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Continual Learning addresses the challenge of learning a number of different tasks sequentially. The goal of maintaining knowledge of earlier tasks without re-accessing them starkly conflicts with standard SGD training for artificial neural…

机器学习 · 计算机科学 2021-02-05 Frederik Benzing

Modern data-driven recommendation systems risk memorizing sensitive user behavioral patterns, raising privacy concerns. Existing recommendation unlearning methods, while capable of removing target data influence, suffer from inefficient…

信息检索 · 计算机科学 2025-11-11 Junpeng Zhao , Lin Li , Ming Li , Amran Bhuiyan , Jimmy Huang

We propose a novel mechanism for real-time (human-in-the-loop) feedback focused on false positive reduction to enhance anomaly detection models. It was designed for the lightweight deployment of a behavioral network anomaly detection model.…

Person Re-Identification (ReID) matches pedestrians across disjoint cameras. Existing ReID methods adopting real-value feature descriptors have achieved high accuracy, but they are low in efficiency due to the slow Euclidean distance…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Qingze Yin , Guanan Wang , Guodong Ding , Qilei Li , Shaogang Gong , Zhenmin Tang

In order to find experts, different approaches build rankings of people, assuming that they are ranked by level of expertise, and use typical Information Retrieval (IR) measures to evaluate their effectiveness. However, we figured out that…

信息检索 · 计算机科学 2016-03-17 Matthieu Vergne

Multi-agent inverse reinforcement learning (MIRL) can be used to learn reward functions from agents in social environments. To model realistic social dynamics, MIRL methods must account for suboptimal human reasoning and behavior.…

人工智能 · 计算机科学 2021-09-06 Sage Bergerson

Deep neural networks suffer from catastrophic forgetting, where performance on previous tasks degrades after training on a new task. This issue arises due to the model's tendency to overwrite previously acquired knowledge with new…

We propose the use of self-supervised learning for human activity recognition with smartphone accelerometer data. Our proposed solution consists of two steps. First, the representations of unlabeled input signals are learned by training a…

信号处理 · 电气工程与系统科学 2021-09-03 Setareh Rahimi Taghanaki , Michael Rainbow , Ali Etemad

Deep learning has proven to be an effective approach in the field of Human activity recognition (HAR), outperforming other architectures that require manual feature engineering. Despite recent advancements, challenges inherent to HAR data,…

机器学习 · 计算机科学 2023-07-18 Yiran Huang , Yexu Zhou , Till Riedel , Likun Fang , Michael Beigl

Supervised learning, more specifically Convolutional Neural Networks (CNN), has surpassed human ability in some visual recognition tasks such as detection of traffic signs, faces and handwritten numbers. On the other hand, even…

机器人学 · 计算机科学 2018-09-18 Hai Nguyen , Hung Manh La , Matthew Deans

Automated human action recognition is one of the most attractive and practical research fields in computer vision, in spite of its high computational costs. In such systems, the human action labelling is based on the appearance and patterns…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Fatemeh Serpush , Mahdi Rezaei

Reinforcement learning, evolutionary algorithms and imitation learning are three principal methods to deal with continuous control tasks. Reinforcement learning is sample efficient, yet sensitive to hyper-parameters setting and needs…

机器学习 · 计算机科学 2019-12-16 Shuai Lü , Shuai Han , Wenbo Zhou , Junwei Zhang

In the field of sensor-based Human Activity Recognition (HAR), deep neural networks provide advanced technical support. Many studies have proven that recognition accuracy can be improved by increasing the depth or width of the network.…

机器学习 · 计算机科学 2025-08-22 Xiaoyang Li , Yixuan Jiang , Junze Zhu , Haotian Tang , Dongchen Wu , Hanyu Liu , Chao Li

Recent work on robot manipulation has advanced policy generalization to novel scenarios. However, it is often difficult to characterize how different evaluation settings actually represent generalization from the training distribution of a…

机器人学 · 计算机科学 2026-03-19 Jensen Gao , Dorsa Sadigh , Sandy Huang , Dhruv Shah

The continuous expansion of digital learning environments has catalyzed the demand for intelligent systems capable of providing personalized educational content. While current exercise recommendation frameworks have made significant…

信息检索 · 计算机科学 2026-04-22 Rong Fu , Zijian Zhang , Haiyun Wei , Jiekai Wu , Kun Liu , Xianda Li , Haoyu Zhao , Yang Li , Yongtai Liu , Ziming Wang , Rui Lu , Simon Fong

Multi-behavior recommendation predicts items a user may purchase by analyzing diverse behaviors like viewing, adding to a cart, and purchasing. Existing methods fall into two categories: representation learning and graph ranking.…

信息检索 · 计算机科学 2025-02-18 Geonwoo Ko , Minseo Jeon , Jinhong Jung

Re-ranking utilizes contextual information to optimize the initial ranking list of person or vehicle re-identification (re-ID), which boosts the retrieval performance at post-processing steps. This paper proposes a re-ranking network to…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Yunhao Zhou , Yi Wang , Lap-Pui Chau

Binary determination of the presence of objects is one of the problems where humans perform extraordinarily better than computer vision systems, in terms of both speed and preciseness. One of the possible reasons is that humans can skip…

机器学习 · 计算机科学 2019-06-05 Baoxiang Wang

Factorization machines (FM) are a popular model class to learn pairwise interactions by a low-rank approximation. Different from existing FM-based approaches which use a fixed rank for all features, this paper proposes a Rank-Aware FM…

机器学习 · 计算机科学 2019-05-21 Xiaoshuang Chen , Yin Zheng , Jiaxing Wang , Wenye Ma , Junzhou Huang

Fitness movement recognition, a focused subdomain of human activity recognition (HAR), plays a vital role in health monitoring, rehabilitation, and personalized fitness training by enabling automated exercise classification from video data.…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Shanjid Hasan Nishat , Srabonti Deb , Mohiuddin Ahmed