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Dereverberation of a moving speech source in the presence of other directional interferers, is a harder problem than that of stationary source and interference cancellation. We explore joint multi channel linear prediction (MCLP) and…

音频与语音处理 · 电气工程与系统科学 2019-10-23 Srikanth Raj Chetupalli , Thippur V. Sreenivas

Diffusion-based generative models have greatly impacted the speech processing field in recent years, exhibiting high speech naturalness and spawning a new research direction. Their application in real-time communication is, however, still…

信号处理 · 电气工程与系统科学 2026-04-22 Simon Welker , Bunlong Lay , Maris Hillemann , Tal Peer , Timo Gerkmann

The challenges associated with effectively programming FPGAs have been a major blocker in popularising reconfigurable architectures for HPC workloads. However new compiler technologies, such as MLIR, are providing new capabilities which…

分布式、并行与集群计算 · 计算机科学 2023-10-04 Gabriel Rodriguez-Canal , Nick Brown , Maurice Jamieson , Emilien Bauer , Anton Lydike , Tobias Grosser

We derive a set of ptychography phase-retrieval iterative engines based on proximal algorithms originally developed in convex optimization theory, and discuss their connections with existing ones. The use of proximal operator creates a…

图像与视频处理 · 电气工程与系统科学 2020-04-22 Hanfei Yan

Interactive image segmentation(IIS) plays a critical role in generating precise annotations for remote sensing imagery, where objects often exhibit scale variations, irregular boundaries and complex backgrounds. However, existing IIS…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Deliang Wang , Peng Liu , Yan Ma , Rongkai Zhuang , Lajiao Chen , Bing Li , Yi Zeng

Reconfigurable intelligent surfaces (RISs) are envisioned as a key enabler for next-generation wireless networks, offering programmable control over propagation environments. While extensive research focuses on planar RIS architectures,…

信号处理 · 电气工程与系统科学 2026-02-16 Mohamadreza Delbari , Ehsan Mohammadi , Mostafa Darabi , Arash Asadi , Alejandro Jiménez-Sáez , Vahid Jamali

Effective incident response (IR) is critical for mitigating cyber threats, yet security teams are overwhelmed by alert fatigue, high false-positive rates, and the vast volume of unstructured Cyber Threat Intelligence (CTI) documents. While…

密码学与安全 · 计算机科学 2025-08-15 Amine Tellache , Abdelaziz Amara Korba , Amdjed Mokhtari , Horea Moldovan , Yacine Ghamri-Doudane

Two-stage pipeline is popular in speech enhancement tasks due to its superiority over traditional single-stage methods. The current two-stage approaches usually enhance the magnitude spectrum in the first stage, and further modify the…

音频与语音处理 · 电气工程与系统科学 2024-01-22 Yuewei Zhang , Huanbin Zou , Jie Zhu

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by integrating external knowledge retrieved from a knowledge base. However, its effectiveness is fundamentally constrained by the reliability of both the retriever…

计算与语言 · 计算机科学 2025-01-31 Yiteng Tu , Weihang Su , Yujia Zhou , Yiqun Liu , Qingyao Ai

When the complete source sentence is provided, Large Language Models (LLMs) perform excellently in offline machine translation even with a simple prompt "Translate the following sentence from [src lang] into [tgt lang]:". However, in many…

计算与语言 · 计算机科学 2025-05-30 Biao Fu , Minpeng Liao , Kai Fan , Chengxi Li , Liang Zhang , Yidong Chen , Xiaodong Shi

Retrieval-Augmented Generation (RAG) systems have become a dominant approach to augment large language models (LLMs) with external knowledge. However, existing vector database (VecDB) retrieval pipelines rely on flat or single-resolution…

计算与语言 · 计算机科学 2026-03-31 Dong Liu , Yanxuan Yu

A novel phase retrieval algorithm for broadband hyperspectral phase imaging from noisy intensity observations is proposed. It utilizes advantages of the Fourier Transform spectroscopy in the self-referencing optical setup and provides,…

图像与视频处理 · 电气工程与系统科学 2020-06-03 Igor Shevkunov , Vladimir Katkovnik , Karen Egiazarian

This paper presents an approach that allows the efficient integration of speech recognition and language understanding using Tomita's generalized LR-parsing algorithm. For this purpose the GLRP-algorithm is revised so that an agenda…

cmp-lg · 计算机科学 2008-02-03 Steffen Staab

As large language models (LLMs) have shown great success in many tasks, they are used in various applications. While a lot of works have focused on the efficiency of single-LLM application (e.g., offloading, request scheduling, parallelism…

分布式、并行与集群计算 · 计算机科学 2025-03-24 Jingzhi Fang , Yanyan Shen , Yue Wang , Lei Chen

Numerous tasks at the core of statistics, learning and vision areas are specific cases of ill-posed inverse problems. Recently, learning-based (e.g., deep) iterative methods have been empirically shown to be useful for these problems.…

计算机视觉与模式识别 · 计算机科学 2018-08-17 Risheng Liu , Shichao Cheng , Yi He , Xin Fan , Zhouchen Lin , Zhongxuan Luo

Diffusion MRI microstructure fitting is nonconvex and often performed voxelwise, which limits fiber peak recovery in narrow crossings. This work introduces PRISM, a differentiable analysis-by-synthesis framework that fits an explicit…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Mohamed Abouagour , Atharva Shah , Eleftherios Garyfallidis

Tractography has become an indispensable part of brain connectivity studies. However, it is currently facing problems with reliability. In particular, a substantial amount of nerve fiber reconstructions (streamlines) in tractograms produced…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Antonia Hain , Daniel Jörgens , Rodrigo Moreno

Reconfigurable intelligent surface (RIS) provides a promising way to build the programmable wireless transmission environments in the future. Owing to the large number of reflecting elements used at the RIS, joint optimization for the…

信息论 · 计算机科学 2021-01-11 Xiaoyan Ma , Shuaishuai Guo , Haixia Zhang , Yuguang Fang , Dongfeng Yuan

The projection operation is a critical component in a wide range of optimization algorithms, such as online gradient descent (OGD), for enforcing constraints and achieving optimal regret bounds. However, it suffers from computational…

机器学习 · 计算机科学 2024-06-04 Zihao Hu , Guanghui Wang , Jacob Abernethy

This paper develops an incremental learning algorithm based on quadratic inference function (QIF) to analyze streaming datasets with correlated outcomes such as longitudinal data and clustered data. We propose a renewable QIF (RenewQIF)…

统计方法学 · 统计学 2021-07-01 Lan Luo , Ling Zhou , Peter X. -K. Song
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