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Aims. The treatment of astronomical image time series has won increasing attention in recent years. Indeed, numerous surveys following up on transient objects are in progress or under construction, such as the Vera Rubin Observatory Legacy…

天体物理仪器与方法 · 物理学 2023-05-24 Anass Bairouk , Marc Chaumont , Dominique Fouchez , Jerome Paquet , Frédéric Comby , Julian Bautista

Super-resolution aims at increasing image resolution by algorithmic means and has progressed over the recent years due to advances in the fields of computer vision and deep learning. Convolutional Neural Networks based on a variety of…

图像与视频处理 · 电气工程与系统科学 2020-08-11 M. U. Müller , N. Ekhtiari , R. M. Almeida , C. Rieke

The acquisition of high-resolution satellite imagery is often constrained by the spatial and temporal limitations of satellite sensors, as well as the high costs associated with frequent observations. These challenges hinder applications…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Luigi Sigillo , Renato Giamba , Danilo Comminiello

ESA's PROBA-V Earth observation satellite enables us to monitor our planet at a large scale, studying the interaction between vegetation and climate and provides guidance for important decisions on our common global future. However, the…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Marcus Märtens , Dario Izzo , Andrej Krzic , Daniël Cox

Time series data are often obtained only within a limited time range due to interruptions during observation process. To classify such partial time series, we need to account for 1) the variable-length data drawn from 2) different…

机器学习 · 计算机科学 2022-07-14 Azusa Sawada , Taiki Miyagawa , Akinori F. Ebihara , Shoji Yachida , Toshinori Hosoi

A novel and efficient end-to-end learning model for automatic modulation classification is proposed for wireless spectrum monitoring applications, which automatically learns from the time domain in-phase and quadrature data without…

信号处理 · 电气工程与系统科学 2021-01-21 Kaisheng Liao , Yaodong Zhao , Jie Gu , Yaping Zhang , Yi Zhong

This paper proposes a deep learning architecture based on Residual Network that dynamically adjusts the number of executed layers for the regions of the image. This architecture is end-to-end trainable, deterministic and problem-agnostic.…

计算机视觉与模式识别 · 计算机科学 2017-07-04 Michael Figurnov , Maxwell D. Collins , Yukun Zhu , Li Zhang , Jonathan Huang , Dmitry Vetrov , Ruslan Salakhutdinov

As the important component of the Earth observation system, hyperspectral imaging satellites provide high-fidelity and enriched information for the formulation of related policies due to the powerful spectral measurement capabilities.…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Li Fang , Tianyu Li , Yanghong Lin , Shudong Zhou , Wei Yao

This study proposes a new convolutional long short-term memory (ConvLSTM) based architecture for selection of elite pixels (i.e., less noisy) in time series interferometric synthetic aperture radar (TS-InSAR). The model utilizes the spatial…

信号处理 · 电气工程与系统科学 2025-02-03 Ashutosh Tiwari , Nitheshnirmal Sadhashivam , Leonard O. Ohenhen , Jonathan Lucy , Manoochehr Shirzaei

Acoustic scenes are rich and redundant in their content. In this work, we present a spatio-temporal attention pooling layer coupled with a convolutional recurrent neural network to learn from patterns that are discriminative while…

声音 · 计算机科学 2019-07-01 Huy Phan , Oliver Y. Chén , Lam Pham , Philipp Koch , Maarten De Vos , Ian McLoughlin , Alfred Mertins

Decoding human activity accurately from wearable sensors can aid in applications related to healthcare and context awareness. The present approaches in this domain use recurrent and/or convolutional models to capture the spatio-temporal…

人机交互 · 计算机科学 2020-12-21 Satya P. Singh , Aimé Lay-Ekuakille , Deepak Gangwar , Madan Kumar Sharma , Sukrit Gupta

While unsupervised change detection using contrastive learning has been significantly improved the performance of literature techniques, at present, it only focuses on the bi-temporal change detection scenario. Previous state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Yuxing Chen , Lorenzo Bruzzone

In this paper, we propose an encoder-decoder convolutional neural network (CNN) architecture for estimating camera pose (orientation and location) from a single RGB-image. The architecture has a hourglass shape consisting of a chain of…

计算机视觉与模式识别 · 计算机科学 2017-08-25 Iaroslav Melekhov , Juha Ylioinas , Juho Kannala , Esa Rahtu

Analyzing sequential data is crucial in many domains, particularly due to the abundance of data collected from the Internet of Things paradigm. Time series classification, the task of categorizing sequential data, has gained prominence,…

机器学习 · 计算机科学 2024-06-21 Venkata Ragavendra Vavilthota , Ranjith Ramanathan , Sathyanarayanan N. Aakur

The unprecedented availability of spatial and temporal high-resolution satellite image time series (SITS) for crop type mapping is believed to necessitate deep learning architectures to accommodate challenges arising from both dimensions.…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Xin Cai , Yaxin Bi , Peter Nicholl

There exists a correlation between geospatial activity temporal patterns and type of land use. A novel self-supervised approach is proposed to stratify landscape based on mobility activity time series. First, the time series signal is…

人工智能 · 计算机科学 2023-04-27 Yi Cao , Swetava Ganguli , Vipul Pandey

Time series classification problems exist in many fields and have been explored for a couple of decades. However, they still remain challenging, and their solutions need to be further improved for real-world applications in terms of both…

机器学习 · 计算机科学 2020-12-22 Zhenyu Liu , Jian Cheng

High-resolution satellite imagery has proven useful for a broad range of tasks, including measurement of global human population, local economic livelihoods, and biodiversity, among many others. Unfortunately, high-resolution imagery is…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Yutong He , Dingjie Wang , Nicholas Lai , William Zhang , Chenlin Meng , Marshall Burke , David B. Lobell , Stefano Ermon

Predicting salient regions in natural images requires the detection of objects that are present in a scene. To develop robust representations for this challenging task, high-level visual features at multiple spatial scales must be extracted…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Alexander Kroner , Mario Senden , Kurt Driessens , Rainer Goebel

Nowadays, modern Earth Observation systems continuously generate huge amounts of data. A notable example is represented by the Sentinel-2 mission, which provides images at high spatial resolution (up to 10m) with high temporal revisit…

计算机视觉与模式识别 · 计算机科学 2018-09-21 Roberto Interdonato , Dino Ienco , Raffaele Gaetano , Kenji Ose