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Accurate wetland mapping is essential for ecosystem monitoring, yet dense pixel-level annotation is prohibitively expensive and practical applications usually rely on sparse point labels, under which existing deep learning models perform…

计算机视觉与模式识别 · 计算机科学 2026-01-19 Shuai Yuan , Tianwu Lin , Shuang Chen , Yu Xia , Peng Qin , Xiangyu Liu , Xiaoqing Xu , Nan Xu , Hongsheng Zhang , Jie Wang , Peng Gong

Accurate representation of the multiscale features in spatiotemporal physical systems using vision transformer (ViT) architectures requires extremely long, computationally prohibitive token sequences. To address this issue, we propose two…

机器学习 · 计算机科学 2024-12-31 Pei Zhang , M. Paul Laiu , Matthew Norman , Doug Stefanski , John Gounley

Bridging the gap between data-rich training regimes and observation-sparse deployment conditions remains a central challenge in spatiotemporal field reconstruction, particularly when target domains exhibit distributional shifts,…

机器学习 · 计算机科学 2026-01-30 Xingyue Zhang , Yuxuan Bao , Mars Liyao Gao , J. Nathan Kutz

Precise, pixel-wise geolocalization of astronaut photography is critical to unlocking the potential of this unique type of remotely sensed Earth data, particularly for its use in disaster management and climate change research. Recent works…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Gabriele Berton , Gabriele Goletto , Gabriele Trivigno , Alex Stoken , Barbara Caputo , Carlo Masone

Change detection, i.e. identification per pixel of changes for some classes of interest from a set of bi-temporal co-registered images, is a fundamental task in the field of remote sensing. It remains challenging due to unrelated forms of…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Foivos I. Diakogiannis , François Waldner , Peter Caccetta

Due to their unsupervised training and uncertainty estimation, deep Variational Autoencoders (VAEs) have become powerful tools for reconstruction-based Time Series Anomaly Detection (TSAD). Existing VAE-based TSAD methods, either…

机器学习 · 计算机科学 2024-01-09 Zhangkai Wu , Longbing Cao , Qi Zhang , Junxian Zhou , Hui Chen

Purpose: This study demonstrates a proof of concept of a method for simultaneous anatomical imaging and real-time (SMART) passive device tracking for MR-guided interventions. Methods: Phase Correlation template matching was combined with a…

医学物理 · 物理学 2019-08-29 Frank Zijlstra , Max A. Viergever , Peter R. Seevinck

In many rural areas of low- and middle-income countries, weekly gatherings of buyers and sellers are the most tangible manifestation of the market economy. Knowing these markets' whereabouts and activity over time could provide insights in…

综合经济学 · 经济学 2026-01-12 Tillmann von Carnap , Reza M. Asiyabi , Paul Dingus , Anna Tompsett

Weakly supervised video anomaly detection (WS-VAD) is a crucial area in computer vision for developing intelligent surveillance systems. This system uses three feature streams: RGB video, optical flow, and audio signals, where each stream…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Yuta Kaneko , Abu Saleh Musa Miah , Najmul Hassan , Hyoun-Sup Lee , Si-Woong Jang , Jungpil Shin

With the continuous advancement of human exploration into deep space, intelligent perception and high-precision segmentation technology for on-orbit multi-spacecraft targets have become critical factors for ensuring the success of modern…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Hao Liu , Pengyu Guo , Siyuan Yang , Zeqing Jiang , Qinglei Hu , Dongyu Li

Earth observation (EO) satellites produce massive streams of multispectral image time series, posing pressing challenges for storage and transmission. Yet, learned EO compression remains fragmented and lacks publicly available, large-scale…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Julen Costa-Watanabe , Isabelle Wittmann , Benedikt Blumenstiel , Konrad Schindler

Climate change has led to an increased frequency of natural disasters such as floods and cyclones. This emphasizes the importance of effective disaster monitoring. In response, the remote sensing community has explored change detection…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Youngtack Oh , Minseok Seo , Doyi Kim , Junghoon Seo

We propose a scalable, provably accurate method for localizing an unknown number of multiple axis-aligned anomalous patches in spatial data under a general class of spatial dependence. Motivated by the practical need to detect localized…

统计方法学 · 统计学 2026-03-31 Soham Bonnerjee , Sayar Karmakar , George Michailidis

Fault detection is crucial in industrial systems to prevent failures and optimize performance by distinguishing abnormal from normal operating conditions. Data-driven methods have been gaining popularity for fault detection tasks as the…

机器学习 · 计算机科学 2024-06-12 Han Sun , Kevin Ammann , Stylianos Giannoulakis , Olga Fink

Diffusion Transformers (DiTs) power high-fidelity video world models but remain computationally expensive due to sequential denoising and costly spatio-temporal attention. Training-free feature caching accelerates inference by reusing…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Umair Nawaz , Ahmed Heakl , Ufaq Khan , Abdelrahman Shaker , Salman Khan , Fahad Shahbaz Khan

Eye-tracking is a vital technology for human-computer interaction, especially in wearable devices such as AR, VR, and XR. The realization of high-speed and high-precision eye-tracking using frame-based image sensors is constrained by their…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Hongwei Ren , Xiaopeng Lin , Hongxiang Huang , Yue Zhou , Bojun Cheng

This paper introduces new methodology based on the field of Topological Data Analysis for detecting anomalies in multivariate time series, that aims to detect global changes in the dependency structure between channels. The proposed…

统计理论 · 数学 2024-06-11 Frédéric Chazal , Martin Royer , Clément Levrard

We present TRACE, a mesh-guided 3DGS editing framework that achieves automated, high-fidelity scene transformation. By anchoring video diffusion with explicit 3D geometry, TRACE uniquely enables fine-grained, part-level manipulatio--such as…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Jiyuan Hu , Zechuan Zhang , Zongxin Yang , Yi Yang

Weakly Supervised Anomaly detection (WSAD) in brain MRI scans is an important challenge useful to obtain quick and accurate detection of brain anomalies when precise pixel-level anomaly annotations are unavailable and only weak labels…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Bheeshm Sharma , Karthikeyan Jaganathan , Balamurugan Palaniappan

We introduce a self-supervised representation learning method based on the task of temporal alignment between videos. The method trains a network using temporal cycle consistency (TCC), a differentiable cycle-consistency loss that can be…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Debidatta Dwibedi , Yusuf Aytar , Jonathan Tompson , Pierre Sermanet , Andrew Zisserman