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Limbed climbing robots are designed to explore challenging vertical walls, such as the skylights of the Moon and Mars. In such robots, the primary role of a hand-eye camera is to accurately estimate 3D positions of graspable points (i.e.,…

Robotics · Computer Science 2025-11-11 Taku Okawara , Ryo Nishibe , Mao Kasano , Kentaro Uno , Kazuya Yoshida

On 3D imaging, light field cameras typically are of single shot, and however, they heavily suffer from low spatial resolution and depth accuracy. In this paper, by employing an optical projector to project a group of single high-frequency…

Image and Video Processing · Electrical Eng. & Systems 2024-04-11 Geyou Zhang , Ce Zhu , Kai Liu , Yipeng Liu

The hard x-ray (10-600 keV) sky is inherently time variable and yet has neither been surveyed nor monitored with a sensitive imaging telescope. The Energetic X-ray Imaging Survey Telescope (EXIST) is a mission concept, proposed for MIDEX,…

An all-spherical catadioptic telescope with the angular field of view of several tens of degrees in diameter and spherical focal surface is proposed for the monitoring of large sky areas. We provide a few examples of such a system with the…

Instrumentation and Methods for Astrophysics · Physics 2016-07-20 V. Yu. Terebizh

We introduce a new technique for imaging the polarized radio sky using interferometric data. The new approach, which we call Faraday synthesis, combines aperture and rotation measure synthesis imaging and deconvolution into a single…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 M. R. Bell , T. A. Enßlin

Aiming at automatic, convenient and non-instrusive motion capture, this paper presents a new generation markerless motion capture technique, the FlyCap system, to capture surface motions of moving characters using multiple autonomous flying…

Computer Vision and Pattern Recognition · Computer Science 2016-11-30 Lan Xu , Lu Fang , Wei Cheng , Kaiwen Guo , Guyue Zhou , Qionghai Dai , Yebin Liu

As UAV technology improves, more uses have been found for these versatile autonomous vehicles, from surveillance to aerial photography, to package delivery, and each of these applications poses unique challenges. This paper implements a…

Robotics · Computer Science 2022-09-30 Adarsh Salagame , Sushant Govindraj , S. N. Omkar

Eye tracking has been found to be useful in various tasks including diagnostic and screening tools. However, traditional eye trackers had a complicated setup and operated at a higher frequency to measure eye movements. The use of more…

Human-Computer Interaction · Computer Science 2025-03-13 Teran Bukenberger , Brent Davis

Bird's Eye View (BEV) representations are tremendously useful for perception-related automated driving tasks. However, generating BEVs from surround-view fisheye camera images is challenging due to the strong distortions introduced by such…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Ekta U. Samani , Feng Tao , Harshavardhan R. Dasari , Sihao Ding , Ashis G. Banerjee

The paper discusses a novel vision-based estimation and control approach to enable fully autonomous tracking and landing of vertical take-off and landing (VTOL) capable unmanned aerial vehicles (UAVs) on moving platforms without relying on…

Robotics · Computer Science 2020-08-18 Bochan Lee , Vishnu Saj , Moble Benedict , Dileep Kalathil

SkyMapper is amongst the first of a new generation of dedicated, wide-field survey telescopes. The 1.3m SkyMapper telescope features a 5.7 square degree field-of-view Cassegrain imager and will see first light in late 2007. The primary goal…

Astrophysics · Physics 2015-05-13 S. C. Keller , B. P. Schmidt , M. S Bessell

The past few years have witnessed the burst of drone-based applications where computer vision plays an essential role. However, most public drone-based vision datasets focus on detection and tracking. On the other hand, the performance of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Xiaoyu Lin

This paper introduces SHIELD, a Spherical-Projection Hybrid-Frontier Integration for Efficient LiDAR-based Drone exploration method. Although laser LiDAR offers the advantage of a wide field of view, its application in UAV exploration still…

Robotics · Computer Science 2026-01-01 Liangtao Feng , Zhenchang Liu , Feng Zhang , Xuefeng Ren

Measuring the brightness of the night sky has become an increasingly important topic in recent years, as artificial lights and their scattering by the Earths atmosphere continue spreading around the globe. Several instruments and techniques…

The DragonCam Microscopic Camera is an instrument being developed for NASA's Dragonfly mission [1] to Saturn's moon Titan. The Microscopic Camera will be body-fixed to the Dragonfly vehicle and will image the surface at a distance of about…

Instrumentation and Methods for Astrophysics · Physics 2026-01-21 M. J. Clark , M. A. Ravine , M. A. Caplinger , B. A. Lindenfeld , J. D. Laramee , R. S. Bronson , A. D. Giglio , B. G. Crowther

We developed, characterized, and verified an alignment procedure for the DESHIMA 2.0 instrument, an ultra wide-band spectrometer operating between 200--400 GHz, at the ASTE telescope. To this end, we mounted the warm optics, consisting of a…

We propose a novel external indoor positioning system that computes the position and orientation of multiple model-scale vehicles. For this purpose, we use a camera mounted at a height of 3.3m and LEDs attached to each vehicle. We reach an…

Multiagent Systems · Computer Science 2020-05-27 Maximilian Kloock , Patrick Scheffe , Isabelle Tülleners , Janis Maczijewski , Stefan Kowalewski , Bassam Alrifaee

Purpose. This paper explores the capability of smartphones as computing devices for a quadcopter, specifically in terms of the ability of drones to maintain a position known as the position hold function. Image processing can be performed…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Noel P. Caliston , Chris Jordan G. Aliac , James Arnold E. Nogra

Bird's Eye View (BEV) map prediction is essential for downstream autonomous driving tasks like trajectory prediction. In the past, this was accomplished through the use of a sophisticated sensor configuration that captured a surround view…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Daniel Busch , Ido Freeman , Richard Meyes , Tobias Meisen

We propose TRADE for robust tracking and 3D localization of a moving target in cluttered environments, from UAVs equipped with a single camera. Ultimately TRADE enables 3d-aware target following. Tracking-by-detection approaches are…

Robotics · Computer Science 2022-10-10 Pedro F. Proença , Patrick Spieler , Robert A. Hewitt , Jeff Delaune