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Temporal sentence grounding (TSG) aims to localize the temporal segment which is semantically aligned with a natural language query in an untrimmed video.Most existing methods extract frame-grained features or object-grained features by 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Zeyu Xiong , Daizong Liu , Pan Zhou , Jiahao Zhu

Evolving data streams induce joint nonstationarity in continual semantic segmentation, where semantic classes, input distributions, and supervision availability change simultaneously over time. This setting reflects practical structured…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Prashant Pandey , Himanshu Kumar , Devineni Sri Venkatraya Chowdary , Brejesh Lall

With the rapid development of AIGC technologies, generative image steganography has attracted increasing attention due to its high imperceptibility and flexibility. However, existing generative steganography methods often maintain…

Cryptography and Security · Computer Science 2026-02-03 Yuhao Xue , Jiuan Zhou , Yu Cheng , Zhaoxia Yin

In this paper, we present an approach for dynamic exploration and mapping of unknown environments using a swarm of biobotic sensing agents, with a stochastic natural motion model and a leading agent (e.g., an unmanned aerial vehicle). The…

Robotics · Computer Science 2015-10-01 Alireza Dirafzoon , Alper Bozkurt , Edgar Lobaton

Representation learning models for graphs are a successful family of techniques that project nodes into feature spaces that can be exploited by other machine learning algorithms. Since many real-world networks are inherently dynamic, with…

Machine Learning · Computer Science 2020-06-26 Simone Piaggesi , André Panisson

Generative adversarial network (GAN) has been shown to be useful in various applications, such as image recognition, text processing and scientific computing, due its strong ability to learn complex data distributions. In this study, a…

Geophysics · Physics 2021-09-14 Tianhao He , Dongxiao Zhang

Many tasks in graph machine learning, such as link prediction and node classification, are typically solved by using representation learning, in which each node or edge in the network is encoded via an embedding. Though there exists a lot…

Earth observation offers new insight into anthropogenic changes to nature, and how these changes are effecting (and are effected by) the built environment and the real economy. With the global availability of medium-resolution (10-30m)…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Lucas Kruitwagen

Semi-supervised graph anomaly detection (GAD) has recently received increasing attention, which aims to distinguish anomalous patterns from graphs under the guidance of a moderate amount of labeled data and a large volume of unlabeled data.…

Machine Learning · Computer Science 2025-03-18 Jiazhen Chen , Sichao Fu , Zheng Ma , Mingbin Feng , Tony S. Wirjanto , Qinmu Peng

Spatially resolved transcriptomics is a fast-developing set of technologies that enables the measurement of localized gene expression across spatial locations in a sample. Detecting spatially varying genes is critical for analyzing such…

Applications · Statistics 2026-04-22 Pritam Dey , Rajarshi Guhaniyogi , Yang Ni , Bani K. Mallick

Semantic segmentation is a crucial step in many Earth observation tasks. Large quantity of pixel-level annotation is required to train deep networks for semantic segmentation. Earth observation techniques are applied to varieties of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Sudipan Saha , Lichao Mou , Muhammad Shahzad , Xiao Xiang Zhu

A key challenge of supervised learning is the availability of human-labeled data. We evaluate a big data processing pipeline to auto-generate labels for remote sensing data. It is based on rasterized statistical features extracted from…

Image and Video Processing · Electrical Eng. & Systems 2022-02-02 Conrad M Albrecht , Fernando Marianno , Levente J Klein

Using an amalgamation of techniques from classical radar, computer vision, and deep learning, we characterize our ongoing data-driven approach to space-time adaptive processing (STAP) radar. We generate a rich example dataset of received…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Shyam Venkatasubramanian , Chayut Wongkamthong , Mohammadreza Soltani , Bosung Kang , Sandeep Gogineni , Ali Pezeshki , Muralidhar Rangaswamy , Vahid Tarokh

Accurately mapping large-scale cropland is crucial for agricultural production management and planning. Currently, the combination of remote sensing data and deep learning techniques has shown outstanding performance in cropland mapping.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Yuze Wang , Aoran Hu , Ji Qi , Yang Liu , Chao Tao

Multivariate time-series data in numerous real-world applications (e.g., healthcare and industry) are informative but challenging due to the lack of labels and high dimensionality. Recent studies in self-supervised learning have shown their…

Machine Learning · Computer Science 2024-07-18 Ching Chang , Chiao-Tung Chan , Wei-Yao Wang , Wen-Chih Peng , Tien-Fu Chen

Temporal graph representation learning aims to generate low-dimensional dynamic node embeddings to capture temporal information as well as structural and property information. Current representation learning methods for temporal networks…

Machine Learning · Computer Science 2023-11-08 Hongjiang Chen , Pengfei Jiao , Huijun Tang , Huaming Wu

Modeling the evolution of system with time-series data is a challenging and critical task in a wide range of fields, especially when the time-series data is regularly sampled and partially observable. Some methods have been proposed to…

Machine Learning · Computer Science 2024-12-03 Mengbang Zou , Weisi Guo

Recently, self-supervised learning has proved to be effective to learn representations of events suitable for temporal segmentation in image sequences, where events are understood as sets of temporally adjacent images that are semantically…

Machine Learning · Computer Science 2020-12-11 Mariella Dimiccoli , Herwig Wendt

Time-series anomaly detection (TSAD) is critical in domains such as industrial monitoring, healthcare, and cybersecurity, but it remains challenging due to rare and heterogeneous anomalies and the scarcity of labelled data. This scarcity…

Machine Learning · Computer Science 2026-05-05 Romain Hermary , Samet Hicsonmez , Dan Pineau , Abd El Rahman Shabayek , Djamila Aouada

Topology-consistent dynamic model sequences are essential for applications such as animation and model editing. However, existing 4D reconstruction methods face challenges in generating high-quality topology-consistent meshes. To address…

Graphics · Computer Science 2025-12-02 Hanzhi Guo , Dongdong Weng , Mo Su , Yixiao Chen , Xiaonuo Dongye , Chenyu Xu