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Cosmic shear is a primary cosmological probe for several present and upcoming surveys investigating dark matter and dark energy, such as Euclid or WFIRST. The probe requires an extremely accurate measurement of the shapes of millions of…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-04 Malte Tewes , Thibault Kuntzer , Reiko Nakajima , Frédéric Courbin , Hendrik Hildebrandt , Tim Schrabback

Detection of small-sized targets is of paramount importance in many aerial vision-based applications. The commonly deployed low cost unmanned aerial vehicles (UAVs) for aerial scene analysis are highly resource constrained in nature. In…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Murari Mandal , Manal Shah , Prashant Meena , Santosh Kumar Vipparthi

Early and reliable detection of gear faults in complex drivetrain systems is critical for aviation safety and operational availability. We present the Local Damage Mode Extractor (LDME), a structured, physics-informed signal processing…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Yaakoub Berrouche

Space debris and inactive satellites pose a threat to the safety and integrity of operational spacecraft and motivate the need for space situational awareness techniques. These uncooperative targets create a challenging tracking and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Hannah Grauer , Elena-Sorina Lupu , Connor Lee , Soon-Jo Chung , Darren Rowen , Benjamen Bycroft , Phaedrus Leeds , John Brader

In this work, we compare the detection accuracy and speed of several state-of-the-art models for the task of detecting oil and gas fracking wells and small cars in commercial electro-optical satellite imagery. Several models are studied…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Austen Groener , Gary Chern , Mark Pritt

Texts on the intelligent transportation scene include mass information. Fully harnessing this information is one of the critical drivers for advancing intelligent transportation. Unlike the general scene, detecting text in transportation…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Xu Han , Junyu Gao , Chuang Yang , Yuan Yuan , Qi Wang

The irregular contour representation is one of the tough challenges in scene text detection. Although segmentation-based methods have achieved significant progress with the help of flexible pixel prediction, the overlap of geographically…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Xu Han , Junyu Gao , Chuang Yang , Yuan Yuan , Qi Wang

Video salient object detection aims to find the most visually distinctive objects in a video. To explore the temporal dependencies, existing methods usually resort to recurrent neural networks or optical flow. However, these approaches…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Yi-Wen Chen , Xiaojie Jin , Xiaohui Shen , Ming-Hsuan Yang

High-contrast imaging (HCI) is one of the most challenging techniques for exoplanet detection. It relies on sophisticated data processing to reach high contrasts at small angular separations. Most data processing techniques of this type are…

Instrumentation and Methods for Astrophysics · Physics 2021-02-10 Carl-Henrik Dahlqvist , Olivier Absil

Radio Frequency Interference (RFI) from anthropogenic radio sources poses significant challenges to current and future radio telescopes. Contemporary approaches to detecting RFI treat the task as a semantic segmentation problem on radio…

Neural and Evolutionary Computing · Computer Science 2026-01-23 Nicholas J Pritchard , Andreas Wicenec , Mohammed Bennamoun , Richard Dodson

Local spectral similarity (LSS) algorithm has been developed for detecting homogeneous areas and edges in hyperspectral images (HSIs). The proposed algorithm transforms the 3-D data cube (within a spatial window) into a spectral similarity…

Computer Vision and Pattern Recognition · Computer Science 2019-11-07 Anand S Sahadevan , Arundhati Misra , Praveen Gupta

Lane detection is a crucial perception task for all levels of automated vehicles (AVs) and Advanced Driver Assistance Systems, particularly in mixed-traffic environments where AVs must interact with human-driven vehicles (HDVs) and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Sandeep Patil , Yongqi Dong , Haneen Farah , Hans Hellendoorn

Galaxy-scale strong gravitational lenses are valuable objects for a variety of astrophysical and cosmological applications. Strong lensing galaxies are rare, so efficient search methods, such as convolutional neural networks, are often used…

Astrophysics of Galaxies · Physics 2025-02-17 Yuichiro Ishida , Kenneth C. Wong , Anton T. Jaelani , Anupreeta More

In this work, we address the problem of outlier detection for robust motion estimation by using modern sparse-low-rank decompositions, i.e., Robust PCA-like methods, to impose global rank constraints. Robust decompositions have shown to be…

Computer Vision and Pattern Recognition · Computer Science 2014-10-23 German Ros , Jose Alvarez , Julio Guerrero

Spacecraft faces various situations when carrying out exploration missions in complex space, thus monitoring the anomaly status of spacecraft is crucial to the development of \textcolor{blue}{the} aerospace industry. The time series…

Machine Learning · Computer Science 2023-03-14 Liang Liu , Ling Tian , Zhao Kang , Tianqi Wan

The precise knowledge of the positions of space debris objects and in particular of defunct satellites is fundamental for satellite operations. Several studies showed that it is possible to improve the accuracy of the orbit determination…

Earth and Planetary Astrophysics · Physics 2019-03-04 E. Cordelli , P. Schlatter , P. Lauber , T. Schildknecht

Many computer vision problems (e.g., camera calibration, image alignment, structure from motion) are solved with nonlinear optimization methods. It is generally accepted that second order descent methods are the most robust, fast, and…

Computer Vision and Pattern Recognition · Computer Science 2014-05-06 Xuehan Xiong , Fernando De la Torre

This paper describes an optimized single-stage deep convolutional neural network to detect objects in urban environments, using nothing more than point cloud data. This feature enables our method to work regardless the time of the day and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Kazuki Minemura , Hengfui Liau , Abraham Monrroy , Shinpei Kato

Typically, the detection of marine debris relies on in-situ campaigns that are characterized by huge human effort and limited spatial coverage. Following the need of a rapid solution for the detection of floating plastic, methods based on…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Muhammad Alì , Francesca Razzano , Sergio Vitale , Giampaolo Ferraioli , Vito Pascazio , Gilda Schirinzi , Silvia Ullo

Structured output support vector machine (SVM) based tracking algorithms have shown favorable performance recently. Nonetheless, the time-consuming candidate sampling and complex optimization limit their real-time applications. In this…

Computer Vision and Pattern Recognition · Computer Science 2017-03-21 Mengmeng Wang , Yong Liu , Zeyi Huang