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Deep learning has been widely used in radio frequency (RF) fingerprinting. Despite its excellent performance, most existing methods only consider a closed-set assumption, which cannot effectively tackle signals emitted from those unknown…

信号处理 · 电气工程与系统科学 2023-06-27 Weidong Wang , Hongshu Liao , Lu Gan

In this paper, we present UniPose, a unified cross-modality pose prior propagation method for weakly supervised 3D human pose estimation (HPE) using unannotated single-view RGB-D sequences (RGB, depth, and point cloud data). UniPose…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Jinghong Zheng , Changlong Jiang , Jiaqi Li , Haohong Kuang , Hang Xu , Tingbing Yan

Self-supervised learning approaches leverage unlabeled samples to acquire generic knowledge about different concepts, hence allowing for annotation-efficient downstream task learning. In this paper, we propose a novel self-supervised method…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Aiham Taleb , Christoph Lippert , Tassilo Klein , Moin Nabi

This study explores the application of self-supervised learning (SSL) to the task of motion forecasting, an area that has not yet been extensively investigated despite the widespread success of SSL in computer vision and natural language…

机器人学 · 计算机科学 2023-08-22 Jie Cheng , Xiaodong Mei , Ming Liu

This paper presents a iterative optimization method, explicit shape regression, for face pose detection and localization. The regression function is learnt to find out the entire facial shape and minimize the alignment errors. A cascaded…

计算机视觉与模式识别 · 计算机科学 2017-09-12 Wenye He

As a promising non-password authentication technology, radio frequency (RF) fingerprinting can greatly improve wireless security. Recent work has shown that RF fingerprinting based on deep learning can significantly outperform conventional…

信号处理 · 电气工程与系统科学 2023-05-01 Weidong Wang , Cheng Luo , Jiancheng An , Lu Gan , Hongshu Liao , Chau Yuen

Self-supervised learning (SSL) has allowed substantial progress in Automatic Speech Recognition (ASR) performance in low-resource settings. In this context, it has been demonstrated that larger self-supervised feature extractors are crucial…

音频与语音处理 · 电气工程与系统科学 2023-03-14 Salah Zaiem , Robin Algayres , Titouan Parcollet , Slim Essid , Mirco Ravanelli

In this paper, we consider an intelligent reflecting surface (IRS)-aided single-user system where an IRS with discrete phase shifts is deployed to assist the uplink communication. A practical transmission protocol is proposed to execute…

信息论 · 计算机科学 2019-12-24 Changsheng You , Beixiong Zheng , Rui Zhang

Overcoming the visual barrier and developing "see-through vision" has been one of mankind's long-standing dreams. Unlike visible light, Radio Frequency (RF) signals penetrate opaque obstructions and reflect highly off humans. This paper…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Kevin Meng , Yu Meng

Probabilistic Face Embeddings (PFE) can improve face recognition performance in unconstrained scenarios by integrating data uncertainty into the feature representation. However, existing PFE methods tend to be over-confident in estimating…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Kai Chen , Qi Lv , Taihe Yi

Self-supervised Learning (SSL) including the mainstream contrastive learning has achieved great success in learning visual representations without data annotations. However, most of methods mainly focus on the instance level information…

计算机视觉与模式识别 · 计算机科学 2021-07-26 Mingkai Zheng , Shan You , Fei Wang , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

Conventional multi-image super-resolution (MISR) methods, such as burst and video SR, rely on sequential frames from a single camera. Consequently, they suffer from complex image degradation and severe occlusion, increasing the difficulty…

光学 · 物理学 2026-04-13 Yating Chen , Feng Huang , Xianyu Wu , Jing Wu , Ying Shen

In this paper, we introduce MVSparse, a novel and efficient framework for cooperative multi-person tracking across multiple synchronized cameras. The MVSparse system is comprised of a carefully orchestrated pipeline, combining edge…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Keivan Nalaie , Rong Zheng

Skeleton sequence representation learning has shown great advantages for action recognition due to its promising ability to model human joints and topology. However, the current methods usually require sufficient labeled data for training…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Hong Yan , Yang Liu , Yushen Wei , Zhen Li , Guanbin Li , Liang Lin

Multi-person pose estimation is a fundamental and challenging problem to many computer vision tasks. Most existing methods can be broadly categorized into two classes: top-down and bottom-up methods. Both of the two types of methods involve…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Yiming Xu , Jiaxin Li , Yiheng Peng , Yan Ding , Hua-Liang Wei

Multilayer-perceptrons (MLP) are known to struggle with learning functions of high-frequencies, and in particular cases with wide frequency bands. We present a spatially adaptive progressive encoding (SAPE) scheme for input signals of MLP…

机器学习 · 计算机科学 2021-05-31 Amir Hertz , Or Perel , Raja Giryes , Olga Sorkine-Hornung , Daniel Cohen-Or

Remote sensing scene classification has been extensively studied for its critical roles in geological survey, oil exploration, traffic management, earthquake prediction, wildfire monitoring, and intelligence monitoring. In the past, the…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Liya Wang , Alex Tien

This paper presents a lightweight network for head pose estimation (HPE) task. While previous approaches rely on convolutional neural networks, the proposed network \textit{LwPosr} uses mixture of depthwise separable convolutional (DSC) and…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Naina Dhingra

Target localization is essential for emergency dispatching situations. Maximum likelihood estimation (MLE) methods are widely used to estimate the target position based on the received signal strength measurements. However, the performance…

信号处理 · 电气工程与系统科学 2022-09-07 Halim Lee , Taewon Kang , Suhui Jeong , Jiwon Seo

In this study, we aim to explore efficient tuning methods for speech self-supervised learning. Recent studies show that self-supervised learning (SSL) can learn powerful representations for different speech tasks. However, fine-tuning…

音频与语音处理 · 电气工程与系统科学 2023-01-31 Zih-Ching Chen , Chin-Lun Fu , Chih-Ying Liu , Shang-Wen Li , Hung-yi Lee