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Approximate $k$-nearest neighbor search (A$k$-NNS) is a core operation in vector databases, underpinning applications such as retrieval-augmented generation (RAG) and image retrieval. In these scenarios, users often prefer diverse result…

数据库 · 计算机科学 2025-11-03 Jiachen Zhao , Xiao Yan , Eric Lo

Recently, neural architecture search (NAS) has been exploited to design feature pyramid networks (FPNs) and achieved promising results for visual object detection. Encouraged by the success, we propose a novel One-Shot Path Aggregation…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Tingting Liang , Yongtao Wang , Zhi Tang , Guosheng Hu , Haibin Ling

Similarity join--a widely used operation in data science--finds all pairs of items that have distance smaller than a threshold. Prior work has explored distributed computation methods to scale similarity join to large data volumes but these…

数据库 · 计算机科学 2025-10-13 Yanqi Chen , Xiao Yan , Alexandra Meliou , Eric Lo

Advances in embedding models for text, image, audio, and video drive progress across multiple domains, including retrieval-augmented generation, recommendation systems, and others. Many of these applications require an efficient method to…

数据库 · 计算机科学 2026-04-02 Patrick Iff , Paul Bruegger , Marcin Chrapek , David Kochergin , Maciej Besta , Torsten Hoefler

The increased availability and usage of modern medical imaging induced a strong need for automatic medical image segmentation. Still, current image segmentation platforms do not provide the required functionalities for plain setup of…

图像与视频处理 · 电气工程与系统科学 2022-04-14 Dominik Müller , Frank Kramer

Traditional retrieval methods have been essential for assessing document similarity but struggle with capturing semantic nuances. Despite advancements in latent semantic analysis (LSA) and deep learning, achieving comprehensive semantic…

信息检索 · 计算机科学 2024-09-27 Solmaz Seyed Monir , Irene Lau , Shubing Yang , Dongfang Zhao

Approximate nearest neighbor (ANN) search is a widely applied technique in modern intelligent applications, such as recommendation systems and vector databases. Therefore, efficient and high-throughput execution of ANN search has become…

分布式、并行与集群计算 · 计算机科学 2023-12-05 Zihan Liu , Wentao Ni , Jingwen Leng , Yu Feng , Cong Guo , Quan Chen , Chao Li , Minyi Guo , Yuhao Zhu

Feature preprocessing, which transforms raw input features into numerical representations, is a crucial step in automated machine learning (AutoML) systems. However, the existing systems often have a very small search space for feature…

机器学习 · 计算机科学 2023-03-01 Diego Martinez , Daochen Zha , Qiaoyu Tan , Xia Hu

We propose a new unsupervised anomaly detection method based on the sliced-Wasserstein distance for training data selection in machine learning approaches. Our filtering technique is interesting for decision-making pipelines deploying…

机器学习 · 计算机科学 2025-04-18 Julien Pallage , Antoine Lesage-Landry

This paper presents SubPipe, an underwater dataset for SLAM, object detection, and image segmentation. SubPipe has been recorded using a \gls{LAUV}, operated by OceanScan MST, and carrying a sensor suite including two cameras, a side-scan…

Online content analysis employs algorithmic methods to identify entities in unstructured text. Both machine learning and knowledge-base approaches lie at the foundation of contemporary named entities extraction systems. However, the…

计算与语言 · 计算机科学 2013-01-15 Rami Al-Rfou' , Steven Skiena

Event-based cameras display great potential for a variety of tasks such as high-speed motion detection and navigation in low-light environments where conventional frame-based cameras suffer critically. This is attributed to their high…

神经与进化计算 · 计算机科学 2020-09-16 Chankyu Lee , Adarsh Kumar Kosta , Alex Zihao Zhu , Kenneth Chaney , Kostas Daniilidis , Kaushik Roy

Calculating true volatility is an essential task for option pricing and risk management. However, it is made difficult by market microstructure noise. Particle filtering has been proposed to solve this problem as it favorable statistical…

统计金融 · 定量金融 2023-11-14 Robert Stok , Paul Bilokon

When dealing with node or link failures in Software Defined Networking (SDN), the network capability to establish an alternative path depends on controller reachability and on the round trip times (RTTs) between controller and involved…

网络与互联网体系结构 · 计算机科学 2015-12-04 Carmelo Cascone , Luca Pollini , Davide Sanvito , Antonio Capone , Brunilde Sansò

Despite offering high sensitivity, a high signal-to-noise ratio, and a broad spectral range, single-pixel imaging (SPI) is limited by low measurement efficiency and long data-acquisition times. To address this, we propose a…

Approximate Nearest Neighbor Search (ANNS) is now widely used in various applications, ranging from information retrieval, question answering, and recommendation, to search for similar high-dimensional vectors. As the amount of vector data…

信息检索 · 计算机科学 2024-10-21 Yuming Xu , Hengyu Liang , Jin Li , Shuotao Xu , Qi Chen , Qianxi Zhang , Cheng Li , Ziyue Yang , Fan Yang , Yuqing Yang , Peng Cheng , Mao Yang

Identifying trendline visualizations with desired patterns is a common and fundamental data exploration task. Existing visual analytics tools offer limited flexibility and expressiveness for such tasks, especially when the pattern of…

数据库 · 计算机科学 2020-01-31 Tarique Siddiqui , Zesheng Wang , Paul Luh , Karrie Karahalios , Aditya Parameswaran

We describe SPINN (Straightforward Pulsar Identification using Neural Networks), a high-performance machine learning solution developed to process increasingly large data outputs from pulsar surveys. SPINN has been cross-validated on…

天体物理仪器与方法 · 物理学 2014-08-07 V. Morello , E. D. Barr , M. Bailes , C. M. Flynn , E. F. Keane , W. van Straten

Graph-based approaches to nearest neighbor search are popular and powerful tools for handling large datasets in practice, but they have limited theoretical guarantees. We study the worst-case performance of recent graph-based approximate…

数据结构与算法 · 计算机科学 2023-10-31 Piotr Indyk , Haike Xu

Accurate segmentation of ultrasound images is essential for reliable medical diagnoses but is challenged by poor image quality and scarce labeled data. Prior approaches have relied on manually designed, complex network architectures to…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Renqi Chen , Xinzhe Zheng , Haoyang Su , Kehan Wu