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Asteroid exploration has been attracting more attention in recent years. Nevertheless, we have just visited tens of asteroids while we have discovered more than one million bodies. As our current observation and knowledge should be biased,…

Instrumentation and Methods for Astrophysics · Physics 2022-07-13 Naoya Ozaki , Kanta Yanagida , Takuya Chikazawa , Nishanth Pushparaj , Naoya Takeishi , Ryuki Hyodo

In this paper, we present an ultra lightweight system that can effectively recognize different circuit components in an image with very limited training data. Along with the system, we also release the data set we created for the task. A…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Yingnan Ju , Yue Chen

We report a detection of a faint near-Earth asteroid (NEA), which was done using our synthetic tracking technique and the CHIMERA instrument on the Palomar 200-inch telescope. This asteroid, with apparent magnitude of 23, was moving at 5.97…

Instrumentation and Methods for Astrophysics · Physics 2014-08-20 Chengxing Zhai , Michael Shao , Bijan Nemati , Thomas A. Werne , Hanying Zhou , Slava G. Turyshev , Jagmit Sandhu , Gregg W. Hallinan , Leon K. Harding

We have made an extensive search for grouping amongst the near Earth asteroids (NEAs). We used two D- functions and rigorous cluster analysis approach. We have found sev- eral new groups (associations) among the NEAs: the objects moving on…

Earth and Planetary Astrophysics · Physics 2020-03-04 Tadeusz J. Jopek

For reliable environment perception, the use of temporal information is essential in some situations. Especially for object detection, sometimes a situation can only be understood in the right perspective through temporal information. Since…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Michael Weber , Tassilo Wald , J. Marius Zöllner

Feature means countenance, remote sensing scene objects with similar characteristics, associated to interesting scene elements in the image formation process. They are classified into three types in image processing, that is low, middle and…

Computer Vision and Pattern Recognition · Computer Science 2013-07-18 T. Dharani , I. Laurence Aroquiaraj

There are thousands of asteroids in near-Earth space and millions in the Main Belt. They are diverse in physical properties and composition and are time capsules of the early solar system. This makes them strategic locations for planetary…

Robotics · Computer Science 2018-01-30 H. Kalita , S. Schwartz , E. Asphaug , J. Thangavelautham

This survey paper specially analyzed computer vision-based object detection challenges and solutions by different techniques. We mainly highlighted object detection by three different trending strategies, i.e., 1) domain adaptive deep…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Muhammed Muzammul , Xi Li

Semantic segmentation for extracting buildings and roads from uncrewed aerial vehicle (UAV) remote sensing images by deep learning becomes a more efficient and convenient method than traditional manual segmentation in surveying and mapping…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Xiaoxiang Han , Yiman Liu , Gang Liu , Yuanjie Lin , Qiaohong Liu

Recently, methods based on deep learning have been successfully applied to ship detection for synthetic aperture radar (SAR) images. Despite the development of numerous ship detection methodologies, detecting small and coastal ships remains…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Xiaolin Ma , Junkai Cheng , Aihua Li , Yuhua Zhang , Zhilong Lin

Recent interest in on-orbit servicing and Active Debris Removal (ADR) missions have driven the need for technologies to enable non-cooperative rendezvous manoeuvres. Such manoeuvres put heavy burden on the perception capabilities of a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Maxwell Hogan , Duarte Rondao , Nabil Aouf , Olivier Dubois-Matra

This paper studies a practically meaningful ship detection problem from synthetic aperture radar (SAR) images by the neural network. We broadly extract different types of SAR image features and raise the intriguing question that whether…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Yuwen Deng , Donghai Guan , Yanyu Chen , Weiwei Yuan , Jiemin Ji , Mingqiang Wei

Object Detection is critical for automatic military operations. However, the performance of current object detection algorithms is deficient in terms of the requirements in military scenarios. This is mainly because the object presence is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Shuo Liu , Zheng Liu

Visual attention brings significant progress for Convolution Neural Networks (CNNs) in various applications. In this paper, object-based attention in human visual cortex inspires us to introduce a mechanism for modification of activations…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Saeed Masoudnia , Melika Kheirieh , Abdol-Hossein Vahabie , Babak Nadjar Araabi

High contrast imaging searches for exoplanets have been conducted on 2.4-10 m telescopes, typically at H band (1.6 microns) and used exposure times of ~1 hr to search for planets with semi-major axes of > ~10 AU. We are beginning to plan…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 Jared R. Males , Andrew J. Skemer , Laird M. Close

Current methods aggregate multi-level features or introduce edge and skeleton to get more refined saliency maps. However, little attention is paid to how to obtain the complete salient object in cluttered background, where the targets are…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Ge Zhu , Jinbao Li , Yahong Guo

Asteroids with low orbital perihelion distances experience extreme heating from the Sun that can modify their surfaces and trigger non-typical activity mechanisms. These objects are generally difficult to observe from ground-based…

Earth and Planetary Astrophysics · Physics 2024-04-24 Joseph R. Masiero , Yuna G. Kwon , Dar W. Dahlen , Frank J. Masci , Amy K. Mainzer

The ability to accurately detect and classify objects at varying pixel sizes in cluttered scenes is crucial to many Navy applications. However, detection performance of existing state-of the-art approaches such as convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2017-08-28 JT Turner , Kalyan Moy Gupta , David Aha

Despite their successes in the field of self-learning AI, Convolutional Neural Networks (CNNs) suffer from having too many trainable parameters, impacting computational performance. Several approaches have been proposed to reduce the number…

Machine Learning · Computer Science 2019-02-28 Sebastiaan Koning , Caspar Greeven , Eric Postma

We publicly release ATM, a Python package designed to model asteroid flux measurements to estimate an asteroid's size, surface temperature distribution, and emissivity. The full multi-dimensional posterior pdf is found using Markov Chain…

Earth and Planetary Astrophysics · Physics 2019-05-09 Joachim Moeyens , Nathan Myhrvold , Željko Ivezić