中文
相关论文

相关论文: FREQuency ATTribution: benchmarking frequency-base…

200 篇论文

One principal approach for illuminating a black-box neural network is feature attribution, i.e. identifying the importance of input features for the network's prediction. The predictive information of features is recently proposed as a…

机器学习 · 计算机科学 2021-12-09 Yang Zhang , Ashkan Khakzar , Yawei Li , Azade Farshad , Seong Tae Kim , Nassir Navab

Multivariate time-series forecasting holds immense value across diverse applications, requiring methods to effectively capture complex temporal and inter-variable dynamics. A key challenge lies in uncovering the intrinsic patterns that…

机器学习 · 计算机科学 2025-03-12 Liang Yu , Lai Tu , Xiang Bai

Deep neural networks are often considered opaque systems, prompting the need for explainability methods to improve trust and accountability. Existing approaches typically attribute test-time predictions either to input features (e.g.,…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Aziz Bacha , Thomas George

The article considers classification task of fractal time series by the meta algorithms based on decision trees. Binomial multiplicative stochastic cascades are used as input time series. Comparative analysis of the classification…

网络与互联网体系结构 · 计算机科学 2019-05-09 Vitalii Bulakh , Lyudmyla Kirichenko , Tamara Radivilova

The Transformer model has shown leading performance in time series forecasting. Nevertheless, in some complex scenarios, it tends to learn low-frequency features in the data and overlook high-frequency features, showing a frequency bias.…

机器学习 · 计算机科学 2024-07-04 Xihao Piao , Zheng Chen , Taichi Murayama , Yasuko Matsubara , Yasushi Sakurai

Frequency estimation is a fundamental problem in signal processing, with applications in radar imaging, underwater acoustics, seismic imaging, and spectroscopy. The goal is to estimate the frequency of each component in a multisinusoidal…

机器学习 · 计算机科学 2021-02-04 Gautier Izacard , Sreyas Mohan , Carlos Fernandez-Granda

Capturing high-frequency data concerning the condition of complex systems, e.g. by acoustic monitoring, has become increasingly prevalent. Such high-frequency signals typically contain time dependencies ranging over different time scales…

声音 · 计算机科学 2022-06-14 Gaetan Frusque , Olga Fink

With the development of society, time series anomaly detection plays an important role in network and IoT services. However, most existing anomaly detection methods directly analyze time series in the time domain and cannot distinguish some…

人工智能 · 计算机科学 2024-12-04 Yi-Xiang Lu , Xiao-Bo Jin , Jian Chen , Dong-Jie Liu , Guang-Gang Geng

Deep networks have shown remarkable performance across a wide range of tasks, yet getting a global concept-level understanding of how they function remains a key challenge. Many post-hoc concept-based approaches have been introduced to…

机器学习 · 计算机科学 2026-04-15 Amin Parchami-Araghi , Sukrut Rao , Jonas Fischer , Bernt Schiele

Time series data is often composed of information at multiple time scales, particularly in biomedical data. While numerous deep learning strategies exist to capture this information, many make networks larger, require more data, are more…

机器学习 · 计算机科学 2025-01-22 Trevor Meyer , Camden Shultz , Najim Dehak , Laureano Moro-Velazquez , Pedro Irazoqui

With the rise in the employment of deep learning methods in safety-critical scenarios, interpretability is more essential than ever before. Although many different directions regarding interpretability have been explored for visual…

机器学习 · 计算机科学 2020-04-08 Shoaib Ahmed Siddiqui , Dominique Mercier , Andreas Dengel , Sheraz Ahmed

Despite the enormous success of artificial neural networks (ANNs) in many disciplines, the characterization of their computations and the origin of key properties such as generalization and robustness remain open questions. Recent…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Nikos Karantzas , Emma Besier , Josue Ortega Caro , Xaq Pitkow , Andreas S. Tolias , Ankit B. Patel , Fabio Anselmi

Time-frequency (TF) representations of time series are intrinsically subject to the boundary effects. As a result, the structures of signals that are highlighted by the representations are garbled when approaching the boundaries of the TF…

信号处理 · 电气工程与系统科学 2021-02-24 Adrien Meynard , Hau-Tieng Wu

We study the general problem of computing frequency-based functions, i.e., the sum of any given function of data stream frequencies. Special cases include fundamental data stream problems such as computing the number of distinct elements…

数据结构与算法 · 计算机科学 2020-10-08 Prantar Ghosh

Multivariate time series forecasting is crucial across various industries, where accurate extraction of complex periodic and trend components can significantly enhance prediction performance. However, existing models often struggle to…

机器学习 · 计算机科学 2025-05-08 Yulong Wang , Yushuo Liu , Xiaoyi Duan , Kai Wang

Sound event localization frameworks based on deep neural networks have shown increased robustness with respect to reverberation and noise in comparison to classical parametric approaches. In particular, recurrent architectures that…

Current approaches for time series forecasting, whether in the time or frequency domain, predominantly use deep learning models based on linear layers or transformers. They often encode time series data in a black-box manner and rely on…

机器学习 · 计算机科学 2025-10-14 Cheng He , Xijie Liang , Zengrong Zheng , Patrick P. C. Lee , Xu Huang , Zhaoyi Li , Hong Xie , Defu Lian , Enhong Chen

Enhancing our understanding of adversarial examples is crucial for the secure application of machine learning models in real-world scenarios. A prevalent method for analyzing adversarial examples is through a frequency-based approach.…

机器学习 · 计算机科学 2024-04-17 Zhun Zhang , Yi Zeng , Qihe Liu , Shijie Zhou

Deep learning continues to revolutionize an ever-growing number of critical application areas including healthcare, transportation, finance, and basic sciences. Despite their increased predictive power, model transparency and human…

机器学习 · 计算机科学 2020-04-28 Benjamin Shickel , Parisa Rashidi

Deep classifiers may encounter significant performance degradation when processing unseen testing data from varying centers, vendors, and protocols. Ensuring the robustness of deep models against these domain shifts is crucial for their…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Yuhao Huang , Xin Yang , Xiaoqiong Huang , Xinrui Zhou , Haozhe Chi , Haoran Dou , Xindi Hu , Jian Wang , Xuedong Deng , Dong Ni