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Continual learning (CL) aims to learn a sequence of tasks without forgetting the previously acquired knowledge. However, recent CL advances are restricted to supervised continual learning (SCL) scenarios. Consequently, they are not scalable…

机器学习 · 计算机科学 2022-04-06 Divyam Madaan , Jaehong Yoon , Yuanchun Li , Yunxin Liu , Sung Ju Hwang

Recent advances in text-to-image generative models provide the ability to generate high-quality images from short text descriptions. These foundation models, when pre-trained on billion-scale datasets, are effective for various downstream…

机器学习 · 计算机科学 2023-07-06 Eric Lei , Yiğit Berkay Uslu , Hamed Hassani , Shirin Saeedi Bidokhti

Compressive learning is an emerging approach to drastically reduce the memory footprint of large-scale learning, by first summarizing a large dataset into a low-dimensional sketch vector, and then decoding from this sketch the latent…

机器学习 · 计算机科学 2024-06-18 Ayoub Belhadji , Rémi Gribonval

Kernel methods are fundamental tools in machine learning that allow detection of non-linear dependencies between data without explicitly constructing feature vectors in high dimensional spaces. A major disadvantage of kernel methods is…

数据结构与算法 · 计算机科学 2020-12-23 Thomas D. Ahle , Michael Kapralov , Jakob B. T. Knudsen , Rasmus Pagh , Ameya Velingker , David Woodruff , Amir Zandieh

Recent advancements in large vision-language models have enabled highly expressive and diverse vector sketch generation. However, state-of-the-art methods rely on a time-consuming optimization process involving repeated feedback from a…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Ellie Arar , Yarden Frenkel , Daniel Cohen-Or , Ariel Shamir , Yael Vinker

Large-scale collection of contextual information is often essential in order to gather statistics, train machine learning models, and extract knowledge from data. The ability to do so in a {\em privacy-preserving} way -- i.e., without…

密码学与安全 · 计算机科学 2016-01-07 Luca Melis , George Danezis , Emiliano De Cristofaro

Sketch-based monitoring in SDN often suffers from tightly coupled pipeline and memory constraints, limiting algorithmic flexibility and reducing accuracy. We propose PSketch, the first in-kernel priority-aware sketching framework…

新兴技术 · 计算机科学 2025-09-10 Yuanjun Dai , Qingzhe Guo , Xiangren Wang

To ensure the performance of online service systems, their status is closely monitored with various software and system metrics. Performance anomalies represent the performance degradation issues (e.g., slow response) of the service…

软件工程 · 计算机科学 2022-05-10 Zhuangbin Chen , Jinyang Liu , Yuxin Su , Hongyu Zhang , Xiao Ling , Yongqiang Yang , Michael R. Lyu

With the increasing rate of data generated by critical systems, estimating functions on streaming data has become essential. This demand has driven numerous advancements in algorithms designed to efficiently query and analyze one or more…

数据库 · 计算机科学 2024-05-16 Mike Heddes , Igor Nunes , Tony Givargis , Alex Nicolau

Kernel methods are learning algorithms that enjoy solid theoretical foundations while suffering from important computational limitations. Sketching, which consists in looking for solutions among a subspace of reduced dimension, is a well…

机器学习 · 统计学 2023-11-07 Tamim El Ahmad , Pierre Laforgue , Florence d'Alché-Buc

While foundation models have revolutionised computer vision, their effectiveness for sketch understanding remains limited by the unique challenges of abstract, sparse visual inputs. Through systematic analysis, we uncover two fundamental…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Subhadeep Koley , Tapas Kumar Dutta , Aneeshan Sain , Pinaki Nath Chowdhury , Ayan Kumar Bhunia , Yi-Zhe Song

Analysts and scientists are interested in querying streams of video, audio, and text to extract quantitative insights. For example, an urban planner may wish to measure congestion by querying the live feed from a traffic camera. Prior work…

数据库 · 计算机科学 2023-08-21 Matthew Russo , Tatsunori Hashimoto , Daniel Kang , Yi Sun , Matei Zaharia

Sketch-based modeling strives to bring the ease and immediacy of drawing to the 3D world. However, while drawings are easy for humans to create, they are very challenging for computers to interpret due to their sparsity and ambiguity. We…

图形学 · 计算机科学 2018-06-20 Johanna Delanoy , Mathieu Aubry , Phillip Isola , Alexei A. Efros , Adrien Bousseau

We propose a novel randomized framework for the estimation problem of large-scale linear statistical models, namely Sequential Least-Squares Estimators with Fast Randomized Sketching (SLSE-FRS), which integrates Sketch-and-Solve and…

机器学习 · 统计学 2025-09-09 Guan-Yu Chen , Xi Yang

We propose a multi-scale multi-channel deep neural network framework that, for the first time, yields sketch recognition performance surpassing that of humans. Our superior performance is a result of explicitly embedding the unique…

计算机视觉与模式识别 · 计算机科学 2015-07-22 Qian Yu , Yongxin Yang , Yi-Zhe Song , Tao Xiang , Timothy Hospedales

Large Language Models (LLMs) have demonstrated remarkable proficiency in various natural language generation (NLG) tasks. Previous studies suggest that LLMs' generation process involves uncertainty. However, existing approaches to…

计算与语言 · 计算机科学 2024-09-06 Yu-Hsiang Wang , Andrew Bai , Che-Ping Tsai , Cho-Jui Hsieh

We introduce EdgeSketch, a compact graph representation for efficient analysis of massive graph streams. EdgeSketch provides unbiased estimators for key graph properties with controllable variance and supports implementing graph algorithms…

数据结构与算法 · 计算机科学 2026-02-24 Jakub Lemiesz , Dingqi Yang , Philippe Cudré-Mauroux

We study the underexplored but fundamental vision problem of machine understanding of abstract freehand scene sketches. We introduce a sketch encoder that results in semantically-aware feature space, which we evaluate by testing its…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Ahmed Bourouis , Judith Ellen Fan , Yulia Gryaditskaya

In the field of sketch generation, raster-format trained models often produce non-stroke artifacts, while vector-format trained models typically lack a holistic understanding of sketches, leading to compromised recognizability. Moreover,…

图形学 · 计算机科学 2025-11-19 Jin Zhou , Yi Zhou , Hongliang Yang , Pengfei Xu , Hui Huang

Keypoint detection, integral to modern machine perception, faces challenges in few-shot learning, particularly when source data from the same distribution as the query is unavailable. This gap is addressed by leveraging sketches, a popular…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Subhajit Maity , Ayan Kumar Bhunia , Subhadeep Koley , Pinaki Nath Chowdhury , Aneeshan Sain , Yi-Zhe Song