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Large-scale self-supervised pre-training Transformer architecture have significantly boosted the performance for various tasks in natural language processing (NLP) and computer vision (CV). However, there is a lack of researches on…

机器学习 · 计算机科学 2022-10-06 Peiwang Tang , Xianchao Zhang

This paper proposes a spatiotemporal (ST) fusion framework robust against diverse noise for satellite images, named Temporally-Similar Structure-Aware ST fusion (TSSTF). ST fusion is a promising approach to address the trade-off between the…

信号处理 · 电气工程与系统科学 2026-01-30 Ryosuke Isono , Shunsuke Ono

Recent advancements in foundation models have significantly impacted various fields, including natural language processing, computer vision, and multi-modal tasks. One area that stands to benefit greatly is Earth observation, where these…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Yohei Nakayama , Jiawei Su , Luis M. Pazos-Outón

The present work proposes a Deep Learning architecture for the prediction of various consumer choice behaviors from time series of raw gaze or eye fixations on images of the decision environment, for which currently no foundational models…

神经与进化计算 · 计算机科学 2025-08-07 Moshe Unger , Alexander Tuzhilin , Michel Wedel

Since first proposed, Video Instance Segmentation(VIS) task has attracted vast researchers' focus on architecture modeling to boost performance. Though great advances achieved in online and offline paradigms, there are still insufficient…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Wenhe Jia , Lu Yang , Zilong Jia , Wenyi Zhao , Yilin Zhou , Qing Song

Traffic forecasting requires modeling complex temporal dynamics and long-range spatial dependencies over large sensor networks. Existing methods typically face a trade-off between expressiveness and efficiency: Transformer-based models…

机器学习 · 计算机科学 2026-04-16 Xinjin Li , Jinghan Cao , Mengyue Wang , Yue Wu , Longxiang Yan , Yeyang Zhou , Ziqi Sha , Yu Ma

This paper studies the computational offloading of video action recognition in edge computing. To achieve effective semantic information extraction and compression, following semantic communication we propose a novel spatiotemporal…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Nan Li , Mehdi Bennis , Alexandros Iosifidis , Qi Zhang

The increasing accessibility and precision of Earth observation satellite data offers considerable opportunities for industrial and state actors alike. This calls however for efficient methods able to process time-series on a global scale.…

计算机视觉与模式识别 · 计算机科学 2020-07-09 Vivien Sainte Fare Garnot , Loic Landrieu

Deep learning has significantly improved time series classification, yet the lack of explainability in these models remains a major challenge. While Explainable AI (XAI) techniques aim to make model decisions more transparent, their…

机器学习 · 计算机科学 2026-02-16 Yannik Hahn , Antonin Königsfeld , Hasan Tercan , Tobias Meisen

Spatio-temporal data, prevalent in real-world applications such as traffic monitoring, financial transactions, and ride-share demands, represents a specialized case of multivariate time series characterized by high dimensionality. This high…

Video transformers have achieved impressive results on major video recognition benchmarks, which however suffer from high computational cost. In this paper, we present STTS, a token selection framework that dynamically selects a few…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Junke Wang , Xitong Yang , Hengduo Li , Li Liu , Zuxuan Wu , Yu-Gang Jiang

Transformers have become state-of-the-art (SOTA) for time-series classification, with models like PatchTST demonstrating exceptional performance. These models rely on patching the time series and learning relationships between raw temporal…

信号处理 · 电气工程与系统科学 2025-11-04 Huseyin Goksu

Variational Autoencoder (VAE) aims to compress pixel data into low-dimensional latent space, playing an important role in OpenAI's Sora and other latent video diffusion generation models. While most of existing video VAEs inflate a…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Pingyu Wu , Kai Zhu , Yu Liu , Liming Zhao , Wei Zhai , Yang Cao , Zheng-Jun Zha

Space-ground integrated networks hold great promise for providing global connectivity, particularly in remote areas where large amounts of valuable data are generated by Internet of Things (IoT) devices, but lacking terrestrial…

机器学习 · 计算机科学 2025-05-16 Jingyang Zhu , Yuanming Shi , Yong Zhou , Chunxiao Jiang , Linling Kuang

Environmental monitoring is crucial to our understanding of climate change, biodiversity loss and pollution. The availability of large-scale spatio-temporal data from sources such as sensors and satellites allows us to develop sophisticated…

Modeling spatiotemporal dynamical systems is a fundamental challenge in machine learning. Transformer models have been very successful in NLP and computer vision where they provide interpretable representations of data. However, a…

机器学习 · 计算机科学 2023-08-01 Antonio H. de O. Fonseca , Emanuele Zappala , Josue Ortega Caro , David van Dijk

Shapelets are phase independent subsequences designed for time series classification. We propose three adaptations to the Shapelet Transform (ST) to capture multivariate features in multivariate time series classification. We create a…

机器学习 · 计算机科学 2017-12-19 Aaron Bostrom , Anthony Bagnall

Multivariate Time Series (MTS) forecasting plays a vital role in a wide range of applications. Recently, Spatial-Temporal Graph Neural Networks (STGNNs) have become increasingly popular MTS forecasting methods due to their state-of-the-art…

机器学习 · 计算机科学 2022-08-22 Zezhi Shao , Zhao Zhang , Fei Wang , Wei Wei , Yongjun Xu

Topological Data Analysis (TDA) has emerged as a powerful tool for extracting meaningful features from complex data structures, driving significant advancements in fields such as neuroscience, biology, machine learning, and financial…

机器学习 · 计算机科学 2025-04-02 ZiXin Lin , Nur Fariha Syaqina Zulkepli

This article introduces novel and practicable Bayesian factor analysis frameworks that are computationally feasible for moderate to large spatiotemporal data. Previous Bayesian analysis of spatiotemporal data has utilized a Bayesian factor…

统计方法学 · 统计学 2025-02-18 Yifan Cheng , Cheng Li