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Many approaches in machine learning rely on a weighted graph to encode the similarities between samples in a dataset. Entropic affinities (EAs), which are notably used in the popular Dimensionality Reduction (DR) algorithm t-SNE, are…

机器学习 · 计算机科学 2023-10-31 Hugues Van Assel , Titouan Vayer , Rémi Flamary , Nicolas Courty

Switches-based hybrid architecture has attracted much attention, especially in directional-of-arrival (DOA) sensing, due to its ability of significantly reducing the hardware cost by compressing massive multiple-input multiple-output (MIMO)…

信号处理 · 电气工程与系统科学 2025-01-14 Yifan Li , Kang Wei , Linqiong Jia , Jun Zou , Feng Shu , Yaoliang Song , Jiangzhou Wang

Supervised learning based methods for source localization, being data driven, can be adapted to different acoustic conditions via training and have been shown to be robust to adverse acoustic environments. In this paper, a convolutional…

音频与语音处理 · 电气工程与系统科学 2019-05-22 Soumitro Chakrabarty , Emanuël A. P. Habets

Cooperative spectrum sensing (CSS) is essential for improving the spectrum efficiency and reliability of cognitive radio applications. Next-generation wireless communication networks increasingly employ uniform planar arrays (UPA) due to…

信号处理 · 电气工程与系统科学 2025-04-15 Charith Dissanayake , Saman Atapattu , Prathapasinghe Dharmawansa , Jing Fu , Sumei Sun , Kandeepan Sithamparanathan

Approximating distributions over complicated manifolds, such as natural images, are conceptually attractive. The deep latent variable model, trained using variational autoencoders and generative adversarial networks, is now a key technique…

计算机视觉与模式识别 · 计算机科学 2019-10-08 Wenju Xu , Shawn Keshmiri , Guanghui Wang

A major advantage of a deep convolutional neural network (CNN) is that the focused receptive field size is increased by stacking multiple convolutional layers. Accordingly, the model can explore the long-range dependency of features from…

声音 · 计算机科学 2020-06-17 Xugang Lu , Peng Shen , Sheng Li , Yu Tsao , Hisashi Kawai

This paper considers networked sensing in cellular network, where multiple base stations (BSs) first compress their received echo signals from multiple targets and then forward the quantized signals to the central unit (CU) via…

信号处理 · 电气工程与系统科学 2024-09-09 Weifeng Zhu , Shuowen Zhang , Liang Liu

The direction of arrival (DOA) estimation algorithms are crucial in localizing acoustic sources. Traditional localization methods rely on block-level processing to extract the directional information from multiple measurements processed…

音频与语音处理 · 电气工程与系统科学 2023-08-15 Ruchi Pandey , Santosh Nannuru

Lane detection is critical for autonomous driving and ad-vanced driver assistance systems (ADAS). While recent methods like CLRNet achieve strong performance, they struggle under adverse con-ditions such as extreme weather, illumination…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Kunyang Li , Ming Hou

In contrast to traditional image restoration methods, all-in-one image restoration techniques are gaining increased attention for their ability to restore images affected by diverse and unknown corruption types and levels. However,…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Yimin Xu , Nanxi Gao , Zhongyun Shan , Fei Chao , Rongrong Ji

Accurate, high-resolution, and real-time DOA estimation is a cornerstone of environmental perception in automotive radar systems. While sparse signal recovery techniques offer super-resolution and high-precision estimation, their…

信号处理 · 电气工程与系统科学 2026-02-19 Longxin Bai , Jingchao Zhang , Liyan Qiao

We develop new efficient online algorithms for detecting transient sparse signals in TEM video sequences, by adopting the recently developed framework for sequential detection jointly with online convex optimization [1]. We cast the problem…

应用统计 · 统计学 2017-11-01 Y. Cao , S. Zhu , Y. Xie , J. Key , J. Kacher , R. R. Unocic , C. M. Rouleau

One-bit compressed sensing (1bCS) is a method of signal acquisition under extreme measurement quantization that gives important insights on the limits of signal compression and analog-to-digital conversion. The setting is also equivalent to…

信息论 · 计算机科学 2021-05-12 Larkin Flodin , Venkata Gandikota , Arya Mazumdar

Visual localization has become a key enabling component of many place recognition and SLAM systems. Contemporary research has primarily focused on improving accuracy and precision-recall type metrics, with relatively little attention paid…

计算机视觉与模式识别 · 计算机科学 2019-02-06 Huu Le , Tuan Hoang , Qianggong Zhang , Thanh-Toan Do , Anders Eriksson , Michael Milford

This proposes a novel ensemble deep learning-based model to accurately classify, detect and localize different defect categories for aggressive pitches and thin resists (High NA applications).In particular, we train RetinaNet models using…

图像与视频处理 · 电气工程与系统科学 2022-06-29 Bappaditya Deya , Dipam Goswamif , Sandip Haldera , Kasem Khalilb , Philippe Leraya , Magdy A. Bayoumi

Deploying Automatic Speech Recognition (ASR) models on memory-constrained edge devices requires aggressive low-bit weight quantization. Layer-wise post-training quantization is practical and effective, but it suffers from cross-layer error…

声音 · 计算机科学 2026-04-28 Xinyu Wang , Ziyu Zhao , Yajie Luo , Yihong Wu , Liheng Ma , Jingrui Tian , Lei Ding , Xiao-Wen Chang , Peng Lu

In this paper we address the challenging problem of multiple source localization in Wireless Sensor Networks (WSN). We develop an efficient statistical algorithm, based on the novel application of Sequential Monte Carlo (SMC) sampler…

信息论 · 计算机科学 2015-04-23 Thi Le Thu Nguyen , Francois Septier , Harizo Rajaona , Gareth W. Peters , Ido Nevat , Yves Delignon

Recently, Convolutional Neural Networks (CNNs) have been successfully adopted to solve the ill-posed single image super-resolution (SISR) problem. A commonly used strategy to boost the performance of CNN-based SISR models is deploying very…

图像与视频处理 · 电气工程与系统科学 2019-12-10 Du Chen , Zewei He , Yanpeng Cao , Jiangxin Yang , Yanlong Cao , Michael Ying Yang , Siliang Tang , Yueting Zhuang

We present an approach to learn a dense pixel-wise labeling from image-level tags. Each image-level tag imposes constraints on the output labeling of a Convolutional Neural Network (CNN) classifier. We propose Constrained CNN (CCNN), a…

计算机视觉与模式识别 · 计算机科学 2015-10-20 Deepak Pathak , Philipp Krähenbühl , Trevor Darrell

To accelerate deep CNN models, this paper proposes a novel spatially adaptive framework that can dynamically generate pixel-wise sparsity according to the input image. The sparse scheme is pixel-wise refined, regional adaptive under a…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Chen Tang , Wenyu Sun , Zhuqing Yuan , Yongpan Liu