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Using deep learning, 3D autonomous driving semantic segmentation has become a well-studied subject, with methods that can reach very high performance. Nonetheless, because of the limited size of the training datasets, these models cannot…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Jules Sanchez , Jean-Emmanuel Deschaud , Francois Goulette

Human activity recognition (HAR) with wearables is promising research that can be widely adopted in many smart healthcare applications. In recent years, the deep learning-based HAR models have achieved impressive recognition performance.…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Songpengcheng Xia , Lei Chu , Ling Pei , Wenxian Yu , Robert C. Qiu

To tackle Named Entity Recognition (NER) tasks, supervised methods need to obtain sufficient cleanly annotated data, which is labor and time consuming. On the contrary, distantly supervised methods acquire automatically annotated data using…

计算与语言 · 计算机科学 2019-12-05 Shifeng Liu , Yifang Sun , Bing Li , Wei Wang , Xiang Zhao

Wearable sensor-based human activity recognition (HAR) has emerged as a principal research area and is utilized in a variety of applications. Recently, deep learning-based methods have achieved significant improvement in the HAR field with…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Sungho Suh , Vitor Fortes Rey , Paul Lukowicz

Radio-frequency (RF)-based human activity recognition (HAR) provides a contactless and privacy-preserving solution for monitoring human behavior in applications such as astronaut extravehicular activity monitoring, human-autonomy…

信号处理 · 电气工程与系统科学 2025-08-07 Junshuo Liu , Xin Shi , Yunchuan Zhang , Yinhao Ge , Robert C. Qiu

Matching information across image and text modalities is a fundamental challenge for many applications that involve both vision and natural language processing. The objective is to find efficient similarity metrics to compare the similarity…

计算机视觉与模式识别 · 计算机科学 2020-10-29 Li Ren , Kai Li , LiQiang Wang , Kien Hua

Domain Generalized Semantic Segmentation (DGSS) seeks to utilize source domain data exclusively to enhance the generalization of semantic segmentation across unknown target domains. Prevailing studies predominantly concentrate on feature…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Hongwei Niu , Linhuang Xie , Jianghang Lin , Shengchuan Zhang

The field of Human Activity Recognition (HAR) focuses on obtaining and analysing data captured from monitoring devices (e.g. sensors). There is a wide range of applications within the field; for instance, assisted living, security…

机器学习 · 计算机科学 2020-05-18 Flávia Alves , Martin Gairing , Frans A. Oliehoek , Thanh-Toan Do

Existing pretraining data mixing methods for large language models (LLMs) typically follow a domain-wise methodology, a top-down process that first determines domain weights and then performs uniform data sampling across each domain.…

计算与语言 · 计算机科学 2025-03-04 Xiangyu Xi , Deyang Kong , Jian Yang , Jiawei Yang , Zhengyu Chen , Wei Wang , Jingang Wang , Xunliang Cai , Shikun Zhang , Wei Ye

Recent deep networks achieved state of the art performance on a variety of semantic segmentation tasks. Despite such progress, these models often face challenges in real world `wild tasks' where large difference between labeled…

计算机视觉与模式识别 · 计算机科学 2018-10-26 Yang Zou , Zhiding Yu , B. V. K. Vijaya Kumar , Jinsong Wang

We propose a novel domain adaptive action detection approach and a new adaptation protocol that leverages the recent advancements in image-level unsupervised domain adaptation (UDA) techniques and handle vagaries of instance-level video…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Yifan Lu , Gurkirt Singh , Suman Saha , Luc Van Gool

In multi-label classification, machine learning encounters the challenge of domain generalization when handling tasks with distributions differing from the training data. Existing approaches primarily focus on vision object recognition and…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yuxin Qiao , Keqin Li , Junhong Lin , Rong Wei , Chufeng Jiang , Yang Luo , Haoyu Yang

We introduce SensorLLM, a two-stage framework that enables Large Language Models (LLMs) to perform human activity recognition (HAR) from sensor time-series data. Despite their strong reasoning and generalization capabilities, LLMs remain…

计算与语言 · 计算机科学 2025-08-26 Zechen Li , Shohreh Deldari , Linyao Chen , Hao Xue , Flora D. Salim

We address the problem of speech act recognition (SAR) in asynchronous conversations (forums, emails). Unlike synchronous conversations (e.g., meetings, phone), asynchronous domains lack large labeled datasets to train an effective SAR…

计算与语言 · 计算机科学 2019-04-09 Tasnim Mohiuddin , Thanh-Tung Nguyen , Shafiq Joty

We propose UnMixMatch, a semi-supervised learning framework which can learn effective representations from unconstrained unlabelled data in order to scale up performance. Most existing semi-supervised methods rely on the assumption that…

机器学习 · 计算机科学 2024-01-17 Shuvendu Roy , Ali Etemad

We develop an algorithm for adapting a semantic segmentation model that is trained using a labeled source domain to generalize well in an unlabeled target domain. A similar problem has been studied extensively in the unsupervised domain…

机器学习 · 计算机科学 2021-01-12 Serban Stan , Mohammad Rostami

Various health-care applications such as assisted living, fall detection, etc., require modeling of user behavior through Human Activity Recognition (HAR). Such applications demand characterization of insights from multiple…

机器学习 · 计算机科学 2020-12-07 Gautham Krishna Gudur , Satheesh K. Perepu

Domain adaptation approaches seek to learn from a source domain and generalize it to an unseen target domain. At present, the state-of-the-art unsupervised domain adaptation approaches for subjective text classification problems leverage…

机器学习 · 计算机科学 2020-10-22 Jitin Krishnan , Hemant Purohit , Huzefa Rangwala

Recent years have witnessed the rapid development of human activity recognition (HAR) based on wearable sensor data. One can find many practical applications in this area, especially in the field of health care. Many machine learning…

机器学习 · 计算机科学 2019-05-16 H. D. Nguyen , K. P. Tran , X. Zeng , L. Koehl , G. Tartare

For pixel-level crowd understanding, it is time-consuming and laborious in data collection and annotation. Some domain adaptation algorithms try to liberate it by training models with synthetic data, and the results in some recent works…

计算机视觉与模式识别 · 计算机科学 2020-02-21 Tao Han , Junyu Gao , Yuan Yuan , Qi Wang