Vector-based navigation using grid-like representations in artificial agents
Sign Up to like & getrecommendations! Published in 2018 at "Nature"
DOI: 10.1038/s41586-018-0102-6
Abstract: Deep neural networks have achieved impressive successes in fields ranging from object recognition to complex games such as Go1,2. Navigation, however, remains a substantial challenge for artificial agents, with deep neural networks trained by reinforcement… read more here.
Keywords: grid like; navigation; vector based; like representations ... See more keywords
How Much Surface Registration Accuracy is Required Using Ct-based Navigation System in Adolescent Idiopathic Scoliosis Surgery?
Sign Up to like & getrecommendations! Published in 2019 at "Clinical Spine Surgery"
DOI: 10.1097/bsd.0000000000000759
Abstract: Study Design: Retrospective, single-center, single-surgeon study. Objective: This study investigated screw perforation rate according to surface registration accuracy in pedicle screw fixation using a CT-based navigation system for adolescent idiopathic scoliosis (AIS). Summary of Background… read more here.
Keywords: registration accuracy; based navigation; surface registration;
A Centralized Ship Localization Strategy for Passive Multistatic Radar Based on Navigation Satellites
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3204169
Abstract: This letter focuses on ship target localization using a multistatic passive radar system based on navigation satellites opportunistic illuminators. In such systems, the typical approach to localize the target is taking peripheral decisions at each… read more here.
Keywords: localization; navigation satellites; radar; ship localization ... See more keywords
Vision-Based Navigation of Omnidirectional Mobile Robots
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2019.2913077
Abstract: This letter considers the problem of collision-free navigation of omnidirectional mobile robots in environments with obstacles. Information from a monocular camera, encoders, and an inertial measurement unit is used to achieve the task. Three different… read more here.
Keywords: navigation omnidirectional; vision based; mobile robots; omnidirectional mobile ... See more keywords
Single Landmark Distance-Based Navigation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Control Systems Technology"
DOI: 10.1109/tcst.2019.2916089
Abstract: In this brief, we study the distance-based navigation problem of unmanned aerial vehicles (UAVs) by using a single landmark placed at an arbitrarily unknown position. To solve the problem, we propose an integrated estimation-control scheme… read more here.
Keywords: distance; single landmark; distance based; navigation ... See more keywords
High-Performance Vision-Based Navigation on SoC FPGA for Spacecraft Proximity Operations
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Circuits and Systems for Video Technology"
DOI: 10.1109/tcsvt.2019.2900802
Abstract: Future autonomous spacecraft rendezvous with uncooperative or unprepared objects will be enabled by vision-based navigation, which imposes great computational challenges. Targeting short duration missions in low Earth orbit, this paper develops high-performance avionics supporting custom… read more here.
Keywords: vision; performance; based navigation; spacecraft ... See more keywords
Pulsar-based navigation results: data processing of the x-ray pulsar navigation-I telescope
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Astronomical Telescopes, Instruments, and Systems"
DOI: 10.1117/1.jatis.5.1.018003
Abstract: Abstract. Pulsar-based navigation for spacecraft is a revolutionary technology that has been researched for several decades. To validate it, China launched a small experimental satellite, the x-ray pulsar navigation-I (XPNAV-1), whose main payload was the… read more here.
Keywords: pulsar based; ray pulsar; navigation; pulsar ... See more keywords
Surface Navigation and the Influence of Navigation on MIS Surgery
Sign Up to like & getrecommendations! Published in 2022 at "Global Spine Journal"
DOI: 10.1177/21925682211028587
Abstract: Study Design: Literature review. Objectives: To review the evidence for surface-based navigation in minimally-invasive spine surgery (MIS), provide an outline for its workflow, and present a wide range of MIS case examples in which surface-based… read more here.
Keywords: surface based; surgery; surface; mis ... See more keywords
A Novel Mobile Device-Based Navigation System for Placement of Posterior Spinal Fixation
Sign Up to like & getrecommendations! Published in 2022 at "Operative Neurosurgery"
DOI: 10.1227/ons.0000000000000116
Abstract: BACKGROUND: Spinal navigation technology has revolutionized the field of spine surgery. However, adoption has not been universal. Reasons include cost, interruption in surgical workflow, increased OR time, and potential implant incompatibility, among others. A technology… read more here.
Keywords: system; navigation; mobile device; device ... See more keywords
Olfactory navigation in aquatic gastropods
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Experimental Biology"
DOI: 10.1242/jeb.185843
Abstract: ABSTRACT Gastropod diversity is substantial in marine and freshwater habitats, and many aquatic slugs and snails use olfactory cues to guide their navigation behaviour. Examples include finding prey or avoiding predators based on kairomones, or… read more here.
Keywords: odour; aquatic gastropods; navigation; based navigation ... See more keywords
Differential Brain Activity in Regions Linked to Visuospatial Processing During Landmark-Based Navigation in Young and Healthy Older Adults
Sign Up to like & getrecommendations! Published in 2020 at "Frontiers in Human Neuroscience"
DOI: 10.3389/fnhum.2020.552111
Abstract: Older adults have difficulties in navigating unfamiliar environments and updating their wayfinding behavior when faced with blocked routes. This decline in navigational capabilities has traditionally been ascribed to memory impairments and dysexecutive function, whereas the… read more here.
Keywords: landmark; landmark based; based navigation; older adults ... See more keywords