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- research-articleJanuary 2025
Effect of a reduced arterial axial pre-stretch ratio during aging on the cardiac output and cerebral blood flow in the healthy elders
Computer Methods and Programs in Biomedicine (CBIO), Volume 257, Issue Chttps://doi.org/10.1016/j.cmpb.2024.108468Highlights- We reported an experimental method to simulate arteries aging, developed a fluid-structure interaction model with the effect of AAPSR changes.
- Decreased AAPSR leads to declined arterial elasticity, decreased of arterial elastic strain ...
It is an indisputable physiological phenomenon that the arterial axial pre-stretch ratio (AAPSR) decreases with age, but little attention has been paid to the effect of this reduction on chronic diseases during aging.
... - research-articleNovember 2024
PiezoBud: A Piezo-Aided Secure Earbud with Practical Speaker Authentication
SenSys '24: Proceedings of the 22nd ACM Conference on Embedded Networked Sensor SystemsPages 564–577https://doi.org/10.1145/3666025.3699358With the advancement of AI-powered personal voice assistants, speaker authentication via earbuds has become increasingly vital, serving as a critical interface between users and mobile devices. However, existing audio-based speaker authentication methods ...
- ArticleAugust 2024
LLM-Driven Ontology Learning to Augment Student Performance Analysis in Higher Education
AbstractIn educational settings, a challenge is the lack of linked and labeled data, hindering effective analysis. The integration of ontology facilitates the formulation of educational knowledge concepts, student behaviors, and their relations. ...
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- ArticleAugust 2024
Visual Analytics of Learning Behavior Based on the Dendritic Neuron Model
Knowledge Science, Engineering and ManagementPages 192–203https://doi.org/10.1007/978-981-97-5495-3_14AbstractLearning analytics, blending education theory, psychology, statistics, and computer science, utilizes data about learners and their environments to enhance education. Artificial Intelligence advances this field by personalizing learning and ...
- research-articleSeptember 2024
High-Dimensional Feature Fault Diagnosis Method Based on HEFS-LGBM
Journal of Electronic Testing: Theory and Applications (JELT), Volume 40, Issue 4Pages 557–572https://doi.org/10.1007/s10836-024-06134-6AbstractThe challenge caused by redundant feature interference in high-dimensional fault feature data of analog circuits, will undermines the efficacy of conventional analog circuit fault diagnosis techniques, Thus, a novel approach termed Heterogeneous ...
- research-articleJanuary 2025
Outlier weighed layerwise sparsity (OWL): a missing secret sauce for pruning LLMs to high sparsity
- Lu Yin,
- You Wu,
- Zhenyu Zhang,
- Cheng-Yu Hsieh,
- Yaqing Wang,
- Yiling Jia,
- Gen Li,
- Ajay Jaiswal,
- Mykola Pechenizkiy,
- Yi Liang,
- Michael Bendersky,
- Zhangyang Wang,
- Shiwei Liu
ICML'24: Proceedings of the 41st International Conference on Machine LearningArticle No.: 2358, Pages 57101–57115Large Language Models (LLMs), renowned for their remarkable performance across diverse domains, present a challenge when it comes to practical deployment due to their colossal model size. In response to this challenge, efforts have been directed toward ...
- research-articleJanuary 2025
Accelerating convergence of score-based diffusion models, provably
ICML'24: Proceedings of the 41st International Conference on Machine LearningArticle No.: 1120, Pages 27942–27954Score-based diffusion models, while achieving remarkable empirical performance, often suffer from low sampling speed, due to extensive function evaluations needed during the sampling phase. Despite a flurry of recent activities towards speeding up ...
- research-articleJanuary 2025
Advancing dynamic sparse training by exploring optimization opportunities
ICML'24: Proceedings of the 41st International Conference on Machine LearningArticle No.: 867, Pages 21606–21619Dynamic Sparse Training (DST) has been effectively addressing the substantial training resource requirements of increasingly large Deep Neural Networks (DNNs). Characterized by its dynamic "train-prune-grow" schedule during training, DST implicitly ...
- research-articleAugust 2024
Deformation Detection Method for Building Structures Based on Neural Radiance Fields
ICCMT '24: Proceedings of the 2024 International Conference on Computer and Multimedia TechnologyPages 370–375https://doi.org/10.1145/3675249.3675314Deformation detection of building structures is a key technology to ensure building safety. It can identify problems that may cause structural disasters early, so as to take preventive measures to reduce or avoid potential disaster risks, avoid accidents,...
