking transformer…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Xingyi Zhou , Tianwei Yin , Vladlen Koltun , Philipp Krähenbühl

Data lakes, increasingly adopted for their ability to store and analyze diverse types of data, commonly use columnar storage formats like Parquet and ORC for handling relational tables. However, these traditional setups fall short when it…

Databases · Computer Science 2024-09-26 Xue Li , Weibin Zeng , Zhibin Wang , Diwen Zhu , Jingbo Xu , Wenyuan Yu , Jingren Zhou

Visual tokenizers map high-dimensional raw pixels into a compressed representation for downstream modeling. Beyond compression, tokenizers dictate what information is preserved and how it is organized. A de facto standard approach to video…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Andrei Atanov , Jesse Allardice , Roman Bachmann , Oğuzhan Fatih Kar , R Devon Hjelm , David Griffiths , Peter Fu , Afshin Dehghan , Amir Zamir

White Matter Tract Segmentation is imperative for studying brain structural connectivity, neurological disorders and neurosurgery. This task remains complex, as tracts differ among themselves, across subjects and conditions, yet have…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Anoushkrit Goel , Simroop Singh , Ankita Joshi , Ranjeet Ranjan Jha , Chirag Ahuja , Aditya Nigam , Arnav Bhavsar

Tokenization in video models, typically through patchification, generates an excessive and redundant number of tokens. This severely limits video efficiency and scalability. While recent trajectory-based tokenizers offer a promising…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Chenhao Zheng , Jieyu Zhang , Jianing Zhang , Weikai Huang , Ashutosh Kumar , Quan Kong , Oncel Tuzel , Chun-Liang Li , Ranjay Krishna

Stable Diffusion has achieved remarkable success in the field of text-to-image generation, with its powerful generative capabilities and diverse generation results making a lasting impact. However, its iterative denoising introduces high…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Evelyn Zhang , Bang Xiao , Jiayi Tang , Qianli Ma , Chang Zou , Xuefei Ning , Xuming Hu , Linfeng Zhang

We present a systematic evaluation of JPEG2000 (ISO/IEC 15444) as a transport data format to enable rapid remote searches for fast transient events as part of the Deeper Wider Faster program (DWF). DWF uses ~20 telescopes from radio to…

Instrumentation and Methods for Astrophysics · Physics 2017-09-13 Dany Vohl , Tyler Pritchard , Igor Andreoni , Jeffrey Cooke , Bernard Meade

In the landscape of spatio-temporal data analytics, effective trajectory representation learning is paramount. To bridge the gap of learning accurate representations with efficient and flexible mechanisms, we introduce Efflex, a…

Machine Learning · Computer Science 2024-04-22 Ming Cheng , Ziyi Zhou , Bowen Zhang , Ziyu Wang , Jiaqi Gan , Ziang Ren , Weiqi Feng , Yi Lyu , Hefan Zhang , Xingjian Diao

In this paper, we propose a novel structural correlation filter combined with a multi-task Gaussian particle filter (KCF-GPF) model for robust visual tracking. We first present an assemble structure where several KCF trackers as weak…

Computer Vision and Pattern Recognition · Computer Science 2018-03-18 Manna Dai , Shuying Cheng , Xiangjian He , Dadong Wang