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Unlike 2D raster images, there is no single dominant representation for 3D visual data processing. Different formats like point clouds, meshes, or implicit functions each have their strengths and weaknesses. Still, grid representations such…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Mikhail Usvyatsov , Rafael Ballester-Rippoll , Lina Bashaeva , Konrad Schindler , Gonzalo Ferrer , Ivan Oseledets

Efficient methods for storing and querying are critical for scaling high-order n-gram language models to large corpora. We propose a language model based on compressed suffix trees, a representation that is highly compact and can be easily…

计算与语言 · 计算机科学 2016-08-17 Ehsan Shareghi , Matthias Petri , Gholamreza Haffari , Trevor Cohn

Robotic grasping is one of the most fundamental tasks in robotic manipulation, and grasp detection/generation has long been the subject of extensive research. Recently, language-driven grasp generation has emerged as a promising direction…

机器人学 · 计算机科学 2025-10-08 Haoran Zhang , Shuanghao Bai , Wanqi Zhou , Yuedi Zhang , Qi Zhang , Pengxiang Ding , Cheng Chi , Donglin Wang , Badong Chen

Graph convolutional network (GCN), an emerging algorithm for graph computing, has achieved promising performance in graphstructure tasks. To achieve acceleration for data-intensive and sparse graph computing, ASICs such as GCNAX have been…

Managing large-scale vector datasets with disk-resident graph approximate nearest neighbor search (ANNS) systems incurs substantial storage overhead due to the co-location of vector data and auxiliary index metadata, which prevents the…

数据库 · 计算机科学 2026-05-18 Yuanming Ren , Juncheng Zhang , Yanjing Ren , Rui Yang , Di Wu , Patrick P. C. Lee

We look at one important category of distributed applications characterized by the existence of multiple collaborating, and competing, components sharing mutable, long-lived, replicated objects. The problem addressed by our work is that of…

编程语言 · 计算机科学 2019-04-16 Rohan Achar , Cristina V. Lopes

Analyzing the geographic movement of humans, animals, and other phenomena is a growing field of research. This research has benefited urban planning, logistics, animal migration understanding, and much more. Typically, the movement is…

计算与语言 · 计算机科学 2022-02-01 Scott Pezanowski , Prasenjit Mitra

In order to track the moving objects in long range against occlusion, interruption, and background clutter, this paper proposes a unified approach for global trajectory analysis. Instead of the traditional frame-by-frame tracking, our…

计算机视觉与模式识别 · 计算机科学 2015-02-03 Liang Lin , Yongyi Lu , Yan Pan , Xiaowu Chen

Graphs can be used to represent a wide variety of data belonging to different domains. Graphs can capture the relationship among data in an efficient way, and have been widely used. In recent times, with the advent of Big Data, there has…

数据结构与算法 · 计算机科学 2018-06-06 Rushabh Jitendrakumar Shah

For interacting with mobile objects in unfamiliar environments, simultaneously locating, mapping, and tracking the 3D poses of multiple objects are crucially required. This paper proposes a Tracklet Graph and Query Graph-based framework,…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Shuo Wang , Yongcai Wang , Zhimin Xu , Yongyu Guo , Wanting Li , Zhe Huang , Xuewei Bai , Deying Li

The advances of modern localization techniques and the wide spread of mobile devices have provided us great opportunities to collect and mine human mobility trajectories. In this work, we focus on passively collected trajectories, which are…

计算几何 · 计算机科学 2022-04-22 Jiaxin Ding , Jie Gao , Steven Skiena

Establishing the correspondences between newly acquired points and historically accumulated data (i.e., map) through nearest neighbors search is crucial in numerous robotic applications. However, static tree data structures are inadequate…

机器人学 · 计算机科学 2024-03-01 Jun Zhu , Hongyi Li , Zhepeng Wang , Shengjie Wang , Tao Zhang

We introduce a dynamic data structure for the compact representation of binary relations $\mathcal{R} \subseteq A \times B$. The data structure is a dynamic variant of the k$^2$-tree, a static compact representation that takes advantage of…

数据结构与算法 · 计算机科学 2017-07-11 Nieves R. Brisaboa , Ana Cerdeira-Pena , Guillermo de Bernardo , Gonzalo Navarro

Skeleton-based gait emotion recognition has received significant attention due to its wide-ranging applications. However, existing methods primarily focus on extracting spatial and local temporal motion information, failing to capture…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Junjie Zhou , Haijun Xiong , Junhao Lu , Ziyu Lin , Bin Feng

We introduce a new trajectory optimization method for robotic grasping based on a point-cloud representation of robots and task spaces. In our method, robots are represented by 3D points on their link surfaces. The task space of a robot is…

机器人学 · 计算机科学 2024-08-09 Yu Xiang , Sai Haneesh Allu , Rohith Peddi , Tyler Summers , Vibhav Gogate

GraphRT is a graph based deep learning model that predicts the retention time (RT) of peptides in liquid chromatography tandem mass spectrometry (LC MSMS) experiments. Each amino acid is represented as a graph, capturing its atomic and…

生物大分子 · 定量生物学 2024-02-06 Mark Drvodelic , Mingming Gong , Andrew I. Webb

Retrieval-augmented language models can better adapt to changes in world state and incorporate long-tail knowledge. However, most existing methods retrieve only short contiguous chunks from a retrieval corpus, limiting holistic…

计算与语言 · 计算机科学 2024-02-01 Parth Sarthi , Salman Abdullah , Aditi Tuli , Shubh Khanna , Anna Goldie , Christopher D. Manning

Hybrid queries combining high-dimensional vector similarity search with spatio-temporal filters are increasingly critical for modern retrieval-augmented generation (RAG) systems. Existing systems typically handle these workloads by nesting…

数据库 · 计算机科学 2026-05-01 Mingyu Yang , Wentao Li , Wei Wang

Traffic forecasting is a significant part of intelligent transportation systems. One of the critical challenges of traffic forecasting is to find spatio-temporal correlations. In recent years, graph convolutional networks and graph…

人工智能 · 计算机科学 2026-05-19 Tianchi Zhang

In our recent research, we have developed a framework called GraphSnapShot, which has been proven an useful tool for graph learning acceleration. GraphSnapShot is a framework for fast cache, storage, retrieval and computation for graph…

机器学习 · 计算机科学 2025-01-14 Dong Liu , Roger Waleffe , Meng Jiang , Shivaram Venkataraman