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With the increasing prevalence of voice-activated devices and applications, keyword spotting (KWS) models enable users to interact with technology hands-free, enhancing convenience and accessibility in various contexts. Deploying KWS models…

音频与语音处理 · 电气工程与系统科学 2025-04-29 Jonathan Svirsky , Uri Shaham , Ofir Lindenbaum

We consider the problem of selecting a small subset of representative variables from a large dataset. In the computer science literature, this dimensionality reduction problem is typically formalized as Column Subset Selection (CSS).…

统计方法学 · 统计学 2025-05-20 Anav Sood , Trevor Hastie

A general adaptive approach rooted in stratified sampling (SS) is proposed for sample-based uncertainty quantification (UQ). To motivate its use in this context the space-filling, orthogonality, and projective properties of SS are compared…

统计方法学 · 统计学 2015-12-14 Michael D. Shields , Kirubel Teferra , Adam Hapij , Raymond P. Daddazio

Rollout algorithms have demonstrated excellent performance on a variety of dynamic and discrete optimization problems. Interpreted as an approximate dynamic programming algorithm, a rollout algorithm estimates the value-to-go at each…

数据结构与算法 · 计算机科学 2013-11-27 Andrew Mastin , Patrick Jaillet

In this paper, a comprehensive performance analysis of a distributed intelligent reflective surfaces (IRSs)-aided communication system is presented. First, the optimal signal-to-noise ratio (SNR), which is attainable through the direct and…

The Randomized Kaczmarz method (RK) is a stochastic iterative method for solving linear systems that has recently grown in popularity due to its speed and low memory requirement. Selectable Set Randomized Kaczmarz (SSRK) is an variant of RK…

Robustness against noise is critical for keyword spotting (KWS) in real-world environments. To improve the robustness, a speech enhancement front-end is involved. Instead of treating the speech enhancement as a separated preprocessing…

声音 · 计算机科学 2019-06-21 Yue Gu , Zhihao Du , Hui Zhang , Xueliang Zhang

Data summarization aims at utilizing a small-scale summary to represent massive datasets as a whole, which is useful for visualization and information sipped generation. However, most existing studies of hierarchical summarization only work…

数据库 · 计算机科学 2024-07-22 Yuqi Chen , Xin Huang , Bilian Chen

Soft random sampling (SRS) is a simple yet effective approach for efficient training of large-scale deep neural networks when dealing with massive data. SRS selects a subset uniformly at random with replacement from the full data set in…

机器学习 · 计算机科学 2023-11-27 Xiaodong Cui , Ashish Mittal , Songtao Lu , Wei Zhang , George Saon , Brian Kingsbury

Due to explosive growth of online video content in mobile wireless networks, in-network caching is becoming increasingly important to improve the end-user experience and reduce the Internet access cost for mobile network operators. However,…

网络与互联网体系结构 · 计算机科学 2014-04-07 Jun He , Honghai Zhang , Baohua Zhao , Sampath Rangarajan

Brain-inspired Spiking Neural Networks (SNNs) leverage sparse spikes to represent information and process them in an asynchronous event-driven manner, offering an energy-efficient paradigm for the next generation of machine intelligence.…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Wenjie Wei , Yu Liang , Ammar Belatreche , Yichen Xiao , Honglin Cao , Zhenbang Ren , Guoqing Wang , Malu Zhang , Yang Yang

Weakly-supervised semantic segmentation (WSS) ensures high-quality segmentation with limited data and excels when employed as input seed masks for large-scale vision models such as Segment Anything. However, WSS faces challenges related to…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Sanghyun Jo , Fei Pan , In-Jae Yu , Kyungsu Kim

In this report, firstly, we presents state of the art survey on Data Management and Data Dissemination techniques with Mobile Sink. Moreover we classify these techniques into two ample sub-categories. Under this classification, we identify,…

网络与互联网体系结构 · 计算机科学 2010-07-27 Mubashir Husain Rehmani , Aline Carneiro Viana

Sequential recommender systems (SRS) have become the key technology in capturing user's dynamic interests and generating high-quality recommendations. Current state-of-the-art sequential recommender models are typically based on a…

信息检索 · 计算机科学 2020-05-27 Yang Sun , Fajie Yuan , Min Yang , Guoao Wei , Zhou Zhao , Duo Liu

Self-supervised learning (SSL) has become a core technique in speech processing, but the high dimensionality of its representations makes discretization essential for improving efficiency. However, existing discretization methods still…

音频与语音处理 · 电气工程与系统科学 2025-11-11 Xueqing Li , Hao Ma , Zehan Li , Rujin Chen , Boyu Zhu , Ruihao Jing , Jian Kang , Jie Li , Chi Zhang , Xiao-Lei Zhang , Xuelong Li

We study the use of sampling for efficiently mining the top-K frequent itemsets of cardinality at most w. To this purpose, we define an approximation to the top-K frequent itemsets to be a family of itemsets which includes (resp., excludes)…

数据结构与算法 · 计算机科学 2012-04-23 Andrea Pietracaprina , Matteo Riondato , Eli Upfal , Fabio Vandin

Recently proposed adaptive Sketch & Project (SP) methods connect several well-known projection methods such as Randomized Kaczmarz (RK), Randomized Block Kaczmarz (RBK), Motzkin Relaxation (MR), Randomized Coordinate Descent (RCD), Capped…

数值分析 · 数学 2020-12-25 Md Sarowar Morshed , Sabbir Ahmad , Md Noor-E-Alam

Keyword Spotting (KWS) enables speech-based user interaction on smart devices. Always-on and battery-powered application scenarios for smart devices put constraints on hardware resources and power consumption, while also demanding high…

音频与语音处理 · 电气工程与系统科学 2020-05-05 Simon Mittermaier , Ludwig Kürzinger , Bernd Waschneck , Gerhard Rigoll

Retrieval-Augmented Generation (RAG) systems often rely on fixed top-k document selection mechanisms that ignore downstream generation quality and impose computational overheads. We propose SRAS (Sparse Reward-Aware Selector), a lightweight…

信息检索 · 计算机科学 2026-01-06 Rajiv Chaitanya Muttur

Keyword spotting (KWS) is a crucial function enabling the interaction with the many ubiquitous smart devices in our surroundings, either activating them through wake-word or directly as a human-computer interface. For many applications, KWS…