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To search an optimal sub-network within a general deep neural network (DNN), existing neural architecture search (NAS) methods typically rely on handcrafting a search space beforehand. Such requirements make it challenging to extend them…

机器学习 · 计算机科学 2023-10-09 Tianyi Chen , Luming Liang , Tianyu Ding , Ilya Zharkov

Recently, Graph Neural Networks (GNNs) have gained popularity in a variety of real-world scenarios. Despite the great success, the architecture design of GNNs heavily relies on manual labor. Thus, automated graph neural network (AutoGNN)…

机器学习 · 计算机科学 2021-12-03 Zhili Wang , Shimin Di , Lei Chen

Cross-domain recommendation (CDR) mitigates data sparsity and cold-start issues in recommendation systems. While recent CDR approaches using graph neural networks (GNNs) capture complex user-item interactions, they rely on manually designed…

信息检索 · 计算机科学 2025-04-11 Chendi Ge , Xin Wang , Ziwei Zhang , Yijian Qin , Hong Chen , Haiyang Wu , Yang Zhang , Yuekui Yang , Wenwu Zhu

Architecture design has become a crucial component of successful deep learning. Recent progress in automatic neural architecture search (NAS) shows a lot of promise. However, discovered architectures often fail to generalize in the final…

机器学习 · 计算机科学 2020-04-03 Guohao Li , Guocheng Qian , Itzel C. Delgadillo , Matthias Müller , Ali Thabet , Bernard Ghanem

Cross-user variability poses a significant challenge in sensor-based Human Activity Recognition (HAR) systems, as traditional models struggle to generalize across users due to differences in behavior, sensor placement, and data…

机器学习 · 计算机科学 2025-06-04 Xiaozhou Ye , Kevin I-Kai Wang

Graph neural networks (GNNs) have gained significant interest for applications such as citation network analysis and drug discovery due to their ability to apply machine learning techniques on graph-structured data. GNNs typically employ a…

硬件体系结构 · 计算机科学 2026-05-28 Siddhartha Raman Sundara Raman , Lizy John , Jaydeep P. Kulkarni

Most existing neural architecture search (NAS) algorithms are dedicated to and evaluated by the downstream tasks, e.g., image classification in computer vision. However, extensive experiments have shown that, prominent neural architectures,…

机器学习 · 计算机科学 2021-11-18 Yuhong Li , Cong Hao , Pan Li , Jinjun Xiong , Deming Chen

How humans understand and recognize the actions of others is a complex neuroscientific problem that involves a combination of cognitive mechanisms and neural networks. Research has shown that humans have brain areas that recognize actions…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Haojun Xu , Yan Gao , Zheng Hui , Jie Li , Xinbo Gao

Graph neural networks (GNNs) have been intensively applied to various graph-based applications. Despite their success, manually designing the well-behaved GNNs requires immense human expertise. And thus it is inefficient to discover the…

机器学习 · 计算机科学 2022-06-20 Wentao Zhang , Zheyu Lin , Yu Shen , Yang Li , Zhi Yang , Bin Cui

Convolutional Neural Networks (CNN) have been regarded as a capable class of models for visual recognition problems. Nevertheless, it is not trivial to develop generic and powerful network architectures, which requires significant efforts…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Zhaofan Qiu , Ting Yao , Yiheng Zhang , Yongdong Zhang , Tao Mei

Graph Neural Networks (GNNs) are becoming increasingly popular for graph-based learning tasks such as point cloud processing due to their state-of-the-art (SOTA) performance. Nevertheless, the research community has primarily focused on…

机器学习 · 计算机科学 2024-08-26 Ao Zhou , Jianlei Yang , Yingjie Qi , Tong Qiao , Yumeng Shi , Cenlin Duan , Weisheng Zhao , Chunming Hu

Sensor-based Human Activity Recognition (HAR) in smart home environments is crucial for several applications, especially in the healthcare domain. The majority of the existing approaches leverage deep learning models. While these approaches…

人工智能 · 计算机科学 2026-01-06 Michele Fiori , Davide Mor , Gabriele Civitarese , Claudio Bettini

Neural Architecture Search (NAS) has recently gained increased attention, as a class of approaches that automatically searches in an input space of network architectures. A crucial part of the NAS pipeline is the encoding of the…

机器学习 · 计算机科学 2021-08-18 Michail Chatzianastasis , George Dasoulas , Georgios Siolas , Michalis Vazirgiannis

In Human Activity Recognition (HAR), understanding the intricacy of body movements within high-risk applications is essential. This study uses SHapley Additive exPlanations (SHAP) to explain the decision-making process of Graph Convolution…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Felix Tempel , Espen Alexander F. Ihlen , Lars Adde , Inga Strümke

Graph neural architecture search (GNAS) can customize high-performance graph neural network architectures for specific graph tasks or datasets. However, existing GNAS methods begin searching for architectures from a zero-knowledge state,…

神经与进化计算 · 计算机科学 2024-11-27 Chao Wang , Jiaxuan Zhao , Lingling Li , Licheng Jiao , Fang Liu , Xu Liu , Shuyuan Yang

Graph Convolutional Networks (GCNs) have been widely used in skeleton-based human action recognition. In GCN-based methods, the spatio-temporal graph is fundamental for capturing motion patterns. However, existing approaches ignore the…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Chang Li , Qian Huang , Yingchi Mao

Graph neural networks (GNNs) have emerged as a popular strategy for handling non-Euclidean data due to their state-of-the-art performance. However, most of the current GNN model designs mainly focus on task accuracy, lacking in considering…

机器学习 · 计算机科学 2023-04-14 Ao Zhou , Jianlei Yang , Yingjie Qi , Yumeng Shi , Tong Qiao , Weisheng Zhao , Chunming Hu

The number of graph neural network (GNN) architectures has increased rapidly due to the growing adoption of graph analysis. Although we use GNNs in wide application scenarios, it is a laborious task to design/select optimal GNN…

机器学习 · 计算机科学 2025-11-05 Yuya Sasaki

Data generation is a data augmentation technique for enhancing the generalization ability for skeleton-based human action recognition. Most existing data generation methods face challenges to ensure the temporal consistency of the dynamic…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Long Liu , Xin Wang , Fangming Li , Jiayu Chen

Human Action Recognition (HAR) is an interesting research area in human-computer interaction used to monitor the activities of elderly and disabled individuals affected by physical and mental health. In the recent era, skeleton-based HAR…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Faisal Mehmood , Enqing Chen , Touqeer Abbas , Samah M. Alzanin