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Due to the growing area of ubiquitous mobile applications, indoor localization of smartphones has become an interesting research topic. Most of the current indoor localization systems rely on intensive site survey to achieve high accuracy.…

网络与互联网体系结构 · 计算机科学 2018-04-12 Jose Luis V. Carrera , Zhongliang Zhao , Torsten Braun , Haiyong Luo , Fang Zhao

Legged robots are popular candidates for missions in challenging terrains due to the wide variety of locomotion strategies they can employ. Terrain classification is a key enabling technology for autonomous legged robots, as it allows the…

机器人学 · 计算机科学 2020-11-25 Ahmadreza Ahmadi , Tønnes Nygaard , Navinda Kottege , David Howard , Nicolas Hudson

WiFi fingerprint-based indoor localization has been widely studied, but most existing approaches focus on absolute positioning and rely on dense coordinate annotations, which are costly to obtain at scale. In this paper, we study a…

信号处理 · 电气工程与系统科学 2026-05-19 Tzu-Ti Wei , Po-Cheng Chen , Yu-Chee Tseng , Jen-Jee Chen

We propose a novel GAN training scheme that can handle any level of labeling in a unified manner. Our scheme introduces a form of artificial labeling that can incorporate manually defined labels, when available, and induce an alignment…

机器学习 · 计算机科学 2021-06-21 Tomoki Watanabe , Paolo Favaro

Deep Learning has gained immense success in pushing today's artificial intelligence forward. To solve the challenge of limited labeled data in the supervised learning world, unsupervised learning has been proposed years ago while low…

分布式、并行与集群计算 · 计算机科学 2019-09-10 F. Liu , C. Liu , F. Bi

In many wireless application scenarios, acquiring labeled data can be prohibitively costly, requiring complex optimization processes or measurement campaigns. Semi-supervised learning leverages unlabeled samples to augment the available…

信息论 · 计算机科学 2024-10-08 Houssem Sifaou , Osvaldo Simeone

Despite significant advances, the performance of state-of-the-art continual learning approaches hinges on the unrealistic scenario of fully labeled data. In this paper, we tackle this challenge and propose an approach for continual…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Zhiqi Kang , Enrico Fini , Moin Nabi , Elisa Ricci , Karteek Alahari

Although deep face recognition benefits significantly from large-scale training data, a current bottleneck is the labelling cost. A feasible solution to this problem is semi-supervised learning, exploiting a small portion of labelled data…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Yuchi Liu , Hailin Shi , Hang Du , Rui Zhu , Jun Wang , Liang Zheng , Tao Mei

Speaker identification in the household scenario (e.g., for smart speakers) is typically based on only a few enrollment utterances but a much larger set of unlabeled data, suggesting semisupervised learning to improve speaker profiles. We…

声音 · 计算机科学 2022-02-22 Long Chen , Venkatesh Ravichandran , Andreas Stolcke

Sequential sensor data is generated in a wide variety of practical applications. A fundamental challenge involves learning effective classifiers for such sequential data. While deep learning has led to impressive performance gains in recent…

机器学习 · 计算机科学 2020-10-07 Nauman Ahad , Mark A. Davenport

There has been increased interest in devising learning techniques that combine unlabeled data with labeled data ? i.e. semi-supervised learning. However, to the best of our knowledge, no study has been performed across various techniques…

机器学习 · 计算机科学 2011-09-12 N. V. Chawla , Grigoris Karakoulas

Supervised learning-based methods yield robust denoising results, yet they are inherently limited by the need for large-scale clean/noisy paired datasets. The use of unsupervised denoisers, on the other hand, necessitates a more detailed…

图像与视频处理 · 电气工程与系统科学 2021-11-30 Nahyun Kim , Donggon Jang , Sunhyeok Lee , Bomi Kim , Dae-Shik Kim

The prevalence of networked sensors and actuators in many real-world systems such as smart buildings, factories, power plants, and data centers generate substantial amounts of multivariate time series data for these systems. The rich sensor…

机器学习 · 计算机科学 2019-01-17 Dan Li , Dacheng Chen , Lei Shi , Baihong Jin , Jonathan Goh , See-Kiong Ng

The recent rise of unsupervised and self-supervised learning has dramatically reduced the dependency on labeled data, providing effective image representations for transfer to downstream vision tasks. Furthermore, recent works employed…

机器学习 · 计算机科学 2021-06-14 Andrey Voynov , Stanislav Morozov , Artem Babenko

Human activity recognition (HAR) is an important research field in ubiquitous computing where the acquisition of large-scale labeled sensor data is tedious, labor-intensive and time consuming. State-of-the-art unsupervised remedies…

机器学习 · 计算机科学 2021-10-13 Alireza Abedin , Hamid Rezatofighi , Damith C. Ranasinghe

Performing recognition tasks using latent fingerprint samples is often challenging for automated identification systems due to poor quality, distortion, and partially missing information from the input samples. We propose a direct latent…

计算机视觉与模式识别 · 计算机科学 2018-08-02 Ali Dabouei , Sobhan Soleymani , Hadi Kazemi , Seyed Mehdi Iranmanesh , Jeremy Dawson , Nasser M. Nasrabadi

Semi-supervised learning methods based on generative adversarial networks (GANs) obtained strong empirical results, but it is not clear 1) how the discriminator benefits from joint training with a generator, and 2) why good semi-supervised…

机器学习 · 计算机科学 2017-11-06 Zihang Dai , Zhilin Yang , Fan Yang , William W. Cohen , Ruslan Salakhutdinov

The demand for device-free indoor localization using commercial Wi-Fi devices has rapidly increased in various fields due to its convenience and versatile applications. However, random frequency offset (RFO) in wireless channels poses…

信号处理 · 电气工程与系统科学 2023-04-14 Wen Liu , An-Hung Hsiao , Li-Hsiang Shen , Kai-Ten Feng

Deep neural networks (DNNs) are extensively employed in a wide range of application scenarios. Generally, training a commercially viable neural network requires significant amounts of data and computing resources, and it is easy for…

密码学与安全 · 计算机科学 2023-12-27 Huali Ren , Anli Yan , Xiaojun Ren , Pei-Gen Ye , Chong-zhi Gao , Zhili Zhou , Jin Li

Transductive graph-based semi-supervised learning methods usually build an undirected graph utilizing both labeled and unlabeled samples as vertices. Those methods propagate label information of labeled samples to neighbors through their…

机器学习 · 计算机科学 2013-12-25 Fengqi Li , Chuang Yu , Nanhai Yang , Feng Xia , Guangming Li , Fatemeh Kaveh-Yazdy