English
Related papers

Related papers: Automated Detection and Tracking of Solar Magnetic…

200 papers

Lighthouses play a crucial role in ensuring maritime safety by signaling hazardous areas such as dangerous coastlines, shoals, reefs, and rocks, along with aiding harbor entries and aerial navigation. This is achieved through the use of…

Machine Learning · Computer Science 2024-09-10 Michael Kampouridis , Nikolaos Vastardis , George Rayment

We present a method to measure the small-scale matter power spectrum using high-resolution measurements of the gravitational lensing of the Cosmic Microwave Background (CMB). To determine whether small-scale structure today is suppressed on…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-16 Ho Nam Nguyen , Neelima Sehgal , Mathew Madhavacheril

We consider the possibility of detecting and tracking the hypothesized Planet 9 or other unknown planetary-mass distant solar system members, generically called Planet X, with a combination of CMB and optical imaging surveys. Planets are…

Earth and Planetary Astrophysics · Physics 2018-12-21 Eric J. Baxter , Bhuvnesh Jain , Cullen Blake , Gary Bernstein , Mark Devlin , Gil Holder

The HST snapshot imaging survey of 110 BL Lac objects (Urry et al. 2000) has clearly shown that the host galaxies are massive and luminous ellipticals. The dispersion of the absolute magnitudes is sufficiently small, so that the measurement…

Astrophysics · Physics 2009-11-13 B. Sbarufatti , A. Treves , R. Falomo

Rare extragalactic objects can carry substantial information about the past, present, and future universe. Given the size of astronomical databases in the information era it can be assumed that very many outlier galaxies are included in…

Astrophysics of Galaxies · Physics 2021-01-13 Lior Shamir

Microlensing is the most promising method to study the statistical frequency of extra-solar planets orbiting typical (random) stars in the Milky Way, even those several kiloparsecs from Earth. The lensing zone corresponds to orbital…

Astrophysics · Physics 2009-09-25 Penny D. Sackett

Neural networks as well as other methods of machine learning (ML) are known to be highly efficient in different classification tasks, including classification of images and videos. Mini- EUSO is a wide-field-of-view imaging telescope that…

Reliable perception of targets is crucial for the stable operation of autonomous robots. A widely preferred method is keypoint identification in an image, as it allows direct mapping from raw images to 2D coordinates, facilitating…

Robotics · Computer Science 2024-10-02 Taewook Park , Seunghwan Kim , Hyondong Oh

New micro-satellite constellations enable unprecedented systematic monitoring applications thanks to their wide coverage and short revisit capabilities. However, the large volumes of images that they produce have uneven qualities, creating…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Jérémy Anger , Carlo de Franchis , Gabriele Facciolo

One of the central problems in computer vision is the detection of semantically important objects and the estimation of their pose. Most of the work in object detection has been based on single image processing and its performance is…

Robotics · Computer Science 2013-09-24 Nikolay Atanasov , Bharath Sankaran , Jerome Le Ny , George J. Pappas , Kostas Daniilidis

We analyze the temporal behavior of Network Bright Points (NBPs), present in the solar atmosphere, using a set of data acquired during coordinated observations between ground-based observatories (mainly at the NSO/Sacramento Peak) and the…

Astrophysics · Physics 2007-05-23 G. Cauzzi , A. Falchi , R. Falciani

Current dark matter detection strategies are based on the assumption that the dark matter is a gas of non-interacting particles with a reasonably large number density. This picture is dramatically altered if there are significant self…

High Energy Physics - Phenomenology · Physics 2018-12-19 Dorota M Grabowska , Tom Melia , Surjeet Rajendran

This paper introduces a novel weighted unsupervised learning for object detection using an RGB-D camera. This technique is feasible for detecting the moving objects in the noisy environments that are captured by an RGB-D camera. The main…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Kamran Kowsari , Manal H. Alassaf

There are several networks of precision quantum sensors in existence, including networks of atomic clocks, magnetometers, and gravitational wave detectors. These networks can be re-purposed for searches of exotic physics, such as direct…

Instrumentation and Methods for Astrophysics · Physics 2020-08-18 Guglielmo Panelli , Benjamin M. Roberts , Andrei Derevianko

Early object detection (OD) is a crucial task for the safety of many dynamic systems. Current OD algorithms have limited success for small objects at a long distance. To improve the accuracy and efficiency of such a task, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Tianyi Zhang , Kishore Kasichainula , Yaoxin Zhuo , Baoxin Li , Jae-Sun Seo , Yu Cao

We introduce Constellation, a dataset of 13K images suitable for research on detection of objects in dense urban streetscapes observed from high-elevation cameras, collected for a variety of temporal conditions. The dataset addresses the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Mehmet Kerem Turkcan , Sanjeev Narasimhan , Chengbo Zang , Gyung Hyun Je , Bo Yu , Mahshid Ghasemi , Javad Ghaderi , Gil Zussman , Zoran Kostic

The recent advent of deep artificial neural networks has resulted in a dramatic increase in performance for object classification and detection. While pre-trained with everyday objects, we find that a state-of-the-art object detection…

Plasma Physics · Physics 2022-10-07 Jinpu Lin , Florian Haberstroh , Stefan Karsch , Andreas Döpp

Detecting compact objects by means of their gravitational lensing effect on an observed companion in a binary system has already been suggested almost four decades ago. However, these predictions were made even before the first observations…

Solar and Stellar Astrophysics · Physics 2015-05-19 S. Rahvar , A. Mehrabi , M. Dominik

This paper presents an new approach for detecting in the electrical power system of satellites operating in Low Earth Orbit (LEO) without an Attitude Determination and Control Subsystem (ADCS). Components of these systems are prone to…

Systems and Control · Electrical Eng. & Systems 2025-07-21 Niloofar Nobahari , Alireza Rezaee

The vast number of existing IP cameras in current road networks is an opportunity to take advantage of the captured data and analyze the video and detect any significant events. For this purpose, it is necessary to detect moving vehicles, a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Iván García , Rafael Marcos Luque , Ezequiel López