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Most existing distance metric learning approaches use fully labeled data to learn the sample similarities in an embedding space. We present a self-training framework, SLADE, to improve retrieval performance by leveraging additional…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Jiali Duan , Yen-Liang Lin , Son Tran , Larry S. Davis , C. -C. Jay Kuo

We propose a scalable method for semi-supervised (transductive) learning from massive network-structured datasets. Our approach to semi-supervised learning is based on representing the underlying hypothesis as a graph signal with small…

Machine Learning · Computer Science 2016-11-03 Alexander Jung , Alfred O. Hero , Alexandru Mara , Sabeur Aridhi

We propose a WiFi Channel State Information (CSI) sensing framework for multi-station deployments that addresses two fundamental challenges in practical CSI sensing: station-wise feature missingness and limited labeled data. Feature…

Machine Learning · Computer Science 2026-03-25 Keita Kayano , Takayuki Nishio , Daiki Yoda , Yuta Hirai , Tomoko Adachi

Semi-supervised segmentation tackles the scarcity of annotations by leveraging unlabeled data with a small amount of labeled data. A prominent way to utilize the unlabeled data is by consistency training which commonly uses a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Sukesh Adiga , Jose Dolz , Herve Lombaert

Deep networks are successfully used as classification models yielding state-of-the-art results when trained on a large number of labeled samples. These models, however, are usually much less suited for semi-supervised problems because of…

Machine Learning · Computer Science 2018-12-05 Elad Hoffer , Nir Ailon

Most existing crowd counting systems rely on the availability of the object location annotation which can be expensive to obtain. To reduce the annotation cost, one attractive solution is to leverage a large number of unlabeled images to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Yan Liu , Lingqiao Liu , Peng Wang , Pingping Zhang , Yinjie Lei

Deep neural networks have gained tremendous success in a broad range of machine learning tasks due to its remarkable capability to learn semantic-rich features from high-dimensional data. However, they often require large-scale labelled…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Hu Wang , Guansong Pang , Chunhua Shen , Congbo Ma

In this paper, we propose a novel trajectory learning method that exploits motion trajectories on topological map using recurrent neural network for temporally consistent geolocalization of object. Inspired by human's ability to both be…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Bing Zha , Alper Yilmaz

WiFi-based localization became one of the main indoor localization techniques due to the ubiquity of WiFi connectivity. However, indoor environments exhibit complex wireless propagation characteristics. Typically, these characteristics are…

Networking and Internet Architecture · Computer Science 2015-08-04 Heba Aly , Moustafa Youssef

In real-world sequential decision making tasks like autonomous driving, robotics, and healthcare, learning from observed state-action trajectories is critical for tasks like imitation, classification, and clustering. For example,…

Machine Learning · Computer Science 2025-01-20 Zichang Ge , Changyu Chen , Arunesh Sinha , Pradeep Varakantham

Understanding human motion is crucial for accurate pedestrian trajectory prediction. Conventional methods typically rely on supervised learning, where ground-truth labels are directly optimized against predicted trajectories. This amplifies…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yizhou Huang , Yihua Cheng , Kezhi Wang

Precise indoor localization is one of the key requirements for fifth Generation (5G) and beyond, concerning various wireless communication systems, whose applications span different vertical sectors. Although many highly accurate methods…

Signal Processing · Electrical Eng. & Systems 2021-01-27 Chenlu Xiang , Shunqing Zhang , Shugong Xu , George C. Alexandropoulos

Accurate and reliable building footprint maps are vital to urban planning and monitoring, and most existing approaches fall back on convolutional neural networks (CNNs) for building footprint generation. However, one limitation of these…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Qingyu Li , Yilei Shi , Xiao Xiang Zhu

This paper proposes a novel method of learning by predicting view assignments with support samples (PAWS). The method trains a model to minimize a consistency loss, which ensures that different views of the same unlabeled instance are…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Mahmoud Assran , Mathilde Caron , Ishan Misra , Piotr Bojanowski , Armand Joulin , Nicolas Ballas , Michael Rabbat

Federated Learning is a distributed machine learning paradigm dealing with decentralized and personal datasets. Since data reside on devices like smartphones and virtual assistants, labeling is entrusted to the clients, or labels are…

Machine Learning · Computer Science 2022-02-28 Vasileios Tsouvalas , Aaqib Saeed , Tanir Ozcelebi

Graphs are often used to organize data because of their simple topological structure, and therefore play a key role in machine learning. And it turns out that the low-dimensional embedded representation obtained by graph representation…

Machine Learning · Computer Science 2021-01-05 Xing Li , Wei Wei , Xiangnan Feng , Zhiming Zheng

Accurate and robust wireless localization is a key enabler for a wide range of mobile computing applications. Fingerprint-based localization using channel state information (CSI) has attracted significant attention due to its high accuracy…

Signal Processing · Electrical Eng. & Systems 2026-03-09 Haoyu Huang , Guangjin Pan , Kaixuan Huang , Shunqing Zhang , Yuhao Zhang , Musa Furkan Keskin , Zheng Xing , Henk Wymeersch

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…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Zhiqi Kang , Enrico Fini , Moin Nabi , Elisa Ricci , Karteek Alahari

Network traffic classification (NTC) is vital for efficient network management, security, and performance optimization, particularly with 5G/6G technologies. Traditional methods, such as deep packet inspection (DPI) and port-based…

Networking and Internet Architecture · Computer Science 2025-09-30 Ehsan Eslami , Walaa Hamouda

There are numerous advantages of deep neural network surrogate modeling for response time-history prediction. However, due to the high cost of refined numerical simulations and actual experiments, the lack of data has become an unavoidable…

Machine Learning · Computer Science 2023-06-16 Yongjia Xu , Xinzheng Lu , Yifan Fei , Yuli Huang