中文
相关论文

相关论文: TSINR: Capturing Temporal Continuity via Implicit …

200 篇论文

Implicit Neural Representations (INRs) provide a powerful continuous framework for modeling complex visual and geometric signals, but spectral bias remains a fundamental challenge, limiting their ability to capture high-frequency details.…

机器学习 · 计算机科学 2025-12-01 Yesom Park , Kelvin Kan , Thomas Flynn , Yi Huang , Shinjae Yoo , Stanley Osher , Xihaier Luo

A new Lossy Causal Temporal Convolutional Neural Network Autoencoder for anomaly detection is proposed in this work. Our framework uses a rate-distortion loss and an entropy bottleneck to learn a compressed latent representation for the…

机器学习 · 计算机科学 2022-12-06 Christopher P. Ley , Jorge F. Silva

One of the most interesting application scenarios in anomaly detection is when sequential data are targeted. For example, in a safety-critical environment, it is crucial to have an automatic detection system to screen the streaming data…

机器学习 · 计算机科学 2020-04-23 Min-hwan Oh , Garud Iyengar

Anomaly detection is widely used in network intrusion detection, autonomous driving, medical diagnosis, credit card frauds, etc. However, several key challenges remain open, such as lack of ground truth labels, presence of complex temporal…

机器学习 · 计算机科学 2023-03-24 Shyam Sundar Saravanan , Tie Luo , Mao Van Ngo

Recent advances in digitization have led to the availability of multivariate time series data in various domains, enabling real-time monitoring of operations. Identifying abnormal data patterns and detecting potential failures in these…

机器学习 · 计算机科学 2023-10-10 Fan Wang , Keli Wang , Boyu Yao

Implicit neural representation (INR) embed various signals into neural networks. They have gained attention in recent years because of their versatility in handling diverse signal types. In the context of video, INR achieves video…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Taiga Hayami , Takahiro Shindo , Shunsuke Akamatsu , Hiroshi Watanabe

Reliably reconstructing physical fields from sparse sensor data is a challenge that frequently arises in many scientific domains. In practice, the process generating the data often is not understood to sufficient accuracy. Therefore, there…

机器学习 · 计算机科学 2024-01-23 Xihaier Luo , Wei Xu , Yihui Ren , Shinjae Yoo , Balu Nadiga

Hyperspectral image (HSI) super-resolution without additional auxiliary image remains a constant challenge due to its high-dimensional spectral patterns, where learning an effective spatial and spectral representation is a fundamental…

图像与视频处理 · 电气工程与系统科学 2021-12-21 Kaiwei Zhang

Irregularly sampled multivariate time series are ubiquitous in several application domains, leading to sparse, not fully-observed and non-aligned observations across different variables. Standard sequential neural network architectures,…

机器学习 · 计算机科学 2023-08-10 Chrysoula Kosma , Giannis Nikolentzos , Michalis Vazirgiannis

Current time series foundation models (TSFMs) primarily focus on learning prevalent and regular patterns within a predefined time or frequency domain to enable supervised downstream tasks (e.g., forecasting). Consequently, they are often…

机器学习 · 计算机科学 2026-02-24 Hui He , Hezhe Qiao , Yutong Chen , Kun Yi , Guansong Pang

Implicit Neural Representations (INRs) have garnered significant attention for their ability to model complex signals in various domains. Recently, INR-based frameworks have shown promise in neural video compression by embedding video…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Taiga Hayami , Kakeru Koizumi , Hiroshi Watanabe

Dynamic magnetic resonance imaging (dMRI) captures temporally-resolved anatomy but is often challenged by limited sampling and motion-induced artifacts. Conventional motion-compensated reconstructions typically rely on pre-estimated optical…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Baoqing Li , Yuanyuan Liu , Congcong Liu , Qingyong Zhu , Jing Cheng , Yihang Zhou , Hao Chen , Zhuo-Xu Cui , Dong Liang

Recent efforts towards video anomaly detection (VAD) try to learn a deep autoencoder to describe normal event patterns with small reconstruction errors. The video inputs with large reconstruction errors are regarded as anomalies at the test…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Yuandu Lai , Yahong Han , Yaowei Wang

Large companies need to monitor various metrics (for example, Page Views and Revenue) of their applications and services in real time. At Microsoft, we develop a time-series anomaly detection service which helps customers to monitor the…

机器学习 · 计算机科学 2019-06-11 Hansheng Ren , Bixiong Xu , Yujing Wang , Chao Yi , Congrui Huang , Xiaoyu Kou , Tony Xing , Mao Yang , Jie Tong , Qi Zhang

We introduce Temporal Variational Implicit Neural Representations (TV-INRs), a probabilistic framework for modeling irregular multivariate time series that enables efficient individualized imputation and forecasting. By integrating implicit…

机器学习 · 计算机科学 2025-06-03 Batuhan Koyuncu , Rachael DeVries , Ole Winther , Isabel Valera

Anomalies represent deviations from the intended system operation and can lead to decreased efficiency as well as partial or complete system failure. As the causes of anomalies are often unknown due to complex system dynamics, efficient…

机器学习 · 计算机科学 2021-08-31 Benjamin Lindemann , Benjamin Maschler , Nada Sahlab , Michael Weyrich

Anomaly detection in videos is a significant yet challenging problem. Previous approaches based on deep neural networks employ either reconstruction-based or prediction-based approaches. Nevertheless, existing reconstruction-based methods…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Yizhou Wang , Can Qin , Yue Bai , Yi Xu , Xu Ma , Yun Fu

Irregularly-sampled time series occur in many domains including healthcare. They can be challenging to model because they do not naturally yield a fixed-dimensional representation as required by many standard machine learning models. In…

机器学习 · 计算机科学 2020-08-19 Steven Cheng-Xian Li , Benjamin M. Marlin

Given the scarcity of anomalies in real-world applications, the majority of literature has been focusing on modeling normality. The learned representations enable anomaly detection as the normality model is trained to capture certain key…

机器学习 · 计算机科学 2022-07-05 Feng Xue , Weizhong Yan

Intrusion detection for computer network systems becomes one of the most critical tasks for network administrators today. It has an important role for organizations, governments and our society due to its valuable resources on computer…

机器学习 · 计算机科学 2017-03-30 Loic Bontemps , Van Loi Cao , James McDermott , Nhien-An Le-Khac