English
Related papers

Related papers: Space-Time Projection Optical Tomography: Search S…

200 papers

To autonomously navigate in real-world environments, special in search and rescue operations, Unmanned Aerial Vehicles (UAVs) necessitate comprehensive maps to ensure safety. However, the prevalent metric map often lacks semantic…

Robotics · Computer Science 2024-01-17 Thanh Nguyen Canh , Armagan Elibol , Nak Young Chong , Xiem HoangVan

Digital co-addition of astronomical images is a common technique for increasing signal-to-noise and image depth. A modification of this simple technique has been applied to the detection of minor bodies in the Solar System: first stationary…

Earth and Planetary Astrophysics · Physics 2015-05-18 Alex H. Parker , JJ. Kavelaars

Optical projection tomography (OPT) is a powerful tool for biomedical studies. It achieves 3D visualization of mesoscopic biological samples with high spatial resolution using conventional tomographic-reconstruction algorithms. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Yan Liu , Jonathan Dong , Thanh-An Pham , Francois Marelli , Michael Unser

Orbit-determination programs find the orbit solution that best fits a set of observations by minimizing the RMS of the residuals of the fit. For near-Earth asteroids, the uncertainty of the orbit solution may be compatible with trajectories…

Earth and Planetary Astrophysics · Physics 2021-08-09 Javier Roa , Davide Farnocchia , Steven R. Chesley

We describe systematic ranging, an orbit determination technique especially suitable to assess the near-term Earth impact hazard posed by newly discovered asteroids. For these late warning cases, the time interval covered by the…

Earth and Planetary Astrophysics · Physics 2015-07-15 D. Farnocchia , S. R. Chesley , M. Micheli

Moving objects leave extended tracks in optical images acquired with a telescope that is tracking stars or other targets. By searching images for these tracks, one can obtain statistics on populations of space debris in Earth orbit. The…

Space Physics · Physics 2018-11-14 P. Hickson

Region-based methods have become increasingly popular for model-based, monocular 3D tracking of texture-less objects in cluttered scenes. However, while they achieve state-of-the-art results, most methods are computationally expensive,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Manuel Stoiber , Martin Pfanne , Klaus H. Strobl , Rudolph Triebel , Alin Albu-Schäffer

The nature and physical properties of asteroids, in particular those orbiting in the near-Earth space, are of scientific interest and practical importance. Exoplanet surveys can be excellent resources to detect asteroids, both already known…

Earth and Planetary Astrophysics · Physics 2020-01-08 M. Cortés-Contreras , F. M. Jiménez-Esteban , M. Mahlke , E. Solano , J. Ďurech , S. Barceló Forteza , C. Rodrigo , A. Velasco , B. Carry

Transformation and detection of photons in higher-order spatial modes usually requires complicated holographic techniques. Detectors based on spatial holograms suffer from non-idealities and should be carefully calibrated. We report a novel…

Quantum Physics · Physics 2015-06-23 Ivan Bobrov , Egor Kovlakov , Anton Markov , Stanislav Straupe , Sergey Kulik

Validation of newly developed optical tissue sensing techniques for tumor detection during cancer surgery requires an accurate correlation with histological results. Additionally, such accurate correlation facilitates precise data labeling…

Image and Video Processing · Electrical Eng. & Systems 2023-11-23 Lianne Feenstra , Stefan D. van der Stel , Marcos Da Silva Guimaraes , Theo J. M Ruers , Behdad Dashtbozorg

Multiple Object Tracking (MOT) focuses on modeling the relationship of detected objects among consecutive frames and merge them into different trajectories. MOT remains a challenging task as noisy and confusing detection results often…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Tao Wang , Kean Chen , Weiyao Lin , John See , Zenghui Zhang , Qian Xu , Xia Jia

Received signal strength based radio tomographic imaging is a popular device-free indoor localization method which reconstructs the spatial loss field of the environment using measurements from a dense wireless network. Existing methods…

Emerging Technologies · Computer Science 2016-04-12 Hüseyin Yiğitler , Riku Jäntti , Ossi Kaltiokallio , Neal Patwari

The detection and tracking of small targets in passive optical remote sensing (PORS) has broad applications. However, most of the previously proposed methods seldom utilize the abundant temporal features formed by target motion, resulting…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Weihua Gao , Wenlong Niu , Wenlong Lu , Pengcheng Wang , Zhaoyuan Qi , Xiaodong Peng , Zhen Yang

3D multi-object tracking aims to uniquely and consistently identify all mobile entities through time. Despite the rich spatiotemporal information available in this setting, current 3D tracking methods primarily rely on abstracted…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Colton Stearns , Davis Rempe , Jie Li , Rares Ambrus , Sergey Zakharov , Vitor Guizilini , Yanchao Yang , Leonidas J Guibas

The development of robust, real-time optical methods for the detection and tracking of particles in complex multiple scattering media is a problem of practical importance in a number of fields, including environmental monitoring, air…

Optics · Physics 2025-02-04 Mohammadrasoul Taghavi , Edwin A. Marengo

Given a set of astrometric observations of the same object, the problem of orbit determination is to compute the orbit and to assess its uncertainty and reliability. For the next generation surveys, with much larger number density of…

Automated 3D pose estimation of satellites and other known space objects is a critical component of space situational awareness. Ground-based imagery offers a convenient data source for satellite characterization; however, analysis…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Maxim Bazik , Brien Flewelling , Manoranjan Majji , Joseph Mundy

The integration of a SLAM algorithm with place recognition technology empowers it with the ability to mitigate accumulated errors and to relocalize itself. However, existing methods for point cloud-based place recognition predominantly rely…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Haodong Yuan , Yudong Zhang , Shengyin Fan , Xue Li , Jian Wang

With the boost in the number of spacecraft launches in the current decades, the space debris problem is daily becoming significantly crucial. For sustainable space utilization, the continuous removal of space debris is the most severe…

Robotics · Computer Science 2024-08-05 Kentaro Uno , Takehiro Matsuoka , Akiyoshi Uchida , Kazuya Yoshida

Optical observation through sub-meter telescope equipped with CCD camera becomes alternative method for increasing orbital debris detection and surveillance. This observational mode is expected to eye medium-sized objects in higher orbits…

Instrumentation and Methods for Astrophysics · Physics 2015-10-28 R. Priyatikanto , B. Religia , A. Rachman , T. Dani