- research-articleApril 2024
High-Probability Sample Complexities for Policy Evaluation With Linear Function Approximation
IEEE Transactions on Information Theory (ITHR), Volume 70, Issue 8Pages 5969–5999https://doi.org/10.1109/TIT.2024.3394685This paper is concerned with the problem of policy evaluation with linear function approximation in discounted infinite horizon Markov decision processes. We investigate the sample complexities required to guarantee a predefined estimation error of the ...
- research-articleApril 2024
Model-Based Reinforcement Learning for Offline Zero-Sum Markov Games
This paper makes progress toward learning Nash equilibria in two-player, zero-sum Markov games from offline data. Despite a large number of prior works tackling this problem, the state-of-the-art results suffer from the curse of multiple agents in the ...
This paper makes progress toward learning Nash equilibria in two-player, zero-sum Markov games from offline data. Specifically, consider a γ-discounted, infinite-horizon Markov game with S states, in which the max-player has A actions and the min-player ...
- research-articleJanuary 2025
Removing interference and recovering content imaginatively for visible watermark removal
AAAI'24/IAAI'24/EAAI'24: Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence and Thirty-Sixth Conference on Innovative Applications of Artificial Intelligence and Fourteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 332, Pages 2983–2990https://doi.org/10.1609/aaai.v38i4.28080Visible watermarks, while instrumental in protecting image copyrights, frequently distort the underlying content, complicating tasks like scene interpretation and image editing. Visible watermark removal aims to eliminate the interference of watermarks ...
- research-articleApril 2024
Free surface tension modelling using particle-grid hybrid method without considering gas particles
Journal of Computational Physics (JOCP), Volume 498, Issue Chttps://doi.org/10.1016/j.jcp.2023.112674AbstractIn particle method, the number of particles is an important factor affecting the computational efficiency. For the free-surface flow, gas particles are usually necessary for surface tension calculation, but they have little impact to the liquid ...
- research-articleJanuary 2024
PyroSense: 3D Posture Reconstruction Using Pyroelectric Infrared Sensing
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 7, Issue 4Article No.: 197, Pages 1–32https://doi.org/10.1145/3631435We present PyroSense, the first-of-its-kind system that enables fine-grained 3D posture reconstruction using ubiquitous COTS passive infrared sensor (PIR sensor). PyroSense senses heat signals generated by the human body and airflow due to body movement ...
- research-articleJanuary 2025
Extreme Weather Hazards and Insurance Revenues Based on Bi-directional LSTM
Procedia Computer Science (PROCS), Volume 243, Issue CPages 670–679https://doi.org/10.1016/j.procs.2024.09.081AbstractAs extreme weather becomes more prevalent, it has serious implications for the insurance industry, real estate owners, and historic buildings. First of all, for the extreme weather, we summarize extreme weather into three parts: extreme ...
- research-articleMay 2024
Regret-optimal model-free reinforcement learning for discounted MDPs with short burn-in time
NIPS '23: Proceedings of the 37th International Conference on Neural Information Processing SystemsArticle No.: 3537, Pages 80674–80689A crucial problem in reinforcement learning is learning the optimal policy. We study this in tabular infinite-horizon discounted Markov decision processes under the online setting. The existing algorithms either fail to achieve regret optimality or have ...
- research-articleMay 2024
The curious price of distributional robustness in reinforcement learning with a generative model
NIPS '23: Proceedings of the 37th International Conference on Neural Information Processing SystemsArticle No.: 3499, Pages 79903–79917This paper investigates model robustness in reinforcement learning (RL) via the framework of distributionally robust Markov decision processes (RMDPs). Despite recent efforts, the sample complexity of RMDPs is much less understood regardless of the ...
- research-articleMay 2024
Dynamic sparsity is channel-level sparsity learner
- Lu Yin,
- Gen Li,
- Meng Fang,
- Li Shen,
- Tianjin Huang,
- Zhangyang Wang,
- Vlado Menkovski,
- Xiaolong Ma,
- Mykola Pechenizkiy,
- Shiwei Liu
NIPS '23: Proceedings of the 37th International Conference on Neural Information Processing SystemsArticle No.: 2975, Pages 67993–68012Sparse training has received an upsurging interest in machine learning due to its tantalizing saving potential for the entire training process as well as inference. Dynamic sparse training (DST), as a leading sparse training approach, can train deep ...