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Creative sketch is a universal way of visual expression, but translating images from an abstract sketch is very challenging. Traditionally, creating a deep learning model for sketch-to-image synthesis needs to overcome the distorted input…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Qiang Wang , Di Kong , Fengyin Lin , Yonggang Qi

Density-based clustering techniques are used in a wide range of data mining applications. One of their most attractive features con- sists in not making use of prior knowledge of the number of clusters that a dataset contains along with…

机器学习 · 计算机科学 2018-07-24 Roberto Pirrone , Vincenzo Cannella , Sergio Monteleone , Gabriella Giordano

We introduce a novel technique for ``lifting'' dimension lower bounds for linear sketches in the real-valued setting to dimension lower bounds for linear sketches with polynomially-bounded integer entries when the input is a…

数据结构与算法 · 计算机科学 2025-03-26 Elena Gribelyuk , Honghao Lin , David P. Woodruff , Huacheng Yu , Samson Zhou

We present a sketch-based CAD modeling system, where users create objects incrementally by sketching the desired shape edits, which our system automatically translates to CAD operations. Our approach is motivated by the close similarities…

图形学 · 计算机科学 2020-09-11 Changjian Li , Hao Pan , Adrien Bousseau , Niloy J. Mitra

How does one search for a needle in a multi-dimensional haystack without knowing what a needle is and without knowing if there is one in the haystack? This kind of problem requires a paradigm shift - away from hypothesis driven searches of…

数据分析、统计与概率 · 物理学 2013-10-21 M. Weinstein , F. Meirer , A. Hume , Ph. Sciau , G. Shaked , R. Hofstetter , E. Persi , A. Mehta , D. Horn

DBSCAN is one of the most important non-parametric unsupervised data analysis tools. By applying DBSCAN to a dataset, two key analytical results can be obtained: (1) clustering data points based on density distribution and (2) identifying…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Yongyu Wang

Discrete dislocation dynamics (DDD) is a widely employed computational method to study plasticity at the mesoscale that connects the motion of dislocation lines to the macroscopic response of crystalline materials. However, the…

材料科学 · 物理学 2023-05-24 Nicolas Bertin , Fei Zhou

Timeseries monitoring systems such as Prometheus play a crucial role in gaining observability of the underlying system components. These systems collect timeseries metrics from various system components and perform monitoring queries over…

数据库 · 计算机科学 2025-05-19 Zeying Zhu , Jonathan Chamberlain , Kenny Wu , David Starobinski , Zaoxing Liu

Fast detection of heavy flows (e.g., heavy hitters and heavy changers) in massive network traffic is challenging due to the stringent requirements of fast packet processing and limited resource availability. Invertible sketches are summary…

网络与互联网体系结构 · 计算机科学 2020-07-23 Lu Tang , Qun Huang , Patrick P. C. Lee

We study the dynamic connectivity problem for massive, dense graphs. Our goal is to build a system for dense graphs that simultaneously answers connectivity queries quickly, maintains a fast update throughput, and a uses a small amount of…

数据结构与算法 · 计算机科学 2025-09-19 Quinten De Man , Qamber Jafri , Daniel Delayo , Evan T. West , Michael A. Bender , David Tench

Real-time state tracking of Deformable Linear Objects (DLOs) is critical for enabling robotic manipulation of DLOs in industrial assembly, medical procedures, and daily-life applications. However, the high-dimensional configuration space,…

机器人学 · 计算机科学 2025-12-11 Fan Wu , Chenguang Yang , Haibin Yang , Shuo Wang , Yanrui Xu , Xing Zhou , Meng Gao , Yaoqi Xian , Zhihong Zhu , Shifeng Huang

Diffusion models have achieved huge empirical success in data generation tasks. Recently, some efforts have been made to adapt the framework of diffusion models to discrete state space, providing a more natural approach for modeling…

机器学习 · 统计学 2024-02-15 Hongrui Chen , Lexing Ying

Understanding the nature of human sketches is challenging because of the wide variation in how they are created. Recognizing complex structural patterns improves both the accuracy in recognizing sketches and the fidelity of the generated…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Giulio Federico , Giuseppe Amato , Fabio Carrara , Claudio Gennaro , Marco Di Benedetto

Local Differential Privacy (LDP) protocols enable the collection of randomized client messages for data analysis, without the necessity of a trusted data curator. Such protocols have been successfully deployed in real-world scenarios by…

密码学与安全 · 计算机科学 2024-12-24 Bo Jiang , Wanrong Zhang , Donghang Lu , Jian Du , Qiang Yan

The rise of AR/VR has led to an increased demand for 3D content. However, the traditional method of creating 3D content using Computer-Aided Design (CAD) is a labor-intensive and skill-demanding process, making it difficult to use for…

人机交互 · 计算机科学 2023-10-30 Ying Zang , Chaotao Ding , Tianrun Chen , Papa Mao , Wenjun Hu

We propose a deep hashing framework for sketch retrieval that, for the first time, works on a multi-million scale human sketch dataset. Leveraging on this large dataset, we explore a few sketch-specific traits that were otherwise…

计算机视觉与模式识别 · 计算机科学 2018-04-05 Peng Xu , Yongye Huang , Tongtong Yuan , Kaiyue Pang , Yi-Zhe Song , Tao Xiang , Timothy M. Hospedales , Zhanyu Ma , Jun Guo

Diffusion models have recently gained unprecedented attention in the field of image synthesis due to their remarkable generative capabilities. Notwithstanding their prowess, these models often incur substantial computational costs,…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Xinyin Ma , Gongfan Fang , Xinchao Wang

The increasing use of microfluidics in industrial, biomedical, and clinical applications requires a more and more precise control of the microfluidic flows and suspended particles or cells. This leads to higher demands in three-dimensional…

流体动力学 · 物理学 2020-11-10 Massimiliano Rossi , Rune Barnkob

Generative diffusion models have achieved remarkable success in producing high-quality images. However, these models typically operate in continuous intensity spaces, diffusing independently across pixels and color channels. As a result,…

图形学 · 计算机科学 2025-05-20 Javier E. Santos , Agnese Marcato , Roman Colman , Nicholas Lubbers , Yen Ting Lin

A recently developed high-order implicit shock tracking (HOIST) framework for resolving discontinuous solutions of inviscid, steady conservation laws [41, 43] is extended to the unsteady case. Central to the framework is an optimization…

数值分析 · 数学 2022-01-26 Andrew Shi , Per-Olof Persson , Matthew Zahr